Midland County, Texas
Seal
Location in the state of Texas
Texas's location in the U.S.
Founded	1885
Seat	Midland
Largest city	Midland
Area
• Total	902 sq mi (2,336 km2)
• Land	900 sq mi (2,331 km2)
• Water	1.8 sq mi (5 km2), 0.2%
Population
• (2010)	136,872
Time zone	Central: UTC-6/-5
Website	www.co.midland.tx.us
Footnotes: For infobox source see

County Well Data

Well ID	Operator Name	Well Type	Lease
42-329-00001	MURCHISON OIL AND GAS, LLC	Gas	019493
42-329-00002	Amarillo Oil Co.	Oil
42-329-00003	DE3 OPERATING LLC	Oil	26157
42-329-00004	Pioneer Production Corp.	Oil	24228
42-329-00007	Amarillo Oil Co.	Oil	18519
42-329-00008	Pioneer Production Corp.	Oil	25769
42-329-00009	Pioneer Production Corp.	Gas
42-329-00010	Pioneer Production Corp.	Oil	25732
42-329-00011	Pioneer Production Corp.	Oil	25771
42-329-00012	MURCHISON OIL & GAS INC	Gas
42-329-00013	Amarillo Oil Co.	Gas
42-329-00014	MURCHISON OIL & GAS INC	Oil	25879
42-329-00015	ENDEAVOR ENERGY RESOURCES L.P.	Oil	30680
42-329-00016	Graham Royalty, Ltd.	Oil	09307
42-329-00017	ENDEAVOR ENERGY RESOURCES L.P.	Oil	15943
42-329-00019	ENDEAVOR ENERGY RESOURCES L.P.	Oil	20830
42-329-00020	ENDEAVOR ENERGY RESOURCES L.P.	Oil	20830
42-329-00021	ENDEAVOR ENERGY RESOURCES L.P.	Oil
42-329-00022	ENDEAVOR ENERGY RESOURCES L.P.	Oil	20830
42-329-00023	ENDEAVOR ENERGY RESOURCES L.P.	Oil	20830
42-329-00024	ENDEAVOR ENERGY RESOURCES L.P.	Oil	20830
42-329-00025	ENDEAVOR ENERGY RESOURCES L.P.	Oil	20830
42-329-00026	ENDEAVOR ENERGY RESOURCES L.P.	Oil	20830
42-329-00027	MURCHISON OIL AND GAS, LLC	Gas	019496
42-329-00028	PARKER & PARSLEY, INC.
42-329-00029	Pioneer Production Corp.	Oil	25767
42-329-00031	PIONEER NATURAL RES. USA, INC.	Oil	21240
42-329-00032	Pioneer Production Corp.	Oil	25770
42-329-00033	Graham Royalty, Ltd.	Oil	30680
42-329-00034	ENDEAVOR ENERGY RESOURCES L.P.	Oil	34322
42-329-00035	PIONEER NATURAL RES. USA, INC.	Oil	21240
42-329-00036	ENDEAVOR ENERGY RESOURCES L.P.	Oil	20830
42-329-00037	ENDEAVOR ENERGY RESOURCES L.P.	Oil	20830
42-329-00038	ENDEAVOR ENERGY RESOURCES L.P.	Oil	20830
42-329-00039	ENDEAVOR ENERGY RESOURCES L.P.	Oil	20830
42-329-00040	Pioneer Production Corp.	Oil	16654
42-329-00041	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36912
42-329-00042	DE3 OPERATING LLC	Oil	38126
42-329-00043	PIONEER NATURAL RES. USA, INC.	Oil	21240
42-329-00044	PIONEER NATURAL RES. USA, INC.	Oil	21240
42-329-00045	PIONEER NATURAL RES. USA, INC.	Oil	21240
42-329-00046	PIONEER NATURAL RES. USA, INC.	Oil	21240
42-329-00048	PIONEER NATURAL RES. USA, INC.	Oil	06267
42-329-00049	PIONEER NATURAL RES. USA, INC.	Oil	06267
42-329-00050	PIONEER NATURAL RES. USA, INC.	Oil	06268
42-329-00051	PIONEER NATURAL RES. USA, INC.	Oil	06268
42-329-00052	PIONEER NATURAL RES. USA, INC.	Oil
42-329-00053	PIONEER NATURAL RES. USA, INC.	Oil
42-329-00054	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-00055	PIONEER NATURAL RES. USA, INC.	Oil
42-329-00056	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-00057	COG OPERATING LLC	Oil
42-329-00058	COG OPERATING LLC	Oil
42-329-00059	COG OPERATING LLC	Oil	24201
42-329-00061	PIONEER NATURAL RES. USA, INC.	Oil	06267
42-329-00062	PIONEER NATURAL RES. USA, INC.	Oil
42-329-00063	PIONEER NATURAL RES. USA, INC.	Oil	06267
42-329-00064	ENDEAVOR ENERGY RESOURCES L.P.	Oil	20830
42-329-00067	PIONEER NATURAL RES. USA, INC.	Oil	15400
42-329-00068	STEPHENS, AUTRY C.	Oil	07289
42-329-00069	PIONEER NATURAL RES. USA, INC.	Oil	15400
42-329-00070	PIONEER NATURAL RES. USA, INC.	Oil
42-329-00071	PIONEER NATURAL RES. USA, INC.	Oil
42-329-00072	STEPHENS, AUTRY C.	Oil	07406
42-329-00073	PIONEER NATURAL RES. USA, INC.	Oil
42-329-00074	ASHLAND EXPLORATION, INC.	Oil	24493
42-329-00075	PIONEER NATURAL RES. USA, INC.	Oil	15400
42-329-00076	PIONEER NATURAL RES. USA, INC.	Oil	24495
42-329-00077	ENDEAVOR ENERGY RESOURCES L.P.	Oil	06284
42-329-00078	STEPHENS, AUTRY C.	Oil	07406
42-329-00079	PIONEER NATURAL RES. USA, INC.	Oil	06278
42-329-00080	PIONEER NATURAL RES. USA, INC.	Oil	06278
42-329-00081	PIONEER NATURAL RES. USA, INC.	Oil
42-329-00082	PIONEER NATURAL RES. USA, INC.	Oil	06278
42-329-00083	PIONEER NATURAL RES. USA, INC.	Oil	06278
42-329-00084	ASHLAND EXPLORATION, INC.	Oil	25017
42-329-00085	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-00086	PIONEER NATURAL RES. USA, INC.	Oil
42-329-00088	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-00089	PIONEER NATURAL RES. USA, INC.	Oil
42-329-00090	PIONEER NATURAL RES. USA, INC.	Oil
42-329-00092	ENDEAVOR ENERGY RESOURCES L.P.	Oil	20830
42-329-00093	Bta Oil Producers	Oil	33734
42-329-00094	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-00095	Apache Corporation	Oil	06306
42-329-00096	Apache Corporation	Oil
42-329-00097	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-00098	Apache Corporation	Oil
42-329-00099	Apache Corporation	Oil	06310
42-329-00100	Bta Oil Producers	Oil	33734
42-329-00101	ARCO OIL & GAS CO.	Oil	26781
42-329-00102	Apache Corporation	Oil	06310
42-329-00103	PIONEER NATURAL RES. USA, INC.	Oil
42-329-00105	Apache Corporation	Oil	06306
42-329-00106	ATLANTIC RICHFIELD CO.	Oil
42-329-00107	Apache Corporation	Oil	06306
42-329-00108	Bta Oil Producers	Oil
42-329-00109	Apache Corporation	Oil	06306
42-329-00110	Apache Corporation	Oil	06310
42-329-00111	ATLANTIC RICHFIELD CO.	Oil
42-329-00112	Apache Corporation	Oil
42-329-00113	Apache Corporation	Oil
42-329-00114	Apache Corporation	Oil	06294
42-329-00115	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-00116	Apache Corporation	Oil
42-329-00118	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-00119	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-00120	Apache Corporation	Oil	06294
42-329-00121	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-00122	Bta Oil Producers	Oil	22216
42-329-00123	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37481
42-329-00124	PIONEER NATURAL RES. USA, INC.	Oil
42-329-00125	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-00127	PIONEER NATURAL RES. USA, INC.	Oil
42-329-00128	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-00129	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-00130	PIONEER NATURAL RES. USA, INC.	Oil
42-329-00131	PIONEER NATURAL RES. USA, INC.	Oil	09713
42-329-00133	PIONEER NATURAL RES. USA, INC.	Oil
42-329-00134	PIONEER NATURAL RES. USA, INC.	Oil
42-329-00135	PIONEER NATURAL RES. USA, INC.	Oil
42-329-00136	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-00137	PIONEER NATURAL RES. USA, INC.	Oil
42-329-00140	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-00142	Cox, John L.	Gas
42-329-00143	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-00144	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-00145	PIONEER NATURAL RES. USA, INC.	Oil
42-329-00146	BP EXPLORATION INC.	Oil
42-329-00147	PIONEER NATURAL RES. USA, INC.	Oil
42-329-00148	PARKER & PARSLEY DEVELOPMENT L.P	Oil
42-329-00149	PIONEER NATURAL RES. USA, INC.	Oil	15400
42-329-00150	PIONEER NATURAL RES. USA, INC.	Oil	24494
42-329-00151	PIONEER NATURAL RES. USA, INC.	Oil
42-329-00152	PIONEER NATURAL RES. USA, INC.	Oil	15400
42-329-00153	PIONEER NATURAL RES. USA, INC.	Oil
42-329-00154	CHEVRON U. S. A. INC.	Gas	206340
42-329-00155	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-00156	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-00159	ENDEAVOR ENERGY RESOURCES L.P.	Oil	20830
42-329-00167	ENDEAVOR ENERGY RESOURCES L.P.	Oil	20830
42-329-00170	ENDEAVOR ENERGY RESOURCES L.P.	Oil	20830
42-329-00171	ENDEAVOR ENERGY RESOURCES L.P.	Oil	20830
42-329-00172	ENDEAVOR ENERGY RESOURCES L.P.	Oil	20830
42-329-00173	ENDEAVOR ENERGY RESOURCES L.P.	Oil	20830
42-329-00175	PARKER & PARSLEY DEVELOPMENT L.P	Oil	07265
42-329-00177	ENDEAVOR ENERGY RESOURCES L.P.	Oil	20830
42-329-00178	DE3 OPERATING LLC	Oil	22831
42-329-00179	BAXTER, MURPHY H.	Oil
42-329-00180	BAXTER, MURPHY H.	Oil	24437
42-329-00181	BAXTER, MURPHY H.	Oil
42-329-00182	BAXTER, MURPHY H.	Oil	24436
42-329-00183	BAXTER, MURPHY H.	Oil	24441
42-329-00184	BAXTER, MURPHY H.	Oil	24439
42-329-00185	ENDEAVOR ENERGY RESOURCES L.P.	Oil	24438
42-329-00186	ENDEAVOR ENERGY RESOURCES L.P.	Oil	45053
42-329-00187	DE3 OPERATING LLC	Oil	27558
42-329-00188	PIONEER NATURAL RES. USA, INC.	Oil
42-329-00189	CHEVRON U. S. A. INC.	Gas	020002
42-329-00190	OXY USA WTP LP	Oil	15860
42-329-00191	OXY USA WTP LP	Oil	15848
42-329-00192	OXY USA WTP LP	Gas	282041
42-329-00193	OXY USA WTP LP	Oil	15873
42-329-00194	OXY USA INC.	Oil	15857
42-329-00195	OXY USA WTP LP	Oil	15858
42-329-00196	OXY USA WTP LP	Gas	282167
42-329-00197	OXY USA WTP LP	Oil	15848
42-329-00199
42-329-00200	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-00202
42-329-00204	CHEVRON U. S. A. INC.	Gas	223474
42-329-00205	CHEVRON U. S. A. INC.	Oil
42-329-00206	Gulf Oil Corp.	Oil
42-329-00207
42-329-00209	LOVELADY, IKE INC.	Oil	26226
42-329-00210	LOVELADY, IKE INC.	Oil	25208
42-329-00213	Bta Oil Producers	Oil
42-329-00214	TRINITY ENVIRO SWD I, L.L.C.	Oil	02683
42-329-00215	TRINITY ENVIRO SWD I, L.L.C.	Oil	02683
42-329-00216	TRINITY ENVIRO SWD I, L.L.C.	Oil	02683
42-329-00217	TRINITY ENVIRO SWD I, L.L.C.	Oil	02683
42-329-00218	ENDEAVOR ENERGY RESOURCES L.P.	Oil	20830
42-329-00219	BAXTER, MURPHY H.	Oil	23821
42-329-00220	ENDEAVOR ENERGY RESOURCES L.P.	Oil	25831
42-329-00221	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37065
42-329-00222	DE3 OPERATING LLC	Oil	22347
42-329-00223	ENDEAVOR ENERGY RESOURCES L.P.	Oil	23821
42-329-00226	BAXTER, MURPHY H.	Oil	28423
42-329-00227	BAXTER, MURPHY H.	Oil	24468
42-329-00228	ENDEAVOR ENERGY RESOURCES L.P.	Oil	24467
42-329-00229	BAXTER, MURPHY H.	Gas	119161
42-329-00231	BAXTER, MURPHY H.	Oil	24355
42-329-00232	DE3 OPERATING LLC	Oil	24355
42-329-00233	PARKER & PARSLEY, INC.	Oil	28923
42-329-00234	DE3 OPERATING LLC	Oil	43133
42-329-00235	ENDEAVOR ENERGY RESOURCES L.P.	Oil	43721
42-329-00236	ENDEAVOR ENERGY RESOURCES L.P.	Oil	24459
42-329-00237	BAXTER, MURPHY H.	Oil	24459
42-329-00238	ENDEAVOR ENERGY RESOURCES L.P.	Oil	39784
42-329-00239	ENDEAVOR ENERGY RESOURCES L.P.	Oil	39784
42-329-00240	DE3 OPERATING LLC	Oil	24459
42-329-00241	BAXTER, MURPHY H.	Oil	24601
42-329-00242	DE3 OPERATING LLC	Oil	30335
42-329-00243	BAXTER, MURPHY H.	Oil	24442
42-329-00244	DE3 OPERATING LLC	Oil	24442
42-329-00245	OXY USA WTP LP	Oil
42-329-00250	OXY USA WTP LP	Gas	030494
42-329-00252	NATURAL ENERGIES INC.	Oil
42-329-00257	PIONEER NATURAL RES. USA, INC.	Oil
42-329-00261
42-329-00265	MOMENTUM OPERATING CO., INC.	Oil	25017
42-329-00266	OXY USA WTP LP	Gas	030488
42-329-00273	PIONEER NATURAL RES. USA, INC.	Oil
42-329-00276	PIONEER NATURAL RES. USA, INC.	Oil
42-329-00283	PIONEER NATURAL RES. USA, INC.	Oil
42-329-00284	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-00285	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-00286	PIONEER NATURAL RES. USA, INC.	Oil
42-329-00288	PIONEER NATURAL RES. USA, INC.	Oil
42-329-00295	OXY USA INC.	Oil	34647
42-329-00296	OXY USA INC.	Oil
42-329-00297	OXY USA WTP LP	Oil	09760
42-329-00299	OXY USA INC.	Gas	281857
42-329-00300	OXY USA INC.	Gas
42-329-00301	OXY USA INC.	Oil	15850
42-329-00302	OXY USA WTP LP	Gas	030509
42-329-00303	OXY USA WTP LP	Gas	030508
42-329-00304	OXY USA INC.	Gas	030495
42-329-00305	OXY USA WTP LP	Gas	030516
42-329-00306	OXY USA WTP LP	Oil	15862
42-329-00307	OXY USA WTP LP	Gas	030482
42-329-00308	OXY USA WTP LP	Oil	34635
42-329-00309	OXY USA WTP LP	Oil	15862
42-329-00310	OXY USA WTP LP	Gas	030480
42-329-00311	OXY USA WTP LP	Oil	15857
42-329-00312	OXY USA WTP LP	Gas	030499
42-329-00313	OXY USA WTP LP	Gas	030498
42-329-00314	OXY USA WTP LP	Oil	07139
42-329-00316
42-329-00317	Gruss, Joseph S.	Oil
42-329-00318	MALLARD EXPLORATION, INC.	Oil
42-329-00319	Gruss, Joseph S.	Oil
42-329-00320	Gruss, Joseph S.	Oil
42-329-00323	PIONEER NATURAL RES. USA, INC.	Oil	24511
42-329-00325	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-00326	STEPHENS, AUTRY C.	Oil	07443
42-329-00328	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-00329	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-00330	PIONEER NATURAL RES. USA, INC.	Oil
42-329-00331
42-329-00332	Union Oil Company Of California	Oil
42-329-00333	PARKER & PARSLEY DEVELOPMENT L.P	Oil	06451
42-329-00334	MWJ PRODUCING COMPANY	Oil
42-329-00338	PIONEER NATURAL RES. USA, INC.	Oil
42-329-00339	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-00340	PIONEER NATURAL RES. USA, INC.	Oil
42-329-00342	ENDEAVOR ENERGY RESOURCES L.P.	Oil	06337
42-329-00343	Texaco Inc.	Oil
42-329-00344	ENDEAVOR ENERGY RESOURCES L.P.	Oil	06337
42-329-00345	ENDEAVOR ENERGY RESOURCES L.P.	Oil	20830
42-329-00346	PIONEER NATURAL RES. USA, INC.	Oil
42-329-00348	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-00349	PIONEER NATURAL RES. USA, INC.	Oil
42-329-00350	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-00352	ENDEAVOR ENERGY RESOURCES L.P.	Oil	06336
42-329-00355	ENDEAVOR ENERGY RESOURCES L.P.	Oil	20830
42-329-00356	ENDEAVOR ENERGY RESOURCES L.P.	Oil	20830
42-329-00357	ENDEAVOR ENERGY RESOURCES L.P.	Oil
42-329-00358	Texas Crude Oil Co.	Oil	06346
42-329-00366	ENDEAVOR ENERGY RESOURCES L.P.	Oil	06280
42-329-00367
42-329-00368
42-329-00369	El Paso Natural Gas Company	Oil	23060
42-329-00370	REEVES COUNTY SYSTEMS, INC.	Oil
42-329-00379	PIONEER NATURAL RES. USA, INC.	Oil
42-329-00381	ENDEAVOR ENERGY RESOURCES L.P.	Oil	06280
42-329-00382	OXY USA WTP LP	Gas	030504
42-329-00383	OXY USA WTP LP	Gas	030503
42-329-00384	OXY USA WTP LP	Oil	15850
42-329-00385	OXY USA WTP LP	Oil	15857
42-329-00386	OXY USA INC.	Oil	31940
42-329-00387	OXY USA WTP LP	Oil	34635
42-329-00388	OXY USA WTP LP	Oil	34635
42-329-00389	OXY USA WTP LP	Oil	15848
42-329-00390	OXY USA WTP LP	Oil	15859
42-329-00391	OXY USA WTP LP	Oil	15859
42-329-00392	OXY USA WTP LP	Oil	15848
42-329-00393	OXY USA WTP LP	Oil	15857
42-329-00394	OXY USA WTP LP	Oil	15873
42-329-00395	OXY USA INC.	Oil	34635
42-329-00396	OXY USA WTP LP	Gas	030510
42-329-00397	OXY USA INC.	Oil	15848
42-329-00398	OXY USA WTP LP	Oil	15859
42-329-00399	OXY USA WTP LP	Oil	15860
42-329-00401	OXY USA WTP LP	Oil	14890
42-329-00402	OXY USA INC.	Oil	15848
42-329-00403	OXY USA WTP LP	Oil	34646
42-329-00404	OXY USA WTP LP	Oil	15857
42-329-00405	OXY USA WTP LP	Oil	15857
42-329-00406	OXY USA WTP LP	Oil	34635
42-329-00407	OXY USA WTP LP	Oil	15860
42-329-00408	OXY USA WTP LP	Oil	34642
42-329-00409	OXY USA INC.	Oil	34635
42-329-00410	OXY USA WTP LP	Oil	34635
42-329-00411	OXY USA INC.	Oil	15848
42-329-00412	OXY USA WTP LP	Oil	15850
42-329-00413	OXY USA WTP LP	Oil	15873
42-329-00414	OXY USA WTP LP	Oil	15857
42-329-00415	OXY USA WTP LP	Oil	15857
42-329-00416	OXY USA INC.	Oil	29629
42-329-00417	OXY USA INC.	Oil	34642
42-329-00418	OXY USA INC.	Oil	15850
42-329-00419	OXY USA WTP LP	Gas	030481
42-329-00420	OXY USA WTP LP	Oil	15858
42-329-00421	OXY USA WTP LP	Gas	283365
42-329-00422	OXY USA WTP LP	Oil	34646
42-329-00423	OXY USA WTP LP	Oil	15857
42-329-00424	OXY USA WTP LP	Oil	15860
42-329-00425	OXY USA WTP LP	Gas	282032
42-329-00426	OXY USA WTP LP	Oil	15857
42-329-00427	OXY USA INC.	Oil	15857
42-329-00428	OXY USA WTP LP	Oil	15859
42-329-00429	OXY USA WTP LP	Oil	15848
42-329-00430	OXY USA WTP LP	Oil	15857
42-329-00431	OXY USA WTP LP	Oil	15857
42-329-00432	OXY USA WTP LP	Oil	15860
42-329-00433	OXY USA WTP LP	Oil	15848
42-329-00434	OXY USA WTP LP	Oil	31940
42-329-00435	OXY USA WTP LP	Oil	15857
42-329-00436	OXY USA INC.	Oil	34635
42-329-00437	OXY USA INC.	Oil	15850
42-329-00438	OXY USA WTP LP	Oil	15857
42-329-00439	OXY USA WTP LP	Oil	15848
42-329-00440	ENDEAVOR ENERGY RESOURCES L.P.	Oil	06367
42-329-00441	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-00443	PIONEER NATURAL RES. USA, INC.	Oil
42-329-00444	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-00445	PIONEER NATURAL RES. USA, INC.	Oil
42-329-00446	PIONEER NATURAL RES. USA, INC.	Oil	06610
42-329-00447	ENDEAVOR ENERGY RESOURCES L.P.	Oil	06613
42-329-00448	PIONEER NATURAL RES. USA, INC.	Oil	06610
42-329-00450	PIONEER NATURAL RES. USA, INC.	Oil	06610
42-329-00451	PIONEER NATURAL RES. USA, INC.	Oil	06610
42-329-00452	PIONEER NATURAL RES. USA, INC.	Oil	06610
42-329-00453	ENDEAVOR ENERGY RESOURCES L.P.	Oil	06613
42-329-00454	PIONEER NATURAL RES. USA, INC.	Oil
42-329-00455	ENDEAVOR ENERGY RESOURCES L.P.	Oil
42-329-00456	PIONEER NATURAL RES. USA, INC.	Oil	06610
42-329-00457	ENDEAVOR ENERGY RESOURCES L.P.	Oil
42-329-00459	ENDEAVOR ENERGY RESOURCES L.P.	Oil	20830
42-329-00460	ENDEAVOR ENERGY RESOURCES L.P.	Oil	20830
42-329-00461	ENDEAVOR ENERGY RESOURCES L.P.	Oil
42-329-00462	ENDEAVOR ENERGY RESOURCES L.P.	Oil	34379
42-329-00464	ENDEAVOR ENERGY RESOURCES L.P.	Oil	20830
42-329-00465	ENDEAVOR ENERGY RESOURCES L.P.	Oil	20830
42-329-00466	PARKER & PARSLEY, LTD.	Oil	06613
42-329-00467	PIONEER NATURAL RES. USA, INC.	Oil
42-329-00468	ENDEAVOR ENERGY RESOURCES L.P.	Oil	06613
42-329-00469	PIONEER NATURAL RES. USA, INC.	Oil	06610
42-329-00471	ENDEAVOR ENERGY RESOURCES L.P.	Oil	20830
42-329-00472	ENDEAVOR ENERGY RESOURCES L.P.	Oil	20830
42-329-00473	ENDEAVOR ENERGY RESOURCES L.P.	Oil	20830
42-329-00476	ENDEAVOR ENERGY RESOURCES L.P.	Oil
42-329-00477	ENDEAVOR ENERGY RESOURCES L.P.	Oil	20830
42-329-00478	ENDEAVOR ENERGY RESOURCES L.P.	Oil
42-329-00479	ENDEAVOR ENERGY RESOURCES L.P.	Oil	06613
42-329-00480	PLAINS PETROLEUM OPERATING CO.	Oil	06371
42-329-00483	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-00484	THOMAS EXPLORATION & DEVEL., INC	Oil	08563
42-329-00485	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-00487	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-00489
42-329-00490	ELMS, BILL G.	Oil	25017
42-329-00491	THOMAS EXPLORATION & DEVEL., INC	Oil	08563
42-329-00492	THOMAS EXPLORATION & DEVEL., INC	Oil	08563
42-329-00493	EXXON CORP.	Oil	08790
42-329-00495	PIONEER NATURAL RES. USA, INC.	Oil
42-329-00496	PITTS ENERGY CO.	Oil	06369
42-329-00497	ENDEAVOR ENERGY RESOURCES L.P.	Oil	06367
42-329-00498	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-00499	PITTS ENERGY CO.	Oil	06369
42-329-00501	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-00502	GEN. AMER. OIL CO. OF TEXAS	Oil
42-329-00504	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-00505	OXY USA WTP LP	Oil	15848
42-329-00506	OXY USA WTP LP	Oil	15857
42-329-00507	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-00510	ELMS, BILL G.	Oil	25017
42-329-00511	PIONEER NATURAL RES. USA, INC.	Oil
42-329-00512	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-00513	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-00514	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-00515	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-00516	MOBIL OIL CORPORATION	Oil
42-329-00517	MOBIL OIL CORPORATION	Oil	22894
42-329-00518	MOBIL OIL CORPORATION	Oil
42-329-00520	MOBIL OIL CORPORATION	Oil
42-329-00521	BROCKETT, C. H.	Gas
42-329-00522
42-329-00527	OXY USA WTP LP	Gas	030501
42-329-00530	ENDEAVOR ENERGY RESOURCES L.P.	Oil	06477
42-329-00531	ENDEAVOR ENERGY RESOURCES L.P.	Oil
42-329-00532	ENDEAVOR ENERGY RESOURCES L.P.	Oil
42-329-00533	ENDEAVOR ENERGY RESOURCES L.P.	Oil
42-329-00534	ENDEAVOR ENERGY RESOURCES L.P.	Oil	06477
42-329-00535	ENDEAVOR ENERGY RESOURCES L.P.	Oil	06473
42-329-00537	ENDEAVOR ENERGY RESOURCES L.P.	Oil	06473
42-329-00538	ENDEAVOR ENERGY RESOURCES L.P.	Oil	06473
42-329-00539	OXY USA WTP LP	Gas	030506
42-329-00540	DE3 OPERATING LLC	Oil	13892
42-329-00541	FASKEN, DAVID	Oil
42-329-00542	FASKEN, BARBARA	Oil
42-329-00543	FASKEN, DAVID	Oil	24608
42-329-00544	Texam Oil Corporation	Oil	25017
42-329-00545	Texam Oil Corporation	Oil	25017
42-329-00546	Texam Oil Corporation	Oil	25017
42-329-00547	PIONEER NATURAL RES. USA, INC.	Oil	06361
42-329-00548	PARKER & PARSLEY DEVELOPMENT L.P	Oil	07323
42-329-00549	PIONEER NATURAL RES. USA, INC.	Oil
42-329-00550	ENDEAVOR ENERGY RESOURCES L.P.	Oil	20830
42-329-00551	ENDEAVOR ENERGY RESOURCES L.P.	Oil	20830
42-329-00552	ENDEAVOR ENERGY RESOURCES L.P.	Oil	20830
42-329-00553	ENDEAVOR ENERGY RESOURCES L.P.	Oil
42-329-00554	ENDEAVOR ENERGY RESOURCES L.P.	Oil	34379
42-329-00555	PIONEER NATURAL RES. USA, INC.	Oil	20051
42-329-00556	EXXON CORP.	Oil
42-329-00561	PIONEER NATURAL RES. USA, INC.	Oil
42-329-00562	PIONEER NATURAL RES. USA, INC.	Oil
42-329-00563	Gulf Oil Corp.	Oil	24445
42-329-00567	ENDEAVOR ENERGY RESOURCES L.P.	Oil	06693
42-329-00570	JM COX RESOURCES, L.P.	Oil
42-329-00571	JM COX RESOURCES, L.P.	Oil
42-329-00572	Gruss, Joseph S.	Oil
42-329-00573	Gruss, Joseph S.	Oil
42-329-00577	PIONEER NATURAL RES. USA, INC.	Oil	22584
42-329-00587	ENDEAVOR ENERGY RESOURCES L.P.	Oil	20830
42-329-00588	ENDEAVOR ENERGY RESOURCES L.P.	Oil	06692
42-329-00589	ENDEAVOR ENERGY RESOURCES L.P.	Oil	06692
42-329-00590	LANEXCO, INC.	Oil	32523
42-329-00591	ENDEAVOR ENERGY RESOURCES L.P.	Oil	43609
42-329-00592	ENDEAVOR ENERGY RESOURCES L.P.	Oil	06695
42-329-00593	DIAMONDBACK E&P LLC	Oil	32168
42-329-00594	Texas American Oil Corp.	Oil	39310
42-329-00596
42-329-00599	CHEVRON U. S. A. INC.	Oil	23734
42-329-00600	K.W.A., INC.	Oil	28374
42-329-00601	Gulf Oil Corp.	Oil
42-329-00602	PIONEER NATURAL RES. USA, INC.	Oil
42-329-00603	PIONEER NATURAL RES. USA, INC.	Oil
42-329-00604	PIONEER NATURAL RES. USA, INC.	Oil	06390
42-329-00605	PIONEER NATURAL RES. USA, INC.	Oil	06390
42-329-00606	PIONEER NATURAL RES. USA, INC.	Oil	06390
42-329-00607	PIONEER NATURAL RES. USA, INC.	Oil	34157
42-329-00608	Gulf Oil Corp.	Oil
42-329-00609	PIONEER NATURAL RES. USA, INC.	Oil	06390
42-329-00610	PIONEER NATURAL RES. USA, INC.	Oil
42-329-00613	PIONEER NATURAL RES. USA, INC.	Oil	34157
42-329-00614	PIONEER NATURAL RES. USA, INC.	Oil	29651
42-329-00615	PIONEER NATURAL RES. USA, INC.	Oil	29651
42-329-00616	Gulf Oil Corp.	Oil	24447
42-329-00617	CHEVRON U. S. A. INC.	Oil
42-329-00618	Gulf Oil Corp.	Oil	24445
42-329-00619	Gulf Oil Corp.	Gas
42-329-00620	Gulf Oil Corp.	Oil	06390
42-329-00621	PIONEER NATURAL RES. USA, INC.	Oil	06390
42-329-00622	PIONEER NATURAL RES. USA, INC.	Oil	06390
42-329-00623	Gulf Oil Corp.	Oil
42-329-00625	Gulf Oil Corp.	Oil	23837
42-329-00626	DE3 OPERATING LLC	Oil	27289
42-329-00627	PIONEER NATURAL RES. USA, INC.	Oil	24179
42-329-00628	Gulf Oil Corp.	Oil	24179
42-329-00629	Hunt Oil Company	Oil	06402
42-329-00630	PARKER & PARSLEY PETROLEUM CO.	Gas	043566
42-329-00631
42-329-00632	LOVELADY, I. W.	Oil
42-329-00633	PARKER & PARSLEY PETROLEUM CO.	Gas	020847
42-329-00637	MIDPAR L.P.	Oil	30564
42-329-00639	Parker & Parsley Development Co.	Gas	043551
42-329-00641	ENDEAVOR ENERGY RESOURCES L.P.	Oil	20438
42-329-00642	PIONEER NATURAL RES. USA, INC.	Oil
42-329-00643	Hunt Oil Company	Oil	06398
42-329-00644	Hunt Oil Company	Oil	06398
42-329-00645	Hunt Oil Company	Oil	06398
42-329-00646	Hunt Oil Company	Oil	06398
42-329-00648	PARKER & PARSLEY PETROLEUM CO.	Gas
42-329-00649	PARKER & PARSLEY PETROLEUM CO.	Gas
42-329-00651
42-329-00652	HANLEY PETROLEUM INC.	Oil	34750
42-329-00656	ENDEAVOR ENERGY RESOURCES L.P.	Oil	20830
42-329-00657	ENDEAVOR ENERGY RESOURCES L.P.	Oil	20830
42-329-00658	JOSALINE PRODUCTION CO.	Oil
42-329-00661	COG OPERATING LLC	Oil	04116
42-329-00663	Humble Oil & Refining Co.	Oil	21883
42-329-00665	DE3 OPERATING LLC	Oil	22167
42-329-00666	Humble Oil & Refining Co.	Oil	21883
42-329-00668	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-00671	COLA PETROLEUM, INC.
42-329-00674	PIONEER NATURAL RES. USA, INC.	Oil	06283
42-329-00676	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-00677	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-00678	PIONEER NATURAL RES. USA, INC.	Oil
42-329-00679	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-00680	ENDEAVOR ENERGY RESOURCES L.P.	Oil
42-329-00681	ENDEAVOR ENERGY RESOURCES L.P.	Oil	20830
42-329-00682
42-329-00683	PIONEER NATURAL RES. USA, INC.	Oil
42-329-00684	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-00687	PIONEER NATURAL RES. USA, INC.	Oil
42-329-00688	PIONEER NATURAL RES. USA, INC.	Oil
42-329-00690	PIONEER NATURAL RES. USA, INC.	Oil
42-329-00692	PIONEER NATURAL RES. USA, INC.	Oil
42-329-00694
42-329-00696	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-00697	PIONEER NATURAL RES. USA, INC.	Oil
42-329-00712	PIONEER NATURAL RES. USA, INC.	Oil
42-329-00718	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-00719	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-00720	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-00721	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-00722	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-00725	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-00726	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-00727	PIONEER NATURAL RES. USA, INC.	Oil	06427
42-329-00728	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-00729	EXXON CORP.	Oil	22040
42-329-00730	EXXON CORP.	Gas	019548
42-329-00731	Humble Oil & Refining Co.	Oil	21439
42-329-00732	EXXON CORP.	Oil
42-329-00733	EXXON CORP.	Oil	22040
42-329-00734	HUNT, HASSIE, TRUST	Oil
42-329-00736	HUTCHCO PROD., SALES, SERVICE	Oil	22720
42-329-00737	PIONEER NATURAL RES. USA, INC.	Oil
42-329-00738	PIONEER NATURAL RES. USA, INC.	Oil
42-329-00740	PIONEER NATURAL RES. USA, INC.	Oil	06427
42-329-00741	PIONEER NATURAL RES. USA, INC.	Oil
42-329-00742	PIONEER NATURAL RES. USA, INC.	Oil
42-329-00744	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-00746	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-00748	MWJ PRODUCING COMPANY	Oil	14251
42-329-00749	MWJ PRODUCING COMPANY	Oil	19161
42-329-00750
42-329-00751	DST EXPLORATION CORP.	Oil	29341
42-329-00752	Parker & Parsley Development Co.	Oil	12776
42-329-00753	DST EXPLORATION CORP.	Gas
42-329-00754	DST EXPLORATION CORP.	Gas
42-329-00755	WILSON SYSTEMS, INC.	Gas	020859
42-329-00756	DST EXPLORATION CORP.	Gas
42-329-00757	DST EXPLORATION CORP.	Gas
42-329-00771	CHEVRON U. S. A. INC.	Oil	22343
42-329-00772	ENDEAVOR ENERGY RESOURCES L.P.
42-329-00776	PARKER & PARSLEY PETROLEUM CO.	Oil
42-329-00778	DIAMONDBACK E&P LLC	Oil	16363
42-329-00779	DIAMONDBACK E&P LLC	Oil	16363
42-329-00780	DIAMONDBACK E&P LLC	Oil
42-329-00781	DIAMONDBACK E&P LLC	Oil	16363
42-329-00782	DIAMONDBACK E&P LLC	Oil	16363
42-329-00783	DIAMONDBACK E&P LLC	Oil	16363
42-329-00784	DELPHI CORP.	Oil
42-329-00787	ENSERCH EXPLORATION, INC	Oil
42-329-00790	ENDEAVOR ENERGY RESOURCES L.P.	Oil
42-329-00791	ENERGEN RESOURCES CORPORATION	Gas	019552
42-329-00792	LONE STAR PROD. CO.	Oil	16486
42-329-00793	KAISER-FRANCIS OIL COMPANY	Oil	06711
42-329-00795	EP Operating Company	Oil	16417
42-329-00796	DIAMONDBACK E&P LLC	Oil	16690
42-329-00797	DIAMONDBACK E&P LLC	Oil	16417
42-329-00798	DIAMONDBACK E&P LLC	Oil	16417
42-329-00799	DIAMONDBACK E&P LLC	Oil
42-329-00800	DIAMONDBACK E&P LLC	Oil	16295
42-329-00801	ENDEAVOR ENERGY RESOURCES L.P.	Oil	42966
42-329-00806	ENERGEN RESOURCES CORPORATION	Oil	16295
42-329-00807	DIAMONDBACK E&P LLC	Oil	16295
42-329-00808	EP Operating Company	Oil	16295
42-329-00809	DIAMONDBACK E&P LLC	Oil
42-329-00810	DIAMONDBACK E&P LLC	Oil	16417
42-329-00811	COG OPERATING LLC	Oil	39630
42-329-00812	COG OPERATING LLC	Oil	39630
42-329-00813	COG OPERATING LLC	Oil	34347
42-329-00814	XTO ENERGY INC.	Oil	28207
42-329-00815	COG OPERATING LLC	Oil	39630
42-329-00816	COG OPERATING LLC	Oil	39630
42-329-00817	COG OPERATING LLC	Oil	26538
42-329-00818	COG OPERATING LLC	Oil	11746
42-329-00819	COG OPERATING LLC	Oil	11643
42-329-00820	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-00821	Parker & Parsley Development Co.	Oil	23365
42-329-00822	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-00823	PIONEER NATURAL RES. USA, INC.	Oil
42-329-00824	MOBIL PRODUCING TX. & N.M. INC.	Oil	06451
42-329-00825	MOBIL PRODUCING TX. & N.M. INC.	Oil	21086
42-329-00826	PIONEER NATURAL RES. USA, INC.	Oil	06451
42-329-00828	PIONEER NATURAL RES. USA, INC.	Oil
42-329-00829	PARKER & PARSLEY DEVELOPMENT L.P	Oil	06451
42-329-00830	PIONEER NATURAL RES. USA, INC.	Oil
42-329-00831	MOBIL PRODUCING TX. & N.M. INC.	Oil	06451
42-329-00832	EP OPERATING LIMITED PARTNERSHIP	Oil	16295
42-329-00833
42-329-00836	XTO ENERGY INC.	Oil	28545
42-329-00837	MOBIL PRODUCING TX. & N.M. INC.	Gas	146414
42-329-00838	MOBIL PRODUCING TX. & N.M. INC.	Oil	26538
42-329-00839	COG OPERATING LLC	Oil	39630
42-329-00840	COG OPERATING LLC	Oil	28535
42-329-00841	COG OPERATING LLC	Oil
42-329-00842	COG OPERATING LLC	Oil	39630
42-329-00843	COG OPERATING LLC	Oil	39630
42-329-00844	COG OPERATING LLC	Oil	26538
42-329-00845	COG OPERATING LLC	Oil	39630
42-329-00846	XTO ENERGY INC.	Gas	057710
42-329-00847	HENRY PETROLEUM LP	Oil	26538
42-329-00848	COG OPERATING LLC	Oil	26538
42-329-00849	COG OPERATING LLC	Oil	28535
42-329-00850	COG OPERATING LLC	Oil	39630
42-329-00851	COG OPERATING LLC	Oil	04655
42-329-00852	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-00854	PIONEER NATURAL RES. USA, INC.	Oil	23365
42-329-00855	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-00856	PIONEER NATURAL RES. USA, INC.	Oil	23365
42-329-00857	PIONEER NATURAL RES. USA, INC.	Oil
42-329-00858	PIONEER NATURAL RES. USA, INC.	Oil	23365
42-329-00859	PIONEER NATURAL RES. USA, INC.	Oil	23365
42-329-00860	PIONEER NATURAL RES. USA, INC.	Oil
42-329-00861	PIONEER NATURAL RES. USA, INC.	Oil
42-329-00862	PIONEER NATURAL RES. USA, INC.	Oil
42-329-00863	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-00864	PIONEER NATURAL RES. USA, INC.	Oil
42-329-00865	XTO ENERGY INC.	Gas	040790
42-329-00866	MOBIL PRODUCING TX. & N.M. INC.	Oil	39576
42-329-00867	PIONEER NATURAL RES. USA, INC.	Oil
42-329-00869	PIONEER NATURAL RES. USA, INC.	Oil	06441
42-329-00870	PIONEER NATURAL RES. USA, INC.	Oil
42-329-00871	PIONEER NATURAL RES. USA, INC.	Oil
42-329-00872	PIONEER NATURAL RES. USA, INC.	Oil	21487
42-329-00873	PIONEER NATURAL RES. USA, INC.	Oil	21487
42-329-00874	PIONEER NATURAL RES. USA, INC.	Oil	21487
42-329-00875	PIONEER NATURAL RES. USA, INC.	Oil	21487
42-329-00876	PIONEER NATURAL RES. USA, INC.	Oil	21487
42-329-00877	Parker & Parsley Development Co.	Oil
42-329-00878	Parker & Parsley Development Co.	Oil
42-329-00879	Parker & Parsley Development Co.	Oil
42-329-00880	Parker & Parsley Development Co.	Oil	17778
42-329-00882	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-00883	COG OPERATING LLC	Oil
42-329-00884	COG OPERATING LLC	Oil	39665
42-329-00885
42-329-00886	TERRACE PETROLEUM CORPORATION	Oil	34939
42-329-00888	XTO ENERGY INC.	Gas	207220
42-329-00889	XTO ENERGY INC.	Gas	202591
42-329-00890	MOBIL PRODUCING TX. & N.M. INC.	Oil	04116
42-329-00891	MOBIL PRODUCING TX. & N.M. INC.	Oil	03708
42-329-00892	XTO ENERGY INC.	Gas	033927
42-329-00893	COG OPERATING LLC	Oil	04116
42-329-00894	COG OPERATING LLC	Oil	04116
42-329-00895	HENRY PETROLEUM LP	Oil	14722
42-329-00896	HENRY PETROLEUM LP	Oil	04116
42-329-00897	XTO ENERGY INC.	Gas	053995
42-329-00898	COG OPERATING LLC	Oil	05637
42-329-00899	COG OPERATING LLC	Oil
42-329-00900	COG OPERATING LLC	Oil
42-329-00901	COG OPERATING LLC	Oil
42-329-00902	COG OPERATING LLC	Oil	04116
42-329-00903	HENRY PETROLEUM LP	Oil	39578
42-329-00904	MOBIL PRODUCING TX. & N.M. INC.	Oil	32156
42-329-00905	HENRY PETROLEUM LP	Oil	39578
42-329-00906	COG OPERATING LLC	Oil	29722
42-329-00907	MOBIL PRODUCING TX. & N.M. INC.	Oil	27199
42-329-00908	COG OPERATING LLC	Oil	29817
42-329-00909	COG OPERATING LLC	Oil	26538
42-329-00910	COG OPERATING LLC	Oil	36237
42-329-00911	COG OPERATING LLC	Oil	39629
42-329-00912	HENRY PETROLEUM LP	Oil	39629
42-329-00913	MOBIL OIL CORPORATION	Oil
42-329-00914	ENDEAVOR ENERGY RESOURCES L.P.	Gas	143217
42-329-00916	COG OPERATING LLC	Oil	15408
42-329-00917	PIONEER NATURAL RES. USA, INC.	Oil
42-329-00918	PIONEER NATURAL RES. USA, INC.	Oil
42-329-00919	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-00920	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-00921	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-00922	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-00923	PIONEER NATURAL RES. USA, INC.	Oil
42-329-00925	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-00926	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-00927	PIONEER NATURAL RES. USA, INC.	Oil
42-329-00929	MOBIL PRODUCING TX. & N.M. INC.	Oil
42-329-00930	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-00931	Parker & Parsley Development Co.	Oil	21085
42-329-00932	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-00933	MOBIL PRODUCING TX. & N.M. INC.	Oil
42-329-00934	PIONEER NATURAL RES. USA, INC.	Oil
42-329-00936	PIONEER NATURAL RES. USA, INC.	Oil	06449
42-329-00937	PIONEER NATURAL RES. USA, INC.	Oil	06449
42-329-00938	PIONEER NATURAL RES. USA, INC.	Oil	06449
42-329-00939	PIONEER NATURAL RES. USA, INC.	Oil	06449
42-329-00940	PIONEER NATURAL RES. USA, INC.	Oil
42-329-00942	SAMSON HYDROCARBONS COMPANY	Oil	00615
42-329-00943	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-00944	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-00945	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-00946	MOBIL OIL CORPORATION	Oil
42-329-00947	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-00948	PIONEER NATURAL RES. USA, INC.	Oil
42-329-00949	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-00950	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-00951	ENDEAVOR ENERGY RESOURCES L.P.	Oil	32382
42-329-00952	PIONEER NATURAL RES. USA, INC.	Oil	06451
42-329-00953	MOBIL PRODUCING TX. & N.M. INC.	Oil	06451
42-329-00954	MOBIL PRODUCING TX. & N.M. INC.	Oil	06451
42-329-00955	MOBIL PRODUCING TX. & N.M. INC.	Oil	06451
42-329-00956	MOBIL PRODUCING TX. & N.M. INC.	Oil	06451
42-329-00957	FIVESTONES ENERGY LLC	Oil	39685
42-329-00958	PIONEER NATURAL RES. USA, INC.	Oil	06451
42-329-00959	MOBIL PRODUCING TX. & N.M. INC.	Oil	06451
42-329-00961	MOBIL PRODUCING TX. & N.M. INC.	Oil	06451
42-329-00962	MOBIL PRODUCING TX. & N.M. INC.	Oil	06451
42-329-00963	MOBIL PRODUCING TX. & N.M. INC.	Oil	06451
42-329-00964	MOBIL PRODUCING TX. & N.M. INC.	Oil	06451
42-329-00965	COG OPERATING LLC	Oil	26538
42-329-00966	COG OPERATING LLC	Oil	26538
42-329-00967	COG OPERATING LLC	Oil	28535
42-329-00969	COG OPERATING LLC	Oil	04655
42-329-00970	COG OPERATING LLC	Oil	26538
42-329-00971	COG OPERATING LLC	Oil
42-329-00972	MOBIL PRODUCING TX. & N.M. INC.	Oil	39576
42-329-00973	COG OPERATING LLC	Oil	04655
42-329-00974	XTO ENERGY INC.	Oil	28207
42-329-00975	COG OPERATING LLC	Oil	39665
42-329-00976	COG OPERATING LLC	Oil	39665
42-329-00977	COG OPERATING LLC	Oil	26538
42-329-00978	COG OPERATING LLC	Oil	04655
42-329-00979	PIONEER NATURAL RES. USA, INC.	Oil
42-329-00980	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-00981	PIONEER NATURAL RES. USA, INC.	Oil
42-329-00983	PIONEER NATURAL RES. USA, INC.	Oil
42-329-00984	XTO ENERGY INC.	Oil
42-329-00985	COG OPERATING LLC	Oil	04116
42-329-00986	PIONEER NATURAL RES. USA, INC.	Oil	21487
42-329-00987	PIONEER NATURAL RES. USA, INC.	Oil	21487
42-329-00988	COG OPERATING LLC	Oil	04116
42-329-00989	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-00990	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-00991	PIONEER NATURAL RES. USA, INC.	Oil
42-329-00992	MOBIL OIL CORPORATION	Oil	01175
42-329-00993	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-00994	PIONEER NATURAL RES. USA, INC.	Oil
42-329-00995	COG OPERATING LLC	Oil	05637
42-329-00996	COG OPERATING LLC	Oil	05637
42-329-00997	HENRY PETROLEUM LP	Oil	04116
42-329-00999	HENRY PETROLEUM LP	Oil	38239
42-329-01000	XTO ENERGY INC.	Oil	28207
42-329-01001	Parker & Parsley Development Co.	Oil	23609
42-329-01002	COG OPERATING LLC	Oil	30717
42-329-01004	MOBIL PRODUCING TX. & N.M. INC.	Gas	033926
42-329-01005	COG OPERATING LLC	Oil	05637
42-329-01006	COG OPERATING LLC	Oil	04116
42-329-01007	COG OPERATING LLC	Oil	04116
42-329-01008	COG OPERATING LLC	Oil	04116
42-329-01010	COG OPERATING LLC	Oil	05637
42-329-01011	COG OPERATING LLC	Oil	05637
42-329-01012	COG OPERATING LLC	Oil	05637
42-329-01013	COG OPERATING LLC	Oil	05637
42-329-01014	COG OPERATING LLC	Oil	05637
42-329-01015	COG OPERATING LLC	Oil
42-329-01016	COG OPERATING LLC	Oil	05637
42-329-01017	COG OPERATING LLC	Oil	05637
42-329-01018	COG OPERATING LLC	Oil	05637
42-329-01019	COG OPERATING LLC	Oil	05637
42-329-01020	COG OPERATING LLC	Oil	05637
42-329-01021	XTO ENERGY INC.	Oil	03708
42-329-01022	COG OPERATING LLC	Oil	04116
42-329-01023	COG OPERATING LLC	Oil	04116
42-329-01024	COG OPERATING LLC	Oil
42-329-01025	COG OPERATING LLC	Oil	04116
42-329-01026	COG OPERATING LLC	Oil	04116
42-329-01027	COG OPERATING LLC	Oil	04116
42-329-01028	MOBIL PRODUCING TX. & N.M. INC.	Oil	05637
42-329-01029	COG OPERATING LLC	Oil	01178
42-329-01030	COG OPERATING LLC	Oil	01178
42-329-01031	XTO ENERGY INC.	Gas	033657
42-329-01032	XTO ENERGY INC.	Gas	038990
42-329-01033	COG OPERATING LLC	Oil	05637
42-329-01034	XTO ENERGY INC.	Gas	033923
42-329-01035	XTO ENERGY INC.	Gas	050096
42-329-01036	XTO ENERGY INC.	Gas	019151
42-329-01037	COG OPERATING LLC	Oil	04116
42-329-01038	MOBIL PRODUCING TX. & N.M. INC.	Gas	019150
42-329-01039	XTO ENERGY INC.	Oil	01175
42-329-01040	XTO ENERGY INC.	Gas	131160
42-329-01041	XTO ENERGY INC.	Oil	01175
42-329-01042	COG OPERATING LLC	Oil	04116
42-329-01043	COG OPERATING LLC	Oil	04116
42-329-01044	MOBIL PRODUCING TX. & N.M. INC.	Oil	01175
42-329-01045	XTO ENERGY INC.	Oil	04116
42-329-01046	MOBIL PRODUCING TX. & N.M. INC.	Oil	01175
42-329-01047	XTO ENERGY INC.	Oil	01175
42-329-01048	XTO ENERGY INC.	Oil	03708
42-329-01049	XTO ENERGY INC.	Oil	01175
42-329-01050	MOBIL PRODUCING TX. & N.M. INC.	Gas	214955
42-329-01051	PIONEER NATURAL RES. USA, INC.	Oil
42-329-01052	MOBIL PRODUCING TX. & N.M. INC.	Gas	207484
42-329-01053	COG OPERATING LLC	Oil	04116
42-329-01054	MOBIL PRODUCING TX. & N.M. INC.	Gas	150683
42-329-01055	MOBIL PRODUCING TX. & N.M. INC.	Oil	01175
42-329-01056	XTO ENERGY INC.	Oil	03708
42-329-01058	COG OPERATING LLC	Oil	04116
42-329-01059	EXXON CORP.	Oil
42-329-01060	COG OPERATING LLC	Oil	04655
42-329-01061	COG OPERATING LLC	Oil	26538
42-329-01062	COG OPERATING LLC	Oil	26538
42-329-01063	COG OPERATING LLC	Oil	39630
42-329-01064	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-01065	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-01066	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-01067	PIONEER NATURAL RES. USA, INC.	Oil
42-329-01068	XTO ENERGY INC.	Gas	049236
42-329-01069	MOBIL OIL CORPORATION	Oil
42-329-01070	COG OPERATING LLC	Oil	01178
42-329-01071	XTO ENERGY INC.	Oil	01175
42-329-01073	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-01074	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-01075	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-01076	XTO ENERGY INC.	Gas	032126
42-329-01077	PIONEER NATURAL RES. USA, INC.	Oil
42-329-01078	COG OPERATING LLC	Oil	01178
42-329-01079	XTO ENERGY INC.	Oil	02464
42-329-01080	COG OPERATING LLC	Oil	01178
42-329-01081	XTO ENERGY INC.	Oil	01175
42-329-01082	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-01083	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-01084	COG OPERATING LLC	Oil	01175
42-329-01085	PIONEER NATURAL RES. USA, INC.	Oil
42-329-01086	PIONEER NATURAL RES. USA, INC.	Oil	06462
42-329-01087	PIONEER NATURAL RES. USA, INC.	Oil
42-329-01089	PIONEER NATURAL RES. USA, INC.	Oil
42-329-01090	PIONEER NATURAL RES. USA, INC.	Oil	06462
42-329-01091	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-01092	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-01093	PIONEER NATURAL RES. USA, INC.	Oil
42-329-01094	PIONEER NATURAL RES. USA, INC.	Oil	24618
42-329-01095	PIONEER NATURAL RES. USA, INC.	Oil
42-329-01096	XTO ENERGY INC.	Gas	034558
42-329-01097	PIONEER NATURAL RES. USA, INC.	Oil
42-329-01098	PIONEER NATURAL RES. USA, INC.	Oil	21487
42-329-01099	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-01100	XTO ENERGY INC.	Oil	03708
42-329-01102	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-01103	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-01104	PIONEER NATURAL RES. USA, INC.	Oil
42-329-01105	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-01106	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-01107	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-01109	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-01110	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-01112	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-01113	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-01114	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-01115	PIONEER NATURAL RES. USA, INC.	Oil
42-329-01116	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-01117	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-01118	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-01119	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-01120	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-01121	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-01122	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-01123	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-01125	COG OPERATING LLC	Oil	30122
42-329-01126	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-01128	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-01131	PIONEER NATURAL RES. USA, INC.	Oil
42-329-01132	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-01133	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-01134	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-01135	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-01136	PIONEER NATURAL RES. USA, INC.	Oil
42-329-01137	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-01138	PIONEER NATURAL RES. USA, INC.	Oil
42-329-01139	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-01140	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-01141	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-01142	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-01143	COG OPERATING LLC	Oil	39630
42-329-01144	PURE RESOURCES, L.P.	Gas	238247
42-329-01145	MOBIL OIL CORPORATION	Gas	238246
42-329-01146	MOBIL PRODUCING TX. & N.M. INC.	Oil	34650
42-329-01147	MOBIL PRODUCING TX. & N.M. INC.	Oil	34650
42-329-01148	MOBIL PRODUCING TX. & N.M. INC.	Oil	34650
42-329-01149	MOBIL OIL CORPORATION	Oil	34650
42-329-01150	TITAN RESOURCES I, INC.	Oil	34650
42-329-01151	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-01152	PIONEER NATURAL RES. USA, INC.	Oil
42-329-01153	PIONEER NATURAL RES. USA, INC.	Oil
42-329-01154	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-01155	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-01156	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-01157	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-01158	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-01159	PIONEER NATURAL RES. USA, INC.	Oil
42-329-01160	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-01161	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-01162	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-01163	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-01164	PIONEER NATURAL RES. USA, INC.	Oil
42-329-01165	PIONEER NATURAL RES. USA, INC.	Oil
42-329-01166	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-01167	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-01168	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-01169	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-01170	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-01171	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-01172	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-01173	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-01174	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-01175	PIONEER NATURAL RES. USA, INC.	Oil	21487
42-329-01176	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-01177	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-01178	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-01179	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-01180	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-01181	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-01182	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-01183	PIONEER NATURAL RES. USA, INC.	Oil	21487
42-329-01184	PIONEER NATURAL RES. USA, INC.	Oil	21487
42-329-01185	Mallard Petroleum, Inc.	Gas
42-329-01186	PIONEER NATURAL RES. USA, INC.	Oil	37016
42-329-01187	MALLARD EXPLORATION, INC.	Oil	24450
42-329-01188	REGIONS OPERATING, LLC	Oil	24449
42-329-01189	ENDEAVOR ENERGY RESOURCES L.P.	Oil	24448
42-329-01196	BROCK OIL & GAS CORPORATION	Oil	00360
42-329-01198	PIONEER NATURAL RES. USA, INC.	Oil
42-329-01200	PIONEER NATURAL RES. USA, INC.	Oil
42-329-01202	COG OPERATING LLC	Oil
42-329-01204	LANGHAM PETROLEUM EXPL. CORP.	Oil
42-329-01206	MURPHY OIL CORPORATION	Oil	25017
42-329-01208	MURPHY OIL CORPORATION	Oil	25017
42-329-01209	MURPHY OIL CORPORATION	Oil	25017
42-329-01211	MURPHY OIL CORPORATION	Oil	25017
42-329-01212	MURPHY OIL CORPORATION	Oil	25017
42-329-01213	MURPHY OIL CORPORATION	Oil	25017
42-329-01214	CARLOW CORP.	Oil	06476
42-329-01217	Legacy Reserves Operating LP	Oil	36385
42-329-01218	PIONEER NATURAL RES. USA, INC.	Oil
42-329-01221
42-329-01222	PIONEER NATURAL RES. USA, INC.	Oil
42-329-01223	PIONEER NATURAL RES. USA, INC.	Oil
42-329-01225	PIONEER NATURAL RES. USA, INC.	Oil
42-329-01227	Sun Exploration & Production Co.	Oil	25034
42-329-01228	PIONEER NATURAL RES. USA, INC.	Oil
42-329-01229	PIONEER NATURAL RES. USA, INC.	Oil
42-329-01230	ENDEAVOR ENERGY RESOURCES L.P.	Oil	25034
42-329-01232	PIONEER NATURAL RES. USA, INC.	Oil
42-329-01233	STEPHENS, AUTRY C.	Oil	25034
42-329-01234	SEABOARD PIPE & EQUIPMENT CO.	Oil
42-329-01235	SEABOARD PIPE & EQUIPMENT CO.	Oil
42-329-01237	SEABOARD PIPE & EQUIPMENT CO.	Oil
42-329-01240	OXY USA WTP LP	Gas	032925
42-329-01241	PIONEER NATURAL RES. USA, INC.	Oil
42-329-01245	COG OPERATING LLC	Oil	04116
42-329-01246	XTO ENERGY INC.	Oil	03708
42-329-01247	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-01248	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-01250	ENERGY RESOURCES OIL & GAS CORP.	Oil
42-329-01251	Texam Oil Corporation	Oil	25017
42-329-01252	MARKIM CORPORATION	Oil
42-329-01253	ODESSA NATURAL GASOLINE COMPANY	Oil
42-329-01254	ODESSA NATURAL GASOLINE COMPANY	Oil
42-329-01255	ODESSA NATURAL GASOLINE COMPANY	Oil
42-329-01256	ODESSA NATURAL GASOLINE COMPANY	Oil
42-329-01257	OKLAHOMA RB OPERATING COMPANY	Gas	038231
42-329-01258	HILLIN PROD. CO.	Oil
42-329-01259	ODESSA NATURAL GASOLINE COMPANY	Oil
42-329-01260	HILLIN PROD. CO.	Oil
42-329-01261	ODESSA NATURAL GASOLINE COMPANY	Oil
42-329-01262	DE3 OPERATING LLC	Oil	32997
42-329-01264	ODESSA NATURAL GASOLINE COMPANY	Oil
42-329-01266	Odessa Natural Corporation	Oil
42-329-01267	ODESSA NATURAL GASOLINE COMPANY	Oil
42-329-01268	ODESSA NATURAL GASOLINE COMPANY	Oil
42-329-01269	Odessa Natural Corporation	Oil
42-329-01270	ODESSA NATURAL GASOLINE COMPANY	Oil
42-329-01275	Parker & Parsley Development Co.	Oil	06342
42-329-01279	Union Oil Company Of California	Oil
42-329-01281	Union Oil Company Of California	Oil
42-329-01284	O'NEILL PROPERTIES, LTD.	Gas	019472
42-329-01285	ONEILL, JOSEPH I., JR.	Oil	24509
42-329-01288	PIONEER NATURAL RES. USA, INC.	Oil	06498
42-329-01291	PIONEER NATURAL RES. USA, INC.	Oil	21776
42-329-01292	PIONEER NATURAL RES. USA, INC.	Oil
42-329-01293	WESTERN DISPOSAL SYSTEMS, INC.	Oil	36187
42-329-01294	PIONEER NATURAL RES. USA, INC.	Oil	21776
42-329-01295	PIONEER NATURAL RES. USA, INC.	Oil
42-329-01296	ENDEAVOR ENERGY RESOURCES L.P.	Oil	06499
42-329-01297	ENDEAVOR ENERGY RESOURCES L.P.	Oil	06499
42-329-01298	ENDEAVOR ENERGY RESOURCES L.P.	Oil	20830
42-329-01299	ENDEAVOR ENERGY RESOURCES L.P.	Oil	20830
42-329-01300	ENDEAVOR ENERGY RESOURCES L.P.	Oil	20830
42-329-01301	ENDEAVOR ENERGY RESOURCES L.P.	Oil	20830
42-329-01302	ENDEAVOR ENERGY RESOURCES L.P.	Oil	20830
42-329-01303	ENDEAVOR ENERGY RESOURCES L.P.	Oil
42-329-01306	PIONEER NATURAL RES. USA, INC.	Oil	06498
42-329-01308	ENDEAVOR ENERGY RESOURCES L.P.	Oil	20830
42-329-01309	ENDEAVOR ENERGY RESOURCES L.P.	Oil	20830
42-329-01310	ENDEAVOR ENERGY RESOURCES L.P.	Oil	20830
42-329-01311	ENDEAVOR ENERGY RESOURCES L.P.	Oil	20830
42-329-01312	ENDEAVOR ENERGY RESOURCES L.P.	Oil	20830
42-329-01313	ENDEAVOR ENERGY RESOURCES L.P.	Oil
42-329-01314	ENDEAVOR ENERGY RESOURCES L.P.	Oil	20830
42-329-01315	ENDEAVOR ENERGY RESOURCES L.P.	Oil	20830
42-329-01316	ENDEAVOR ENERGY RESOURCES L.P.	Oil	34379
42-329-01317	ENDEAVOR ENERGY RESOURCES L.P.	Oil	20830
42-329-01318	ENDEAVOR ENERGY RESOURCES L.P.	Oil	20830
42-329-01319	ENDEAVOR ENERGY RESOURCES L.P.	Oil	20830
42-329-01320	ENDEAVOR ENERGY RESOURCES L.P.	Oil	20830
42-329-01321	ENDEAVOR ENERGY RESOURCES L.P.	Oil	20830
42-329-01322	DE3 OPERATING LLC	Oil	34481
42-329-01323	PITTS ENERGY CO.	Oil	16419
42-329-01325	WOOD & COCKBURN, INC.	Oil	21777
42-329-01326	DE3 OPERATING LLC	Oil	32217
42-329-01327	ENDEAVOR ENERGY RESOURCES L.P.	Oil	25835
42-329-01328	Parker & Parsley Development Co.	Oil	21777
42-329-01329	Phillips Petroleum Company	Oil	20827
42-329-01330	Phillips Petroleum Company	Oil	24260
42-329-01331	TEMPO ENERGY, INC.	Oil	31311
42-329-01332	ENDEAVOR ENERGY RESOURCES L.P.	Oil	20830
42-329-01333	ENDEAVOR ENERGY RESOURCES L.P.	Oil
42-329-01335	ENDEAVOR ENERGY RESOURCES L.P.	Oil	20830
42-329-01336	ENDEAVOR ENERGY RESOURCES L.P.	Oil	20830
42-329-01337	PIONEER NATURAL RES. USA, INC.	Oil	33713
42-329-01338	PIONEER NATURAL RES. USA, INC.	Oil
42-329-01339
42-329-01340	Parker & Parsley Development Co.	Oil	31456
42-329-01341	Phillips Petroleum Company	Gas
42-329-01342	PIONEER NATURAL RES. USA, INC.	Oil	34403
42-329-01343	Phillips Petroleum Company	Oil	24414
42-329-01344	Phillips Petroleum Company	Oil	12429
42-329-01345	CONOCOPHILLIPS COMPANY	Oil	12429
42-329-01346	BURLESON PETROLEUM, INC.	Oil	12315
42-329-01347	BURLESON PETROLEUM, INC.	Oil	12315
42-329-01351	ADOBE OIL & GAS CORP.	Oil
42-329-01352	PIONEER NATURAL RES. USA, INC.	Oil
42-329-01353	Parker & Parsley Development Co.	Oil	33713
42-329-01354	PIONEER NATURAL RES. USA, INC.	Oil
42-329-01355	PIONEER NATURAL RES. USA, INC.	Oil	06480
42-329-01356
42-329-01357	Parker & Parsley Development Co.	Oil	33713
42-329-01358	PIONEER NATURAL RES. USA, INC.	Oil
42-329-01362	ENDEAVOR ENERGY RESOURCES L.P.	Oil	20830
42-329-01363	PIONEER NATURAL RES. USA, INC.	Oil
42-329-01364	COG OPERATING LLC	Oil	41430
42-329-01367	HENDON, WILLIAM E., JR.	Oil
42-329-01368	HENDON EXPLORATION, INC.	Oil
42-329-01369	CONINE, JIM, INC.	Oil
42-329-01371	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-01372	Phillips Petroleum Company	Gas	119081
42-329-01374	XTO ENERGY INC.	Gas	033339
42-329-01375	XTO ENERGY INC.	Gas	033658
42-329-01376	Parker & Parsley Development Co.	Oil	06502
42-329-01377	PIONEER NATURAL RES. USA, INC.	Oil	06503
42-329-01380	COG OPERATING LLC	Gas	037219
42-329-01381	Henry Petroleum Corp.	Oil	01178
42-329-01382	COG OPERATING LLC	Oil	04116
42-329-01384	PIONEER NATURAL RES. USA, INC.	Oil	06503
42-329-01388	XTO ENERGY INC.	Oil
42-329-01390	PIONEER NATURAL RES. USA, INC.	Oil
42-329-01392	Parker & Parsley Development Co.	Oil	06502
42-329-01393	PIONEER NATURAL RES. USA, INC.	Oil	06503
42-329-01394	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-01396	WOOD & COCKBURN, INC.	Oil	21807
42-329-01397	PIONEER NATURAL RES. USA, INC.	Oil	06503
42-329-01398	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-01400	PIONEER NATURAL RES. USA, INC.	Oil	06503
42-329-01401	PIONEER NATURAL RES. USA, INC.	Oil	06503
42-329-01402	COG OPERATING LLC	Oil	04116
42-329-01404	ENDEAVOR ENERGY RESOURCES L.P.	Oil	06499
42-329-01405	ENDEAVOR ENERGY RESOURCES L.P.	Oil
42-329-01406	Phillips Petroleum Company	Oil	31886
42-329-01407	DE3 OPERATING LLC	Oil	24428
42-329-01408	Phillips Petroleum Company	Oil	25098
42-329-01409	OXY USA INC.	Gas	034094
42-329-01410	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-01411	CONINE, JIM, INC.	Oil
42-329-01412	HALLIBURTON ENERGY SERVICES, INC	Oil	02424
42-329-01413	Parker & Parsley Development Co.	Oil	15700
42-329-01415
42-329-01416	CHEVRON U. S. A. INC.	Gas	020018
42-329-01417	MOBIL PRODUCING TX. & N.M. INC.	Gas
42-329-01419	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-01421	PIONEER NATURAL RES. USA, INC.	Oil
42-329-01422	MOBIL PRODUCING TX. & N.M. INC.	Oil
42-329-01423	PIONEER NATURAL RES. USA, INC.	Oil
42-329-01428	OKLAHOMA RB OPERATING COMPANY	Gas	038232
42-329-01429	OKLAHOMA RB OPERATING COMPANY	Gas	038233
42-329-01435	ENDEAVOR ENERGY RESOURCES L.P.	Oil	20830
42-329-01436	PIONEER NATURAL RES. USA, INC.	Oil
42-329-01437
42-329-01438	ENDEAVOR ENERGY RESOURCES L.P.	Oil
42-329-01439	Bta Oil Producers	Oil	20830
42-329-01440	PARKER & PARSLEY PETROLEUM CO.	Gas	043391
42-329-01442	PARKER & PARSLEY PETROLEUM CO.	Gas	039030
42-329-01443	PARKER & PARSLEY PETROLEUM CO.	Gas	043550
42-329-01444	MIDKIFF, JOHN	Oil	29157
42-329-01445	PARKER & PARSLEY PETROLEUM CO.	Gas	049182
42-329-01449	ENDEAVOR ENERGY RESOURCES L.P.	Oil	11878
42-329-01450	ENDEAVOR ENERGY RESOURCES L.P.	Oil	12419
42-329-01451	ENDEAVOR ENERGY RESOURCES L.P.	Oil	39309
42-329-01452	PARKER & PARSLEY DEVELOPMENT L.P	Oil	07110
42-329-01453	PIONEER NATURAL RES. USA, INC.	Oil	15400
42-329-01454	PIONEER NATURAL RES. USA, INC.	Oil
42-329-01455	ENDEAVOR ENERGY RESOURCES L.P.	Oil	06517
42-329-01456	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-01457	PIONEER NATURAL RES. USA, INC.	Oil	15400
42-329-01460	PIONEER NATURAL RES. USA, INC.	Oil
42-329-01461	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-01462	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-01463	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-01464	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-01465	ENDEAVOR ENERGY RESOURCES L.P.	Oil	06518
42-329-01467	ENDEAVOR ENERGY RESOURCES L.P.	Oil
42-329-01468	ENDEAVOR ENERGY RESOURCES L.P.	Oil	06518
42-329-01469	ENDEAVOR ENERGY RESOURCES L.P.	Oil	29188
42-329-01470	ENDEAVOR ENERGY RESOURCES L.P.	Oil
42-329-01471	ENDEAVOR ENERGY RESOURCES L.P.	Oil	06518
42-329-01472	Texaco Inc.	Oil	25017
42-329-01473	ENDEAVOR ENERGY RESOURCES L.P.	Oil	06516
42-329-01474	ENDEAVOR ENERGY RESOURCES L.P.	Oil	06518
42-329-01475	Texaco Inc.	Oil	25017
42-329-01476	ENDEAVOR ENERGY RESOURCES L.P.	Oil
42-329-01477	ENDEAVOR ENERGY RESOURCES L.P.	Oil	06519
42-329-01478	Texaco Inc.	Oil	25017
42-329-01479	STEPHENS, AUTRY C.	Oil	06516
42-329-01480	ENDEAVOR ENERGY RESOURCES L.P.	Oil	06519
42-329-01481	Texaco Inc.	Oil	25017
42-329-01482	ENDEAVOR ENERGY RESOURCES L.P.	Oil	06516
42-329-01483	Texaco Inc.	Oil
42-329-01485	ALTO MINERALS, INC.	Oil	06520
42-329-01486	ENDEAVOR ENERGY RESOURCES L.P.	Oil	06520
42-329-01487	ENDEAVOR ENERGY RESOURCES L.P.	Oil	35824
42-329-01488	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36180
42-329-01489
42-329-01490	Texaco Inc.	Oil	25017
42-329-01491	Texaco Inc.	Oil	25017
42-329-01492	PIONEER NATURAL RES. USA, INC.	Oil	06521
42-329-01493	PIONEER NATURAL RES. USA, INC.	Oil	06521
42-329-01495	CHEVRON U. S. A. INC.	Gas	020084
42-329-01496	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-01498	PIONEER NATURAL RES. USA, INC.	Oil
42-329-01499	PIONEER NATURAL RES. USA, INC.	Oil	06523
42-329-01500	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-01501	PIONEER NATURAL RES. USA, INC.	Oil
42-329-01502	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-01503	PIONEER NATURAL RES. USA, INC.	Oil	06523
42-329-01508	ENDEAVOR ENERGY RESOURCES L.P.	Oil	06562
42-329-01509	XTO ENERGY INC.	Oil	01175
42-329-01511	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-01513	XTO ENERGY INC.	Oil	01175
42-329-01519
42-329-01521	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-01522	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-01523	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-01524	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-01525	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-01539	STEPHENS, AUTRY C.	Oil	30116
42-329-01540	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-01548	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-01557	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-01558	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-01559	Apache Corporation	Oil	18804
42-329-01561	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-01562	PIONEER NATURAL RES. USA, INC.	Oil
42-329-01564
42-329-01565	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-01566	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-01567	Apache Corporation	Gas	030958
42-329-01568	Apache Corporation	Oil	01186
42-329-01569	Apache Corporation	Oil	01186
42-329-01570	Apache Corporation	Oil	01186
42-329-01571	Apache Corporation	Gas	031662
42-329-01572	Apache Corporation	Oil	01186
42-329-01573	Apache Corporation	Oil	01186
42-329-01574	Apache Corporation	Oil	01186
42-329-01575	Apache Corporation	Oil	01186
42-329-01576	Apache Corporation	Oil	01186
42-329-01577	Apache Corporation	Oil	01186
42-329-01578	Apache Corporation	Oil	01186
42-329-01579	Apache Corporation	Oil	01186
42-329-01580	Apache Corporation	Oil	01186
42-329-01581	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-01582	PIONEER NATURAL RES. USA, INC.	Oil
42-329-01584	Apache Corporation	Oil	06698
42-329-01585	Apache Corporation	Oil	34421
42-329-01586	Apache Corporation	Oil	34421
42-329-01587
42-329-01588	Apache Corporation	Oil	06708
42-329-01589	Apache Corporation	Gas	030953
42-329-01591	Apache Corporation	Oil	03955
42-329-01592	ARCO PERMIAN	Oil	03955
42-329-01593	Apache Corporation	Oil	01186
42-329-01594	Apache Corporation	Oil	34447
42-329-01596	ARCO PERMIAN	Oil	03955
42-329-01597	Apache Corporation	Gas	030954
42-329-01599	Apache Corporation	Gas	030955
42-329-01600	Apache Corporation	Gas	159004
42-329-01601	Apache Corporation	Gas	030957
42-329-01602	Apache Corporation	Oil	01186
42-329-01603	Apache Corporation	Oil	32337
42-329-01604	ARCO OIL & GAS CO.	Oil	35166
42-329-01605	ENDEAVOR ENERGY RESOURCES L.P.	Oil	16542
42-329-01606	ENDEAVOR ENERGY RESOURCES L.P.	Oil	16725
42-329-01607	ENDEAVOR ENERGY RESOURCES L.P.	Oil	34719
42-329-01608	Apache Corporation	Oil	06698
42-329-01609	Apache Corporation	Oil	32337
42-329-01610	ENDEAVOR ENERGY RESOURCES L.P.
42-329-01611	Apache Corporation	Oil	34351
42-329-01612	ARCO PERMIAN	Oil
42-329-01613	ATLANTIC RICHFIELD CO.	Oil	22928
42-329-01614	Apache Corporation	Oil	06707
42-329-01615	Apache Corporation	Oil	06707
42-329-01617	Apache Corporation	Oil
42-329-01618	Apache Corporation	Oil	34421
42-329-01619	ARCO PERMIAN	Oil	11418
42-329-01620	ENDEAVOR ENERGY RESOURCES L.P.	Oil	08658
42-329-01624	Apache Corporation	Oil	06707
42-329-01626	J. S. Q. INC.	Oil	21464
42-329-01636	MIDKIFF, HUNTER	Oil	30855
42-329-01638	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-01639	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-01641	MCDONALD & MIDKIFF	Oil	27843
42-329-01642	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-01643	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-01645	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-01647	XTO ENERGY INC.	Gas	019166
42-329-01650
42-329-01652	PIONEER NATURAL RES. USA, INC.	Oil
42-329-01653	PIONEER NATURAL RES. USA, INC.	Oil
42-329-01656	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-01657	HARDING OIL CO.	Oil	22895
42-329-01658	HENRY PETROLEUM LP	Gas	019167
42-329-01659	PIONEER NATURAL RES. USA, INC.	Oil
42-329-01663	Parker & Parsley Development Co.	Gas	043565
42-329-01664	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-01665	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-01666	PIONEER NATURAL RES. USA, INC.	Oil
42-329-01667	Samson Resources Company	Oil	34039
42-329-01668	SOHIO PETROLEUM CO.
42-329-01669	ENDEAVOR ENERGY RESOURCES L.P.	Oil	34039
42-329-01672	ENDEAVOR ENERGY RESOURCES L.P.	Oil	34039
42-329-01674	STANDARD OIL PRODUCTION COMPANY	Oil
42-329-01676	FIREBIRD ENERGY LLC	Oil	33552
42-329-01677	FIREBIRD ENERGY LLC	Oil	42628
42-329-01678	CHEVRON U. S. A. INC.	Gas	020030
42-329-01679	CHEVRON U. S. A. INC.	Gas	020029
42-329-01680	COG OPERATING LLC	Oil
42-329-01682	PARSLEY ENERGY OPERATIONS, LLC	Oil	06373
42-329-01683	ENDEAVOR ENERGY RESOURCES L.P.	Oil	06374
42-329-01685	ENDEAVOR ENERGY RESOURCES L.P.	Oil	25251
42-329-01686	ENDEAVOR ENERGY RESOURCES L.P.	Oil	06377
42-329-01687	STEPHENS, AUTRY C.	Oil	06378
42-329-01688	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37749
42-329-01689	ENDEAVOR ENERGY RESOURCES L.P.
42-329-01692	COG OPERATING LLC	Oil
42-329-01693	COG OPERATING LLC	Oil	04116
42-329-01694	COG OPERATING LLC	Oil	04116
42-329-01695	PIONEER NATURAL RES. USA, INC.	Oil
42-329-01702	PIONEER NATURAL RES. USA, INC.	Oil	21487
42-329-01703	PIONEER NATURAL RES. USA, INC.	Oil	21487
42-329-01704	PIONEER NATURAL RES. USA, INC.	Oil	21487
42-329-01705	PIONEER NATURAL RES. USA, INC.	Oil	21487
42-329-01706	PIONEER NATURAL RES. USA, INC.	Oil	21487
42-329-01707	PIONEER NATURAL RES. USA, INC.	Oil	21487
42-329-01708	PIONEER NATURAL RES. USA, INC.	Oil	21487
42-329-01709	COG OPERATING LLC	Oil
42-329-01710	COG OPERATING LLC	Oil	04116
42-329-01711	MOBIL OIL CORPORATION	Oil	01175
42-329-01712	PIONEER NATURAL RES. USA, INC.	Oil
42-329-01713	MOBIL PRODUCING TX. & N.M. INC.	Oil
42-329-01714	MOBIL PRODUCING TX. & N.M. INC.	Oil	06451
42-329-01715
42-329-01716	COG OPERATING LLC	Oil	39665
42-329-01719	PIONEER NATURAL RES. USA, INC.	Oil	21487
42-329-01720	PIONEER NATURAL RES. USA, INC.	Oil	21487
42-329-01721	PIONEER NATURAL RES. USA, INC.	Oil	21487
42-329-01722	PIONEER NATURAL RES. USA, INC.	Oil	21487
42-329-01723	PIONEER NATURAL RES. USA, INC.	Oil	21487
42-329-01724	PIONEER NATURAL RES. USA, INC.	Oil	21487
42-329-01725	MOBIL OIL CORPORATION	Oil
42-329-01727	MWS PRODUCING, INC.	Oil	06569
42-329-01728	MWS PRODUCING, INC.	Oil
42-329-01729	ENDEAVOR ENERGY RESOURCES L.P.	Oil	22571
42-329-01730	ENDEAVOR ENERGY RESOURCES L.P.	Oil	22571
42-329-01731	Legacy Reserves Operating LP	Oil	06560
42-329-01732	CARLOW CORP.	Oil	06567
42-329-01733	CARLOW CORP.	Oil	34275
42-329-01734
42-329-01739	PARKER & PARSLEY PETROLEUM CO.	Oil
42-329-01740	PARKER & PARSLEY PETROLEUM CO.	Oil
42-329-01741	ENDEAVOR ENERGY RESOURCES L.P.	Oil	12902
42-329-01745	Legacy Reserves Operating LP	Oil	06560
42-329-01747	STEPHENS, AUTRY C.	Oil	33823
42-329-01748	COLA PETROLEUM, INC.
42-329-01749	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-01750	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-01751	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-01755	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-01756	PIONEER NATURAL RES. USA, INC.	Oil
42-329-01757	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-01758	TEXACO E & P INC.	Oil	33764
42-329-01759	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-01760	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-01761	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-01762	PIONEER NATURAL RES. USA, INC.	Oil	15400
42-329-01765	PARKER & PARSLEY PETROLEUM CO.	Oil
42-329-01766	ENDEAVOR ENERGY RESOURCES L.P.	Oil	27353
42-329-01767	TEXACO E & P INC.	Oil	34652
42-329-01769	Texaco Inc.	Oil
42-329-01770	STEPHENS, AUTRY C.	Oil	35930
42-329-01771	Texaco Inc.	Oil
42-329-01773	ENDEAVOR ENERGY RESOURCES L.P.	Oil	20830
42-329-01776	Texaco Inc.	Oil	30677
42-329-01777	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-01778	ENDEAVOR ENERGY RESOURCES L.P.	Oil	34651
42-329-01780	XTO ENERGY INC.	Oil	08280
42-329-01783	Texaco Inc.	Oil
42-329-01784	DE3 OPERATING LLC	Gas	019587
42-329-01786	Texaco Inc.	Oil	27204
42-329-01787	Texaco Inc.	Oil	08280
42-329-01788	ENDEAVOR ENERGY RESOURCES L.P.	Oil	20830
42-329-01789	PIONEER NATURAL RES. USA, INC.	Oil
42-329-01790	Texaco Inc.	Oil	34651
42-329-01791	PIONEER NATURAL RES. USA, INC.	Oil
42-329-01793	PIONEER NATURAL RES. USA, INC.	Oil
42-329-01794	PIONEER NATURAL RES. USA, INC.	Oil
42-329-01796	TEXACO E & P INC.	Oil	13955
42-329-01797	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-01800	PIONEER NATURAL RES. USA, INC.	Oil
42-329-01801	PIONEER NATURAL RES. USA, INC.	Oil
42-329-01802	PIONEER NATURAL RES. USA, INC.	Oil
42-329-01803	PIONEER NATURAL RES. USA, INC.	Oil
42-329-01804	PIONEER NATURAL RES. USA, INC.	Oil
42-329-01805	PIONEER NATURAL RES. USA, INC.	Oil
42-329-01807	ENDEAVOR ENERGY RESOURCES L.P.	Oil	20830
42-329-01808	ENDEAVOR ENERGY RESOURCES L.P.	Oil	20830
42-329-01809	ENDEAVOR ENERGY RESOURCES L.P.	Oil
42-329-01810	ENDEAVOR ENERGY RESOURCES L.P.	Oil	20830
42-329-01811	PARKER & PARSLEY DEVELOPMENT L.P	Gas	020915
42-329-01812	ENDEAVOR ENERGY RESOURCES L.P.	Oil	20830
42-329-01813	ENDEAVOR ENERGY RESOURCES L.P.	Oil	20830
42-329-01814	ENDEAVOR ENERGY RESOURCES L.P.	Oil	20830
42-329-01815	ENDEAVOR ENERGY RESOURCES L.P.	Oil	20830
42-329-01816	ENDEAVOR ENERGY RESOURCES L.P.	Oil
42-329-01817	ENDEAVOR ENERGY RESOURCES L.P.	Oil	20830
42-329-01818	ENDEAVOR ENERGY RESOURCES L.P.	Oil	20830
42-329-01819	ENDEAVOR ENERGY RESOURCES L.P.	Oil	20830
42-329-01820	ENDEAVOR ENERGY RESOURCES L.P.	Oil	20830
42-329-01821	ENDEAVOR ENERGY RESOURCES L.P.	Oil	20830
42-329-01822	ENDEAVOR ENERGY RESOURCES L.P.	Oil	20830
42-329-01823	ENDEAVOR ENERGY RESOURCES L.P.	Oil	20830
42-329-01824	ENDEAVOR ENERGY RESOURCES L.P.	Oil	20830
42-329-01825	ENDEAVOR ENERGY RESOURCES L.P.	Oil	20830
42-329-01826	ENDEAVOR ENERGY RESOURCES L.P.	Oil	20830
42-329-01827	ENDEAVOR ENERGY RESOURCES L.P.	Oil	20830
42-329-01828	ENDEAVOR ENERGY RESOURCES L.P.	Oil	20830
42-329-01829	ENDEAVOR ENERGY RESOURCES L.P.	Oil	20830
42-329-01830	ENDEAVOR ENERGY RESOURCES L.P.	Oil	20830
42-329-01831	ENDEAVOR ENERGY RESOURCES L.P.	Oil
42-329-01832	ENDEAVOR ENERGY RESOURCES L.P.	Oil	20830
42-329-01833	Texaco Inc.	Oil	23397
42-329-01834	Texaco Inc.	Oil
42-329-01835	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36649
42-329-01836	Texaco Inc.	Oil	24504
42-329-01837	Texaco Inc.	Oil
42-329-01838	Texaco Inc.	Oil	36791
42-329-01839	PIONEER NATURAL RES. USA, INC.	Oil
42-329-01841	ENDEAVOR ENERGY RESOURCES L.P.	Oil
42-329-01842	ENDEAVOR ENERGY RESOURCES L.P.	Oil	40264
42-329-01844	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36885
42-329-01845	ENDEAVOR ENERGY RESOURCES L.P.	Oil	16821
42-329-01847	Texaco Inc.	Oil
42-329-01848	Texaco Inc.	Oil
42-329-01849	Texaco Inc.	Oil
42-329-01850	Texaco Inc.	Gas	282447
42-329-01851	TEXACO E & P INC.	Oil
42-329-01852	Texaco Inc.	Oil
42-329-01854	COG OPERATING LLC	Oil
42-329-01855	TEXACO E & P INC.	Oil
42-329-01856	Texaco Inc.	Oil
42-329-01857	CHEVRON U. S. A. INC.	Oil	00616
42-329-01858	CHEVRON U. S. A. INC.	Oil	02646
42-329-01859	Texaco Inc.	Oil
42-329-01860	TEXACO E & P INC.	Oil
42-329-01861	CHEVRON U. S. A. INC.	Gas	281679
42-329-01862	Texaco Inc.	Oil
42-329-01864	Texaco Inc.	Oil
42-329-01865	Texaco Inc.	Oil
42-329-01866	Texaco Inc.	Oil
42-329-01868	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-01869	PIONEER NATURAL RES. USA, INC.	Oil
42-329-01870	PIONEER NATURAL RES. USA, INC.	Oil
42-329-01871	PIONEER NATURAL RES. USA, INC.	Oil
42-329-01872	ENDEAVOR ENERGY RESOURCES L.P.	Oil	34379
42-329-01873	ENDEAVOR ENERGY RESOURCES L.P.	Oil	34379
42-329-01874	ENDEAVOR ENERGY RESOURCES L.P.	Oil	20830
42-329-01875	ENDEAVOR ENERGY RESOURCES L.P.	Oil	20830
42-329-01876	ENDEAVOR ENERGY RESOURCES L.P.	Oil	20830
42-329-01878	ENDEAVOR ENERGY RESOURCES L.P.	Oil	14938
42-329-01883	BRAHANEY DRILLING CO.	Oil	25532
42-329-01884	PIONEER NATURAL RES. USA, INC.	Oil
42-329-01886	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-01887	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-01888	PIONEER NATURAL RES. USA, INC.	Oil
42-329-01889	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-01890	PIONEER NATURAL RES. USA, INC.	Oil
42-329-01891	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-01892	PIONEER NATURAL RES. USA, INC.	Oil
42-329-01893	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-01895	PIONEER NATURAL RES. USA, INC.	Oil
42-329-01898	ENDEAVOR ENERGY RESOURCES L.P.	Oil	06629
42-329-01899	ENDEAVOR ENERGY RESOURCES L.P.	Oil	06630
42-329-01904	CHEVRON U. S. A. INC.	Gas	020044
42-329-01905	CHEVRON U. S. A. INC.	Gas	020045
42-329-01906	CHEVRON U. S. A. INC.	Gas	020031
42-329-01907	CHEVRON U. S. A. INC.	Gas	020046
42-329-01908	CHEVRON U. S. A. INC.	Gas	020012
42-329-01909	CHEVRON U. S. A. INC.	Gas	020043
42-329-01910	COG OPERATING LLC	Oil	01166
42-329-01911	COG OPERATING LLC	Oil
42-329-01912	COG OPERATING LLC	Oil	34636
42-329-01913	ANADARKO PETROLEUM CORPORATION	Oil	34636
42-329-01914	CHEVRON U. S. A. INC.	Gas	020051
42-329-01915	ANADARKO PETROLEUM CORPORATION	Oil	34636
42-329-01916	FOUR STAR OIL AND GAS COMPANY	Gas	020049
42-329-01917	ANADARKO PETROLEUM CORPORATION	Oil	34636
42-329-01918	COG OPERATING LLC	Oil	10576
42-329-01919	FOUR STAR OIL AND GAS COMPANY	Oil	01166
42-329-01920	ANADARKO PETROLEUM CORPORATION	Oil	10576
42-329-01921	ANADARKO PETROLEUM CORPORATION	Oil	10576
42-329-01922	COG OPERATING LLC	Oil	01166
42-329-01923	CHEVRON U. S. A. INC.	Oil	32202
42-329-01925	ANADARKO PETROLEUM CORPORATION	Oil	10576
42-329-01926	ANADARKO PETROLEUM CORPORATION	Oil	10576
42-329-01927	ANADARKO PETROLEUM CORPORATION	Oil	10576
42-329-01928	COG OPERATING LLC	Oil	34636
42-329-01929	ANADARKO PETROLEUM CORPORATION	Oil	10576
42-329-01930	COG OPERATING LLC	Oil
42-329-01931	ANADARKO PETROLEUM CORPORATION	Oil	34636
42-329-01932	CHEVRON U. S. A. INC.	Gas	020028
42-329-01933	CHEVRON U. S. A. INC.	Gas	020027
42-329-01936	PIONEER NATURAL RES. USA, INC.	Oil
42-329-01937	PIONEER NATURAL RES. USA, INC.	Oil
42-329-01938	PIONEER NATURAL RES. USA, INC.	Oil
42-329-01939	PIONEER NATURAL RES. USA, INC.	Oil
42-329-01945	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-01955	PIONEER NATURAL RES. USA, INC.	Oil
42-329-01956	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-01957	WTG EXPLORATION	Oil	32267
42-329-01958	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37257
42-329-01959	Texas Pacific Oil Company, Inc.	Oil	22011
42-329-01960	WTG EXPLORATION	Oil	35867
42-329-01961	WTG EXPLORATION	Gas	019593
42-329-01962	WTG EXPLORATION	Oil	31273
42-329-01963	Phillips Petroleum Company	Oil	32003
42-329-01964	WTG EXPLORATION	Oil	24502
42-329-01965	Texas Pacific Oil Company, Inc.	Oil	24503
42-329-01966	Lario Oil & Gas Company	Oil	06644
42-329-01967	Lario Oil & Gas Company	Oil	06644
42-329-01968	Lario Oil & Gas Company	Oil	06644
42-329-01969	Lario Oil & Gas Company	Oil	06644
42-329-01970	CHEVRON U. S. A. INC.	Gas	079735
42-329-01971	CHEVRON U. S. A. INC.	Gas	020033
42-329-01972	Getty Oil Co.	Oil
42-329-01973	CHEVRON U. S. A. INC.	Gas	020032
42-329-01974	Getty Oil Co.	Oil
42-329-01975	CHEVRON U. S. A. INC.	Gas	020009
42-329-01976	CHEVRON U. S. A. INC.	Gas	020011
42-329-01977	Reading & Bates Petroleum Co.	Oil
42-329-01979	Reading & Bates Petroleum Co.	Oil
42-329-01985	CHEVRON U. S. A. INC.	Gas	020052
42-329-01986	COG OPERATING LLC	Oil	01166
42-329-01987	CHEVRON U. S. A. INC.	Oil	21593
42-329-01988	CHEVRON U. S. A. INC.	Oil	00616
42-329-01989	Texaco Inc.	Gas
42-329-01990
42-329-01991	ENDEAVOR ENERGY RESOURCES L.P.	Oil	34739
42-329-01992	ENDEAVOR ENERGY RESOURCES L.P.	Oil	06652
42-329-01993	ENDEAVOR ENERGY RESOURCES L.P.	Oil	06652
42-329-01994	ENDEAVOR ENERGY RESOURCES L.P.	Oil
42-329-01995	ENDEAVOR ENERGY RESOURCES L.P.	Oil	06652
42-329-01996	ENDEAVOR ENERGY RESOURCES L.P.	Oil	06652
42-329-01997	ENDEAVOR ENERGY RESOURCES L.P.	Oil	06652
42-329-01998	ENDEAVOR ENERGY RESOURCES L.P.	Oil	06652
42-329-01999	ENDEAVOR ENERGY RESOURCES L.P.	Oil	06652
42-329-02000	ENDEAVOR ENERGY RESOURCES L.P.	Oil	06652
42-329-02001	ENDEAVOR ENERGY RESOURCES L.P.	Oil	06652
42-329-02002	ENDEAVOR ENERGY RESOURCES L.P.	Oil	06652
42-329-02003	ENDEAVOR ENERGY RESOURCES L.P.	Oil	06652
42-329-02004	ENDEAVOR ENERGY RESOURCES L.P.	Oil	06652
42-329-02005	ENDEAVOR ENERGY RESOURCES L.P.	Oil	06652
42-329-02006	FASKEN OIL AND RANCH, LTD.	Oil	23729
42-329-02007	ENDEAVOR ENERGY RESOURCES L.P.	Oil
42-329-02008
42-329-02010	Southland Royalty Company	Oil	33552
42-329-02011	CHEVRON U. S. A. INC.	Gas	020034
42-329-02012	FIREBIRD ENERGY LLC	Oil	42628
42-329-02013	CHEVRON U. S. A. INC.	Gas	020035
42-329-02015	FLOYD, TIMBER INC.	Oil	06654
42-329-02022	PENNZOIL EXPLORATION & PROD. CO.	Oil	07377
42-329-02023	PENNZOIL EXPLORATION & PROD. CO.	Oil
42-329-02024	Legacy Reserves Operating LP	Oil	13771
42-329-02025	PENNZOIL EXPLORATION & PROD. CO.	Oil	10167
42-329-02026	CHEVRON U. S. A. INC.	Oil	10167
42-329-02027	CHEVRON U. S. A. INC.	Oil	34644
42-329-02028	PIONEER NATURAL RES. USA, INC.	Oil	12103
42-329-02029	PENNZOIL EXPLORATION & PROD. CO.	Oil	34648
42-329-02030	OXY USA WTP LP	Gas	030514
42-329-02031	OXY USA WTP LP	Oil	15848
42-329-02032	DEVON ENERGY PRODUCTION CO, L.P.	Oil	29150
42-329-02033	Gulf Oil Corp.	Oil	34649
42-329-02034	OXY USA WTP LP	Oil	15850
42-329-02035	PIONEER NATURAL RES. USA, INC.	Oil
42-329-02036	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-02037	PIONEER NATURAL RES. USA, INC.	Oil
42-329-02038
42-329-02039	TEXAS CRUDE OPERATOR, INC.	Oil	16955
42-329-02040	PIONEER NATURAL RES. USA, INC.	Oil
42-329-02043	OXY USA INC.	Oil	34646
42-329-02044	OXY USA WTP LP	Oil	15857
42-329-02046	CITIES SERVICE OIL CO.	Oil	15848
42-329-02047	OXY USA WTP LP	Oil	31940
42-329-02048	OXY USA WTP LP	Oil	15860
42-329-02049	OXY USA INC.	Oil	15850
42-329-02051
42-329-02052
42-329-02053
42-329-02054	PIONEER NATURAL RES. USA, INC.	Oil	15400
42-329-02055	OXY USA WTP LP	Oil	15848
42-329-02056	OXY USA WTP LP	Oil	15858
42-329-02057
42-329-02058	PARKER & PARSLEY DEVELOPMENT L.P	Oil	15213
42-329-02059
42-329-02060
42-329-02061
42-329-02062	ROBERTSON RESOURCES, INC.	Oil	21681
42-329-02064	ENDEAVOR ENERGY RESOURCES L.P.	Oil	06602
42-329-02067	HENDRICKSON, A. N.	Oil
42-329-02071	Union Oil Company Of California
42-329-02077	MOBIL OIL CORPORATION	Gas
42-329-02079	ENDEAVOR ENERGY RESOURCES L.P.	Oil	06693
42-329-02080	MWJ PRODUCING COMPANY	Oil	06602
42-329-02081	Graham Royalty, Ltd.	Oil
42-329-02082	Texaco Inc.	Oil
42-329-02083	XTO ENERGY INC.	Gas	019154
42-329-02202	ENDEAVOR ENERGY RESOURCES L.P.	Oil	20830
42-329-02203	PIONEER NATURAL RES. USA, INC.	Oil	15400
42-329-02204	MOBIL PRODUCING TX. & N.M. INC.	Gas	146412
42-329-02205	XTO ENERGY INC.	Oil	03708
42-329-02206	COG OPERATING LLC	Oil	04116
42-329-03187	MOMENTUM OPERATING CO., INC.	Oil	25017
42-329-10001	OXY USA WTP LP	Gas	030512
42-329-10002	OXY USA WTP LP	Gas	032909
42-329-10003	Apache Corporation	Oil	34447
42-329-10004	Cities Service Oil & Gas Corp.	Gas
42-329-10005	CHEVRON U. S. A. INC.	Gas	031453
42-329-10006	CHEVRON U. S. A. INC.	Gas	020050
42-329-10007	OXY USA WTP LP	Gas	031083
42-329-10008	Apache Corporation	Gas	030959
42-329-10009	OXY USA WTP LP	Gas	030477
42-329-10010	OXY USA WTP LP	Gas	030485
42-329-10011	CHEVRON U. S. A. INC.	Gas	032054
42-329-10012	Parker & Parsley Development Co.	Oil	17778
42-329-10013	OXY USA WTP LP	Gas	138909
42-329-10014	TEXACO E & P INC.	Oil	34645
42-329-10015	CHEVRON U. S. A. INC.	Oil
42-329-10016	CHEVRON U. S. A. INC.	Gas	031169
42-329-10017	OXY USA WTP LP	Oil	15850
42-329-10018	DE3 OPERATING LLC	Oil	24388
42-329-10019	OXY USA WTP LP	Gas	030507
42-329-10020	OXY USA WTP LP	Gas	030497
42-329-10021	OXY USA INC.	Gas	030486
42-329-10022	CHEVRON U. S. A. INC.	Gas	030613
42-329-10023	ENDEAVOR ENERGY RESOURCES L.P.	Oil	34791
42-329-10024	Apache Corporation	Oil
42-329-10025	CHEVRON U. S. A. INC.	Gas	020048
42-329-10026	CHEVRON U. S. A. INC.	Gas	020047
42-329-10027	OXY USA WTP LP	Gas	030505
42-329-10028	OXY USA WTP LP	Oil	34635
42-329-10029	OXY USA INC.	Gas	030493
42-329-10030	MOBIL PRODUCING TX. & N.M. INC.	Gas	032123
42-329-10031	OXY USA WTP LP	Gas	031084
42-329-10032	OXY USA INC.	Oil	34646
42-329-10033	CHEVRON U. S. A. INC.	Gas	031167
42-329-10034	ENDEAVOR ENERGY RESOURCES L.P.	Oil	17495
42-329-10035	OXY USA INC.	Oil	34646
42-329-10037	ENDEAVOR ENERGY RESOURCES L.P.	Oil	18520
42-329-10038	XTO ENERGY INC.	Gas	019153
42-329-10039	OXY USA WTP LP	Gas	030513
42-329-10042	MWJ PRODUCING COMPANY	Oil	24024
42-329-10043	Texaco Inc.	Oil	17492
42-329-10045	CHEVRON U. S. A. INC.	Gas	030615
42-329-10046	CHEVRON U. S. A. INC.	Gas	030612
42-329-10047	W.O.G., INC.	Oil	32525
42-329-10048	MOBIL PRODUCING TX. & N.M. INC.	Oil	06451
42-329-10049	CHEVRON U. S. A. INC.	Gas	031170
42-329-10050	OXY USA INC.	Gas	030492
42-329-10051	CHEVRON U. S. A. INC.	Gas	030614
42-329-10052	Texaco Inc.	Oil	34645
42-329-10053	CHEVRON U. S. A. INC.	Gas	030611
42-329-10054	OXY USA WTP LP	Gas	030484
42-329-10057	ASHMUN & HILLIARD	Oil	25185
42-329-10058	ASHMUN & HILLIARD	Oil	25187
42-329-10059	ASHMUN & HILLIARD	Oil	25186
42-329-10060	Humble Oil & Refining Co.	Oil
42-329-10061	BAXTER, MURPHY H.	Oil
42-329-10062	OXY USA WTP LP	Gas	033410
42-329-10063	OXY USA WTP LP	Oil	34646
42-329-10064	OXY USA WTP LP	Gas	034336
42-329-10065	Coastal Oil & Gas Corporation	Oil
42-329-10066	MWS PRODUCING, INC.	Oil
42-329-10069	PIONEER NATURAL RES. USA, INC.	Oil	18793
42-329-10070	EXXON CORP.	Oil
42-329-10071	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-10072	PIONEER NATURAL RES. USA, INC.	Oil
42-329-10073	PIONEER NATURAL RES. USA, INC.	Oil
42-329-10074	NORTHSTAR OPERATING COMPANY	Oil	19171
42-329-10076	ENVIRONMENTAL DISPOSAL SYSTEMS	Oil	33095
42-329-10077	MOBIL PRODUCING TX. & N.M. INC.	Oil	06358
42-329-10079	BP America Production Company	Gas	032808
42-329-10080	ATLANTIC RICHFIELD CO.	Oil
42-329-10082	MOBIL PRODUCING TX. & N.M. INC.	Gas	032807
42-329-10083	MOBIL OIL CORPORATION	Oil
42-329-10084	MWJ PRODUCING COMPANY	Oil	18381
42-329-10085	Texaco Inc.	Oil	34645
42-329-10086	TEXACO E & P INC.	Gas	035903
42-329-10087	MULLOY OPERATING, INC.	Oil	28830
42-329-10089	ENDEAVOR ENERGY RESOURCES L.P.	Gas	034331
42-329-10092	OXY USA WTP LP	Gas	036404
42-329-10096	ASHMUN & HILLIARD	Oil	25188
42-329-10097	Texaco Inc.	Gas	275066
42-329-10098	Texaco Inc.	Oil	25265
42-329-10099	STANDARD OIL COMPANY OF TEXAS	Oil	18381
42-329-10111	LANGHAM PETROLEUM EXPL. CORP.	Oil	19649
42-329-10112	LANGHAM PETROLEUM EXPL. CORP.	Oil
42-329-10113	LANGHAM PETROLEUM EXPL. CORP.	Oil
42-329-10114	MWS PRODUCING, INC.	Oil	19382
42-329-10115	MWS PRODUCING, INC.	Oil	19382
42-329-10116	OXY USA WTP LP	Gas	037416
42-329-10117	OXY USA WTP LP	Gas	036735
42-329-10118	Texaco Inc.	Oil	40425
42-329-10119	Texaco Inc.	Oil	25265
42-329-10121	Texaco Inc.	Oil	25265
42-329-10122	CHEVRON U. S. A. INC.	Oil	25265
42-329-10123	ENDEAVOR ENERGY RESOURCES L.P.	Oil	23394
42-329-10125	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-10126	Texaco Inc.	Oil	27165
42-329-10127	TEXACO E & P INC.	Gas	269634
42-329-10301	OXY USA WTP LP	Gas	288898
42-329-10303	LANGHAM PETROLEUM EXPL. CORP.	Oil	19649
42-329-10304	Texaco Inc.	Oil	20061
42-329-10305	OXY USA WTP LP	Gas	037754
42-329-10306	Apache Corporation	Oil
42-329-10307	Texaco Inc.	Oil	25265
42-329-10308	LANGHAM PETROLEUM EXPL. CORP.	Oil
42-329-10309	OXY USA WTP LP	Gas	037761
42-329-10310	LANGHAM PETROLEUM EXPL. CORP.	Oil
42-329-10311	PIONEER NATURAL RES. USA, INC.	Oil	06451
42-329-10312	OXY USA WTP LP	Gas	039837
42-329-10313	OXY USA WTP LP	Oil	34646
42-329-10314	OXY USA WTP LP	Gas	038174
42-329-10315	OXY USA WTP LP	Gas	038871
42-329-10316	OXY USA INC.	Gas	039184
42-329-10317	MOBIL PRODUCING TX. & N.M. INC.	Oil	06451
42-329-10318	PIONEER NATURAL RES. USA, INC.	Oil
42-329-10319	Delta Drilling Co.	Oil
42-329-10321	Shell Oil Company	Oil	20081
42-329-10322	Texaco Inc.	Oil	25265
42-329-10323	Texaco Inc.	Oil
42-329-10324	Apache Corporation	Oil	19923
42-329-10326	Texaco Inc.	Oil
42-329-10327	TEXACO E & P INC.	Oil	40422
42-329-10328	PIONEER NATURAL RES. USA, INC.	Oil	20070
42-329-10331	Texaco Inc.	Oil	25265
42-329-10332	Texaco Inc.	Oil	25265
42-329-10333	PIONEER NATURAL RES. USA, INC.	Oil
42-329-10334	Texaco Inc.	Oil	25265
42-329-10335	PITTS ENERGY CO.	Oil	16419
42-329-10336	PIONEER NATURAL RES. USA, INC.	Oil
42-329-10337	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-10338	PIONEER NATURAL RES. USA, INC.	Oil
42-329-10339	PIONEER NATURAL RES. USA, INC.	Oil
42-329-10340	PIONEER NATURAL RES. USA, INC.	Oil
42-329-10341	HENRY PETROLEUM LP	Gas	040297
42-329-10342	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-10343	PARKER & PARSLEY PETROLEUM CO.	Oil
42-329-10344	Hunt Oil Company	Oil	20269
42-329-10345	PARKER & PARSLEY PETROLEUM CO.	Oil
42-329-10346	TEXACO E & P INC.	Oil	20353
42-329-10347	CHEVRON U. S. A. INC.	Oil	20176
42-329-10348	WALTER EXPLORATION COMPANY	Oil	20392
42-329-10349	LANGHAM PETROLEUM EXPL. CORP.	Oil	20335
42-329-10350	MERIT ENERGY COMPANY	Oil	01166
42-329-10351	Parker & Parsley Development Co.	Oil	20422
42-329-10352	PIONEER NATURAL RES. USA, INC.	Oil	33707
42-329-10353	ENDEAVOR ENERGY RESOURCES L.P.	Oil	23653
42-329-10354	Getty Oil Co.	Oil	30667
42-329-10355	ENDEAVOR ENERGY RESOURCES L.P.	Oil	20457
42-329-10356	PARKER & PARSLEY PETROLEUM CO.	Oil
42-329-10357	LANGHAM PETROLEUM EXPL. CORP.	Oil
42-329-10358	PIONEER NATURAL RES. USA, INC.	Oil
42-329-10359	Damson Oil Corp.	Oil
42-329-10361	Petroleum Corporation Of Texas	Oil
42-329-10362	ENDEAVOR ENERGY RESOURCES L.P.	Oil	20562
42-329-10363
42-329-10364	Texaco Inc.	Oil	25265
42-329-10365	CRAIN, M. G.	Oil	20593
42-329-10366	PIONEER NATURAL RES. USA, INC.	Oil	20597
42-329-10367	MOBIL PRODUCING TX. & N.M. INC.	Oil	32156
42-329-10368	BROWN, TOM, DRLG. CO., INC.	Oil	20630
42-329-10369	Lario Oil & Gas Company	Oil	06644
42-329-10370	Getty Oil Co.	Oil	21455
42-329-10371	ENDEAVOR ENERGY RESOURCES L.P.	Oil	20682
42-329-10372	TEXACO PRODUCING INC.	Oil	06644
42-329-10373	ENDEAVOR ENERGY RESOURCES L.P.	Oil	20961
42-329-10374	Damson Oil Corp.	Oil
42-329-10375	PARKER & PARSLEY PETROLEUM CO.	Oil
42-329-10376	Damson Oil Corp.	Oil
42-329-10377
42-329-10378
42-329-10379	Texaco Inc.	Oil	25265
42-329-10381	TEXACO PRODUCING INC.	Oil	26319
42-329-10382	PARKER & PARSLEY PETROLEUM CO.	Oil
42-329-10383
42-329-10384	UMC Petroleum Corporation	Oil	07377
42-329-10385	Petroleum Corporation Of Texas	Oil
42-329-10386	BLUESTEM ENERGY HOLDINGS, LLC	Oil	42307
42-329-10387	LANGHAM PETROLEUM EXPL. CORP.	Oil
42-329-10388	Henry Petroleum Corp.	Oil	23907
42-329-10389
42-329-10390	LANGHAM PETROLEUM EXPL. CORP.	Oil	20797
42-329-10391	PIONEER NATURAL RES. USA, INC.	Oil	21240
42-329-10392	PIONEER NATURAL RES. USA, INC.	Oil	06268
42-329-10394	ADOBE RESOURCES CORPORATION	Oil
42-329-10395	Damson Oil Corp.	Oil
42-329-10397	LANGHAM PETROLEUM EXPL. CORP.	Oil
42-329-10398	CONNALLY OIL CO., INC.	Oil
42-329-10399
42-329-10400	PARKER & PARSLEY PETROLEUM CO.	Oil
42-329-10401
42-329-10402	OXY USA WTP LP	Gas	044154
42-329-10403	LANGHAM PETROLEUM EXPL. CORP.	Oil
42-329-10413	ENDEAVOR ENERGY RESOURCES L.P.	Oil	20983
42-329-10414	STEPHENS, AUTRY C.	Oil	20999
42-329-10415	STEPHENS, AUTRY C.	Oil	20999
42-329-10416	Legacy Reserves Operating LP	Oil	20998
42-329-10417	Legacy Reserves Operating LP	Oil	20998
42-329-10418	Legacy Reserves Operating LP	Oil	20998
42-329-10419	Phillips Petroleum Company	Oil	33749
42-329-10420	OXY USA INC.	Gas	045022
42-329-10421	COASTAL MANAGEMENT CORPORATION	Oil	34503
42-329-10423	STANDARD OIL PRODUCTION COMPANY	Oil
42-329-10424	MOJAVE OPERATING COMPANY, INC.	Oil
42-329-10425	STEPHENS, AUTRY C.	Oil	20999
42-329-10426	Hunt Oil Company	Oil	21071
42-329-10427	DE3 OPERATING LLC	Oil	21111
42-329-10428	PARKER & PARSLEY PETROLEUM CO.	Oil
42-329-10430	Hunt Oil Company	Oil	21071
42-329-10431	LEMON, HULEN H.	Oil
42-329-10433	BLUESTEM ENERGY HOLDINGS, LLC	Oil	42307
42-329-10437	COG OPERATING LLC	Oil	15080
42-329-10439
42-329-11060
42-329-13822	DISCOVERY OPERATING, INC.	Oil	36673
42-329-20002
42-329-20012	BLUESTEM ENERGY HOLDINGS, LLC	Oil	20870
42-329-20022	Houston Oil & Minerals Corp.
42-329-20023	PIONEER NATURAL RES. USA, INC.	Oil	29402
42-329-20024	PIONEER NATURAL RES. USA, INC.	Oil
42-329-20041	ENDEAVOR ENERGY RESOURCES L.P.	Oil	34354
42-329-20046
42-329-20071
42-329-20107	Texaco Inc.	Gas	256653
42-329-20110	Texaco Inc.	Oil	40426
42-329-30002	ENERGEN RESOURCES CORPORATION	Oil	21223
42-329-30003	MOBIL PRODUCING TX. & N.M. INC.	Oil	01175
42-329-30004	PARKER & PARSLEY DEVELOPMENT L.P	Oil	21237
42-329-30006	PED OIL CORPORATION	Oil	21265
42-329-30007	PED OIL CORPORATION	Oil	21297
42-329-30008	PED OIL CORPORATION	Oil	21297
42-329-30009	LEMON, HULEN H.	Oil
42-329-30010	PED OIL CORPORATION	Oil	21297
42-329-30011	LEMON, HULEN H.	Oil
42-329-30012	PED OIL CORPORATION	Oil	21297
42-329-30013	OXY USA WTP LP	Oil	15848
42-329-30014	PED OIL CORPORATION	Oil	21309
42-329-30015	TEXACO E & P INC.	Oil	40424
42-329-30016	L.C.S. PRODUCTION COMPANY	Oil	22549
42-329-30017	PIONEER NATURAL RES. USA, INC.	Oil	21373
42-329-30019	BLUESTEM ENERGY HOLDINGS, LLC	Oil	21356
42-329-30020	BLUESTEM ENERGY HOLDINGS, LLC	Oil	42307
42-329-30021	FORT WORTH PIPE & SUPPLY CO.	Oil
42-329-30022	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-30023	PENNZOIL UNITED INC.	Oil
42-329-30024	ENDEAVOR ENERGY RESOURCES L.P.	Oil
42-329-30025	COG OPERATING LLC	Oil	05637
42-329-30026	ENDEAVOR ENERGY RESOURCES L.P.	Oil	21412
42-329-30027	EDMAR COMPANY, L.L.C.	Oil	21477
42-329-30028	BLUESTEM ENERGY HOLDINGS, LLC	Oil	21408
42-329-30029	EDMAR COMPANY, L.L.C.	Oil	21477
42-329-30030	BLUESTEM ENERGY HOLDINGS, LLC	Oil	21408
42-329-30031	ENDEAVOR ENERGY RESOURCES L.P.	Oil	21412
42-329-30032	CONNALLY OIL CO., INC.	Oil
42-329-30033	COG OPERATING LLC	Oil
42-329-30034	DISCOVERY OPERATING, INC.	Oil
42-329-30035	ENDEAVOR ENERGY RESOURCES L.P.	Oil
42-329-30036	ENDEAVOR ENERGY RESOURCES L.P.	Oil
42-329-30038	ENDEAVOR ENERGY RESOURCES L.P.	Oil	21412
42-329-30039	ENDEAVOR ENERGY RESOURCES L.P.	Oil
42-329-30040	BLUESTEM ENERGY HOLDINGS, LLC	Oil	21356
42-329-30041	BLUESTEM ENERGY HOLDINGS, LLC	Oil	42307
42-329-30042	ENDEAVOR ENERGY RESOURCES L.P.	Oil
42-329-30044	BLUESTEM ENERGY HOLDINGS, LLC	Oil	42307
42-329-30046	Texaco Inc.	Oil	23460
42-329-30047	ENDEAVOR ENERGY RESOURCES L.P.	Oil
42-329-30048	BLUESTEM ENERGY HOLDINGS, LLC	Oil	42307
42-329-30049	PIONEER NATURAL RES. USA, INC.	Oil
42-329-30050	PETROLEUM EXPL. & OPER. CORP.	Oil	21754
42-329-30051	HANSON OIL CORPORATION	Oil
42-329-30052	BLUESTEM ENERGY HOLDINGS, LLC	Oil
42-329-30053	ENDEAVOR ENERGY RESOURCES L.P.	Oil	21860
42-329-30054	BLUESTEM ENERGY HOLDINGS, LLC	Oil	42307
42-329-30055	LNH OIL COMPANY	Oil
42-329-30056	LNH OIL COMPANY	Oil
42-329-30057	PARKER & PARSLEY PETROLEUM CO.	Oil	21713
42-329-30058	BLUESTEM ENERGY HOLDINGS, LLC	Oil	20694
42-329-30059	LANGHAM PETROLEUM EXPL. CORP.	Oil
42-329-30060	ENDEAVOR ENERGY RESOURCES L.P.	Oil	21821
42-329-30061	LEMON, HULEN H.	Oil
42-329-30062	BETTIS, BOYLE & STOVALL	Oil	22619
42-329-30064	LP PARTNERS, INC.	Oil
42-329-30065	LP PARTNERS, INC.	Oil
42-329-30066	PED OIL CORPORATION	Oil	21858
42-329-30067	ENDEAVOR ENERGY RESOURCES L.P.	Oil	21791
42-329-30068	MARALO, INC.	Oil	25300
42-329-30069	ENDEAVOR ENERGY RESOURCES L.P.	Oil	21795
42-329-30070	PIONEER NATURAL RES. USA, INC.	Oil
42-329-30071	ENDEAVOR ENERGY RESOURCES L.P.	Oil	21903
42-329-30072	LANGHAM PETROLEUM EXPL. CORP.	Oil	21879
42-329-30073	ENDEAVOR ENERGY RESOURCES L.P.	Oil	21795
42-329-30074	LANGHAM PETROLEUM EXPL. CORP.	Oil
42-329-30075	ENDEAVOR ENERGY RESOURCES L.P.	Oil
42-329-30076	JM COX RESOURCES, L.P.	Oil	21939
42-329-30077	MLC CO., INC.	Oil
42-329-30078	JM COX RESOURCES, L.P.	Oil
42-329-30079	JM COX RESOURCES, L.P.	Oil
42-329-30080	BAXTER, MURPHY H.	Oil	21644
42-329-30081	PERMIAN RESOURCES, INC.	Oil
42-329-30082	DE3 OPERATING LLC	Oil
42-329-30083	DE3 OPERATING LLC	Oil
42-329-30084	PIONEER NATURAL RES. USA, INC.	Oil	22051
42-329-30085	PIONEER NATURAL RES. USA, INC.	Oil	22051
42-329-30086	PIONEER NATURAL RES. USA, INC.	Oil	22059
42-329-30087	PIONEER NATURAL RES. USA, INC.	Oil	21487
42-329-30088	OXY USA WTP LP	Oil	15862
42-329-30089	DE3 OPERATING LLC	Oil
42-329-30090	PIONEER NATURAL RES. USA, INC.	Oil	22051
42-329-30091	PIONEER NATURAL RES. USA, INC.	Oil	22051
42-329-30092	PIONEER NATURAL RES. USA, INC.	Oil	22051
42-329-30093	DE3 OPERATING LLC	Oil	22167
42-329-30094	Hunt Oil Company	Oil	21071
42-329-30095	Hunt Oil Company	Oil
42-329-30096	PIONEER NATURAL RES. USA, INC.	Oil	33733
42-329-30097	PIONEER NATURAL RES. USA, INC.	Oil
42-329-30098	BROWN, TOM INC.	Oil	22174
42-329-30099	Cox, John L.	Oil	22210
42-329-30100	STEPHENS, AUTRY C.	Oil	22410
42-329-30101	PIONEER NATURAL RES. USA, INC.	Oil	22255
42-329-30105	Henry Petroleum Corp.	Oil
42-329-30106	PIONEER NATURAL RES. USA, INC.	Oil	22276
42-329-30107	PARSLEY ENERGY OPERATIONS, LLC	Oil	22291
42-329-30108	PIONEER NATURAL RES. USA, INC.	Oil	22168
42-329-30109	CHEVRON U. S. A. INC.	Oil	22343
42-329-30110	PIONEER NATURAL RES. USA, INC.	Oil	33777
42-329-30111	STEPHENS, AUTRY C.	Oil	22410
42-329-30112	DE3 OPERATING LLC	Oil	22167
42-329-30113	MERIDIAN OIL CORPORATION	Oil
42-329-30114	BROWN, TOM INC.	Oil	22174
42-329-30115	Henry Petroleum Corp.	Oil
42-329-30116	MERITAGE ENERGY COMPANY, LLC	Oil	22488
42-329-30118	COG OPERATING LLC	Oil	05637
42-329-30119	COG OPERATING LLC	Oil	05637
42-329-30120	COG OPERATING LLC	Oil	05637
42-329-30121	MERIDIAN OIL CORPORATION	Oil
42-329-30122	BROWN, TOM INC.	Oil	22414
42-329-30123	BROWN, TOM INC.	Oil
42-329-30124	PIONEER NATURAL RES. USA, INC.	Oil	22421
42-329-30125	PIONEER NATURAL RES. USA, INC.	Oil	22421
42-329-30126	PIONEER NATURAL RES. USA, INC.	Oil	22421
42-329-30127	DEL MAR PETROLEUM, INC.	Oil
42-329-30128	DE3 OPERATING LLC	Oil	22347
42-329-30129	BROWN, TOM INC.	Oil	22174
42-329-30130	ENSOUTH OPERATING INC	Oil
42-329-30131	MERIDIAN OIL CORPORATION	Oil
42-329-30132	MERIDIAN OIL CORPORATION	Oil
42-329-30133	COG OPERATING LLC	Oil	05637
42-329-30134	Henry Petroleum Corp.	Oil
42-329-30135	COG OPERATING LLC	Oil
42-329-30136	PIONEER NATURAL RES. USA, INC.	Oil	22059
42-329-30137	MERIDIAN OIL CORPORATION	Oil
42-329-30138	MERIDIAN OIL CORPORATION	Oil
42-329-30139	PIONEER NATURAL RES. USA, INC.	Oil	22408
42-329-30141	PIONEER NATURAL RES. USA, INC.	Oil	22415
42-329-30142	DE3 OPERATING LLC	Oil	22416
42-329-30143	DE3 OPERATING LLC	Oil	22347
42-329-30144	DE3 OPERATING LLC	Oil	22066
42-329-30145	PIONEER NATURAL RES. USA, INC.	Oil	22051
42-329-30146	PIONEER NATURAL RES. USA, INC.	Oil	22051
42-329-30147	Apache Corporation	Oil	22441
42-329-30148	PARSLEY ENERGY OPERATIONS, LLC	Oil	22456
42-329-30149	SPUR ENERGY	Oil	22565
42-329-30150	B.L.G. PETROLEUM, INC.	Oil	31057
42-329-30151	DE3 OPERATING LLC	Oil	22522
42-329-30152	JM COX RESOURCES, L.P.	Oil	22210
42-329-30153	MOBIL PRODUCING TX. & N.M. INC.	Gas	053279
42-329-30154	ENDEAVOR ENERGY RESOURCES L.P.	Oil	22576
42-329-30155	BROWN, TOM INC.	Oil	22501
42-329-30156	DE3 OPERATING LLC	Oil	22513
42-329-30157	DE3 OPERATING LLC	Oil	22513
42-329-30158	STEPHENS, AUTRY C.	Oil	22537
42-329-30159	PARKER & PARSLEY	Oil
42-329-30160	PIONEER NATURAL RES. USA, INC.	Oil
42-329-30161	PIONEER NATURAL RES. USA, INC.	Oil	22551
42-329-30163	Henry Petroleum Corp.	Oil
42-329-30165	ENDEAVOR ENERGY RESOURCES L.P.	Oil	22533
42-329-30166	Apache Corporation	Oil	35166
42-329-30167	BETTIS, BOYLE & STOVALL	Oil	22594
42-329-30168	Legacy Reserves Operating LP	Oil	22557
42-329-30169	Legacy Reserves Operating LP	Oil	28593
42-329-30170	DE3 OPERATING LLC	Oil
42-329-30171	Henry Petroleum Corp.	Oil
42-329-30172	Santa Fe Energy Resources, Inc.	Oil
42-329-30173	SHENANDOAH OIL CORP.	Oil
42-329-30174	Cox, John L.	Oil
42-329-30175	PIONEER NATURAL RES. USA, INC.	Oil	22584
42-329-30176	BETTIS, BOYLE & STOVALL	Oil	22657
42-329-30177	ENDEAVOR ENERGY RESOURCES L.P.	Oil	22605
42-329-30178	Apache Corporation	Oil	22441
42-329-30180
42-329-30181	EXXON CORP.	Oil	15628
42-329-30182	PARSLEY ENERGY OPERATIONS, LLC	Oil	22629
42-329-30183	PIONEER NATURAL RES. USA, INC.	Oil	22635
42-329-30184	DE3 OPERATING LLC	Oil	22522
42-329-30185	EXXON CORP.	Oil	21439
42-329-30186	ENDEAVOR ENERGY RESOURCES L.P.	Oil	22649
42-329-30187	PED OIL CORPORATION	Oil	22697
42-329-30188	PED OIL CORPORATION	Oil	22755
42-329-30189	DE3 OPERATING LLC	Oil	22167
42-329-30190	PIONEER NATURAL RES. USA, INC.	Oil	22665
42-329-30191	PIONEER NATURAL RES. USA, INC.	Oil	22677
42-329-30192	Parker & Parsley Development Co.	Oil	22667
42-329-30193	Apache Corporation	Oil	22441
42-329-30194	DEVON ENERGY CORPORATION(NEVADA)	Oil	22855
42-329-30195	ADOBE RESOURCES CORPORATION	Oil	22662
42-329-30196	PIONEER NATURAL RES. USA, INC.	Oil	22818
42-329-30197	Parker & Parsley Development Co.	Oil	22667
42-329-30198	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-30199	ADOBE OIL & GAS CORP.	Oil
42-329-30200	PIONEER NATURAL RES. USA, INC.	Oil	22701
42-329-30201	PIONEER NATURAL RES. USA, INC.	Oil
42-329-30204	Henry Petroleum Corp.	Oil	22931
42-329-30205	PIONEER NATURAL RES. USA, INC.	Oil
42-329-30206	Santa Fe Energy Resources, Inc.	Oil	22552
42-329-30207	MERIT ENERGY COMPANY	Oil	22699
42-329-30208	PIONEER NATURAL RES. USA, INC.	Oil	22752
42-329-30209	PETROLEUM EXPL. & OPER. CORP.	Oil
42-329-30210	PIONEER NATURAL RES. USA, INC.	Oil
42-329-30213	PED OIL CORPORATION	Oil
42-329-30214	STEPHENS, AUTRY C.	Oil	22791
42-329-30215	STEPHENS, AUTRY C.	Oil	22791
42-329-30218	ADOBE RESOURCES CORPORATION	Oil	22662
42-329-30219	MOMENTUM ENERGY, LLC	Oil	22768
42-329-30220	Cox, John L.	Oil
42-329-30221	PIONEER NATURAL RES. USA, INC.	Oil	39990
42-329-30223	DE3 OPERATING LLC	Oil	22825
42-329-30224	DE3 OPERATING LLC	Oil	22347
42-329-30225	PIONEER NATURAL RES. USA, INC.	Oil	22843
42-329-30226	DEVON ENERGY CORPORATION(NEVADA)	Oil
42-329-30227	Houston Oil & Minerals Corp.	Oil	22807
42-329-30228	PIONEER NATURAL RES. USA, INC.	Oil	22584
42-329-30229	PIONEER NATURAL RES. USA, INC.	Oil	22843
42-329-30230	PIONEER NATURAL RES. USA, INC.	Oil	22843
42-329-30231	PARKER & PARSLEY DEVELOPMENT L.P	Oil	22798
42-329-30232	BROWN, TOM INC.	Oil	22895
42-329-30233	BROWN, TOM INC.	Oil
42-329-30234	PIONEER NATURAL RES. USA, INC.	Oil
42-329-30235	Parker & Parsley Development Co.	Oil
42-329-30236	Parker & Parsley Development Co.	Oil	22913
42-329-30237	DE3 OPERATING LLC	Oil	22877
42-329-30238	PARKER & PARSLEY PETROLEUM CO.	Oil
42-329-30239	PARKER & PARSLEY PETROLEUM CO.	Oil
42-329-30240	Parker & Parsley Development Co.	Oil	22912
42-329-30241	PARSLEY ENERGY OPERATIONS, LLC	Oil	22867
42-329-30242	BROWN, TOM INC.	Oil	22895
42-329-30243	BROWN, TOM INC.	Oil
42-329-30244	DE3 OPERATING LLC	Oil	22347
42-329-30245	PARKER & PARSLEY OPERATING LLC	Oil	22932
42-329-30246	PARKER & PARSLEY PETROLEUM CO.	Oil
42-329-30247	MID-STATES OPERATING COMPANY	Oil
42-329-30248	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-30249	Cox, John L.	Oil
42-329-30250	PARKER & PARSLEY PETROLEUM CO.	Oil
42-329-30252	Parker & Parsley Development Co.	Oil
42-329-30253	DE3 OPERATING LLC	Oil	22825
42-329-30254	BROWN, TOM INC.	Oil	23407
42-329-30255	PARKER & PARSLEY PETROLEUM CO.	Oil
42-329-30256	PARSLEY ENERGY OPERATIONS, LLC	Oil	23004
42-329-30257	PIONEER NATURAL RES. USA, INC.	Oil	31128
42-329-30258	PARKER & PARSLEY PETROLEUM CO.	Oil
42-329-30259	Parker & Parsley Development Co.	Oil	23052
42-329-30260	Parker & Parsley Development Co.	Oil
42-329-30261	PIONEER NATURAL RES. USA, INC.	Oil	22584
42-329-30262	PARSLEY ENERGY OPERATIONS, LLC	Oil	33392
42-329-30263	PIONEER NATURAL RES. USA, INC.	Oil
42-329-30264	PIONEER NATURAL RES. USA, INC.	Oil	23085
42-329-30265	KAISER-FRANCIS OIL COMPANY	Oil
42-329-30266	Coquina Oil Corporation	Oil	24352
42-329-30267	PIONEER NATURAL RES. USA, INC.	Oil	23152
42-329-30268	PIONEER NATURAL RES. USA, INC.	Oil	23151
42-329-30269	BROWN, TOM INC.	Oil	23317
42-329-30270	BROWN, TOM INC.	Oil	23150
42-329-30271	OGA OPERATING L.L.C.	Oil	23279
42-329-30272	Cox, John L.	Oil
42-329-30273	PARKER & PARSLEY DEVELOPMENT L.P	Oil	23168
42-329-30274	PARKER & PARSLEY DEVELOPMENT L.P	Oil
42-329-30275	PARKER & PARSLEY OPERATING LLC	Oil	23157
42-329-30276	ENDEAVOR ENERGY RESOURCES L.P.	Oil	31725
42-329-30278	Cox, John L.	Oil
42-329-30279	Parker & Parsley Development Co.	Oil	23204
42-329-30280	ARCH PETROLEUM INC.	Oil
42-329-30281	Cox, John L.	Oil
42-329-30282	PIONEER NATURAL RES. USA, INC.	Oil
42-329-30283	Cox, John L.	Oil
42-329-30286	NORTHSTAR OPERATING COMPANY	Oil	23248
42-329-30287	PARSLEY ENERGY OPERATIONS, LLC	Oil	23245
42-329-30288	Parker & Parsley Development Co.	Oil	23310
42-329-30289	PIONEER NATURAL RES. USA, INC.	Oil	23359
42-329-30290	BROWN, TOM INC.	Oil	23429
42-329-30291	Apache Corporation	Oil	01186
42-329-30293	Apache Corporation	Oil	01186
42-329-30294	PARSLEY ENERGY OPERATIONS, LLC	Oil	23364
42-329-30295	DE3 OPERATING LLC	Oil	23306
42-329-30296	DE3 OPERATING LLC	Oil	23306
42-329-30297	PARKER & PARSLEY PETROLEUM CO.	Oil	31585
42-329-30298	PIONEER NATURAL RES. USA, INC.	Oil
42-329-30299	Cox, John L.	Oil
42-329-30300	Parker & Parsley Development Co.	Oil	23342
42-329-30301	Henry Petroleum Corp.	Oil
42-329-30303	Cox, John L.	Oil
42-329-30304	Parker & Parsley Development Co.	Oil
42-329-30305	BROWN, TOM INC.	Oil	23428
42-329-30306	HENDON EXPLORATION, INC.	Oil
42-329-30307	EOTT ENERGY OPERATING L. P.	Oil	23409
42-329-30309	PARKER & PARSLEY PETROLEUM CO.	Oil	31481
42-329-30310	Henry Petroleum Corp.	Oil
42-329-30311	MIDKIFF, JOHN	Oil	24753
42-329-30312	Cox, John L.	Oil
42-329-30313	PARKER & PARSLEY PETROLEUM CO.	Oil
42-329-30314	Cox, John L.	Oil
42-329-30315	PARKER & PARSLEY OPERATING LLC	Oil	23427
42-329-30316	Apache Corporation	Oil	22441
42-329-30317	DE3 OPERATING LLC	Oil	23393
42-329-30318	MLC CO., INC.	Oil
42-329-30319	Parker & Parsley Development Co.	Oil	22919
42-329-30320	DIAMOND CHEMICALS COMPANY	Oil
42-329-30321	Parker & Parsley Development Co.	Oil	23446
42-329-30322	BASIN CHEMICAL CO., INC.	Oil
42-329-30323	PIONEER NATURAL RES. USA, INC.	Oil	23458
42-329-30324	PIONEER NATURAL RES. USA, INC.	Oil	23524
42-329-30325	DE3 OPERATING LLC	Oil	23422
42-329-30326	PED OIL CORPORATION	Oil	23494
42-329-30327	Cox, John L.	Oil
42-329-30328	PIONEER NATURAL RES. USA, INC.	Oil	23359
42-329-30329	Cox, John L.	Oil
42-329-30331	PED OIL CORPORATION	Oil
42-329-30332	MLC CO., INC.	Oil
42-329-30333	PED OIL CORPORATION	Oil	23494
42-329-30334	ENDEAVOR ENERGY RESOURCES L.P.	Oil	23520
42-329-30335	Henry Petroleum Corp.	Oil	23591
42-329-30336	ENERTEX, INC.	Oil	33795
42-329-30337	ADOBE RESOURCES CORPORATION	Oil
42-329-30338	TEXAS INVESTMENTS	Oil	23578
42-329-30339	ENDEAVOR ENERGY RESOURCES L.P.	Oil	23522
42-329-30340	ENDEAVOR ENERGY RESOURCES L.P.	Oil
42-329-30341	MOBIL PRODUCING TX. & N.M. INC.	Oil	30122
42-329-30343	PIONEER NATURAL RES. USA, INC.	Oil
42-329-30344	ODEN, H. D., INC.	Oil	24874
42-329-30345	Henry Petroleum Corp.	Oil
42-329-30346	Parker & Parsley Development Co.	Oil
42-329-30347	Parker & Parsley Development Co.	Oil	23754
42-329-30348	Cox, John L.	Oil	23635
42-329-30349	PIONEER NATURAL RES. USA, INC.	Oil
42-329-30350	THOMAS EXPLORATION & DEVEL., INC	Oil	08563
42-329-30351	Apache Corporation	Oil	35166
42-329-30352	Parker & Parsley Development Co.	Oil	23718
42-329-30353	Parker & Parsley Development Co.	Oil
42-329-30354	Parker & Parsley Development Co.	Oil	23718
42-329-30357
42-329-30358	DIAMONDBACK E&P LLC	Oil	23889
42-329-30359	PARSLEY ENERGY OPERATIONS, LLC	Oil	24656
42-329-30360	PIONEER NATURAL RES. USA, INC.	Oil	23633
42-329-30361	Cox, John L.	Oil	23635
42-329-30362	PIONEER NATURAL RES. USA, INC.	Oil	23524
42-329-30363	DE3 OPERATING LLC	Oil	25489
42-329-30364	ENDEAVOR ENERGY RESOURCES L.P.	Oil	23782
42-329-30365	PARKER & PARSLEY DEVELOPMENT L.P	Oil	23795
42-329-30366	PIONEER NATURAL RES. USA, INC.	Oil	23818
42-329-30367	DE3 OPERATING LLC	Oil	23851
42-329-30368	SMITH BROTHERS OIL & GAS, INC.	Oil	23935
42-329-30369	CHEVRON U. S. A. INC.	Oil	23970
42-329-30370	XTO ENERGY INC.	Oil	22040
42-329-30371	ARCO OIL & GAS CO.	Oil	26588
42-329-30372	DIAMONDBACK E&P LLC	Oil	23912
42-329-30373	PARKER & PARSLEY DEVELOPMENT L.P	Oil	23857
42-329-30374	PLAINS PETROLEUM OPERATING CO.	Oil	23960
42-329-30375	SMITH BROTHERS OIL & GAS, INC.	Oil	24012
42-329-30376	PIONEER NATURAL RES. USA, INC.	Oil	23961
42-329-30377	PARKER & PARSLEY DEVELOPMENT L.P	Oil	23857
42-329-30378	PARSLEY ENERGY OPERATIONS, LLC	Oil	23904
42-329-30379	SMITH BROTHERS OIL & GAS, INC.	Oil	23935
42-329-30380	MLC CO., INC.	Oil
42-329-30382	BUTLER, KEVIN O.	Oil	24013
42-329-30384	PIONEER NATURAL RES. USA, INC.	Oil	23924
42-329-30385	PIONEER NATURAL RES. USA, INC.	Oil	23961
42-329-30386	BROWN, TOM INC.	Oil	23429
42-329-30387	BROWN, TOM INC.	Oil	23429
42-329-30388	BROWN, TOM INC.	Oil	23429
42-329-30389	PP&E, INC.	Oil
42-329-30390	PP&E, INC.	Oil
42-329-30391	JM COX RESOURCES, L.P.	Oil	23984
42-329-30392	PIONEER NATURAL RES. USA, INC.	Oil	24030
42-329-30393
42-329-30395	JM COX RESOURCES, L.P.	Oil	23984
42-329-30396	ENDEAVOR ENERGY RESOURCES L.P.	Oil	34877
42-329-30398	PARKER & PARSLEY, INC.	Oil
42-329-30400	DIAMONDBACK E&P LLC	Oil
42-329-30401	MOBIL PRODUCING TX. & N.M. INC.	Oil
42-329-30402	PIONEER NATURAL RES. USA, INC.	Oil	24127
42-329-30403	PIONEER NATURAL RES. USA, INC.	Oil	24127
42-329-30404	DIAMONDBACK E&P LLC	Oil	24410
42-329-30405	Parker & Parsley Development Co.	Oil	24165
42-329-30406	MURPHY OIL CORPORATION	Oil	25017
42-329-30407	PARSLEY ENERGY OPERATIONS, LLC	Oil	24204
42-329-30408	MOMENTUM ENERGY, LLC	Oil	24235
42-329-30409	PARKER & PARSLEY OPERATING LLC	Oil	24195
42-329-30410	FLOYD, TIMBER INC.	Oil	24479
42-329-30411	COG OPERATING LLC	Oil	01166
42-329-30412	MOMENTUM ENERGY, LLC	Oil	24235
42-329-30413	Parker & Parsley Development Co.	Oil	24223
42-329-30414	MIDLAND SWD CO.	Oil	25488
42-329-30415	OGA OPERATING L.L.C.	Oil	24270
42-329-30416	DE3 OPERATING LLC	Oil	24312
42-329-30417	Parker & Parsley Development Co.	Oil	24304
42-329-30418	Parker & Parsley Development Co.	Oil	24394
42-329-30419	Parker & Parsley Development Co.	Oil	24394
42-329-30420	MIDLAND SWD CO.	Oil	25488
42-329-30421	MERIT ENERGY COMPANY	Oil	01166
42-329-30422	PRASAD, HARI PRODUCTION CO.	Oil	24555
42-329-30427	PIONEER NATURAL RES. USA, INC.	Oil	24386
42-329-30428	COG OPERATING LLC	Oil	01166
42-329-30429	PIONEER NATURAL RES. USA, INC.	Oil	24852
42-329-30430	PIONEER NATURAL RES. USA, INC.	Oil	24703
42-329-30431	5-POINT-SWD	Oil	24554
42-329-30433
42-329-30434	PARKER & PARSLEY DEVELOPMENT L.P	Oil	24560
42-329-30436	EXXON CORP.	Oil	28422
42-329-30768	JM COX RESOURCES, L.P.	Oil	40384
42-329-30769	NORTHSTAR OPERATING COMPANY	Oil	24682
42-329-30770	TAMARACK PETROLEUM COMPANY, INC.	Oil	24705
42-329-30771	CAMBRIAN MANAGEMENT, LTD.	Oil	24860
42-329-30772	NORTHSTAR OPERATING COMPANY	Oil	24776
42-329-30773	Parker & Parsley Development Co.	Oil	33717
42-329-30774	ENDEAVOR ENERGY RESOURCES L.P.	Oil	24723
42-329-30775	FLOYD, TIMBER INC.	Oil	24924
42-329-30776	TAMARACK PETROLEUM COMPANY, INC.	Oil	24868
42-329-30777	OXY USA INC.	Oil	34635
42-329-30778	HALVEY ENERGY CO.	Oil	24909
42-329-30779	TAMARACK PETROLEUM COMPANY, INC.	Oil	24881
42-329-30780	JM COX RESOURCES, L.P.	Oil	24859
42-329-30781	WILSON, WILLIAM B.	Oil
42-329-30782	TAMARACK PETROLEUM COMPANY, INC.	Oil	24923
42-329-30783	Davis Oil Company
42-329-30784	TAMARACK PETROLEUM COMPANY, INC.	Oil	24918
42-329-30785	COLA PETROLEUM, INC.	Oil	07397
42-329-30786	TAMARACK PETROLEUM COMPANY, INC.	Oil	24919
42-329-30787	TAMARACK PETROLEUM COMPANY, INC.	Oil	24930
42-329-30788	JM COX RESOURCES, L.P.	Oil	40396
42-329-30789	Apache Corporation	Oil	01186
42-329-30790	JM COX RESOURCES, L.P.	Oil	24992
42-329-30791	Texaco Inc.	Oil	29992
42-329-30792	PIONEER NATURAL RES. USA, INC.	Oil	23524
42-329-30793	OXY USA INC.	Gas	283591
42-329-30794	PARKER & PARSLEY, INC.	Oil	25015
42-329-30795	TAMARACK PETROLEUM COMPANY, INC.
42-329-30796	TAMARACK PETROLEUM COMPANY, INC.
42-329-30797	Parker & Parsley Development Co.	Oil	25162
42-329-30798	TRINITY ENVIRO SWD I, L.L.C.	Oil	02683
42-329-30799	OGA OPERATING L.L.C.	Oil	25053
42-329-30800	HALVEY ENERGY CO.	Oil	25211
42-329-30801	JM COX RESOURCES, L.P.	Oil	24949
42-329-30802	Cox, John L.
42-329-30803	PARSLEY ENERGY OPERATIONS, LLC	Oil	25111
42-329-30804	OXY USA INC.	Gas	080922
42-329-30805	CHEVRON U. S. A. INC.	Gas	239230
42-329-30806	MCENA INC.	Oil	07642
42-329-30807	Apache Corporation	Gas	081170
42-329-30808	DE3 OPERATING LLC	Oil	25507
42-329-30809	PARSLEY ENERGY OPERATIONS, LLC	Oil	25154
42-329-30810	MOMENTUM ENERGY CORPORATION	Oil	25163
42-329-30811	OXY USA WTP LP	Oil	15848
42-329-30812	STEPHENS, AUTRY C.	Oil	25293
42-329-30813	ENDEAVOR ENERGY RESOURCES L.P.	Oil	25294
42-329-30814	MWJ PRODUCING COMPANY	Oil	25295
42-329-30815	PARSLEY ENERGY OPERATIONS, LLC	Oil	25259
42-329-30816	PARSLEY ENERGY OPERATIONS, LLC	Oil	25267
42-329-30817	CROWNQUEST OPERATING, LLC	Oil	25586
42-329-30818	PRASAD, HARI PRODUCTION CO.	Oil	25412
42-329-30819
42-329-30820	PARKER & PARSLEY DEVELOPMENT L.P	Oil	07323
42-329-30822	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-30823	CHEVRON U. S. A. INC.	Oil	25505
42-329-30824	MOBIL PRODUCING TX. & N.M. INC.	Oil	06462
42-329-30825	DE3 OPERATING LLC	Oil	25402
42-329-30826	PARSLEY ENERGY OPERATIONS, LLC	Oil	25420
42-329-30827	R K PETROLEUM CORP.
42-329-30828	SNOW OIL & GAS INC.	Oil	25627
42-329-30829	CROWNQUEST OPERATING, LLC	Oil	25586
42-329-30830	Texaco Inc.
42-329-30832	DE3 OPERATING LLC	Oil	25486
42-329-30833	PIONEER NATURAL RES. USA, INC.	Oil	25570
42-329-30834	Apache Corporation	Oil	25590
42-329-30835	Apache Corporation	Oil	25590
42-329-30836	PIONEER NATURAL RES. USA, INC.	Oil	25554
42-329-30837	Parker & Parsley Development Co.	Oil	25562
42-329-30838	PARSLEY ENERGY OPERATIONS, LLC	Oil	25528
42-329-30839	PARKER & PARSLEY ACQ. GROUP LLC	Oil	25499
42-329-30840	Cox, John L.	Oil
42-329-30841	BROWN, TOM INC.	Oil	25669
42-329-30842	TAMARACK PETROLEUM COMPANY, INC.	Oil
42-329-30843	JM COX RESOURCES, L.P.	Oil	40399
42-329-30844	JM COX RESOURCES, L.P.	Oil	40399
42-329-30845	DE3 OPERATING LLC	Oil	25583
42-329-30846	Apache Corporation	Oil	25838
42-329-30847	Apache Corporation	Oil	25871
42-329-30848	PETROHAWK OPERATING COMPANY	Oil	25696
42-329-30849	ENDEAVOR ENERGY RESOURCES L.P.	Oil	25913
42-329-30850	PARSLEY ENERGY OPERATIONS, LLC	Oil	25937
42-329-30851	DE3 OPERATING LLC	Oil	25868
42-329-30852	DE3 OPERATING LLC	Oil	25868
42-329-30853	DE3 OPERATING LLC	Oil	25868
42-329-30854	DE3 OPERATING LLC	Oil
42-329-30855	ENDEAVOR ENERGY RESOURCES L.P.	Oil	25867
42-329-30856	ENDEAVOR ENERGY RESOURCES L.P.	Oil	25867
42-329-30857	Apache Corporation	Oil	25979
42-329-30858	PIONEER NATURAL RES. USA, INC.	Oil	33716
42-329-30859	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-30860	TAMARACK PETROLEUM COMPANY, INC.	Oil
42-329-30861	PIONEER NATURAL RES. USA, INC.	Oil	06390
42-329-30862	EDMAR COMPANY, L.L.C.	Oil	25863
42-329-30863	LACY & BYRD, INC.	Oil	32333
42-329-30864	DE3 OPERATING LLC	Oil	25700
42-329-30865	Apache Corporation	Oil	25814
42-329-30866	Parker & Parsley Development Co.	Oil	31399
42-329-30867	PIONEER NATURAL RES. USA, INC.	Oil	23224
42-329-30868
42-329-30869	DE3 OPERATING LLC	Oil	25749
42-329-30870	CHEVRON U. S. A. INC.	Oil	25800
42-329-30871	PARKER & PARSLEY, INC.	Oil	25719
42-329-30872	DE3 OPERATING LLC	Oil	25782
42-329-30873	KASPAR, A. G.
42-329-30874	PURVIS OPERATING CO.	Oil	26809
42-329-30875	PURVIS OPERATING CO.	Oil	26809
42-329-30876	PURVIS OPERATING CO.	Oil	26241
42-329-30877
42-329-30879	CHEVRON U. S. A. INC.	Oil	25505
42-329-30880	TAMARACK PETROLEUM COMPANY, INC.	Oil
42-329-30881	BRAZOS PETROLEUM CO.	Oil
42-329-30882	PIONEER NATURAL RES. USA, INC.	Oil
42-329-30883	PARSLEY ENERGY OPERATIONS, LLC	Oil	25862
42-329-30884	TAMARACK PETROLEUM COMPANY, INC.	Oil	25941
42-329-30885	PARSLEY ENERGY OPERATIONS, LLC	Oil	25885
42-329-30886	JM COX RESOURCES, L.P.	Oil	40396
42-329-30887	PIONEER NATURAL RES. USA, INC.	Oil	26022
42-329-30888	PIONEER NATURAL RES. USA, INC.	Oil
42-329-30889	CHEVRON U. S. A. INC.	Oil	42250
42-329-30890	PARKER & PARSLEY DEVELOPMENT L.P	Oil	25918
42-329-30891	BLUESTEM ENERGY HOLDINGS, LLC	Oil	42307
42-329-30892	BLUESTEM ENERGY HOLDINGS, LLC	Oil	21356
42-329-30893	NORTHSTAR OPERATING COMPANY	Oil	25954
42-329-30894	TAMARACK PETROLEUM COMPANY, INC.	Oil	26040
42-329-30895	PPC OPERATING COMPANY LLC	Oil	25974
42-329-30896	PPC OPERATING COMPANY LLC	Oil	25974
42-329-30897	BLUESTEM ENERGY HOLDINGS, LLC	Oil	42307
42-329-30898	PIONEER NATURAL RES. USA, INC.	Oil	26188
42-329-30899	PIONEER NATURAL RES. USA, INC.	Oil	26188
42-329-30900	PARKER & PARSLEY DEVELOPMENT L.P	Oil	08664
42-329-30901	PARKER & PARSLEY DEVELOPMENT L.P	Oil	15400
42-329-30902	PPC OPERATING COMPANY LLC	Oil	25974
42-329-30903	BRAZOS PETROLEUM CO.	Oil
42-329-30904	DE3 OPERATING LLC	Oil	25987
42-329-30905	PARSLEY ENERGY OPERATIONS, LLC	Oil	25988
42-329-30906	CHEVRON U. S. A. INC.	Oil	25800
42-329-30907	MOMENTUM ENERGY CORPORATION	Oil	26059
42-329-30908	PIONEER NATURAL RES. USA, INC.	Oil	26086
42-329-30909	Cox, John L.	Oil
42-329-30910	MOMENTUM OPERATING CO., INC.	Oil	25017
42-329-30911	PARKER & PARSLEY DEVELOPMENT L.P	Oil	07359
42-329-30912	MERIT ENERGY COMPANY	Oil	08469
42-329-30913	PIONEER NATURAL RES. USA, INC.	Oil	26060
42-329-30914	PLAINS PETROLEUM OPERATING CO.	Oil	26327
42-329-30915	STEPHENS, AUTRY C.	Oil	26303
42-329-30916	PARSLEY ENERGY OPERATIONS, LLC	Oil	26107
42-329-30917	PARSLEY ENERGY OPERATIONS, LLC	Oil	26108
42-329-30918	PARKER & PARSLEY DEVELOPMENT L.P	Oil	26081
42-329-30919	PARSLEY ENERGY OPERATIONS, LLC	Oil	26083
42-329-30920	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-30921	Cox, John L.	Oil
42-329-30922	Texas American Oil Corp.	Oil	27186
42-329-30923	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-30924	ENDEAVOR ENERGY RESOURCES L.P.	Oil	26349
42-329-30925	ENDEAVOR ENERGY RESOURCES L.P.	Oil	26349
42-329-30926	ENDEAVOR ENERGY RESOURCES L.P.	Oil	21412
42-329-30927	Texaco Inc.	Oil	35794
42-329-30928	PARKER & PARSLEY OPERATING LLC
42-329-30929	PARKER & PARSLEY OPERATING LLC	Oil	26153
42-329-30930	PARSLEY ENERGY OPERATIONS, LLC	Oil	36086
42-329-30931	PARKER & PARSLEY ACQ. GROUP LLC	Oil	26271
42-329-30932	DE3 OPERATING LLC	Oil	26626
42-329-30933	PARKER & PARSLEY PETROLEUM CO.	Oil
42-329-30934	PARSLEY ENERGY OPERATIONS, LLC	Oil	26284
42-329-30935	DE3 OPERATING LLC	Oil	26272
42-329-30936	PARISH, JOHN R.
42-329-30937	DE3 OPERATING LLC	Oil	26304
42-329-30938	Amerada Hess Corporation	Oil	26726
42-329-30939	CHEVRON U. S. A. INC.	Gas	239233
42-329-30940	RELENTLESS PERMIAN OPERATING LLC	Oil	26458
42-329-30941	RELENTLESS PERMIAN OPERATING LLC	Oil	26458
42-329-30942	TAMARACK PETROLEUM COMPANY, INC.	Oil	26409
42-329-30943	BLUESTEM ENERGY HOLDINGS, LLC	Oil	42307
42-329-30944	BLUESTEM ENERGY HOLDINGS, LLC	Oil	21500
42-329-30945	Parker & Parsley Development Co.	Oil	26380
42-329-30946	PARSLEY ENERGY OPERATIONS, LLC	Oil	26331
42-329-30947	PPC OPERATING COMPANY LLC	Oil	25974
42-329-30948	PPC OPERATING COMPANY LLC	Oil	25974
42-329-30949	PPC OPERATING COMPANY LLC	Oil	42307
42-329-30950	BLUESTEM ENERGY HOLDINGS, LLC	Oil	21500
42-329-30951	PARKER & PARSLEY PETROLEUM CO.	Oil
42-329-30952	PARKER & PARSLEY, INC.	Oil	26605
42-329-30953	PRIME OPERATING COMPANY	Oil	26495
42-329-30954	PIONEER NATURAL RES. USA, INC.	Oil	26381
42-329-30955	PIONEER NATURAL RES. USA, INC.	Oil	26086
42-329-30956	MERIT ENERGY COMPANY	Oil	08949
42-329-30957	JM COX RESOURCES, L.P.	Oil	26601
42-329-30958	CHEVRON U. S. A. INC.	Oil	26365
42-329-30959	WILLIAMSON, RALPH E.	Oil	26370
42-329-30960	PARKER & PARSLEY OPERATING LLC	Oil	26461
42-329-30961	PARKER & PARSLEY, INC.
42-329-30962	PARKER & PARSLEY, INC.
42-329-30963	PARKER & PARSLEY DEVELOPMENT L.P	Oil	26417
42-329-30964	BRAZOS PETROLEUM CO.	Oil
42-329-30965	PIONEER NATURAL RES. USA, INC.	Oil	26520
42-329-30966	PIONEER NATURAL RES. USA, INC.	Oil	26381
42-329-30967	PURVIS OPERATING CO.	Oil	26835
42-329-30968	PARKER & PARSLEY PETROLEUM CO.	Oil	29960
42-329-30969	Parker & Parsley Development Co.	Oil	27301
42-329-30970	Texaco Inc.	Oil	36147
42-329-30971	PARSLEY ENERGY OPERATIONS, LLC	Oil	26592
42-329-30972	PARKER & PARSLEY OPERATING LLC	Oil	26410
42-329-30973	DE3 OPERATING LLC	Oil	26477
42-329-30974	PARSLEY ENERGY OPERATIONS, LLC	Oil	26534
42-329-30975	PIONEER NATURAL RES. USA, INC.	Oil	26441
42-329-30976	PARSLEY ENERGY OPERATIONS, LLC	Oil	26469
42-329-30977	CHEVRON U. S. A. INC.	Oil	26734
42-329-30978	PARKER & PARSLEY, INC.	Oil	26477
42-329-30979	PIONEER NATURAL RES. USA, INC.	Oil	36398
42-329-30980	DE3 OPERATING LLC	Oil	21990
42-329-30981	VOGEL, A. J., INC.
42-329-30982	SOHIO PETROLEUM CO.
42-329-30983	GULF ENERGY PRODUCING COMPANY
42-329-30984	Texaco Inc.
42-329-30985	Apache Corporation	Oil	06310
42-329-30986	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-30987	TAMARACK PETROLEUM COMPANY, INC.	Oil	27174
42-329-30988	TAMARACK PETROLEUM COMPANY, INC.	Oil	26721
42-329-30989	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-30990	SUN TEXAS COMPANY
42-329-30991	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-30992	WILLIAMSON, RALPH E.
42-329-30993	MIDKIFF, HUNTER
42-329-30994	HILLIN PROD. CO.	Oil
42-329-30996	PRIME OPERATING COMPANY	Oil	29758
42-329-30997	MOMENTUM ENERGY CORPORATION	Oil	26666
42-329-30998	CHEVRON U. S. A. INC.	Oil	27108
42-329-30999	CHEVRON U. S. A. INC.	Oil	26365
42-329-31000	ACME ENERGY SERVICES, INC.	Oil	36785
42-329-31001	INDIAN WELLS OIL COMPANY
42-329-31002	STEPHENS, AUTRY C.	Oil	26814
42-329-31003	ALLEDER INC.	Oil	26904
42-329-31004	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-31005	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-31006	Texas Crude Oil Co.
42-329-31007	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-31008	PARSLEY ENERGY OPERATIONS, LLC	Oil	26704
42-329-31009	JM COX RESOURCES, L.P.	Oil	40398
42-329-31010
42-329-31011	ARCO OIL & GAS CO.
42-329-31012	PIONEER NATURAL RES. USA, INC.	Oil	26893
42-329-31013	KELLOIL, INC.	Oil
42-329-31014	PIONEER NATURAL RES. USA, INC.	Oil	26877
42-329-31015	PIONEER NATURAL RES. USA, INC.	Oil	26810
42-329-31016	PARKER & PARSLEY DEVELOPMENT L.P	Oil	26947
42-329-31017	PIONEER NATURAL RES. USA, INC.	Oil	26805
42-329-31018	PARKER & PARSLEY, INC.
42-329-31020	SMITH PIPE OF ABILENE	Oil	09111
42-329-31021	PIONEER NATURAL RES. USA, INC.	Oil	26876
42-329-31022	PIONEER NATURAL RES. USA, INC.	Oil	26805
42-329-31023
42-329-31024	Dorchester Exploration, Inc.
42-329-31025	ENDEAVOR ENERGY RESOURCES L.P.	Oil	21513
42-329-31026	PIONEER NATURAL RES. USA, INC.	Oil	26918
42-329-31027	INDIAN WELLS OIL COMPANY	Oil
42-329-31028	Apache Corporation	Oil	01186
42-329-31029	PARKER & PARSLEY, INC.	Oil	27657
42-329-31030	PIONEER NATURAL RES. USA, INC.	Oil	26805
42-329-31031	INDIAN WELLS OIL COMPANY
42-329-31032	ENDEAVOR ENERGY RESOURCES L.P.	Oil	27471
42-329-31033	PIONEER NATURAL RES. USA, INC.	Oil	27051
42-329-31034	ENDEAVOR ENERGY RESOURCES L.P.	Oil	27285
42-329-31035	PIONEER NATURAL RES. USA, INC.	Oil	15400
42-329-31036	Apache Corporation	Oil	27257
42-329-31038	PIONEER NATURAL RES. USA, INC.	Oil	27039
42-329-31039	PIONEER NATURAL RES. USA, INC.	Oil	27079
42-329-31040
42-329-31043	PIONEER NATURAL RES. USA, INC.	Oil	27038
42-329-31044	PIONEER NATURAL RES. USA, INC.	Oil	27079
42-329-31045	PIONEER NATURAL RES. USA, INC.	Oil	27079
42-329-31046	BRAZOS PETROLEUM CO.	Oil
42-329-31047	TEXACO E & P INC.	Oil	34106
42-329-31048	DISCOVERY OPERATING, INC.	Oil	27235
42-329-31049	DISCOVERY OPERATING, INC.	Oil	27516
42-329-31051	COG OPERATING LLC	Oil	39581
42-329-31052	CHEVRON U. S. A. INC.	Oil	26734
42-329-31053	DISCOVERY OPERATING, INC.	Oil	27738
42-329-31054	DISCOVERY OPERATING, INC.	Oil	28130
42-329-31055
42-329-31056	PIONEER NATURAL RES. USA, INC.	Oil	27179
42-329-31057	PARSLEY ENERGY OPERATIONS, LLC	Oil	27171
42-329-31058	ATLANTIC OPERATING, INC.	Oil	39181
42-329-31059	WILSON ENERGY, INC.	Oil	28950
42-329-31060	ATLANTIC OPERATING, INC.	Oil	39181
42-329-31061	TXO Production Corp.	Oil
42-329-31062	ATLANTIC OPERATING, INC.	Oil	39185
42-329-31063	Texas American Oil Corp.
42-329-31064	THOMSON-MONTEITH	Oil	39181
42-329-31065	FASKEN OIL AND RANCH, LTD.	Oil	45317
42-329-31066
42-329-31067
42-329-31068	TEXACO E & P INC.	Oil	27225
42-329-31069	CHEVRON U. S. A. INC.	Oil	27494
42-329-31070	JM COX RESOURCES, L.P.	Oil	27445
42-329-31071	JMW RESOURCES, INC.	Oil	28074
42-329-31072	SMITH BROTHERS OIL & GAS, INC.	Oil	34540
42-329-31073	MEXIA OIL & GAS, INC.
42-329-31074
42-329-31076	DISCOVERY OPERATING, INC.
42-329-31077	DISCOVERY OPERATING, INC.	Oil	27739
42-329-31078	COG OPERATING LLC	Oil	27745
42-329-31079	TEXACO E & P INC.	Oil	36008
42-329-31080	AREA PIPE AND EQUIPMENT	Oil	27622
42-329-31081	TAMARACK PETROLEUM COMPANY, INC.	Oil	28302
42-329-31082	DISCOVERY OPERATING, INC.	Oil	27633
42-329-31083	FASKEN OIL AND RANCH, LTD.	Oil	27765
42-329-31084	CHEVRON U. S. A. INC.	Oil	27585
42-329-31085	ENDEAVOR ENERGY RESOURCES L.P.	Oil	06284
42-329-31086	FASKEN OIL AND RANCH, LTD.	Oil	27765
42-329-31087	PRIME OPERATING COMPANY	Oil	27654
42-329-31088	CHEVRON U. S. A. INC.	Oil	27677
42-329-31089	CHEVRON U. S. A. INC.	Oil	27913
42-329-31090	Union Texas Petroleum Corp.	Oil
42-329-31091	PRIME OPERATING COMPANY	Oil	27654
42-329-31093	PRIME OPERATING COMPANY	Oil	27713
42-329-31094	MIDKIFF, HUNTER
42-329-31095	PIONEER NATURAL RES. USA, INC.	Oil	27761
42-329-31096	ANSCHUTZ CORPORATION, THE	Oil	40275
42-329-31097	PRIME OPERATING COMPANY	Oil	27712
42-329-31098	ATLANTIC OPERATING, INC.	Oil	39184
42-329-31099	PIONEER NATURAL RES. USA, INC.	Oil	27710
42-329-31100	SMITH BROS. CASING PULLERS, INC.	Oil	27797
42-329-31101	TEXACO E & P INC.	Oil	27633
42-329-31102	ATLANTIC OPERATING, INC.	Oil	39183
42-329-31103	PRIME OPERATING COMPANY	Oil	27654
42-329-31104	ENDEAVOR ENERGY RESOURCES L.P.	Oil	27471
42-329-31105	PARSLEY ENERGY OPERATIONS, LLC	Oil	27908
42-329-31106	JM COX RESOURCES, L.P.	Oil	14801
42-329-31107	Cox, John L.	Oil	27725
42-329-31108	CHAPARRAL WATER SYSTEMS	Oil	31546
42-329-31109	Apache Corporation	Oil	01186
42-329-31110	BRAZOS PETROLEUM CO.
42-329-31111	PRIME OPERATING COMPANY	Oil	27713
42-329-31112	PRIME OPERATING COMPANY	Oil	27654
42-329-31113	ENDEAVOR ENERGY RESOURCES L.P.	Oil	21412
42-329-31114	PIONEER NATURAL RES. USA, INC.	Oil	24445
42-329-31115	HENRY PETROLEUM LP	Oil	28535
42-329-31116	PIONEER NATURAL RES. USA, INC.	Oil	27909
42-329-31117	PIONEER NATURAL RES. USA, INC.	Oil	27909
42-329-31118	ENDEAVOR ENERGY RESOURCES L.P.	Gas	128908
42-329-31119	ATLANTIC OPERATING, INC.	Oil	39186
42-329-31120	PIONEER NATURAL RES. USA, INC.	Oil	27903
42-329-31121	ATLANTIC OPERATING, INC.	Oil	45749
42-329-31122	ATLANTIC OPERATING, INC.	Oil	27931
42-329-31123	PRIME OPERATING COMPANY	Oil	27966
42-329-31124	DE3 OPERATING LLC	Oil	27925
42-329-31125	CHEVRON U. S. A. INC.	Gas	142708
42-329-31126	Apache Corporation	Oil	28070
42-329-31127	SMITH BROS. CASING PULLERS, INC.	Oil	27797
42-329-31128	DISCOVERY OPERATING, INC.	Oil	28195
42-329-31129	PIONEER NATURAL RES. USA, INC.	Oil	27952
42-329-31130	PIONEER NATURAL RES. USA, INC.	Oil	27964
42-329-31131	PIONEER NATURAL RES. USA, INC.	Oil	27953
42-329-31132	PIONEER NATURAL RES. USA, INC.	Oil	27904
42-329-31133	MOBIL PRODUCING TX. & N.M. INC.	Oil	39629
42-329-31134	PIONEER NATURAL RES. USA, INC.	Oil	22584
42-329-31136	WILSON SYSTEMS, INC.	Oil	30798
42-329-31137
42-329-31138	XTO ENERGY INC.	Oil	28207
42-329-31139	DISCOVERY OPERATING, INC.	Oil
42-329-31140	Phillips Petroleum Company	Oil	29208
42-329-31141	Dorchester Exploration, Inc.
42-329-31142	CHEVRON U. S. A. INC.	Oil	27677
42-329-31143	JM COX RESOURCES, L.P.	Oil	21939
42-329-31144	TEXACO E & P INC.	Oil	28182
42-329-31145	WILSON ENERGY, INC.
42-329-31146	DISCOVERY OPERATING, INC.	Oil	29039
42-329-31147	JMW RESOURCES, INC.	Oil	28697
42-329-31149	THOMSON-MONTEITH
42-329-31150	THOMSON-MONTEITH
42-329-31151	Henry Petroleum Corp.	Oil	42837
42-329-31152	PRIME OPERATING COMPANY	Oil	27712
42-329-31153	Parker & Parsley Development Co.	Oil
42-329-31154	PLAINS PETROLEUM OPERATING CO.	Oil	31822
42-329-31155	OGR OPERATING CO, INC.	Oil	28447
42-329-31156	ATLANTIC OPERATING, INC.	Oil	27931
42-329-31157	Hanson Operating Company, Inc.	Oil
42-329-31158	MURCHISON OIL & GAS INC	Oil	28382
42-329-31160	PARKER & PARSLEY DEVELOPMENT L.P	Oil	08664
42-329-31161	PRIME OPERATING COMPANY	Oil	27654
42-329-31162	MOJAVE ENERGY
42-329-31163	FASKEN OIL AND RANCH, LTD.	Oil	33664
42-329-31164	DE3 OPERATING LLC	Oil	22066
42-329-31165	PARKER & PARSLEY PETROLEUM CO.	Oil	28378
42-329-31166	Union Texas Petroleum Corp.	Oil	31538
42-329-31167	ANSCHUTZ CORPORATION, THE	Oil
42-329-31168	BRAZOS PETROLEUM CO.
42-329-31170	PIONEER NATURAL RES. USA, INC.	Oil	28280
42-329-31171	SMITH BROS. CASING PULLERS, INC.	Oil	27797
42-329-31172	SOHIO PETROLEUM CO.
42-329-31173	PRIME OPERATING COMPANY	Oil	28330
42-329-31174	Phillips Petroleum Company	Oil	29208
42-329-31175	PIONEER NATURAL RES. USA, INC.	Oil	28348
42-329-31176	Henry Petroleum Corp.	Oil	33084
42-329-31177	PBEX OPERATIONS, LLC	Oil	28346
42-329-31178	PIONEER NATURAL RES. USA, INC.	Oil	28319
42-329-31179	PIONEER NATURAL RES. USA, INC.	Oil	28387
42-329-31180	WILSON ENERGY, INC./LAWLESS
42-329-31181	ANSCHUTZ CORPORATION, THE
42-329-31182	DE3 OPERATING LLC	Oil	28425
42-329-31183	PARKER & PARSLEY, INC.	Oil	28424
42-329-31184	PIONEER NATURAL RES. USA, INC.	Oil	28424
42-329-31185	WILSON ENERGY
42-329-31186	PIONEER NATURAL RES. USA, INC.	Oil	28329
42-329-31187	ANSCHUTZ CORPORATION, THE
42-329-31188	PIONEER NATURAL RES. USA, INC.	Oil	28511
42-329-31189	PIONEER NATURAL RES. USA, INC.	Oil	28419
42-329-31190	PIONEER NATURAL RES. USA, INC.	Oil	28419
42-329-31191	Southland Royalty Company
42-329-31192	JM COX RESOURCES, L.P.	Oil	28553
42-329-31193	ARCO PERMIAN	Oil	10512
42-329-31194	PRIME OPERATING COMPANY	Oil	29819
42-329-31195	BRAZOS PETROLEUM CO.
42-329-31196	PIONEER NATURAL RES. USA, INC.	Oil	30992
42-329-31197	PIONEER NATURAL RES. USA, INC.	Oil	30992
42-329-31198	PIONEER NATURAL RES. USA, INC.	Oil	28860
42-329-31199	ENDEAVOR ENERGY RESOURCES L.P.	Oil	28494
42-329-31200	XTO ENERGY INC.	Oil	28207
42-329-31201	CHEVRON U. S. A. INC.	Oil	27494
42-329-31202	JM COX RESOURCES, L.P.	Oil	14801
42-329-31203	PARKER & PARSLEY, INC.
42-329-31204	PIONEER NATURAL RES. USA, INC.	Oil	28713
42-329-31205	Southland Royalty Company	Oil
42-329-31206	COG OPERATING LLC	Oil	26538
42-329-31207	PRIME OPERATING COMPANY	Oil	27654
42-329-31209	BYRD OPERATING COMPANY	Oil	36161
42-329-31210	BOLGER OPERATING CO.	Oil
42-329-31211	ENDEAVOR ENERGY RESOURCES L.P.	Oil	27471
42-329-31212	PIONEER NATURAL RES. USA, INC.	Oil	28661
42-329-31213	ENDEAVOR ENERGY RESOURCES L.P.	Oil	28534
42-329-31214	FASKEN, BARBARA	Oil	40483
42-329-31215	Henry Petroleum Corp.	Oil	28188
42-329-31216	PIONEER NATURAL RES. USA, INC.	Oil	28713
42-329-31217	PIONEER NATURAL RES. USA, INC.	Oil	28513
42-329-31218	PIONEER NATURAL RES. USA, INC.	Oil	28445
42-329-31219
42-329-31220	PIONEER NATURAL RES. USA, INC.	Oil	28578
42-329-31221	PIONEER NATURAL RES. USA, INC.	Oil	28510
42-329-31222	PIONEER NATURAL RES. USA, INC.	Oil	28574
42-329-31223	PIONEER NATURAL RES. USA, INC.	Oil	28699
42-329-31224	TEXACO E & P INC.	Gas	136432
42-329-31225	BRAZOS PETROLEUM CO.
42-329-31226	LACY & BYRD, INC.	Oil	28904
42-329-31227	PRIME OPERATING COMPANY	Oil	28531
42-329-31228	COG OPERATING LLC	Oil	39629
42-329-31229	HCW EXPLORATION, INC.	Oil	29540
42-329-31230	ATLANTIC OPERATING, INC.	Oil	39184
42-329-31231	PIONEER NATURAL RES. USA, INC.	Oil	28564
42-329-31232	PARKER & PARSLEY PETROLEUM CO.	Oil	23328
42-329-31233	TENNECO OIL CO.
42-329-31234	BAYTECH, INC.	Oil	29688
42-329-31235	XTO ENERGY INC.	Oil	23538
42-329-31236	Henry Petroleum Corp.	Oil	39665
42-329-31237	Graham Royalty, Ltd.	Oil	16196
42-329-31238	M. A. HANNA CO.	Oil	29935
42-329-31239	PARKER & PARSLEY DEVELOPMENT L.P	Oil	28597
42-329-31240	Apache Corporation	Oil	25871
42-329-31241	PIONEER NATURAL RES. USA, INC.	Oil	28577
42-329-31242	PIONEER NATURAL RES. USA, INC.	Oil	28659
42-329-31243	DISCOVERY OPERATING, INC.	Oil	28893
42-329-31244	PIONEER NATURAL RES. USA, INC.	Oil	28696
42-329-31245	PIONEER NATURAL RES. USA, INC.	Oil	28698
42-329-31246	PIONEER NATURAL RES. USA, INC.	Oil	28642
42-329-31247	MARALO, INC.
42-329-31248	Apache Corporation	Oil	25838
42-329-31249	TRINITY ENVIRO SWD I, L.L.C.	Oil	29085
42-329-31250	RP OPERATING, L.L.C.	Oil	28934
42-329-31251	BRAZOS PETROLEUM CO.	Oil	29957
42-329-31252	Apache Corporation	Oil	25590
42-329-31253	Apache Corporation	Oil	25590
42-329-31254	O'NEILL PROPERTIES, LTD.	Oil
42-329-31255	Apache Corporation	Oil	28662
42-329-31256	HNG Oil Company	Oil
42-329-31259	CONTINENTAL U S EXPLORATION, INC
42-329-31260	TAMARACK PETROLEUM COMPANY, INC.	Oil	28677
42-329-31261	PIONEER NATURAL RES. USA, INC.	Oil	21715
42-329-31262	COG OPERATING LLC	Oil	29388
42-329-31263	PIONEER NATURAL RES. USA, INC.	Oil	28712
42-329-31264	CENTERFIRE RESOURCES	Oil	28963
42-329-31265	PARSLEY ENERGY OPERATIONS, LLC	Oil	25528
42-329-31266	PARSLEY ENERGY OPERATIONS, LLC	Oil	25267
42-329-31267	PARKER & PARSLEY, INC.
42-329-31268	PARKER & PARSLEY DEVELOPMENT L.P	Oil	28793
42-329-31269	PIONEER NATURAL RES. USA, INC.	Oil	28811
42-329-31270	PARKER & PARSLEY, INC.	Oil	28811
42-329-31271	DISCOVERY OPERATING, INC.	Oil	29388
42-329-31272	PIONEER NATURAL RES. USA, INC.	Oil	28752
42-329-31273	CHEVRON U. S. A. INC.	Oil	34196
42-329-31274	PIONEER NATURAL RES. USA, INC.	Oil	28752
42-329-31275	XTO ENERGY INC.	Gas	173376
42-329-31276	PIONEER NATURAL RES. USA, INC.	Oil	28734
42-329-31277	PIONEER NATURAL RES. USA, INC.	Oil	28791
42-329-31278	COG OPERATING LLC	Oil	26538
42-329-31279	COG OPERATING LLC	Oil	39630
42-329-31280	COG OPERATING LLC	Oil	11746
42-329-31281	ATLANTIC OPERATING, INC.	Oil	39182
42-329-31282	Apache Corporation	Oil	28844
42-329-31283	COG OPERATING LLC	Oil	28971
42-329-31284	Henry Petroleum Corp.	Oil	29241
42-329-31285	DE3 OPERATING LLC	Oil	28843
42-329-31286	PIONEER NATURAL RES. USA, INC.	Oil	06390
42-329-31287	PIONEER NATURAL RES. USA, INC.	Oil	06390
42-329-31288	CHEVRON U. S. A. INC.	Gas	135428
42-329-31289	HCW EXPLORATION, INC.	Oil	29783
42-329-31290	PIONEER NATURAL RES. USA, INC.	Oil	28949
42-329-31291	XTO ENERGY INC.	Oil	28207
42-329-31292	FASKEN OIL AND RANCH, LTD.	Oil	28997
42-329-31294	SANDERS OIL & GAS CO.
42-329-31295	PIONEER NATURAL RES. USA, INC.	Oil	34156
42-329-31296	PIONEER NATURAL RES. USA, INC.	Oil	06390
42-329-31297	PIONEER NATURAL RES. USA, INC.	Oil	06390
42-329-31298	PIONEER NATURAL RES. USA, INC.	Oil	29651
42-329-31299	SOUTHWEST ROYALTIES, INC.	Oil	34926
42-329-31300	PIONEER NATURAL RES. USA, INC.	Oil	28945
42-329-31301	PIONEER NATURAL RES. USA, INC.	Oil	28945
42-329-31302	PIONEER NATURAL RES. USA, INC.	Oil	06390
42-329-31303	PIONEER NATURAL RES. USA, INC.	Oil	06390
42-329-31304	PIONEER NATURAL RES. USA, INC.	Oil	29044
42-329-31305	PARKER & PARSLEY DEVELOPMENT L.P	Oil	28875
42-329-31306
42-329-31307	SOUTHWEST ROYALTIES, INC.	Oil	29398
42-329-31308	Gulf Oil Corp.
42-329-31309	PRIME OPERATING COMPANY	Oil	28330
42-329-31310	HENDON EXPLORATION, INC.
42-329-31311	DAVIS & CARR ENERGY CO.
42-329-31312	MURCHISON OIL & GAS INC	Oil	37743
42-329-31313	COG OPERATING LLC	Oil	39630
42-329-31314	COG OPERATING LLC	Oil	39630
42-329-31315	PARKER & PARSLEY DEVELOPMENT L.P	Oil	29025
42-329-31316	XTO ENERGY INC.	Oil	28207
42-329-31317	FASKEN OIL AND RANCH, LTD.	Oil	36115
42-329-31318	COG OPERATING LLC	Oil	26538
42-329-31319	COG OPERATING LLC	Oil	26538
42-329-31320	XTO ENERGY INC.	Gas	173519
42-329-31321	COG OPERATING LLC	Oil	26538
42-329-31322	XTO ENERGY INC.	Oil	39630
42-329-31323	OXY USA INC.	Oil	34646
42-329-31324	COG OPERATING LLC	Oil	39630
42-329-31325	COG OPERATING LLC	Oil	26538
42-329-31326	PIONEER NATURAL RES. USA, INC.	Oil	29034
42-329-31327	BOLGER OPERATING CO.	Oil	28766
42-329-31328	PIONEER NATURAL RES. USA, INC.	Oil	29105
42-329-31329	PRIME OPERATING COMPANY	Oil	29019
42-329-31330	DISCOVERY OPERATING, INC.	Oil	29354
42-329-31331	DISCOVERY OPERATING, INC.	Oil	29293
42-329-31332	ENDEAVOR ENERGY RESOURCES L.P.	Oil	29415
42-329-31333	PIONEER NATURAL RES. USA, INC.	Oil	28445
42-329-31334	PIONEER NATURAL RES. USA, INC.	Oil	29075
42-329-31335	PIONEER NATURAL RES. USA, INC.	Oil	29184
42-329-31336	ENDEAVOR ENERGY RESOURCES L.P.	Oil	32652
42-329-31337	PIONEER NATURAL RES. USA, INC.	Oil	29652
42-329-31338	PIONEER NATURAL RES. USA, INC.	Oil	29396
42-329-31339
42-329-31340
42-329-31341	PIONEER NATURAL RES. USA, INC.	Oil	29183
42-329-31342	PARSLEY ENERGY OPERATIONS, LLC	Oil	29124
42-329-31343	SMITH BROS. CASING PULLERS, INC.	Oil	29839
42-329-31344
42-329-31345	Henry Petroleum Corp.	Oil	32394
42-329-31346	PIONEER NATURAL RES. USA, INC.	Oil	29485
42-329-31347	COG OPERATING LLC	Oil	39630
42-329-31348
42-329-31349	DISCOVERY OPERATING, INC.	Oil	29434
42-329-31350	DISCOVERY OPERATING, INC.	Oil	29434
42-329-31351	COG OPERATING LLC	Oil	26538
42-329-31352	COG OPERATING LLC	Oil	39630
42-329-31353	COG OPERATING LLC	Oil	26538
42-329-31354	Apache Corporation	Oil	10968
42-329-31355	PARSLEY ENERGY OPERATIONS, LLC	Oil	29124
42-329-31356	COG OPERATING LLC	Oil	39630
42-329-31357	COG OPERATING LLC	Oil	26538
42-329-31358	COG OPERATING LLC	Oil	11746
42-329-31359	COG OPERATING LLC	Oil	26538
42-329-31360	PIONEER NATURAL RES. USA, INC.	Oil	29182
42-329-31361	COG OPERATING LLC	Oil	26538
42-329-31362	COG OPERATING LLC	Oil	26538
42-329-31363	PIONEER NATURAL RES. USA, INC.	Oil	29260
42-329-31364	PIONEER NATURAL RES. USA, INC.	Oil	29181
42-329-31365	PIONEER NATURAL RES. USA, INC.	Oil	29543
42-329-31366	PIONEER NATURAL RES. USA, INC.	Oil	21715
42-329-31367	PIONEER NATURAL RES. USA, INC.	Oil	29372
42-329-31368	PIONEER NATURAL RES. USA, INC.	Oil	29323
42-329-31369	PIONEER NATURAL RES. USA, INC.	Oil	29612
42-329-31370	PIONEER NATURAL RES. USA, INC.	Oil	29612
42-329-31371	PIONEER NATURAL RES. USA, INC.	Oil	29329
42-329-31372	ENERGEN RESOURCES CORPORATION	Oil	16486
42-329-31373	PIONEER NATURAL RES. USA, INC.	Oil	29229
42-329-31374	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37015
42-329-31375	PIONEER NATURAL RES. USA, INC.	Oil	29221
42-329-31376	OXY USA WTP LP	Oil	29629
42-329-31377	ATLANTIC OPERATING, INC.	Oil	39186
42-329-31378	ATLANTIC OPERATING, INC.	Oil	28876
42-329-31379	PIONEER NATURAL RES. USA, INC.	Oil	06390
42-329-31380	PIONEER NATURAL RES. USA, INC.	Oil	06390
42-329-31381	PIONEER NATURAL RES. USA, INC.	Oil	29371
42-329-31382	PIONEER NATURAL RES. USA, INC.	Oil	29611
42-329-31383	PIONEER NATURAL RES. USA, INC.	Oil	29467
42-329-31384	PIONEER NATURAL RES. USA, INC.	Oil	33957
42-329-31385	PIONEER NATURAL RES. USA, INC.	Oil	29475
42-329-31386	MOBIL PRODUCING TX. & N.M. INC.	Oil	33707
42-329-31387
42-329-31388	HERITAGE STANDARD CORPORATION	Oil	29832
42-329-31389	PIONEER NATURAL RES. USA, INC.	Oil	29316
42-329-31390	PIONEER NATURAL RES. USA, INC.	Oil	29435
42-329-31391	PARKER & PARSLEY, INC.	Oil	29653
42-329-31392	EXXON CORP.	Oil	31234
42-329-31393	EXXON CORP.	Gas	135015
42-329-31395	DE3 OPERATING LLC	Oil	24355
42-329-31396	HAMMAN OIL & REFINING COMPANY	Oil	29931
42-329-31397	OXY USA INC.	Oil	34635
42-329-31398	Cox, John L.
42-329-31399
42-329-31400	PIONEER NATURAL RES. USA, INC.	Oil	29465
42-329-31401	PIONEER NATURAL RES. USA, INC.	Oil	29402
42-329-31402	FASKEN OIL AND RANCH, LTD.	Oil	29230
42-329-31403	OXY USA WTP LP	Oil	34635
42-329-31404	BOLGER OPERATING CO.	Oil	28766
42-329-31405	PIONEER NATURAL RES. USA, INC.	Oil	29464
42-329-31406	PIONEER NATURAL RES. USA, INC.	Oil	29464
42-329-31407	PIONEER NATURAL RES. USA, INC.	Oil	29466
42-329-31408	PIONEER NATURAL RES. USA, INC.	Oil	30222
42-329-31409	ENDEAVOR ENERGY RESOURCES L.P.	Gas	116142
42-329-31410	MLC CO., INC.	Oil	32526
42-329-31411	ENERGEN RESOURCES CORPORATION	Oil	16486
42-329-31412	COG OPERATING LLC	Oil	39585
42-329-31413	PIONEER NATURAL RES. USA, INC.	Oil	29468
42-329-31414	PIONEER NATURAL RES. USA, INC.	Oil	29493
42-329-31415	SOUTHWEST ROYALTIES, INC.	Oil	30399
42-329-31416	OXY USA WTP LP	Gas	282033
42-329-31417	ENDEAVOR ENERGY RESOURCES L.P.	Oil	29541
42-329-31418	ENDEAVOR ENERGY RESOURCES L.P.	Oil	29561
42-329-31419	COG OPERATING LLC	Oil	39585
42-329-31420	COG OPERATING LLC	Oil	39630
42-329-31421	PIONEER NATURAL RES. USA, INC.	Oil	29494
42-329-31422	FASKEN, BARBARA	Oil	34497
42-329-31423	DIAMONDBACK E&P LLC	Oil	29540
42-329-31424	FASKEN OIL AND RANCH, LTD.	Oil	29784
42-329-31425	STEPHENS, AUTRY C.	Oil	30538
42-329-31426	BOLGER OPERATING CO.	Oil	28766
42-329-31427	OGS OPERATING COMPANY, INC.	Oil	30646
42-329-31428	PIONEER NATURAL RES. USA, INC.	Oil	29473
42-329-31429	COG OPERATING LLC	Oil	28971
42-329-31430	COG OPERATING LLC	Oil	39630
42-329-31431	DE3 OPERATING LLC	Oil	29814
42-329-31432	COG OPERATING LLC	Oil	26538
42-329-31433	COG OPERATING LLC	Oil	39630
42-329-31434	COG OPERATING LLC	Oil	11746
42-329-31435	COG OPERATING LLC	Oil	39630
42-329-31436	COG OPERATING LLC	Oil	39630
42-329-31437	PIONEER NATURAL RES. USA, INC.	Oil	29488
42-329-31438	OXY USA INC.	Oil	10194
42-329-31439	CONTINENTAL U S EXPLORATION, INC
42-329-31440	CONTINENTAL U S EXPLORATION, INC
42-329-31441
42-329-31442	PIONEER NATURAL RES. USA, INC.	Oil	29486
42-329-31443	PARSLEY ENERGY OPERATIONS, LLC	Oil	29514
42-329-31444	PIONEER NATURAL RES. USA, INC.	Oil	30961
42-329-31445	PARKER & PARSLEY DEVELOPMENT L.P	Oil	29560
42-329-31446	3-M ENERGY CORPORATION
42-329-31447
42-329-31448	DE3 OPERATING LLC	Oil	29657
42-329-31449	Parker & Parsley Development Co.	Oil	33707
42-329-31450	PIONEER NATURAL RES. USA, INC.	Oil	29710
42-329-31451
42-329-31452	ODESSA EXPLORATION, INC.	Oil	15400
42-329-31453	DE3 OPERATING LLC	Oil	29614
42-329-31454	PARKER & PARSLEY OPERATING LLC	Oil	26153
42-329-31455	GREEN, ROY W. OIL & GAS	Oil	36689
42-329-31456	SANTEX EXPLORATION, INC.	Oil
42-329-31457	SANTA FE MINERALS, INC.	Oil	28346
42-329-31458	BYRD OPERATING COMPANY	Oil	34643
42-329-31459	ENERGEN RESOURCES CORPORATION	Oil	36068
42-329-31460	CHEVRON U. S. A. INC.	Oil	40670
42-329-31461	EXXON CORP.	Oil	31223
42-329-31462	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-31463	PIONEER NATURAL RES. USA, INC.	Oil	33714
42-329-31464	WILSON ENERGY, INC.	Oil	31204
42-329-31465	CHEVRON U. S. A. INC.	Gas	136114
42-329-31466	DE3 OPERATING LLC	Oil	30024
42-329-31467	SANTEX EXPLORATION, INC.	Oil
42-329-31468	FASKEN OIL AND RANCH, LTD.	Oil	29744
42-329-31469	MLC CO., INC.	Oil	32455
42-329-31470	CONTINENTAL U S EXPLORATION, INC
42-329-31471	PIONEER NATURAL RES. USA, INC.	Oil	29916
42-329-31472	MLC CO., INC.
42-329-31473	PIONEER NATURAL RES. USA, INC.	Oil	29616
42-329-31474	Cox, John L.	Oil	29889
42-329-31475	Cox, John L.	Oil	29889
42-329-31476	PIONEER NATURAL RES. USA, INC.	Oil	29709
42-329-31477	COG OPERATING LLC	Oil	11746
42-329-31478	PIONEER NATURAL RES. USA, INC.	Oil	29747
42-329-31479	DISCOVERY OPERATING, INC.	Oil	30004
42-329-31480	PIONEER NATURAL RES. USA, INC.	Oil	37759
42-329-31481	PIONEER NATURAL RES. USA, INC.	Oil	38252
42-329-31482	Apache Corporation	Oil	10968
42-329-31483	PIONEER NATURAL RES. USA, INC.	Oil	30626
42-329-31484	Union Texas Petroleum Corp.	Oil	30589
42-329-31485	ENDEAVOR ENERGY RESOURCES L.P.	Oil	33312
42-329-31486	FASKEN OIL AND RANCH, LTD.	Oil	29826
42-329-31487	EP Operating Company	Oil	31708
42-329-31488	EXXON CORP.
42-329-31489	PIONEER NATURAL RES. USA, INC.	Oil	29811
42-329-31490	BLUESTEM ENERGY HOLDINGS, LLC	Oil
42-329-31491	Parker & Parsley Development Co.	Gas	141681
42-329-31492	OGS OPERATING COMPANY, INC.	Oil	30646
42-329-31493	DIAMONDBACK E&P LLC	Oil	29731
42-329-31494	HCW EXPLORATION, INC.	Oil	30260
42-329-31495	HCW EXPLORATION, INC.
42-329-31496	MLC CO., INC.	Oil	32454
42-329-31497	COG OPERATING LLC	Oil	39630
42-329-31498	COG OPERATING LLC	Oil	26538
42-329-31499	COG OPERATING LLC	Oil	26538
42-329-31500	PIONEER NATURAL RES. USA, INC.	Oil	29402
42-329-31501	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-31502	PIONEER NATURAL RES. USA, INC.	Oil
42-329-31503	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-31504	PIONEER NATURAL RES. USA, INC.	Oil	23633
42-329-31505	ENDEAVOR ENERGY RESOURCES L.P.	Oil	21892
42-329-31506	JMW RESOURCES, INC.	Oil	30602
42-329-31507	HERITAGE RESOURCES, INC.	Oil	36885
42-329-31508	SCOUT ENERGY MANAGEMENT LLC	Oil	40191
42-329-31509	ROSEWOOD RESOURCES, INC.	Oil	33387
42-329-31510	Union Texas Petroleum Corp.
42-329-31511	Texas American Oil Corp.
42-329-31512	CASS OIL COMPANY
42-329-31513	FASKEN, BARBARA	Oil	29967
42-329-31514	FASKEN, BARBARA	Oil	29987
42-329-31515	EXXON CORP.
42-329-31516	Felmont Oil Corp.
42-329-31517	HAMMAN OIL & REFINING COMPANY	Oil
42-329-31518	COG OPERATING LLC	Oil	39627
42-329-31519	CARLOW CORP.	Oil	30099
42-329-31520	PIONEER NATURAL RES. USA, INC.	Oil	22737
42-329-31521	HERITAGE STANDARD CORPORATION	Oil	30020
42-329-31522	PIONEER NATURAL RES. USA, INC.
42-329-31523
42-329-31524	EXXON CORP.
42-329-31525	PIONEER NATURAL RES. USA, INC.	Oil	23365
42-329-31526	PIONEER NATURAL RES. USA, INC.	Oil	33707
42-329-31527	PIONEER NATURAL RES. USA, INC.	Oil	33707
42-329-31528	PIONEER NATURAL RES. USA, INC.	Oil	23365
42-329-31529	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-31530	EXXON CORP.	Oil	06414
42-329-31531	EXXON CORP.
42-329-31532	FASKEN, BARBARA	Oil	30143
42-329-31533	COG OPERATING LLC	Oil	26538
42-329-31534	COG OPERATING LLC	Oil	39630
42-329-31535	EXXON CORP.
42-329-31536	JM COX RESOURCES, L.P.	Oil	21939
42-329-31537	COG OPERATING LLC	Oil	11643
42-329-31538	Parker & Parsley Development Co.	Oil	33708
42-329-31539	PIONEER NATURAL RES. USA, INC.	Oil	29710
42-329-31540	PIONEER NATURAL RES. USA, INC.	Oil	22168
42-329-31541	PIONEER NATURAL RES. USA, INC.	Oil	22840
42-329-31542	PIONEER NATURAL RES. USA, INC.	Oil	33721
42-329-31543	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-31544	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-31545	PIONEER NATURAL RES. USA, INC.	Oil	29402
42-329-31546	EXXON CORP.
42-329-31547	WILSON ENERGY, INC.	Oil	30223
42-329-31548	PIONEER NATURAL RES. USA, INC.	Oil	30034
42-329-31549	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-31550	PARKER & PARSLEY DEVELOPMENT L.P	Gas	136279
42-329-31551	PIONEER NATURAL RES. USA, INC.	Oil	37616
42-329-31552	EXXON CORP.
42-329-31553	EXXON CORP.
42-329-31554	EXXON CORP.	Oil	06414
42-329-31555	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-31556	EXXON CORP.	Oil	36311
42-329-31557
42-329-31558	Coastal Oil & Gas Corporation	Oil	31175
42-329-31559	COG OPERATING LLC	Oil	30230
42-329-31560	PIONEER NATURAL RES. USA, INC.	Oil	37667
42-329-31561	Felmont Oil Corp.	Oil	34424
42-329-31562
42-329-31563
42-329-31564
42-329-31565	PARSLEY ENERGY OPERATIONS, LLC	Oil	29514
42-329-31566	EXXON CORP.
42-329-31567	PIONEER NATURAL RES. USA, INC.	Oil	30259
42-329-31568	PIONEER NATURAL RES. USA, INC.	Oil	30256
42-329-31569	PIONEER NATURAL RES. USA, INC.	Oil	30294
42-329-31570	DIAMONDBACK E&P LLC	Oil	30111
42-329-31571	ENERGEN RESOURCES CORPORATION	Oil	16363
42-329-31572	ENDEAVOR ENERGY RESOURCES L.P.	Oil	29561
42-329-31573	COSTEX RESOURCES, INC.	Oil	39305
42-329-31574	PIONEER NATURAL RES. USA, INC.	Oil	30187
42-329-31575	COG OPERATING LLC	Oil	39627
42-329-31576	EXXON CORP.	Oil	36456
42-329-31577	ARCO PERMIAN	Gas	158530
42-329-31578	MOBIL PRODUCING TX. & N.M. INC.
42-329-31579	MOBIL PRODUCING TX. & N.M. INC.
42-329-31580
42-329-31581	PIONEER NATURAL RES. USA, INC.	Oil	30156
42-329-31582	BYRD OPERATING COMPANY	Oil	28367
42-329-31583	SMITH BROS. CASING PULLERS, INC.	Oil	30303
42-329-31584	Legacy Reserves Operating LP	Oil	30164
42-329-31585	Legacy Reserves Operating LP	Oil	30188
42-329-31586	CHEVRON U. S. A. INC.	Gas	119662
42-329-31587	ROSEWOOD RESOURCES, INC.
42-329-31588	EXXON CORP.
42-329-31589	PIONEER NATURAL RES. USA, INC.	Oil	22255
42-329-31590	BROWN, TOM INC.	Oil	37065
42-329-31591	PIONEER NATURAL RES. USA, INC.	Oil	37616
42-329-31592	DE3 OPERATING LLC	Oil	22167
42-329-31593	ENDEAVOR ENERGY RESOURCES L.P.	Oil	21412
42-329-31594	PIONEER NATURAL RES. USA, INC.	Oil	37700
42-329-31595	PIONEER NATURAL RES. USA, INC.	Oil	30255
42-329-31596	PIONEER NATURAL RES. USA, INC.	Oil	22051
42-329-31597	PIONEER NATURAL RES. USA, INC.	Oil	22051
42-329-31598	PIONEER NATURAL RES. USA, INC.	Oil	23151
42-329-31599	ENDEAVOR ENERGY RESOURCES L.P.	Oil	21412
42-329-31600	EXXON CORP.
42-329-31601	PIONEER NATURAL RES. USA, INC.	Oil	30300
42-329-31602	PIONEER NATURAL RES. USA, INC.	Oil	30255
42-329-31603	MOBIL PRODUCING TX. & N.M. INC.	Oil	31092
42-329-31604	DE3 OPERATING LLC	Oil	30345
42-329-31605	DIAMONDBACK E&P LLC	Oil	30418
42-329-31606	DIAMONDBACK E&P LLC	Oil	30393
42-329-31607	PARKER & PARSLEY PETROLEUM CO.
42-329-31608	BROWN, TOM INC.
42-329-31609	EXXON CORP.	Oil	33773
42-329-31610	PIONEER NATURAL RES. USA, INC.	Oil	30344
42-329-31611	SOUTHWEST ROYALTIES, INC.	Oil	30461
42-329-31612	PIONEER NATURAL RES. USA, INC.	Oil	23365
42-329-31613	PIONEER NATURAL RES. USA, INC.	Oil	23365
42-329-31614	DISCOVERY OPERATING, INC.
42-329-31615	PIONEER NATURAL RES. USA, INC.	Oil	30327
42-329-31616	PIONEER NATURAL RES. USA, INC.	Oil	30327
42-329-31617
42-329-31618	PIONEER NATURAL RES. USA, INC.	Oil	33721
42-329-31619	PIONEER NATURAL RES. USA, INC.	Oil	30784
42-329-31620	PIONEER NATURAL RES. USA, INC.	Oil	33707
42-329-31621	PIONEER NATURAL RES. USA, INC.	Oil	33707
42-329-31622	Apache Corporation	Oil	06309
42-329-31623
42-329-31624	PIONEER NATURAL RES. USA, INC.	Oil	30305
42-329-31625	PIONEER NATURAL RES. USA, INC.	Oil	30328
42-329-31626	PIONEER NATURAL RES. USA, INC.	Oil	33707
42-329-31627	PIONEER NATURAL RES. USA, INC.	Oil	20120
42-329-31628	EXXON CORP.
42-329-31629	PIONEER NATURAL RES. USA, INC.	Oil	42061
42-329-31630	PIONEER NATURAL RES. USA, INC.	Oil	30344
42-329-31631	Cox, John L.	Oil	23635
42-329-31632	DE3 OPERATING LLC	Oil	22522
42-329-31633	PIONEER NATURAL RES. USA, INC.	Oil	30329
42-329-31634	PARKER & PARSLEY PETROLEUM CO.	Oil	30929
42-329-31635	PIONEER NATURAL RES. USA, INC.	Oil	30347
42-329-31636	EXXON CORP.
42-329-31637	Apache Corporation	Oil	06297
42-329-31638	Parker & Parsley Development Co.	Oil	30709
42-329-31639	PIONEER NATURAL RES. USA, INC.	Oil	33722
42-329-31640	PARKER & PARSLEY PETROLEUM CO.	Oil	30423
42-329-31641	Parker & Parsley Development Co.	Oil	30612
42-329-31642	PIONEER NATURAL RES. USA, INC.	Oil	30386
42-329-31643	PIONEER NATURAL RES. USA, INC.	Oil	30381
42-329-31644	PIONEER NATURAL RES. USA, INC.	Oil	27903
42-329-31645	PIONEER NATURAL RES. USA, INC.	Oil	30422
42-329-31646	PIONEER NATURAL RES. USA, INC.	Oil	30384
42-329-31647	PIONEER NATURAL RES. USA, INC.	Oil	30396
42-329-31648	PIONEER NATURAL RES. USA, INC.	Oil	30385
42-329-31649	PIONEER NATURAL RES. USA, INC.	Oil	30422
42-329-31650	PIONEER NATURAL RES. USA, INC.	Oil	06451
42-329-31651	ARCO PERMIAN	Oil	11586
42-329-31652	EXXON CORP.
42-329-31653	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-31654	PIONEER NATURAL RES. USA, INC.	Oil	30397
42-329-31655	EXXON CORP.	Oil	32114
42-329-31656	Parker & Parsley Development Co.	Oil	23609
42-329-31657	PIONEER NATURAL RES. USA, INC.	Oil	30397
42-329-31658	PIONEER NATURAL RES. USA, INC.	Oil	31150
42-329-31659	PIONEER NATURAL RES. USA, INC.	Oil	30971
42-329-31660	MARIENFELD EXPLORATION	Oil	33834
42-329-31661	PIONEER NATURAL RES. USA, INC.	Oil	30512
42-329-31662	Bta Oil Producers	Oil	30715
42-329-31663	PIONEER NATURAL RES. USA, INC.	Oil	30791
42-329-31664	EXXON CORP.
42-329-31665	EXXON CORP.
42-329-31666	EXXON CORP.
42-329-31667	EXXON CORP.
42-329-31668	EXXON CORP.
42-329-31669	WILSON ENERGY, INC.
42-329-31670	PIONEER NATURAL RES. USA, INC.	Oil	30513
42-329-31671	PIONEER NATURAL RES. USA, INC.	Oil	31038
42-329-31672	DE3 OPERATING LLC	Oil	22066
42-329-31673	DE3 OPERATING LLC	Oil	22522
42-329-31674	DE3 OPERATING LLC	Oil	22877
42-329-31675	PIONEER NATURAL RES. USA, INC.	Oil	30608
42-329-31676
42-329-31677	MOBIL PRODUCING TX. & N.M. INC.	Oil	21487
42-329-31678	PIONEER NATURAL RES. USA, INC.	Oil	30661
42-329-31679	ENDEAVOR ENERGY RESOURCES L.P.	Oil	21412
42-329-31680	Cox, John L.	Oil	23635
42-329-31681	PARKER & PARSLEY PETROLEUM CO.	Oil	27657
42-329-31682	PIONEER NATURAL RES. USA, INC.	Oil	30821
42-329-31683	TEMPO ENERGY, INC.	Oil	32107
42-329-31684	ENDEAVOR ENERGY RESOURCES L.P.	Oil	23821
42-329-31685	Parker & Parsley Development Co.	Oil	33708
42-329-31686
42-329-31687	PIONEER NATURAL RES. USA, INC.	Oil	36527
42-329-31688	PIONEER NATURAL RES. USA, INC.	Oil	42060
42-329-31689	PIONEER NATURAL RES. USA, INC.	Oil	52661
42-329-31690	PIONEER NATURAL RES. USA, INC.	Oil	30724
42-329-31691	PIONEER NATURAL RES. USA, INC.	Oil	30724
42-329-31692	DEVONIAN, INC.
42-329-31693	PIONEER NATURAL RES. USA, INC.	Oil	52711
42-329-31694	EXXON CORP.
42-329-31695	HCW EXPLORATION, INC.
42-329-31696	EXXON CORP.
42-329-31697	ENDEAVOR ENERGY RESOURCES L.P.	Oil	30819
42-329-31698	PERMIAN DEEP ROCK OIL CO., LLC	Oil	30814
42-329-31699	EXXON CORP.
42-329-31700	PARKER & PARSLEY PETROLEUM CO.
42-329-31701	PARKER & PARSLEY PETROLEUM CO.
42-329-31702	PIONEER NATURAL RES. USA, INC.	Oil	30607
42-329-31703	PIONEER NATURAL RES. USA, INC.	Oil	30661
42-329-31704	PIONEER NATURAL RES. USA, INC.	Oil	30821
42-329-31705	EXXON CORP.	Oil	30712
42-329-31706	EXXON CORP.
42-329-31707	SAMEDAN OIL CORPORATION
42-329-31708	ENDEAVOR ENERGY RESOURCES L.P.	Oil	30997
42-329-31709	BRANUM PETROLEUM, INC.
42-329-31710	COG OPERATING LLC	Oil	39630
42-329-31711	PIONEER NATURAL RES. USA, INC.	Oil	28445
42-329-31712	PIONEER NATURAL RES. USA, INC.	Oil	23365
42-329-31713	PIONEER NATURAL RES. USA, INC.	Oil	30974
42-329-31714	PIONEER NATURAL RES. USA, INC.	Oil	23365
42-329-31715	PIONEER NATURAL RES. USA, INC.	Oil	23365
42-329-31716	PIONEER NATURAL RES. USA, INC.	Oil	31103
42-329-31717	PIONEER NATURAL RES. USA, INC.	Oil	30880
42-329-31718	PIONEER NATURAL RES. USA, INC.	Oil	33707
42-329-31719	PIONEER NATURAL RES. USA, INC.	Oil	33707
42-329-31720	PIONEER NATURAL RES. USA, INC.	Oil	30850
42-329-31721	PIONEER NATURAL RES. USA, INC.	Oil	30851
42-329-31722	PIONEER NATURAL RES. USA, INC.	Oil	30868
42-329-31723	PIONEER NATURAL RES. USA, INC.	Oil	30835
42-329-31724	PIONEER NATURAL RES. USA, INC.	Oil	30889
42-329-31725	PIONEER NATURAL RES. USA, INC.	Oil	30881
42-329-31726	BRECK OPERATING CORP.	Oil	30899
42-329-31727	CHEVRON U. S. A. INC.	Oil	30884
42-329-31728	PIONEER NATURAL RES. USA, INC.	Oil	30879
42-329-31729	Parker & Parsley Development Co.	Oil	33725
42-329-31730	PIONEER NATURAL RES. USA, INC.	Oil	30909
42-329-31731	PIONEER NATURAL RES. USA, INC.	Oil	30862
42-329-31732	PIONEER NATURAL RES. USA, INC.	Oil	30908
42-329-31733	PIONEER NATURAL RES. USA, INC.	Oil	30912
42-329-31734	PIONEER NATURAL RES. USA, INC.	Oil	31219
42-329-31735	BRANUM PETROLEUM, INC.
42-329-31736	PIONEER NATURAL RES. USA, INC.	Oil	30911
42-329-31737	PIONEER NATURAL RES. USA, INC.	Oil	30913
42-329-31738	PIONEER NATURAL RES. USA, INC.	Oil	30910
42-329-31739	PIONEER NATURAL RES. USA, INC.	Oil	30966
42-329-31740	PIONEER NATURAL RES. USA, INC.	Oil	30943
42-329-31741	ENRON OIL & GAS COMPANY	Oil	32343
42-329-31742	PIONEER NATURAL RES. USA, INC.	Oil	30951
42-329-31743	PIONEER NATURAL RES. USA, INC.	Oil	30966
42-329-31744	PIONEER NATURAL RES. USA, INC.	Oil	30942
42-329-31745	PIONEER NATURAL RES. USA, INC.	Oil	30938
42-329-31746	Parker & Parsley Development Co.	Oil	33708
42-329-31747	PIONEER NATURAL RES. USA, INC.	Oil	30724
42-329-31748	PIONEER NATURAL RES. USA, INC.	Oil	33717
42-329-31749	PIONEER NATURAL RES. USA, INC.	Oil	30983
42-329-31750	PIONEER NATURAL RES. USA, INC.	Oil	30973
42-329-31751	PIONEER NATURAL RES. USA, INC.	Oil	31022
42-329-31752	MOBIL PRODUCING TX. & N.M. INC.
42-329-31753	PIONEER NATURAL RES. USA, INC.	Oil	31007
42-329-31754	PIONEER NATURAL RES. USA, INC.	Oil	31007
42-329-31755	PIONEER NATURAL RES. USA, INC.	Oil	31087
42-329-31756	PIONEER NATURAL RES. USA, INC.	Oil	30964
42-329-31757	PIONEER NATURAL RES. USA, INC.	Oil	31002
42-329-31758	PIONEER NATURAL RES. USA, INC.	Oil	31002
42-329-31759	PIONEER NATURAL RES. USA, INC.	Oil	30981
42-329-31760	PIONEER NATURAL RES. USA, INC.	Oil	30982
42-329-31761	PIONEER NATURAL RES. USA, INC.	Oil	30982
42-329-31762	PIONEER NATURAL RES. USA, INC.	Oil	30981
42-329-31763	ENDEAVOR ENERGY RESOURCES L.P.	Oil	42836
42-329-31764	PIONEER NATURAL RES. USA, INC.	Oil	31052
42-329-31765	PIONEER NATURAL RES. USA, INC.	Oil	31008
42-329-31766	PIONEER NATURAL RES. USA, INC.	Oil	31012
42-329-31767	TEMPO ENERGY, INC.	Oil
42-329-31768	TEMPO ENERGY, INC.	Oil	32126
42-329-31769	ENDEAVOR ENERGY RESOURCES L.P.	Oil	31139
42-329-31770	E R OPERATING COMPANY	Oil	36036
42-329-31771	PIONEER NATURAL RES. USA, INC.	Oil	31018
42-329-31772	PIONEER NATURAL RES. USA, INC.	Oil	31018
42-329-31773	PIONEER NATURAL RES. USA, INC.	Oil	31026
42-329-31774	DE3 OPERATING LLC	Oil	31051
42-329-31775
42-329-31776	PIONEER NATURAL RES. USA, INC.	Oil	31025
42-329-31777	PIONEER NATURAL RES. USA, INC.	Oil	31025
42-329-31778	PIONEER NATURAL RES. USA, INC.	Oil	31061
42-329-31779	CARLOW CORP.	Oil	31099
42-329-31780	OGS OPERATING COMPANY, INC.	Oil	40452
42-329-31781	PIONEER NATURAL RES. USA, INC.	Oil	31163
42-329-31782	PIONEER NATURAL RES. USA, INC.	Oil	31077
42-329-31783	PIONEER NATURAL RES. USA, INC.	Oil	31077
42-329-31784	PIONEER NATURAL RES. USA, INC.	Oil	31077
42-329-31785	PIONEER NATURAL RES. USA, INC.	Oil	31151
42-329-31786	PIONEER NATURAL RES. USA, INC.	Oil	31164
42-329-31787	PIONEER NATURAL RES. USA, INC.	Oil	24963
42-329-31788	PIONEER NATURAL RES. USA, INC.	Oil	31077
42-329-31789	PIONEER NATURAL RES. USA, INC.	Oil	33727
42-329-31790	Parker & Parsley Development Co.	Oil	31202
42-329-31791	PIONEER NATURAL RES. USA, INC.	Oil	31078
42-329-31792	PIONEER NATURAL RES. USA, INC.	Oil	31101
42-329-31793	PIONEER NATURAL RES. USA, INC.	Oil	31100
42-329-31794	Parker & Parsley Development Co.	Oil	33730
42-329-31795	PIONEER NATURAL RES. USA, INC.	Oil	31085
42-329-31796	PIONEER NATURAL RES. USA, INC.	Oil	31075
42-329-31797	PIONEER NATURAL RES. USA, INC.	Oil	31075
42-329-31798	PIONEER NATURAL RES. USA, INC.	Oil	31075
42-329-31799	PIONEER NATURAL RES. USA, INC.	Oil	31075
42-329-31800	PIONEER NATURAL RES. USA, INC.	Oil	23365
42-329-31801	MLC CO., INC.	Oil	32258
42-329-31802	PIONEER NATURAL RES. USA, INC.	Oil	31430
42-329-31803	PIONEER NATURAL RES. USA, INC.	Oil	31222
42-329-31804	PIONEER NATURAL RES. USA, INC.	Oil	31075
42-329-31805	PIONEER NATURAL RES. USA, INC.	Oil	31075
42-329-31806	PIONEER NATURAL RES. USA, INC.	Oil	31228
42-329-31807	PIONEER NATURAL RES. USA, INC.	Oil	31228
42-329-31808	PIONEER NATURAL RES. USA, INC.	Oil	31135
42-329-31809	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-31810	PIONEER NATURAL RES. USA, INC.	Oil	30833
42-329-31811	Legacy Reserves Operating LP	Oil	31482
42-329-31812	PIONEER NATURAL RES. USA, INC.	Oil	31227
42-329-31813	PIONEER NATURAL RES. USA, INC.	Oil	31229
42-329-31814	PIONEER NATURAL RES. USA, INC.	Oil	31243
42-329-31815	PERMIAN DEEP ROCK OIL CO., LLC	Oil	31325
42-329-31816	PIONEER NATURAL RES. USA, INC.	Oil	31335
42-329-31817	PIONEER NATURAL RES. USA, INC.	Oil	31335
42-329-31818	Parker & Parsley Development Co.	Oil	21085
42-329-31819	PIONEER NATURAL RES. USA, INC.	Oil	33707
42-329-31820	PIONEER NATURAL RES. USA, INC.	Oil	31235
42-329-31821	PIONEER NATURAL RES. USA, INC.	Oil	31052
42-329-31822	PIONEER NATURAL RES. USA, INC.	Oil	31554
42-329-31823	PIONEER NATURAL RES. USA, INC.	Oil	31245
42-329-31824	PIONEER NATURAL RES. USA, INC.	Oil	31554
42-329-31825	PIONEER NATURAL RES. USA, INC.	Oil	31235
42-329-31826	EXXON CORP.	Oil	06414
42-329-31827	Apache Corporation	Oil	23648
42-329-31828	Apache Corporation	Oil	06294
42-329-31829	Lario Oil & Gas Company	Oil	31409
42-329-31830
42-329-31831	Primary Fuels, Inc.
42-329-31832
42-329-31833	Primary Fuels, Inc.
42-329-31834	PIONEER NATURAL RES. USA, INC.	Oil	31622
42-329-31835	DIAMONDBACK E&P LLC	Oil	31336
42-329-31836	PARKER & PARSLEY PETROLEUM CO.
42-329-31837	DIAMONDBACK E&P LLC	Oil	31336
42-329-31838	DIAMONDBACK E&P LLC	Oil	31336
42-329-31839	ENDEAVOR ENERGY RESOURCES L.P.	Oil	31303
42-329-31840	BIT WELL SERVICE & CEMENTERS	Oil	31303
42-329-31841	PIONEER NATURAL RES. USA, INC.	Oil	30881
42-329-31842	ENDEAVOR ENERGY RESOURCES L.P.	Oil	31314
42-329-31843	ENERGEN RESOURCES CORPORATION	Oil	31324
42-329-31844	DE3 OPERATING LLC	Oil	31313
42-329-31845	DE3 OPERATING LLC	Oil	31312
42-329-31846	ENDEAVOR ENERGY RESOURCES L.P.	Oil	31366
42-329-31847	Texaco Inc.	Oil	31246
42-329-31848	PIONEER NATURAL RES. USA, INC.	Oil	31243
42-329-31849	CHEVRON U. S. A. INC.	Gas	163330
42-329-31850	GCO DRILLING COMPANY
42-329-31851	PIONEER NATURAL RES. USA, INC.	Oil	33729
42-329-31852	CHEVRON U. S. A. INC.	Oil	31443
42-329-31853	MOBIL PRODUCING TX. & N.M. INC.
42-329-31854	PIONEER NATURAL RES. USA, INC.	Oil	30791
42-329-31855	PIONEER NATURAL RES. USA, INC.	Oil	24963
42-329-31856	PIONEER NATURAL RES. USA, INC.	Oil	33728
42-329-31857	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-31858	PIONEER NATURAL RES. USA, INC.	Oil	31615
42-329-31859	SANTA FE MINERALS, INC.
42-329-31860	DIAMONDBACK E&P LLC	Oil	31481
42-329-31861	DIAMONDBACK E&P LLC	Oil	31356
42-329-31862	DIAMONDBACK E&P LLC	Oil	31356
42-329-31863	DIAMONDBACK E&P LLC	Oil	31380
42-329-31864	DIAMONDBACK E&P LLC	Oil	31380
42-329-31865	DIAMONDBACK E&P LLC	Oil	31380
42-329-31866	ENERGEN RESOURCES CORPORATION	Oil	31400
42-329-31867	DIAMONDBACK E&P LLC	Oil	31391
42-329-31869	ENERGEN RESOURCES CORPORATION	Oil	31874
42-329-31870	PIONEER NATURAL RES. USA, INC.	Oil	31401
42-329-31871	PIONEER NATURAL RES. USA, INC.	Oil	31429
42-329-31872	CHEVRON U. S. A. INC.	Oil	31574
42-329-31873	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-31874	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-31875	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-31876	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-31877	PARKER & PARSLEY PETROLEUM CO.
42-329-31878	PIONEER NATURAL RES. USA, INC.	Oil	31428
42-329-31879	PIONEER NATURAL RES. USA, INC.	Oil	31429
42-329-31880	PIONEER NATURAL RES. USA, INC.	Oil	31428
42-329-31881	PIONEER NATURAL RES. USA, INC.	Oil	31428
42-329-31882	PIONEER NATURAL RES. USA, INC.	Oil	31428
42-329-31883	PARKER & PARSLEY PETROLEUM CO.
42-329-31884	PIONEER NATURAL RES. USA, INC.	Oil	31412
42-329-31885	PIONEER NATURAL RES. USA, INC.	Oil	31645
42-329-31886	PIONEER NATURAL RES. USA, INC.	Oil	31421
42-329-31887	PIONEER NATURAL RES. USA, INC.	Oil	31421
42-329-31888	PIONEER NATURAL RES. USA, INC.	Oil	31411
42-329-31889
42-329-31890	PITTS ENERGY CO.	Oil	16419
42-329-31891	PIONEER NATURAL RES. USA, INC.	Oil	31475
42-329-31892	PIONEER NATURAL RES. USA, INC.	Oil	31439
42-329-31893	PIONEER NATURAL RES. USA, INC.	Oil	31534
42-329-31894	PIONEER NATURAL RES. USA, INC.	Oil	31524
42-329-31895	PIONEER NATURAL RES. USA, INC.	Oil	31524
42-329-31896	PIONEER NATURAL RES. USA, INC.	Oil	31524
42-329-31897	PIONEER NATURAL RES. USA, INC.	Oil	31544
42-329-31898	PIONEER NATURAL RES. USA, INC.	Oil	31544
42-329-31899	PIONEER NATURAL RES. USA, INC.	Oil	31555
42-329-31900	PIONEER NATURAL RES. USA, INC.	Oil	31631
42-329-31901	PIONEER NATURAL RES. USA, INC.	Oil	31631
42-329-31902	PIONEER NATURAL RES. USA, INC.	Oil	31562
42-329-31903	PARKER & PARSLEY PETROLEUM CO.
42-329-31904	BOLGER OPERATING CO.	Oil	28766
42-329-31905	PIONEER NATURAL RES. USA, INC.	Oil	31650
42-329-31906	PIONEER NATURAL RES. USA, INC.	Oil	31650
42-329-31907	DE3 OPERATING LLC	Oil	21990
42-329-31908	PIONEER NATURAL RES. USA, INC.	Oil	31590
42-329-31909	PIONEER NATURAL RES. USA, INC.	Oil	31647
42-329-31910	PIONEER NATURAL RES. USA, INC.	Oil	31647
42-329-31911	PIONEER NATURAL RES. USA, INC.	Oil	31657
42-329-31912	OXY USA WTP LP	Oil	15862
42-329-31913	PIONEER NATURAL RES. USA, INC.	Oil	31632
42-329-31914	PIONEER NATURAL RES. USA, INC.	Oil	31586
42-329-31915	PIONEER NATURAL RES. USA, INC.	Oil	31523
42-329-31916	PIONEER NATURAL RES. USA, INC.	Oil	31627
42-329-31917	DIAMONDBACK E&P LLC	Oil	31481
42-329-31918	PIONEER NATURAL RES. USA, INC.	Oil	31646
42-329-31919	PIONEER NATURAL RES. USA, INC.	Oil	31631
42-329-31920	DE3 OPERATING LLC	Oil	31605
42-329-31921	DE3 OPERATING LLC	Oil	31605
42-329-31922	PIONEER NATURAL RES. USA, INC.	Oil	31556
42-329-31923	PIONEER NATURAL RES. USA, INC.	Oil	31556
42-329-31924	PIONEER NATURAL RES. USA, INC.	Oil	31773
42-329-31925	Hunt Oil Company	Oil	06398
42-329-31926	ENDEAVOR ENERGY RESOURCES L.P.	Oil	31547
42-329-31927	PIONEER NATURAL RES. USA, INC.	Oil	31604
42-329-31928	PIONEER NATURAL RES. USA, INC.	Oil	31604
42-329-31929	PIONEER NATURAL RES. USA, INC.	Oil	31646
42-329-31930	PIONEER NATURAL RES. USA, INC.	Oil	31576
42-329-31931	PIONEER NATURAL RES. USA, INC.	Oil	31643
42-329-31932	PIONEER NATURAL RES. USA, INC.	Oil	67979
42-329-31933	PIONEER NATURAL RES. USA, INC.	Oil	31746
42-329-31934	PIONEER NATURAL RES. USA, INC.	Oil	31634
42-329-31935	PIONEER NATURAL RES. USA, INC.	Oil	31634
42-329-31936
42-329-31937	PERMIAN DEEP ROCK OIL CO., LLC	Oil	31743
42-329-31938	PARKER & PARSLEY PETROLEUM CO.
42-329-31939	PIONEER NATURAL RES. USA, INC.	Oil	31643
42-329-31940	PIONEER NATURAL RES. USA, INC.	Oil	31668
42-329-31941	PIONEER NATURAL RES. USA, INC.	Oil	31428
42-329-31942	PIONEER NATURAL RES. USA, INC.	Oil	31428
42-329-31943	PIONEER NATURAL RES. USA, INC.	Oil	31648
42-329-31944	PIONEER NATURAL RES. USA, INC.	Oil	31578
42-329-31945	PIONEER NATURAL RES. USA, INC.	Oil	31585
42-329-31946	PIONEER NATURAL RES. USA, INC.	Oil	31635
42-329-31947	PIONEER NATURAL RES. USA, INC.	Oil	31648
42-329-31948	PIONEER NATURAL RES. USA, INC.	Oil	31694
42-329-31949	PIONEER NATURAL RES. USA, INC.	Oil	31816
42-329-31950	MWJ PRODUCING COMPANY	Oil	31597
42-329-31951	PIONEER NATURAL RES. USA, INC.	Oil	31642
42-329-31952	ENDEAVOR ENERGY RESOURCES L.P.	Oil	33817
42-329-31953	HILLIN PROD. CO.
42-329-31954	Lario Oil & Gas Company	Oil	35981
42-329-31955	PIONEER NATURAL RES. USA, INC.	Oil	31675
42-329-31956	PIONEER NATURAL RES. USA, INC.	Oil	31614
42-329-31957	DE3 OPERATING LLC	Oil	31616
42-329-31958	STEPHENS, AUTRY C.	Oil	33820
42-329-31959	PIONEER NATURAL RES. USA, INC.	Oil	31642
42-329-31960	PIONEER NATURAL RES. USA, INC.	Oil	31614
42-329-31961	DIAMONDBACK E&P LLC	Oil	31380
42-329-31962	DE3 OPERATING LLC	Oil	31664
42-329-31963	PIONEER NATURAL RES. USA, INC.	Oil	31694
42-329-31964	PIONEER NATURAL RES. USA, INC.	Oil	31721
42-329-31965	PARKER & PARSLEY PETROLEUM CO.
42-329-31966	DE3 OPERATING LLC	Oil	31697
42-329-31967	PARSLEY ENERGY OPERATIONS, LLC	Oil	31728
42-329-31968	PIONEER NATURAL RES. USA, INC.	Oil	31663
42-329-31969	PIONEER NATURAL RES. USA, INC.	Oil	31663
42-329-31970	PIONEER NATURAL RES. USA, INC.	Oil	31669
42-329-31971	PIONEER NATURAL RES. USA, INC.	Oil	31669
42-329-31972	PIONEER NATURAL RES. USA, INC.	Oil	31712
42-329-31973	PIONEER NATURAL RES. USA, INC.	Oil	31712
42-329-31974	PIONEER NATURAL RES. USA, INC.	Oil	31695
42-329-31975	DE3 OPERATING LLC	Oil	31697
42-329-31976	CHEVRON U. S. A. INC.	Oil	31246
42-329-31977	PIONEER NATURAL RES. USA, INC.	Oil	31695
42-329-31978	PIONEER NATURAL RES. USA, INC.	Oil	31736
42-329-31979	PIONEER NATURAL RES. USA, INC.	Oil	31736
42-329-31980	PIONEER NATURAL RES. USA, INC.	Oil	31859
42-329-31981	BOLGER OPERATING CO.	Oil	28561
42-329-31982	PIONEER NATURAL RES. USA, INC.	Oil	31092
42-329-31983	SUN EXPL. & PROD. CO.-MIDLAND
42-329-31984	OXY USA WTP LP	Oil	15862
42-329-31985	OXY USA WTP LP	Oil	15862
42-329-31986	PIONEER NATURAL RES. USA, INC.	Oil	31748
42-329-31987	DE3 OPERATING LLC	Oil	31881
42-329-31988	Cox, John L.	Gas	145712
42-329-31989	PIONEER NATURAL RES. USA, INC.	Oil	31938
42-329-31990	ENDEAVOR ENERGY RESOURCES L.P.	Oil	31814
42-329-31991	ENDEAVOR ENERGY RESOURCES L.P.	Oil	31814
42-329-31992	PIONEER NATURAL RES. USA, INC.	Oil	31938
42-329-31993	ENDEAVOR ENERGY RESOURCES L.P.	Oil	31547
42-329-31994	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-31995	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36783
42-329-31996	PIONEER NATURAL RES. USA, INC.	Oil	22584
42-329-31997	PIONEER NATURAL RES. USA, INC.	Oil	22584
42-329-31998	EXXON CORP.	Oil	31471
42-329-31999	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-32000	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-32001	EXXON CORP.	Oil	31471
42-329-32002	PIONEER NATURAL RES. USA, INC.	Oil	22059
42-329-32003	CHEVRON U. S. A. INC.	Oil	31246
42-329-32004	MLC CO., INC.
42-329-32005	ENDEAVOR ENERGY RESOURCES L.P.	Oil	32032
42-329-32006	PARKER & PARSLEY PETROLEUM CO.
42-329-32007	DAVIS & CARR ENERGY CO.	Oil	33427
42-329-32008	PIONEER NATURAL RES. USA, INC.	Oil	06462
42-329-32009	PIONEER NATURAL RES. USA, INC.	Oil	31954
42-329-32010	DE3 OPERATING LLC	Oil	31955
42-329-32011	DE3 OPERATING LLC	Oil	31955
42-329-32012	OXY USA WTP LP	Oil	15862
42-329-32013	OXY USA WTP LP	Oil	15862
42-329-32014	PIONEER NATURAL RES. USA, INC.	Oil	22059
42-329-32015	PARKER & PARSLEY PETROLEUM CO.	Oil	31925
42-329-32016	PARKER & PARSLEY PETROLEUM CO.
42-329-32017	PIONEER NATURAL RES. USA, INC.	Oil	31971
42-329-32018	PIONEER NATURAL RES. USA, INC.	Oil	31952
42-329-32019	PIONEER NATURAL RES. USA, INC.	Oil	31962
42-329-32020	PIONEER NATURAL RES. USA, INC.	Oil	31962
42-329-32021	PIONEER NATURAL RES. USA, INC.	Oil	31952
42-329-32022	PARKER & PARSLEY PETROLEUM CO.
42-329-32023
42-329-32024	OXY USA WTP LP	Oil	15862
42-329-32025	DE3 OPERATING LLC	Oil	32005
42-329-32026	PIONEER NATURAL RES. USA, INC.	Oil	31953
42-329-32027	PIONEER NATURAL RES. USA, INC.	Oil	31944
42-329-32028	PIONEER NATURAL RES. USA, INC.	Oil	31944
42-329-32029	PARKER & PARSLEY PETROLEUM CO.
42-329-32030	PIONEER NATURAL RES. USA, INC.	Oil	31998
42-329-32031	PIONEER NATURAL RES. USA, INC.	Oil	31998
42-329-32032	PIONEER NATURAL RES. USA, INC.	Oil	32041
42-329-32033	DE3 OPERATING LLC	Oil	32062
42-329-32034	PARKER & PARSLEY DEVELOPMENT L.P	Oil	32125
42-329-32035	PIONEER NATURAL RES. USA, INC.	Oil	32078
42-329-32036	STRATCO OPERATING CO., INC.	Oil	32045
42-329-32037	PIONEER NATURAL RES. USA, INC.	Oil	32110
42-329-32038	PIONEER NATURAL RES. USA, INC.	Oil	32110
42-329-32039	PIONEER NATURAL RES. USA, INC.	Oil	31944
42-329-32040	PIONEER NATURAL RES. USA, INC.	Oil	31944
42-329-32041	STEPHENS, AUTRY C.	Oil	12581
42-329-32042	PIONEER NATURAL RES. USA, INC.	Oil	32175
42-329-32043	PIONEER NATURAL RES. USA, INC.	Oil	32121
42-329-32044	TEMPO ENERGY, INC.	Oil	32048
42-329-32045	PIONEER NATURAL RES. USA, INC.	Oil	32117
42-329-32046	PIONEER NATURAL RES. USA, INC.	Oil	32115
42-329-32047
42-329-32048	Sun Exploration & Production Co.
42-329-32049	PIONEER NATURAL RES. USA, INC.	Oil	32135
42-329-32050	PIONEER NATURAL RES. USA, INC.	Oil	32064
42-329-32051	PIONEER NATURAL RES. USA, INC.	Oil	32064
42-329-32052	PARKER & PARSLEY PETROLEUM CO.
42-329-32053	NM-YATES PET.
42-329-32054	MOBIL PRODUCING TX. & N.M. INC.
42-329-32055	CHEVRON U. S. A. INC.	Oil	32075
42-329-32056	PIONEER NATURAL RES. USA, INC.	Oil	32134
42-329-32057	PIONEER NATURAL RES. USA, INC.	Oil	32134
42-329-32058	PIONEER NATURAL RES. USA, INC.	Oil	32220
42-329-32059	ENERGEN RESOURCES CORPORATION	Oil	32083
42-329-32060	PIONEER NATURAL RES. USA, INC.	Oil	32181
42-329-32061	PIONEER NATURAL RES. USA, INC.	Oil	32122
42-329-32062	PARKER & PARSLEY PETROLEUM CO.
42-329-32063	DE3 OPERATING LLC	Oil	32188
42-329-32064	PIONEER NATURAL RES. USA, INC.	Oil	32238
42-329-32065	PIONEER NATURAL RES. USA, INC.	Oil	32145
42-329-32066	OXY USA INC.
42-329-32067	OXY USA INC.
42-329-32068	OXY USA WTP LP	Oil	15862
42-329-32069
42-329-32070	OXY USA WTP LP	Oil	15862
42-329-32071	OXY USA WTP LP	Oil	15862
42-329-32072	OXY USA WTP LP	Oil	15862
42-329-32073	OXY USA INC.
42-329-32074	Legacy Reserves Operating LP	Gas	130532
42-329-32075	OXY USA WTP LP	Oil	31940
42-329-32076	OXY USA WTP LP	Oil	31940
42-329-32077	OXY USA WTP LP	Oil	31940
42-329-32078	PIONEER NATURAL RES. USA, INC.	Oil	32149
42-329-32079	PIONEER NATURAL RES. USA, INC.	Oil	32147
42-329-32080	PIONEER NATURAL RES. USA, INC.	Oil	32147
42-329-32081	DE3 OPERATING LLC	Oil	32206
42-329-32082	HANLEY PETROLEUM INC.	Oil	32252
42-329-32083	PIONEER NATURAL RES. USA, INC.	Oil	32467
42-329-32084	PIONEER NATURAL RES. USA, INC.	Oil	32144
42-329-32085	PIONEER NATURAL RES. USA, INC.	Oil	32235
42-329-32086	PIONEER NATURAL RES. USA, INC.	Oil	32222
42-329-32087	PIONEER NATURAL RES. USA, INC.	Oil	32225
42-329-32088	PIONEER NATURAL RES. USA, INC.	Oil	32237
42-329-32089	PIONEER NATURAL RES. USA, INC.	Oil	32174
42-329-32090	PIONEER NATURAL RES. USA, INC.	Oil	32239
42-329-32091	PIONEER NATURAL RES. USA, INC.	Oil	32248
42-329-32092	PIONEER NATURAL RES. USA, INC.	Oil	32236
42-329-32093	PIONEER NATURAL RES. USA, INC.	Oil	32243
42-329-32094	PIONEER NATURAL RES. USA, INC.	Oil	32207
42-329-32095	ENDEAVOR ENERGY RESOURCES L.P.	Oil	38615
42-329-32096	PARKER & PARSLEY PETROLEUM CO.
42-329-32097	LANGHAM PETROLEUM EXPL. CORP.	Oil	21903
42-329-32098	OXY USA WTP LP	Oil	31940
42-329-32099	DAVIS & CARR ENERGY CO.	Oil	32563
42-329-32100	XTO ENERGY INC.	Gas	133559
42-329-32101	CHEVRON U. S. A. INC.	Oil	32075
42-329-32102	OXY USA WTP LP	Oil	31940
42-329-32103	OXY USA INC.
42-329-32104
42-329-32105	OXY USA WTP LP	Oil	31940
42-329-32106	OXY USA INC.
42-329-32107	DE3 OPERATING LLC	Oil	32302
42-329-32108	TEXACO E & P INC.	Oil	32303
42-329-32109	Legacy Reserves Operating LP	Gas	131506
42-329-32110	MERIT ENERGY COMPANY	Oil	32252
42-329-32111	XTO ENERGY INC.	Oil	32295
42-329-32112	XTO ENERGY INC.	Oil	32293
42-329-32113
42-329-32114	XTO ENERGY INC.	Oil	32293
42-329-32115	MLC CO., INC.	Oil	32294
42-329-32116	XTO ENERGY INC.	Oil	32293
42-329-32117	Texaco Inc.
42-329-32118	MLC CO., INC.
42-329-32119	MIDKIFF, JOHN	Oil	32300
42-329-32120	XTO ENERGY INC.	Oil	32295
42-329-32121	ENERGAS COMPANY
42-329-32122	ENERGAS COMPANY
42-329-32123	XTO ENERGY INC.	Oil	32336
42-329-32124	XTO ENERGY INC.	Oil	32336
42-329-32125	XTO ENERGY INC.	Oil	32295
42-329-32126	XTO ENERGY INC.	Oil	32295
42-329-32127	XTO ENERGY INC.	Oil	32295
42-329-32128	XTO ENERGY INC.	Oil	32295
42-329-32129	XTO ENERGY INC.	Oil	32295
42-329-32130	XTO ENERGY INC.	Oil	32295
42-329-32131	XTO ENERGY INC.	Oil	32295
42-329-32132	XTO ENERGY INC.	Oil	32336
42-329-32133	XTO ENERGY INC.	Oil	32336
42-329-32134	XTO ENERGY INC.	Oil	32336
42-329-32135	XTO ENERGY INC.	Oil	32336
42-329-32136	XTO ENERGY INC.	Oil	32336
42-329-32137	XTO ENERGY INC.	Oil	32336
42-329-32138	ENDEAVOR ENERGY RESOURCES L.P.	Oil	39198
42-329-32139	PIONEER NATURAL RES. USA, INC.	Oil	32135
42-329-32140	PIONEER NATURAL RES. USA, INC.	Oil	24030
42-329-32141	PARSLEY ENERGY OPERATIONS, LLC	Oil	32458
42-329-32142	PIONEER NATURAL RES. USA, INC.	Oil	23961
42-329-32143	PIONEER NATURAL RES. USA, INC.	Oil	23961
42-329-32144	XTO ENERGY INC.	Oil	22040
42-329-32145	XTO ENERGY INC.	Oil	22040
42-329-32146	COG OPERATING LLC	Oil	28535
42-329-32147	PIONEER NATURAL RES. USA, INC.	Oil	32413
42-329-32148	PIONEER NATURAL RES. USA, INC.	Oil	22276
42-329-32149	PIONEER NATURAL RES. USA, INC.	Oil	22276
42-329-32150	XTO ENERGY INC.	Oil	32407
42-329-32151	XTO ENERGY INC.	Oil	32407
42-329-32152	XTO ENERGY INC.	Oil	32407
42-329-32153	XTO ENERGY INC.	Oil	32407
42-329-32154	XTO ENERGY INC.	Oil	32407
42-329-32155	XTO ENERGY INC.	Oil	32407
42-329-32156	XTO ENERGY INC.	Oil	32407
42-329-32157	XTO ENERGY INC.	Oil	32407
42-329-32158	XTO ENERGY INC.	Oil	32407
42-329-32159	PIONEER NATURAL RES. USA, INC.	Oil	32467
42-329-32160	PIONEER NATURAL RES. USA, INC.	Oil	32477
42-329-32161	PIONEER NATURAL RES. USA, INC.	Oil	32437
42-329-32162	XTO ENERGY INC.	Oil	32973
42-329-32163	PIONEER NATURAL RES. USA, INC.	Oil	32550
42-329-32164	PIONEER NATURAL RES. USA, INC.	Oil	33707
42-329-32165	XTO ENERGY INC.	Oil	32973
42-329-32166	XTO ENERGY INC.	Oil	32973
42-329-32167	MLC CO., INC.
42-329-32168	XTO ENERGY INC.	Oil	32973
42-329-32169	PIONEER NATURAL RES. USA, INC.	Oil	32465
42-329-32170	PIONEER NATURAL RES. USA, INC.	Oil	32461
42-329-32171	XTO ENERGY INC.	Oil	32973
42-329-32172	XTO ENERGY INC.	Oil	32973
42-329-32173	Phillips Petroleum Company
42-329-32174	DE3 OPERATING LLC	Oil	32463
42-329-32175	PIONEER NATURAL RES. USA, INC.	Oil	23365
42-329-32176	COG OPERATING LLC	Oil	04116
42-329-32177	PIONEER NATURAL RES. USA, INC.	Oil	32464
42-329-32178	El Paso Natural Gas Company
42-329-32179	DE3 OPERATING LLC	Oil	32498
42-329-32180	SAMEDAN OIL CORPORATION
42-329-32181	MOBIL PRODUCING TX. & N.M. INC.	Gas	172691
42-329-32182	OXY USA WTP LP	Oil	15862
42-329-32183	OXY USA WTP LP	Oil	15862
42-329-32184	OXY USA WTP LP	Oil	15862
42-329-32185	OXY USA WTP LP	Oil	15862
42-329-32186	OXY USA WTP LP	Oil	15862
42-329-32187	OXY USA WTP LP	Oil	15862
42-329-32188	PIONEER NATURAL RES. USA, INC.	Oil	32562
42-329-32189	PIONEER NATURAL RES. USA, INC.	Oil	32511
42-329-32190	El Paso Natural Gas Company
42-329-32191	COG OPERATING LLC	Oil	32566
42-329-32192	DE3 OPERATING LLC	Oil	32507
42-329-32193	LONE STAR GAS CO.
42-329-32194	ENDEAVOR ENERGY RESOURCES L.P.	Oil	32382
42-329-32195	ENDEAVOR ENERGY RESOURCES L.P.	Oil	32602
42-329-32196	ENDEAVOR ENERGY RESOURCES L.P.	Oil	32602
42-329-32197	PIONEER NATURAL RES. USA, INC.	Oil	32529
42-329-32198	PIONEER NATURAL RES. USA, INC.	Oil	32529
42-329-32199	DE3 OPERATING LLC	Oil	32560
42-329-32200	XTO ENERGY INC.	Oil	32643
42-329-32201	PIONEER NATURAL RES. USA, INC.	Oil	32598
42-329-32202	PIONEER NATURAL RES. USA, INC.	Oil	32598
42-329-32203	PIONEER NATURAL RES. USA, INC.	Oil	32644
42-329-32204	XTO ENERGY INC.	Oil	12835
42-329-32205	PIONEER NATURAL RES. USA, INC.	Oil	32596
42-329-32206	PIONEER NATURAL RES. USA, INC.	Oil	32558
42-329-32207	COG OPERATING LLC	Oil	05637
42-329-32208	COG OPERATING LLC	Oil	05637
42-329-32209	PIONEER NATURAL RES. USA, INC.	Oil	32601
42-329-32210	Great Western Drilling Company	Oil	33736
42-329-32211	PIONEER NATURAL RES. USA, INC.	Oil	32601
42-329-32212	PIONEER NATURAL RES. USA, INC.	Oil	32623
42-329-32213
42-329-32214	XTO ENERGY INC.	Gas	137055
42-329-32215	XTO ENERGY INC.	Gas	137054
42-329-32216	XTO ENERGY INC.	Gas	138177
42-329-32217	XTO ENERGY INC.	Gas	138178
42-329-32218	Cox, John L.	Oil	40400
42-329-32219	NORTHSTAR OPERATING COMPANY	Oil	19171
42-329-32220	DIAMONDBACK E&P LLC	Oil	32168
42-329-32221	ENDEAVOR ENERGY RESOURCES L.P.	Oil	32394
42-329-32222	COG OPERATING LLC	Oil	01178
42-329-32223	COG OPERATING LLC	Oil	15143
42-329-32224	COG OPERATING LLC	Oil	01178
42-329-32225	OXY USA WTP LP	Oil	31940
42-329-32226	OXY USA WTP LP	Oil	31940
42-329-32227	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32228	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32229	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32230	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32231	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32232	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32233	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32234	PIONEER NATURAL RES. USA, INC.	Oil	32656
42-329-32235	ENERGAS COMPANY
42-329-32236	ENERGAS COMPANY
42-329-32237	ENERGAS COMPANY
42-329-32238	PIONEER NATURAL RES. USA, INC.	Oil	32856
42-329-32239	PIONEER NATURAL RES. USA, INC.	Oil	32836
42-329-32240	PIONEER NATURAL RES. USA, INC.	Oil	32802
42-329-32241	PIONEER NATURAL RES. USA, INC.	Oil	32670
42-329-32242	PIONEER NATURAL RES. USA, INC.	Oil	32653
42-329-32243	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32244	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32245	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32246	PIONEER NATURAL RES. USA, INC.	Oil	32657
42-329-32247	PARKER & PARSLEY, LTD.
42-329-32248	PARKER & PARSLEY, LTD.
42-329-32249	Henry Petroleum Corp.	Oil	32775
42-329-32250	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32251	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32252	DAVIS & CARR ENERGY CO.
42-329-32253	THOMPSON, J. CLEO	Oil	32814
42-329-32254	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32255	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32256	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-32257	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-32258	Apache Corporation	Oil	06294
42-329-32259	Apache Corporation	Oil	06294
42-329-32260	Apache Corporation	Oil	06310
42-329-32261	El Paso Natural Gas Company
42-329-32262	Henry Petroleum Corp.	Oil	32974
42-329-32263	DE3 OPERATING LLC	Oil	32837
42-329-32264	SOUTHWEST ROYALTIES, INC.	Gas	216552
42-329-32265	DE3 OPERATING LLC	Oil	32830
42-329-32266	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-32267	ENDEAVOR ENERGY RESOURCES L.P.	Oil	32871
42-329-32268	PIONEER NATURAL RES. USA, INC.	Oil	32850
42-329-32269	PIONEER NATURAL RES. USA, INC.	Oil	32858
42-329-32270	PIONEER NATURAL RES. USA, INC.	Oil	32895
42-329-32271	ENDEAVOR ENERGY RESOURCES L.P.	Oil	32844
42-329-32272	WALTER EXPLORATION COMPANY	Oil	20392
42-329-32273	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-32274	PIONEER NATURAL RES. USA, INC.	Oil	06521
42-329-32275	PIONEER NATURAL RES. USA, INC.	Oil	32881
42-329-32276	PIONEER NATURAL RES. USA, INC.	Oil	32875
42-329-32277
42-329-32278	PIONEER NATURAL RES. USA, INC.	Oil	32885
42-329-32279	PIONEER NATURAL RES. USA, INC.	Oil	32874
42-329-32280	PIONEER NATURAL RES. USA, INC.	Oil	32901
42-329-32281	BOLGER OPERATING CO.	Oil	28766
42-329-32282	PIONEER NATURAL RES. USA, INC.	Oil	32991
42-329-32283	ATLANTIC OPERATING, INC.	Oil	39181
42-329-32284	ATLANTIC OPERATING, INC.	Oil	39185
42-329-32285	PIONEER NATURAL RES. USA, INC.	Oil	32937
42-329-32286	PIONEER NATURAL RES. USA, INC.	Oil	33133
42-329-32287	DACOTT OIL & GAS, LLC	Oil	32913
42-329-32288	DE3 OPERATING LLC	Oil	23060
42-329-32289	Henry Petroleum Corp.
42-329-32290	PIONEER NATURAL RES. USA, INC.	Oil	32894
42-329-32291	PIONEER NATURAL RES. USA, INC.	Oil	33009
42-329-32292	PIONEER NATURAL RES. USA, INC.	Oil	33011
42-329-32293	PIONEER NATURAL RES. USA, INC.	Oil	33077
42-329-32294	PIONEER NATURAL RES. USA, INC.	Oil	32912
42-329-32295	PIONEER NATURAL RES. USA, INC.	Oil	32923
42-329-32296	PIONEER NATURAL RES. USA, INC.	Oil	33011
42-329-32297	ENDEAVOR ENERGY RESOURCES L.P.	Oil	29541
42-329-32298	ENDEAVOR ENERGY RESOURCES L.P.	Oil	29561
42-329-32299	DACOTT OIL & GAS, LLC	Oil	32913
42-329-32300	DE3 OPERATING LLC	Oil	32997
42-329-32301	DE3 OPERATING LLC	Oil	32997
42-329-32302	DE3 OPERATING LLC	Oil	32942
42-329-32303	DE3 OPERATING LLC	Oil	32942
42-329-32304	Apache Corporation	Oil	34421
42-329-32305	PIONEER NATURAL RES. USA, INC.	Oil	32910
42-329-32306	Legacy Reserves Operating LP	Oil	33001
42-329-32307	PIONEER NATURAL RES. USA, INC.	Oil	32946
42-329-32308	PIONEER NATURAL RES. USA, INC.	Oil	32986
42-329-32309	PIONEER NATURAL RES. USA, INC.	Oil	32941
42-329-32310	PIONEER NATURAL RES. USA, INC.	Oil	32931
42-329-32311	XTO ENERGY INC.	Oil	32943
42-329-32312	Legacy Reserves Operating LP	Oil	33001
42-329-32313	Legacy Reserves Operating LP	Oil	33001
42-329-32314	XTO ENERGY INC.	Oil	32944
42-329-32315	PIONEER NATURAL RES. USA, INC.	Oil	33060
42-329-32316
42-329-32317	PIONEER NATURAL RES. USA, INC.	Oil	33098
42-329-32318	PIONEER NATURAL RES. USA, INC.	Oil	33035
42-329-32319	PIONEER NATURAL RES. USA, INC.	Oil	32932
42-329-32320	PIONEER NATURAL RES. USA, INC.	Oil	33034
42-329-32321	DE3 OPERATING LLC	Oil	33099
42-329-32322	PIONEER NATURAL RES. USA, INC.	Oil	33016
42-329-32323	PIONEER NATURAL RES. USA, INC.	Oil	32972
42-329-32324	PIONEER NATURAL RES. USA, INC.	Oil	32989
42-329-32325	THOMPSON, J. CLEO	Oil	33086
42-329-32326
42-329-32327	PIONEER NATURAL RES. USA, INC.	Oil	33047
42-329-32328	PIONEER NATURAL RES. USA, INC.	Oil	33018
42-329-32330	PIONEER NATURAL RES. USA, INC.	Oil	33010
42-329-32331	Hunt Oil Company	Oil	32992
42-329-32332	Hunt Oil Company	Oil	06398
42-329-32333	PIONEER NATURAL RES. USA, INC.	Oil	33010
42-329-32334	PIONEER NATURAL RES. USA, INC.	Oil	32990
42-329-32335	PIONEER NATURAL RES. USA, INC.	Oil	33017
42-329-32336	PIONEER NATURAL RES. USA, INC.	Oil	33015
42-329-32337	PIONEER NATURAL RES. USA, INC.	Oil	29372
42-329-32338	ARKLAND PRODUCING CO., INC.	Oil	33093
42-329-32339	PIONEER NATURAL RES. USA, INC.	Oil	33041
42-329-32340	PIONEER NATURAL RES. USA, INC.	Oil	28949
42-329-32341	PIONEER NATURAL RES. USA, INC.	Gas	287254
42-329-32342	PIONEER NATURAL RES. USA, INC.	Gas	287321
42-329-32343	PIONEER NATURAL RES. USA, INC.	Oil	33118
42-329-32344	Legacy Reserves Operating LP	Oil	33058
42-329-32345	PIONEER NATURAL RES. USA, INC.	Oil	33087
42-329-32346	CHEVRON U. S. A. INC.	Oil	22343
42-329-32347	CHEVRON U. S. A. INC.	Oil	22343
42-329-32348	DE3 OPERATING LLC	Oil	33197
42-329-32349	PIONEER NATURAL RES. USA, INC.	Oil	33021
42-329-32350	CHEVRON U. S. A. INC.	Oil	32075
42-329-32351	CHEVRON U. S. A. INC.	Oil	32075
42-329-32352	CHEVRON U. S. A. INC.	Oil	32075
42-329-32353	CHEVRON U. S. A. INC.	Oil	32075
42-329-32354	CHEVRON U. S. A. INC.	Oil	32075
42-329-32355	CHEVRON U. S. A. INC.	Oil	32075
42-329-32356	CHEVRON U. S. A. INC.	Oil	22343
42-329-32357	PIONEER NATURAL RES. USA, INC.	Oil	33132
42-329-32358	XTO ENERGY INC.	Oil	32944
42-329-32359	PIONEER NATURAL RES. USA, INC.	Oil	33051
42-329-32360	PIONEER NATURAL RES. USA, INC.	Oil	33079
42-329-32361	DE3 OPERATING LLC	Oil	33074
42-329-32362	PIONEER NATURAL RES. USA, INC.	Oil	33161
42-329-32363	PIONEER NATURAL RES. USA, INC.	Oil	33079
42-329-32364	PIONEER NATURAL RES. USA, INC.	Oil	31421
42-329-32365	DE3 OPERATING LLC	Oil	33189
42-329-32366	DE3 OPERATING LLC	Oil	33191
42-329-32367	PIONEER NATURAL RES. USA, INC.	Oil	33185
42-329-32368	XTO ENERGY INC.	Oil	32943
42-329-32369	PIONEER NATURAL RES. USA, INC.	Oil	33072
42-329-32370	PIONEER NATURAL RES. USA, INC.	Oil	33177
42-329-32371	PIONEER NATURAL RES. USA, INC.	Oil	31151
42-329-32372	PIONEER NATURAL RES. USA, INC.	Oil	33190
42-329-32373	DE3 OPERATING LLC	Oil	33085
42-329-32374	DE3 OPERATING LLC	Oil	33085
42-329-32375	PIONEER NATURAL RES. USA, INC.	Oil	33292
42-329-32376	PIONEER NATURAL RES. USA, INC.	Oil	29464
42-329-32377	PIONEER NATURAL RES. USA, INC.	Oil	33102
42-329-32378	XTO ENERGY INC.	Oil	33173
42-329-32379	XTO ENERGY INC.	Oil	33194
42-329-32380	XTO ENERGY INC.	Oil	33194
42-329-32381	XTO ENERGY INC.	Oil	32944
42-329-32382	ENDEAVOR ENERGY RESOURCES L.P.	Oil	29561
42-329-32383	PIONEER NATURAL RES. USA, INC.	Oil	33134
42-329-32384	PIONEER NATURAL RES. USA, INC.	Oil	33147
42-329-32385	ENERGAS COMPANY
42-329-32386	ENERGAS COMPANY
42-329-32387	XTO ENERGY INC.	Oil	32944
42-329-32388	XTO ENERGY INC.	Oil	32943
42-329-32389	XTO ENERGY INC.	Oil	32943
42-329-32390	XTO ENERGY INC.	Oil	32943
42-329-32391	THOMPSON, J. CLEO	Oil	32814
42-329-32392	PIONEER NATURAL RES. USA, INC.	Oil	33322
42-329-32393	CHEVRON U. S. A. INC.	Oil	32075
42-329-32394	CHEVRON U. S. A. INC.	Oil	22343
42-329-32395	CHEVRON U. S. A. INC.	Oil	22343
42-329-32396	MOBIL PIPE LINE COMPANY
42-329-32397	XTO ENERGY INC.	Oil	32944
42-329-32398	PIONEER NATURAL RES. USA, INC.	Oil	06427
42-329-32399	XTO ENERGY INC.	Oil	32944
42-329-32400	PIONEER NATURAL RES. USA, INC.	Oil	06427
42-329-32401	PIONEER NATURAL RES. USA, INC.	Oil	06427
42-329-32402	AMERICAN PETROFINA PIPE LINE CO.
42-329-32403	DE3 OPERATING LLC	Oil	22416
42-329-32404	DE3 OPERATING LLC	Oil	22347
42-329-32405	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32406	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32407	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32408	OXY USA WTP LP	Oil	15862
42-329-32409	OXY USA WTP LP	Oil	31940
42-329-32410	OXY USA WTP LP	Oil	31940
42-329-32411	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32412	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32413	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32414	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32415	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32416	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32417	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32418	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32419	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32420	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32421	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-32422	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-32423	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-32424	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32425	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32426	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32427	EXXON CORP.
42-329-32428	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32429	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32430	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32431	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32432	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32433	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32434	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32435	DE3 OPERATING LLC	Oil	33231
42-329-32436	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32437	JM COX RESOURCES, L.P.	Oil	40397
42-329-32438	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32439	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32440	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32441	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32442	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32443	DACOTT OIL & GAS, LLC	Oil	32913
42-329-32444	DACOTT OIL & GAS, LLC	Oil	40360
42-329-32445	TORCH OPERATING COMPANY
42-329-32446	THOMPSON, J. CLEO	Oil	33086
42-329-32447	DACOTT OIL & GAS, LLC	Oil	32913
42-329-32448	Legacy Reserves Operating LP	Oil	33058
42-329-32449	DACOTT OIL & GAS, LLC	Oil	40361
42-329-32450	DACOTT OIL & GAS, LLC	Oil	32913
42-329-32451	DACOTT OIL & GAS, LLC	Oil	32913
42-329-32452	CHEVRON U. S. A. INC.	Oil	35259
42-329-32453	OXY USA WTP LP	Oil	15862
42-329-32454	PIONEER NATURAL RES. USA, INC.	Oil	33304
42-329-32455	PIONEER NATURAL RES. USA, INC.	Oil	33304
42-329-32456	OXY USA INC.
42-329-32457	WAGNER & BROWN, LTD.	Gas	263997
42-329-32458	Southland Royalty Company
42-329-32459	PIONEER NATURAL RES. USA, INC.	Oil	33323
42-329-32460	COG OPERATING LLC	Oil	01178
42-329-32461	COG OPERATING LLC	Gas	199407
42-329-32462	COG OPERATING LLC	Oil	01178
42-329-32463	COG OPERATING LLC	Oil	15038
42-329-32464	COG OPERATING LLC	Oil	01178
42-329-32465	COG OPERATING LLC	Oil	15528
42-329-32466	COG OPERATING LLC	Oil	15143
42-329-32467	DE3 OPERATING LLC	Oil	33386
42-329-32468	PIONEER NATURAL RES. USA, INC.	Oil	33349
42-329-32469	DE3 OPERATING LLC	Oil	33342
42-329-32470	PIONEER NATURAL RES. USA, INC.	Oil	33430
42-329-32471	ENDEAVOR ENERGY RESOURCES L.P.	Oil	06562
42-329-32472	DE3 OPERATING LLC	Oil	33325
42-329-32473	ENDEAVOR ENERGY RESOURCES L.P.	Oil	33412
42-329-32474	DE3 OPERATING LLC	Oil	33328
42-329-32475	XTO ENERGY INC.	Oil	35321
42-329-32476	XTO ENERGY INC.	Oil	33404
42-329-32477	PARSLEY ENERGY OPERATIONS, LLC	Oil	33348
42-329-32478	JM COX RESOURCES, L.P.	Oil	22210
42-329-32479	DE3 OPERATING LLC	Oil	33383
42-329-32480	DE3 OPERATING LLC	Oil	33360
42-329-32481	PARSLEY ENERGY OPERATIONS, LLC	Oil	33374
42-329-32482	PARSLEY ENERGY OPERATIONS, LLC	Oil	33363
42-329-32483	DE3 OPERATING LLC	Oil	33384
42-329-32484	PARSLEY ENERGY OPERATIONS, LLC	Oil	33375
42-329-32485	PIONEER NATURAL RES. USA, INC.	Oil	33357
42-329-32486	DE3 OPERATING LLC	Oil	33372
42-329-32487	PARSLEY ENERGY OPERATIONS, LLC	Oil	33373
42-329-32488	Parker & Parsley Development Co.
42-329-32489	DE3 OPERATING LLC	Oil	33337
42-329-32490	DE3 OPERATING LLC	Oil	33432
42-329-32491	DE3 OPERATING LLC	Oil	33356
42-329-32492	CHEVRON U. S. A. INC.	Oil	32075
42-329-32493	CHEVRON U. S. A. INC.	Oil	32075
42-329-32494	TEXACO E & P INC.
42-329-32495	TEXACO E & P INC.	Oil	34103
42-329-32496	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32497	PIONEER NATURAL RES. USA, INC.	Oil	33408
42-329-32498	MWJ PRODUCING COMPANY
42-329-32499	MWJ PRODUCING COMPANY
42-329-32500	PIONEER NATURAL RES. USA, INC.	Oil	33413
42-329-32501	XTO ENERGY INC.	Oil	33404
42-329-32502	PARSLEY ENERGY OPERATIONS, LLC	Oil	33376
42-329-32503	PIONEER NATURAL RES. USA, INC.	Oil	33428
42-329-32504	DE3 OPERATING LLC	Oil	33394
42-329-32505	V-F PETROLEUM INC.	Oil	33425
42-329-32506	PIONEER NATURAL RES. USA, INC.	Oil	33444
42-329-32507	PIONEER NATURAL RES. USA, INC.	Oil	33419
42-329-32508	PIONEER NATURAL RES. USA, INC.	Oil	33444
42-329-32509	PIONEER NATURAL RES. USA, INC.	Oil	33439
42-329-32510	PIONEER NATURAL RES. USA, INC.	Oil	33439
42-329-32511	PIONEER NATURAL RES. USA, INC.	Oil	33439
42-329-32512	DE3 OPERATING LLC	Oil	33443
42-329-32513	PIONEER NATURAL RES. USA, INC.	Oil	06451
42-329-32514	PIONEER NATURAL RES. USA, INC.	Oil	33437
42-329-32515	PIONEER NATURAL RES. USA, INC.	Oil	33406
42-329-32516	PIONEER NATURAL RES. USA, INC.	Oil	33406
42-329-32517	PIONEER NATURAL RES. USA, INC.	Oil	33406
42-329-32518	PIONEER NATURAL RES. USA, INC.	Oil	33406
42-329-32519	XTO ENERGY INC.	Oil	33404
42-329-32520	XTO ENERGY INC.	Oil	33404
42-329-32521	XTO ENERGY INC.	Oil	33404
42-329-32522	XTO ENERGY INC.	Oil	33404
42-329-32523	PIONEER NATURAL RES. USA, INC.	Oil	33453
42-329-32524	PIONEER NATURAL RES. USA, INC.	Oil	33474
42-329-32525	PIONEER NATURAL RES. USA, INC.	Oil	33406
42-329-32526	Parker & Parsley Development Co.
42-329-32527	PIONEER NATURAL RES. USA, INC.	Oil	33461
42-329-32528	PIONEER NATURAL RES. USA, INC.	Oil	33474
42-329-32529	COG OPERATING LLC	Oil	39576
42-329-32530	WTG EXPLORATION	Oil	33772
42-329-32531	PIONEER NATURAL RES. USA, INC.	Oil	33454
42-329-32532	DESERT PRODUCTION, INC.	Oil	33441
42-329-32533	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32534	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32535	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32536	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32537	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32538	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32539	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32540	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32541	SAMEDAN OIL CORPORATION
42-329-32542	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32543	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32544	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32545	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32546	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32547	PATTERSON PETROLEUM LP	Oil	33481
42-329-32548	PIONEER NATURAL RES. USA, INC.	Oil	33492
42-329-32549	PIONEER NATURAL RES. USA, INC.	Oil	33468
42-329-32550	PIONEER NATURAL RES. USA, INC.	Oil	33468
42-329-32551	PIONEER NATURAL RES. USA, INC.	Oil	33468
42-329-32552	DESERT PRODUCTION, INC.	Oil	33440
42-329-32553	PIONEER NATURAL RES. USA, INC.	Oil	33323
42-329-32554	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32555	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32556	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32557	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32558	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32559	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32560	QUALIA, C. F. OPERATING,INC.	Oil	33808
42-329-32561	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32562	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32563	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32564	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32565	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32566	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32567	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32568	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32569	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32570	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32571	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32572	PIONEER NATURAL RES. USA, INC.	Oil	33492
42-329-32573	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32574	PIONEER NATURAL RES. USA, INC.	Oil	33492
42-329-32575	Placid Oil Company	Oil	33593
42-329-32576	Henry Petroleum Corp.	Oil	33512
42-329-32577	Henry Petroleum Corp.	Oil	33524
42-329-32578	Henry Petroleum Corp.	Oil	33524
42-329-32579	Legacy Reserves Operating LP	Oil	34007
42-329-32580	PIONEER NATURAL RES. USA, INC.	Oil	33461
42-329-32581	PIONEER NATURAL RES. USA, INC.	Oil	21487
42-329-32582	ENERGAS COMPANY
42-329-32583	ENERGAS COMPANY
42-329-32584	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32585	Parker & Parsley Development Co.
42-329-32586	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32587	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32588	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32589	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32590	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32591	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32592	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32593	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32594	Legacy Reserves Operating LP	Oil	33548
42-329-32595	Legacy Reserves Operating LP	Oil	33609
42-329-32596	Legacy Reserves Operating LP	Oil	33587
42-329-32597	Legacy Reserves Operating LP	Oil	33609
42-329-32598	Legacy Reserves Operating LP	Oil	33587
42-329-32599	XTO ENERGY INC.	Oil	32455
42-329-32600	PIONEER NATURAL RES. USA, INC.	Oil	32973
42-329-32601	Henry Petroleum Corp.	Oil	33535
42-329-32602	Legacy Reserves Operating LP	Oil	33590
42-329-32603	Legacy Reserves Operating LP	Oil	33590
42-329-32604	OXY USA WTP LP	Oil	15862
42-329-32605	Legacy Reserves Operating LP	Oil	33591
42-329-32606	Legacy Reserves Operating LP	Oil	39187
42-329-32607	Legacy Reserves Operating LP	Oil	33586
42-329-32608	Legacy Reserves Operating LP	Oil	33586
42-329-32609	Legacy Reserves Operating LP	Oil	33586
42-329-32610	Henry Petroleum Corp.	Oil	33535
42-329-32611	El Paso Natural Gas Company
42-329-32612	SAHARA OPERATING COMPANY
42-329-32613	COG OPERATING LLC	Oil	33588
42-329-32614	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32615	QUALIA, C. F. OPERATING,INC.
42-329-32616	Legacy Reserves Operating LP	Oil	20998
42-329-32617	MOBIL PIPE LINE COMPANY
42-329-32618	Legacy Reserves Operating LP	Oil	33591
42-329-32619	Parker & Parsley Development Co.	Oil	21487
42-329-32620	SHELL PIPE LINE CORPORATION
42-329-32621	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32622	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-32623	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32624	PIONEER NATURAL RES. USA, INC.	Oil	21487
42-329-32625	PIONEER NATURAL RES. USA, INC.	Oil	21487
42-329-32626	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-32627	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-32628	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-32629	HENRY PETROLEUM LP	Oil	33619
42-329-32630	COG OPERATING LLC	Oil	33623
42-329-32631	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-32632	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-32633	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-32634	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-32635	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-32636	PIONEER NATURAL RES. USA, INC.	Oil	06451
42-329-32637	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-32638	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-32639	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-32640	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32641	PIONEER NATURAL RES. USA, INC.	Oil	06451
42-329-32642	PIONEER NATURAL RES. USA, INC.	Oil	06451
42-329-32643	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-32644	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-32645	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-32646	PIONEER NATURAL RES. USA, INC.	Oil	06451
42-329-32647	PIONEER NATURAL RES. USA, INC.	Oil	06451
42-329-32648	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-32649	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-32650	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-32651	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-32652	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-32653	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-32654	ENDEAVOR ENERGY RESOURCES L.P.	Oil	33613
42-329-32655	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-32656	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-32657	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-32658	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-32659	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-32660	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-32661	PIONEER NATURAL RES. USA, INC.	Oil	21487
42-329-32662	PIONEER NATURAL RES. USA, INC.	Oil	21487
42-329-32663	DESERT PRODUCTION, INC.	Oil	33440
42-329-32664	DESERT PRODUCTION, INC.	Oil	33441
42-329-32665	ENDEAVOR ENERGY RESOURCES L.P.	Oil	33574
42-329-32666	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-32667	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-32668	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-32669	Citation Oil & Gas Corp.	Oil	33622
42-329-32670	PIONEER NATURAL RES. USA, INC.	Oil	21487
42-329-32671	PIONEER NATURAL RES. USA, INC.	Oil	21487
42-329-32672	PIONEER NATURAL RES. USA, INC.	Oil	21487
42-329-32673	PIONEER NATURAL RES. USA, INC.	Oil	21487
42-329-32674	PIONEER NATURAL RES. USA, INC.	Oil	21487
42-329-32675	PIONEER NATURAL RES. USA, INC.	Oil	21487
42-329-32676	PIONEER NATURAL RES. USA, INC.	Oil	21487
42-329-32677	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-32678	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-32679	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-32680	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-32681	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-32682	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-32683	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-32684	Legacy Reserves Operating LP	Oil	33548
42-329-32685	PIONEER NATURAL RES. USA, INC.	Oil	21487
42-329-32686	PIONEER NATURAL RES. USA, INC.	Oil	21487
42-329-32687	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-32688	HENRY PETROLEUM LP	Oil	33768
42-329-32689	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-32690	ENERGAS COMPANY
42-329-32691	ENERGAS COMPANY
42-329-32692	ENERGAS COMPANY
42-329-32693	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-32694	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-32695	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-32696	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-32697	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-32698	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-32699	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-32700	ENDEAVOR ENERGY RESOURCES L.P.	Oil	33574
42-329-32701	PIONEER NATURAL RES. USA, INC.	Oil	21487
42-329-32702	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-32703	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-32704	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-32705	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-32706	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-32707	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-32708	DESERT PRODUCTION, INC.	Oil	33441
42-329-32709	DESERT PRODUCTION, INC.	Oil	33440
42-329-32710	PIONEER NATURAL RES. USA, INC.	Oil	21487
42-329-32711	PIONEER NATURAL RES. USA, INC.	Oil	21487
42-329-32712	PIONEER NATURAL RES. USA, INC.	Oil	21487
42-329-32713	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-32714	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-32715
42-329-32716	PIONEER NATURAL RES. USA, INC.	Oil	21487
42-329-32717	PIONEER NATURAL RES. USA, INC.	Oil	21487
42-329-32718	PIONEER NATURAL RES. USA, INC.	Oil	21487
42-329-32719	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-32720	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-32721	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-32723	Legacy Reserves Operating LP	Oil	33797
42-329-32724	MOBIL PRODUCING TX. & N.M. INC.	Oil	04116
42-329-32725	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-32726	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-32727	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-32728
42-329-32729	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-32730
42-329-32731	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32732	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32733	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32734	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32735	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32736	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32737	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32738	ALTURA ENERGY LTD.	Oil	42987
42-329-32739	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-32740	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-32741	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-32742	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-32743	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-32744	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-32745	DESERT PRODUCTION, INC.	Oil	33440
42-329-32746	PIONEER NATURAL RES. USA, INC.	Oil	21487
42-329-32747	DESERT PRODUCTION, INC.	Oil	33440
42-329-32748	DESERT PRODUCTION, INC.	Oil	33440
42-329-32749	DESERT PRODUCTION, INC.	Oil	33440
42-329-32750	DESERT PRODUCTION, INC.	Oil	33440
42-329-32751	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-32752	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-32753	DIAMONDBACK E&P LLC	Oil	16417
42-329-32754	DIAMONDBACK E&P LLC	Oil	16363
42-329-32755	Parker & Parsley Development Co.
42-329-32756	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-32757	Parker & Parsley Development Co.
42-329-32758	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-32759	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-32760	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-32761	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-32762	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-32763	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-32764	PIONEER NATURAL RES. USA, INC.	Oil	21487
42-329-32765	PIONEER NATURAL RES. USA, INC.	Oil	21487
42-329-32766	PIONEER NATURAL RES. USA, INC.	Oil	21487
42-329-32767	PIONEER NATURAL RES. USA, INC.	Oil	21487
42-329-32768	PIONEER NATURAL RES. USA, INC.	Oil	21487
42-329-32769	PIONEER NATURAL RES. USA, INC.	Oil	21487
42-329-32770	TRAIL MOUNTAIN, INC.
42-329-32771	PIONEER NATURAL RES. USA, INC.	Oil	06451
42-329-32772	CROWNQUEST OPERATING, LLC	Oil	33763
42-329-32773	PIONEER NATURAL RES. USA, INC.	Oil	06451
42-329-32774	DE3 OPERATING LLC	Oil	33778
42-329-32775	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-32776	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-32777	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-32778	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-32779	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-32780	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-32781	PLAINS PETROLEUM OPERATING CO.
42-329-32782	PLAINS PETROLEUM OPERATING CO.
42-329-32783	PLAINS PETROLEUM OPERATING CO.
42-329-32784	PLAINS PETROLEUM OPERATING CO.
42-329-32785	PLAINS PETROLEUM OPERATING CO.
42-329-32786	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-32787	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-32788	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-32789	Legacy Reserves Operating LP	Oil	20998
42-329-32790	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-32791	PIONEER NATURAL RES. USA, INC.	Oil	06451
42-329-32792	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-32793	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-32794	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-32795	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-32796	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-32797	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-32798	ENDEAVOR ENERGY RESOURCES L.P.	Oil	33574
42-329-32799	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32800	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32801	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32802	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32803	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32804	OXY USA INC.	Oil	34642
42-329-32805	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32806	Apache Corporation	Oil	06309
42-329-32807	ENDEAVOR ENERGY RESOURCES L.P.	Oil	33871
42-329-32808	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32809	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32810	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32811	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32812	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32813	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-32814	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32815	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32816	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32817	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32818	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-32819	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-32820	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-32821	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-32822	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32823	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-32824	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32825	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-32826	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32827	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-32828	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-32829	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-32830	Parker & Parsley Development Co.
42-329-32831	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-32832	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-32833	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32834	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-32835	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-32836	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-32837	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-32838	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-32839	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-32840	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-32841	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32842	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-32843	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-32844	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-32845	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-32846	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32847	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-32848	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-32849	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-32850	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32851	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-32852	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-32853	COG OPERATING LLC	Oil	26538
42-329-32854	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-32855	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-32856	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-32857	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-32858	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-32859	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-32860	COG OPERATING LLC	Oil	26538
42-329-32861	PARSLEY ENERGY OPERATIONS, LLC	Oil	33984
42-329-32862	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32863	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32864	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32865	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32866	Legacy Reserves Operating LP	Oil	33997
42-329-32867	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32868	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-32869	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-32870	CHEVRON U. S. A. INC.	Oil	34066
42-329-32871	CHEVRON U. S. A. INC.	Oil	34066
42-329-32872	CHEVRON U. S. A. INC.	Oil	34066
42-329-32873	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-32874	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-32875	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-32876	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-32877	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32878	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32879	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32880	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32881	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-32882	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32883
42-329-32884	CHEVRON U. S. A. INC.	Oil	33991
42-329-32885	CHEVRON U. S. A. INC.	Oil	33991
42-329-32886	CHEVRON U. S. A. INC.	Oil	33991
42-329-32887	CHEVRON U. S. A. INC.	Oil	33991
42-329-32888	CHEVRON U. S. A. INC.	Oil	33991
42-329-32889	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-32890	ENDEAVOR ENERGY RESOURCES L.P.	Oil	33960
42-329-32891	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-32892	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-32893	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-32894	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-32895	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-32896	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-32897	Henry Petroleum Corp.	Oil	34034
42-329-32898	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32899	ENDEAVOR ENERGY RESOURCES L.P.	Oil	11878
42-329-32900	ENDEAVOR ENERGY RESOURCES L.P.	Oil	11878
42-329-32901	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32902	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32903	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32904	CHEVRON U. S. A. INC.	Oil	34076
42-329-32905	CHEVRON U. S. A. INC.	Oil	34076
42-329-32906	CHEVRON U. S. A. INC.	Oil	34076
42-329-32907	CHEVRON U. S. A. INC.	Oil	34081
42-329-32908	CHEVRON U. S. A. INC.	Oil	34081
42-329-32909	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-32910	COG OPERATING LLC	Oil	04116
42-329-32911	CHEVRON U. S. A. INC.	Oil	34081
42-329-32912	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32913	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-32914	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-32915	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32916	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-32917	Hunt Oil Company	Oil	21071
42-329-32918	ENDEAVOR ENERGY RESOURCES L.P.	Oil	34059
42-329-32919	ENDEAVOR ENERGY RESOURCES L.P.	Oil	34059
42-329-32920	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32921	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32922	WESTERN GAS RESOURCES-TEXAS,INC.
42-329-32923	WESTERN GAS RESOURCES-TEXAS,INC.
42-329-32924	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32925	MWJ PRODUCING COMPANY	Oil	34025
42-329-32926	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-32927	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-32928	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-32929	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-32930	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-32931	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32932	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-32933	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-32934	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32935	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-32936	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-32937	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32938	PIONEER NATURAL RES. USA, INC.	Oil	32134
42-329-32939	ENDEAVOR ENERGY RESOURCES L.P.	Oil	34058
42-329-32940	Legacy Reserves Operating LP	Oil	34109
42-329-32941	Legacy Reserves Operating LP	Oil	34109
42-329-32942	PIONEER NATURAL RES. USA, INC.	Oil	27079
42-329-32943	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-32944	MOBIL PIPE LINE COMPANY
42-329-32945	MOBIL PIPE LINE COMPANY
42-329-32946	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-32947	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-32948	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-32949	DE3 OPERATING LLC	Oil	22825
42-329-32950	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-32951	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-32952	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-32953	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-32954	ENDEAVOR ENERGY RESOURCES L.P.	Oil	34079
42-329-32955	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-32956	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-32957	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-32958	ENDEAVOR ENERGY RESOURCES L.P.	Oil	34078
42-329-32959	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-32960	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-32961	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-32962	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-32963	ENDEAVOR ENERGY RESOURCES L.P.	Oil	25294
42-329-32964	ENDEAVOR ENERGY RESOURCES L.P.	Oil	06337
42-329-32965	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-32966	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-32967	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-32968	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-32969	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-32970	ARCO PERMIAN	Gas	150176
42-329-32971	EXXON CORP.
42-329-32972	EL TRES EXPLORATION
42-329-32973	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-32974	ENERGAS COMPANY
42-329-32975	ENERGAS COMPANY
42-329-32976	ENERGAS COMPANY
42-329-32977	ENERGAS COMPANY
42-329-32978	ENERGAS COMPANY
42-329-32979	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-32980	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-32981	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-32982	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-32983	Legacy Reserves Operating LP	Oil	34163
42-329-32984	ENDEAVOR ENERGY RESOURCES L.P.	Oil	34101
42-329-32985	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-32986	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-32987	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-32988	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-32989	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-32990	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-32991	ENDEAVOR ENERGY RESOURCES L.P.	Oil	34162
42-329-32992	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-32993	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-32994	ENDEAVOR ENERGY RESOURCES L.P.	Oil	34101
42-329-32995	Legacy Reserves Operating LP	Oil	34170
42-329-32996	G P II ENERGY, INC.	Oil	34267
42-329-32997	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-32998	ENDEAVOR ENERGY RESOURCES L.P.	Oil	33960
42-329-32999	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33000	COG OPERATING LLC	Oil	39630
42-329-33001	MAVERICK OPERATING, LLC	Oil	34103
42-329-33002	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33003	CHEVRON U. S. A. INC.	Oil	34081
42-329-33004	COG OPERATING LLC	Oil	26538
42-329-33005	COG OPERATING LLC	Oil	39630
42-329-33006	COG OPERATING LLC	Oil	39630
42-329-33007	XTO ENERGY INC.	Gas	148778
42-329-33008	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33009	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33010	PIONEER NATURAL RES. USA, INC.	Oil	34167
42-329-33011
42-329-33012	COG OPERATING LLC	Oil	04116
42-329-33013	PIONEER NATURAL RES. USA, INC.	Oil	34142
42-329-33014	PIONEER NATURAL RES. USA, INC.	Oil	34142
42-329-33015	PIONEER NATURAL RES. USA, INC.	Oil	06390
42-329-33016	PIONEER NATURAL RES. USA, INC.	Oil	34167
42-329-33017	PIONEER NATURAL RES. USA, INC.	Oil	34167
42-329-33018	PIONEER NATURAL RES. USA, INC.	Oil	34157
42-329-33019	PIONEER NATURAL RES. USA, INC.	Oil	34167
42-329-33020	PIONEER NATURAL RES. USA, INC.	Oil	34156
42-329-33021
42-329-33022	PIONEER NATURAL RES. USA, INC.	Oil	34157
42-329-33023	PIONEER NATURAL RES. USA, INC.	Oil	34210
42-329-33024	PIONEER NATURAL RES. USA, INC.	Oil	34738
42-329-33025	PIONEER NATURAL RES. USA, INC.	Oil	06390
42-329-33026	PIONEER NATURAL RES. USA, INC.	Oil	06267
42-329-33027	PIONEER NATURAL RES. USA, INC.	Oil	21240
42-329-33028	PIONEER NATURAL RES. USA, INC.	Oil	21240
42-329-33029	PIONEER NATURAL RES. USA, INC.	Oil	06267
42-329-33030	PIONEER NATURAL RES. USA, INC.	Oil	06268
42-329-33031	CHEVRON U. S. A. INC.	Oil	34066
42-329-33032	CHEVRON U. S. A. INC.	Oil	34066
42-329-33033	CHEVRON U. S. A. INC.	Oil	34066
42-329-33034	PIONEER NATURAL RES. USA, INC.	Oil	06390
42-329-33035	PIONEER NATURAL RES. USA, INC.	Oil	21240
42-329-33036	PIONEER NATURAL RES. USA, INC.	Oil	06390
42-329-33037	ENDEAVOR ENERGY RESOURCES L.P.	Oil	33574
42-329-33038	ENDEAVOR ENERGY RESOURCES L.P.	Oil	34190
42-329-33039	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-33040	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-33041	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-33042	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-33043	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-33044	ENDEAVOR ENERGY RESOURCES L.P.	Oil	51108
42-329-33045	PIONEER NATURAL RES. USA, INC.	Oil	33957
42-329-33046	ENDEAVOR ENERGY RESOURCES L.P.	Oil	34258
42-329-33047	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-33048	ENDEAVOR ENERGY RESOURCES L.P.	Oil	34305
42-329-33049	ENDEAVOR ENERGY RESOURCES L.P.	Oil	34189
42-329-33050	CHEVRON U. S. A. INC.	Gas	151722
42-329-33051	CHEVRON U. S. A. INC.	Gas	151754
42-329-33052	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33053	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33054	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33055	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33056	CHEVRON U. S. A. INC.	Oil	34076
42-329-33057	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33058	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33059	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33060	CHEVRON U. S. A. INC.	Oil	34076
42-329-33061	CHEVRON U. S. A. INC.	Oil	34076
42-329-33062	CHEVRON U. S. A. INC.	Oil	34076
42-329-33063	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33064	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33065	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33066	PITTS ENERGY CO.	Oil	16419
42-329-33067	PITTS ENERGY CO.	Oil	16419
42-329-33068	PITTS ENERGY CO.	Oil	06369
42-329-33069	PIONEER NATURAL RES. USA, INC.	Oil	06390
42-329-33070	PIONEER NATURAL RES. USA, INC.	Oil	06390
42-329-33071	PIONEER NATURAL RES. USA, INC.	Oil	29651
42-329-33072	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33073	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33074	PIONEER NATURAL RES. USA, INC.	Oil	06390
42-329-33075	MAVERICK OPERATING, LLC	Oil	34103
42-329-33076	WESTERN GAS RESOURCES-TEXAS,INC.
42-329-33077	WESTERN GAS RESOURCES-TEXAS,INC.
42-329-33078	PIONEER NATURAL RES. USA, INC.	Oil	34167
42-329-33079	PIONEER NATURAL RES. USA, INC.	Oil	34167
42-329-33080	STEPHENS, AUTRY C.	Oil	34768
42-329-33081	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33083	El Paso Natural Gas Company
42-329-33084	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33085	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33086	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33087	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33088	MOBIL PIPE LINE COMPANY
42-329-33089	MOBIL PIPE LINE COMPANY
42-329-33090	MOBIL PIPE LINE COMPANY
42-329-33091	ENDEAVOR ENERGY RESOURCES L.P.	Oil	34257
42-329-33092	DE3 OPERATING LLC	Oil	31616
42-329-33093	PIONEER NATURAL RES. USA, INC.	Oil	34167
42-329-33094	Wagner Oil Company	Oil	34494
42-329-33095	PIONEER NATURAL RES. USA, INC.	Oil	21240
42-329-33096	PIONEER NATURAL RES. USA, INC.	Oil	06268
42-329-33097	PIONEER NATURAL RES. USA, INC.	Oil	21240
42-329-33098	PIONEER NATURAL RES. USA, INC.	Oil	34167
42-329-33099	PIONEER NATURAL RES. USA, INC.	Oil	06390
42-329-33100	PIONEER NATURAL RES. USA, INC.	Oil	34468
42-329-33101	PIONEER NATURAL RES. USA, INC.	Oil	34337
42-329-33102	ENDEAVOR ENERGY RESOURCES L.P.	Oil	34189
42-329-33103	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33104	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33105	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33106	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33107	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33108	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33109	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33110	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33111	ENDEAVOR ENERGY RESOURCES L.P.	Oil	34298
42-329-33112	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33113	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33114	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33115	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33116	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33117	PIONEER NATURAL RES. USA, INC.	Oil	06267
42-329-33118	PIONEER NATURAL RES. USA, INC.	Oil	21487
42-329-33119	PIONEER NATURAL RES. USA, INC.	Oil	21487
42-329-33120	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-33121	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-33122	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-33123	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-33124	ENDEAVOR ENERGY RESOURCES L.P.	Oil	34377
42-329-33125	TMBR/SHARP DRILLING, INC.	Oil	34370
42-329-33126	CHEVRON U. S. A. INC.	Oil	34380
42-329-33127	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33128	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33129	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33130	ENERGAS COMPANY
42-329-33131	ENERGAS COMPANY
42-329-33132	ENERGAS COMPANY
42-329-33133	ENERGAS COMPANY
42-329-33134	ENERGAS COMPANY
42-329-33135	ENERGAS COMPANY
42-329-33136	HENRY PETROLEUM LP	Oil	34395
42-329-33137	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33138	CHEVRON U. S. A. INC.	Oil	34437
42-329-33139	CHEVRON U. S. A. INC.	Oil	34437
42-329-33140	CHEVRON U. S. A. INC.	Oil	34437
42-329-33141	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33142	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33143	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-33144	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-33145	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33146	XTO ENERGY INC.	Oil	34474
42-329-33147	ENDEAVOR ENERGY RESOURCES L.P.	Oil	34344
42-329-33148	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33149	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-33150	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33151	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33152	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33153	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33154	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33155	CHEVRON U. S. A. INC.	Gas	153523
42-329-33156	TEXACO E & P INC.	Oil	25265
42-329-33157	CHEVRON U. S. A. INC.	Oil	34400
42-329-33158	MAVERICK OPERATING, LLC	Oil	34103
42-329-33159	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-33160	CHEVRON U. S. A. INC.	Oil	34400
42-329-33161	CHEVRON U. S. A. INC.	Oil	34400
42-329-33162	CHEVRON U. S. A. INC.	Oil	34400
42-329-33163	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33164	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-33165	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33166	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-33167	PIONEER NATURAL RES. USA, INC.	Oil	06390
42-329-33168	PIONEER NATURAL RES. USA, INC.	Oil	06390
42-329-33169	ENDEAVOR ENERGY RESOURCES L.P.	Oil	34401
42-329-33170	MURCHISON OIL & GAS INC	Oil	34413
42-329-33171	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-33172	Lario Oil & Gas Company	Oil	06644
42-329-33173	Lario Oil & Gas Company	Oil	06644
42-329-33174	Lario Oil & Gas Company	Oil	06644
42-329-33175	Lario Oil & Gas Company	Oil	06644
42-329-33176	PRIME OPERATING COMPANY	Oil	34510
42-329-33177	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-33178	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33179	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33180	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33181	PIONEER NATURAL RES. USA, INC.	Oil	06390
42-329-33182	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-33183	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-33184	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-33185	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-33186	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-33187	ENDEAVOR ENERGY RESOURCES L.P.	Oil	34189
42-329-33188	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33189	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33190	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33191	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33192	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33193	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33194	HENRY PETROLEUM LP	Oil	34395
42-329-33195	HENRY PETROLEUM LP	Oil	34395
42-329-33196	HENRY PETROLEUM LP	Oil	34395
42-329-33197	ENDEAVOR ENERGY RESOURCES L.P.	Oil	34267
42-329-33198	ENDEAVOR ENERGY RESOURCES L.P.	Oil	33960
42-329-33199	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-33200	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-33201	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33202	CHEVRON U. S. A. INC.	Gas	154101
42-329-33203	STEPHENS, AUTRY C.	Oil	33574
42-329-33204	PIONEER NATURAL RES. USA, INC.	Oil	06267
42-329-33205	PIONEER NATURAL RES. USA, INC.	Oil	06268
42-329-33206	COG OPERATING LLC	Oil	04116
42-329-33207	CHEVRON U. S. A. INC.	Gas	154202
42-329-33208	CHEVRON U. S. A. INC.	Gas	154763
42-329-33209	CHEVRON U. S. A. INC.	Oil	34533
42-329-33210	PIONEER NATURAL RES. USA, INC.	Oil	34424
42-329-33211	COG OPERATING LLC	Oil	39630
42-329-33212	COG OPERATING LLC	Oil	26538
42-329-33213	PIONEER NATURAL RES. USA, INC.	Oil	34450
42-329-33214	PIONEER NATURAL RES. USA, INC.	Oil	21240
42-329-33215	PIONEER NATURAL RES. USA, INC.	Oil	34157
42-329-33216	PIONEER NATURAL RES. USA, INC.	Oil	34210
42-329-33217	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33218	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33219	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33220	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33221	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33222	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33223	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33224	PIONEER NATURAL RES. USA, INC.	Oil	21487
42-329-33225	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33226	ENDEAVOR ENERGY RESOURCES L.P.	Oil	34546
42-329-33227	PIONEER NATURAL RES. USA, INC.	Oil	34403
42-329-33228	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33229	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33230	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33231	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33232	ENDEAVOR ENERGY RESOURCES L.P.	Oil	34189
42-329-33233	PIONEER NATURAL RES. USA, INC.	Oil	34457
42-329-33234	PIONEER NATURAL RES. USA, INC.	Oil	34451
42-329-33235	PIONEER NATURAL RES. USA, INC.	Oil	34451
42-329-33236	PIONEER NATURAL RES. USA, INC.	Oil	34454
42-329-33237	PIONEER NATURAL RES. USA, INC.	Oil	34471
42-329-33238	PIONEER NATURAL RES. USA, INC.	Oil	34265
42-329-33239	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33240	PIONEER NATURAL RES. USA, INC.	Oil	34142
42-329-33241	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33242	MAVERICK OPERATING, LLC	Oil	34103
42-329-33243	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33244	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33245	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33246	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33247	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33248	MOBIL PRODUCING TX. & N.M. INC.
42-329-33249	XTO ENERGY INC.	Oil	13793
42-329-33250	OVINTIV USA INC.	Oil	34717
42-329-33251	OVINTIV USA INC.	Oil	34576
42-329-33252
42-329-33253	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33254	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33255	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33256	ENDEAVOR ENERGY RESOURCES L.P.	Oil	34377
42-329-33257	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33258	OXY USA WTP LP	Oil	15862
42-329-33259	PIONEER NATURAL RES. USA, INC.	Oil	34450
42-329-33260	PIONEER NATURAL RES. USA, INC.	Oil	34142
42-329-33261	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33262	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33263	ENDEAVOR ENERGY RESOURCES L.P.	Oil	34401
42-329-33264	PIONEER NATURAL RES. USA, INC.	Oil	34618
42-329-33265	CHEVRON U. S. A. INC.	Oil	32075
42-329-33266	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33267	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33268	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33269	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33270	CHEVRON U. S. A. INC.	Gas	155262
42-329-33271	TEXACO E & P INC.	Oil	25265
42-329-33272	XTO ENERGY INC.	Oil	13896
42-329-33273	PARKER & PARSLEY DEVELOPMENT L.P
42-329-33274	PARKER & PARSLEY DEVELOPMENT L.P
42-329-33275	PIONEER NATURAL RES. USA, INC.	Oil	34621
42-329-33276	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33277	PARKER & PARSLEY DEVELOPMENT L.P
42-329-33278	PIONEER NATURAL RES. USA, INC.	Oil	34738
42-329-33279	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33280	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33281	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33282	CHEVRON U. S. A. INC.	Gas	155263
42-329-33283	CHEVRON U. S. A. INC.	Oil	43259
42-329-33284	TEXACO E & P INC.
42-329-33285	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33286	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33287	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33288	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33289	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33290	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33291	RENDOVA OIL COMPANY, INC.	Oil	34950
42-329-33292	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33293	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33294	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33295	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33296	XTO ENERGY INC.	Gas	156427
42-329-33297	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33298	ENDEAVOR ENERGY RESOURCES L.P.	Oil	34298
42-329-33299	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33300	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33301	ENDEAVOR ENERGY RESOURCES L.P.	Oil	34322
42-329-33302	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33303	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33304	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33305	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33306	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33307	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33308	Apache Corporation	Oil	06294
42-329-33309	Apache Corporation	Oil	06310
42-329-33310	XTO ENERGY INC.	Gas	156440
42-329-33311	CHEVRON U. S. A. INC.	Oil	22343
42-329-33312	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33313	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33314	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33315	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33316	ENDEAVOR ENERGY RESOURCES L.P.	Oil	34354
42-329-33317	CHEVRON U. S. A. INC.	Oil	34400
42-329-33318	CHEVRON U. S. A. INC.	Oil	34400
42-329-33319	CHEVRON U. S. A. INC.	Oil	34400
42-329-33320	CHEVRON U. S. A. INC.	Oil	34400
42-329-33321	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33322	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33323	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33324	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33325	PIONEER NATURAL RES. USA, INC.	Oil	40291
42-329-33326	ENDEAVOR ENERGY RESOURCES L.P.	Oil	34267
42-329-33327	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33328	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33329	ENDEAVOR ENERGY RESOURCES L.P.	Oil	34802
42-329-33330	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33331	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33332	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33333	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33334	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33335	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33336	PIONEER NATURAL RES. USA, INC.	Oil	15400
42-329-33337	ENDEAVOR ENERGY RESOURCES L.P.	Oil	34401
42-329-33338	ENDEAVOR ENERGY RESOURCES L.P.	Oil	34401
42-329-33339	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33340	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33341	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33342	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33343	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33344	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33345	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33346	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33347	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33348	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33349	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33350	Apache Corporation	Oil	13397
42-329-33351	MOBIL PRODUCING TX. & N.M. INC.	Oil	14354
42-329-33352	ENDEAVOR ENERGY RESOURCES L.P.	Oil	34718
42-329-33353	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33354	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33355	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33356	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33357
42-329-33358	Collins & Ware, Inc.
42-329-33359	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33360	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33361	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33362	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33363	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33364	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33365	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33366	XTO ENERGY INC.	Gas	157160
42-329-33367	OVINTIV USA INC.	Oil	35645
42-329-33368	PIONEER NATURAL RES. USA, INC.	Oil	06451
42-329-33369	MOBIL PIPE LINE COMPANY
42-329-33370	WILSON, W. CORP.	Oil	34819
42-329-33371	El Paso Natural Gas Company
42-329-33372	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33373	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33374	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33375	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33376	CHEVRON U. S. A. INC.	Oil	22343
42-329-33377	CHEVRON U. S. A. INC.	Oil	22343
42-329-33378	CHEVRON U. S. A. INC.	Oil	22343
42-329-33379	PIONEER NATURAL RES. USA, INC.	Oil	34454
42-329-33380	ENERGAS COMPANY
42-329-33381	ENERGAS COMPANY
42-329-33382	ENERGAS COMPANY
42-329-33383	ENERGAS COMPANY
42-329-33384	ENERGAS COMPANY
42-329-33385	ENERGAS COMPANY
42-329-33386	ENERGAS COMPANY
42-329-33387	ENERGAS COMPANY
42-329-33388	ENERGAS COMPANY
42-329-33389	ENERGAS COMPANY
42-329-33390	OVINTIV USA INC.	Oil	34576
42-329-33391	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33392	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33393	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33394	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33395	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33396	ENDEAVOR ENERGY RESOURCES L.P.	Oil	34377
42-329-33397	ENDEAVOR ENERGY RESOURCES L.P.	Oil	34377
42-329-33398	PIONEER NATURAL RES. USA, INC.	Oil	34167
42-329-33399	PIONEER NATURAL RES. USA, INC.	Oil	34167
42-329-33400	PIONEER NATURAL RES. USA, INC.	Oil	34167
42-329-33401	PIONEER NATURAL RES. USA, INC.	Oil	34167
42-329-33402	PIONEER NATURAL RES. USA, INC.	Oil	34167
42-329-33403	PIONEER NATURAL RES. USA, INC.	Oil	34167
42-329-33404	PIONEER NATURAL RES. USA, INC.	Oil	34167
42-329-33405	PIONEER NATURAL RES. USA, INC.	Oil	34167
42-329-33406	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33407	ENDEAVOR ENERGY RESOURCES L.P.	Oil	21412
42-329-33408	Apache Corporation	Oil	14387
42-329-33410	DE3 OPERATING LLC	Oil	34885
42-329-33411	DE3 OPERATING LLC	Oil	34885
42-329-33412	ENDEAVOR ENERGY RESOURCES L.P.	Oil	34802
42-329-33413	WESTERN GAS RESOURCES-TEXAS,INC.
42-329-33414	PIONEER NATURAL RES. USA, INC.	Oil	34853
42-329-33415	XTO ENERGY INC.	Oil	34910
42-329-33416	PIONEER NATURAL RES. USA, INC.	Oil	34855
42-329-33417	PIONEER NATURAL RES. USA, INC.	Oil	34888
42-329-33418	PIONEER NATURAL RES. USA, INC.	Oil	34908
42-329-33419	ENDEAVOR ENERGY RESOURCES L.P.	Oil	34546
42-329-33420	XTO ENERGY INC.	Gas	163536
42-329-33421	Apache Corporation	Oil	06294
42-329-33422	Apache Corporation	Oil	06294
42-329-33423	Apache Corporation	Oil	06294
42-329-33424	ENDEAVOR ENERGY RESOURCES L.P.	Oil	34267
42-329-33425	CHEVRON U. S. A. INC.	Oil	35296
42-329-33426	DE3 OPERATING LLC	Oil	34958
42-329-33427	Apache Corporation	Oil	06306
42-329-33428	Apache Corporation	Oil	06310
42-329-33429	Apache Corporation	Oil	35232
42-329-33430	PIONEER NATURAL RES. USA, INC.	Oil	15400
42-329-33431	CHEVRON U. S. A. INC.	Oil	34918
42-329-33432	CHEVRON U. S. A. INC.	Oil	34918
42-329-33433	CHEVRON U. S. A. INC.	Oil	34918
42-329-33434	CHEVRON U. S. A. INC.	Oil	34918
42-329-33435	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33436	AMERICAN PETROFINA PIPE LINE CO.
42-329-33437	MANZANO OIL CORPORATION
42-329-33438	Henry Petroleum Corp.	Oil	34967
42-329-33439	OVINTIV USA INC.	Oil	39922
42-329-33440	CHEVRON U. S. A. INC.	Oil	34918
42-329-33441	CHEVRON U. S. A. INC.	Oil	34918
42-329-33442	CHEVRON U. S. A. INC.	Oil	34918
42-329-33443	CHEVRON U. S. A. INC.	Oil	34918
42-329-33444	CHEVRON U. S. A. INC.	Oil	34918
42-329-33445	ENDEAVOR ENERGY RESOURCES L.P.	Oil	47029
42-329-33446	ENDEAVOR ENERGY RESOURCES L.P.	Oil	47029
42-329-33447	PIONEER NATURAL RES. USA, INC.	Gas	282634
42-329-33448	OVINTIV USA INC.	Oil	34974
42-329-33449	CHEVRON U. S. A. INC.	Oil	22343
42-329-33450	STEPHENS, AUTRY C.
42-329-33451	CHEVRON U. S. A. INC.	Gas	159974
42-329-33452	OVINTIV USA INC.	Oil	35270
42-329-33453	OVINTIV USA INC.	Oil	34576
42-329-33454	OVINTIV USA INC.	Oil	34576
42-329-33455	BLUESTEM ENERGY HOLDINGS, LLC	Oil	21356
42-329-33456	BLUESTEM ENERGY HOLDINGS, LLC	Oil	21732
42-329-33457	OVINTIV USA INC.	Oil	34717
42-329-33458	OVINTIV USA INC.	Oil	39903
42-329-33459	CHEVRON U. S. A. INC.	Oil	35064
42-329-33460	CHEVRON U. S. A. INC.	Oil	20092
42-329-33462	CHEVRON U. S. A. INC.	Gas	160930
42-329-33463	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33464	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33465	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33466	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33467	PARKER & PARSLEY DEVELOPMENT L.P
42-329-33468	XTO ENERGY INC.	Gas	164360
42-329-33469	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33470	ENDEAVOR ENERGY RESOURCES L.P.	Oil	47029
42-329-33471	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33472	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33473	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33474	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33475	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33476	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33477	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33478	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33479	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33480	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33481	ENDEAVOR ENERGY RESOURCES L.P.	Oil	35091
42-329-33482	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33483	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33484	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33485	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33486	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33487	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33488	PIONEER NATURAL RES. USA, INC.	Oil	15400
42-329-33489	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33490
42-329-33491	PIONEER NATURAL RES. USA, INC.	Oil	34451
42-329-33492	CHEVRON U. S. A. INC.	Gas	160931
42-329-33493	CHEVRON U. S. A. INC.	Gas	161920
42-329-33494	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33495	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-33496	PIONEER NATURAL RES. USA, INC.	Oil	34855
42-329-33497	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33498	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33499	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33500	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33501	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33502	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33503	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-33504	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-33505	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-33506	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33507	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33508	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33509	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-33510	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-33511	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-33512	ARCO PERMIAN	Oil	35548
42-329-33513	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-33514	PIONEER NATURAL RES. USA, INC.	Oil	34948
42-329-33515	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-33516	Apache Corporation	Oil	35119
42-329-33517
42-329-33518	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33519	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33520	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33521	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33522	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33523	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33524
42-329-33525	ENDEAVOR ENERGY RESOURCES L.P.	Oil	35274
42-329-33526	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-33527	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33528	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-33529	PIONEER NATURAL RES. USA, INC.	Oil	15400
42-329-33530	CHEVRON U. S. A. INC.	Gas	162412
42-329-33531	TEXACO E & P INC.
42-329-33532	CHEVRON U. S. A. INC.	Gas	163464
42-329-33533	PIONEER NATURAL RES. USA, INC.	Oil	15400
42-329-33534	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33535	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-33536
42-329-33537	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33538	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33539	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33540	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33541	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33542
42-329-33543	Apache Corporation	Oil	03955
42-329-33544	OXY USA INC.
42-329-33545	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33546	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33547	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33548
42-329-33549	PIONEER NATURAL RES. USA, INC.	Oil	06390
42-329-33550	OVINTIV USA INC.	Oil	34728
42-329-33551	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33552	OVINTIV USA INC.	Oil	35037
42-329-33553	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-33554	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33555	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33556	PARKER & PARSLEY DEVELOPMENT L.P	Oil	18187
42-329-33557	PARKER & PARSLEY DEVELOPMENT L.P	Oil	18187
42-329-33558	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-33559	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33560	Apache Corporation	Oil	34447
42-329-33561	Apache Corporation	Oil	34447
42-329-33562	Apache Corporation	Oil	34447
42-329-33563	Apache Corporation	Oil	34447
42-329-33564	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33565	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33566	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33567	PIONEER NATURAL RES. USA, INC.	Oil	06267
42-329-33568	PIONEER NATURAL RES. USA, INC.	Oil	20070
42-329-33569	DE3 OPERATING LLC	Oil	31605
42-329-33570	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-33571	PARKER & PARSLEY DEVELOPMENT L.P
42-329-33572	PIONEER NATURAL RES. USA, INC.	Oil	32990
42-329-33573	PIONEER NATURAL RES. USA, INC.	Oil	33406
42-329-33574	PIONEER NATURAL RES. USA, INC.	Oil	29653
42-329-33575	PIONEER NATURAL RES. USA, INC.	Oil	21487
42-329-33576	PIONEER NATURAL RES. USA, INC.	Oil	21487
42-329-33577	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33578	ENERGAS COMPANY
42-329-33579	ENERGAS COMPANY
42-329-33580	ENERGAS COMPANY
42-329-33581	ENERGAS COMPANY
42-329-33582	ENERGAS COMPANY
42-329-33583	ENERGAS COMPANY
42-329-33584	OVINTIV USA INC.	Oil	39917
42-329-33585	OVINTIV USA INC.	Oil	35175
42-329-33586	PIONEER NATURAL RES. USA, INC.	Oil	35145
42-329-33587	PIONEER NATURAL RES. USA, INC.	Oil	35145
42-329-33588	PIONEER NATURAL RES. USA, INC.	Oil	35145
42-329-33589	PIONEER NATURAL RES. USA, INC.	Oil	35145
42-329-33590	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-33591	PIONEER NATURAL RES. USA, INC.	Oil	21487
42-329-33592	PIONEER NATURAL RES. USA, INC.	Oil	34142
42-329-33593	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33594	CHEVRON U. S. A. INC.	Oil	39460
42-329-33595	CHEVRON U. S. A. INC.	Oil	32075
42-329-33596	OVINTIV USA INC.	Oil	39897
42-329-33597	OVINTIV USA INC.	Oil	34717
42-329-33598	OVINTIV USA INC.	Oil	39908
42-329-33599	G P II ENERGY, INC.
42-329-33600	PIONEER NATURAL RES. USA, INC.	Oil	21487
42-329-33601	PIONEER NATURAL RES. USA, INC.	Oil	21487
42-329-33602	PIONEER NATURAL RES. USA, INC.	Oil	21487
42-329-33603	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33604	OVINTIV USA INC.	Oil	39916
42-329-33605	OVINTIV USA INC.	Oil	35175
42-329-33606	PIONEER NATURAL RES. USA, INC.	Oil	35169
42-329-33607	Apache Corporation	Oil	14387
42-329-33608	PIONEER NATURAL RES. USA, INC.	Oil	21487
42-329-33609	PIONEER NATURAL RES. USA, INC.	Oil	21487
42-329-33610	CHEVRON U. S. A. INC.	Oil	35296
42-329-33611	CHEVRON U. S. A. INC.	Oil	35296
42-329-33612	ENDEAVOR ENERGY RESOURCES L.P.	Gas	170427
42-329-33613	CHEVRON U. S. A. INC.	Oil	35296
42-329-33614	CHEVRON U. S. A. INC.	Oil	35296
42-329-33615	CHEVRON U. S. A. INC.	Oil	35296
42-329-33616	CHEVRON U. S. A. INC.	Oil	35296
42-329-33617	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-33618	PIONEER NATURAL RES. USA, INC.	Oil	21487
42-329-33619	PIONEER NATURAL RES. USA, INC.	Oil	21487
42-329-33620	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33621	PIONEER NATURAL RES. USA, INC.	Oil	15400
42-329-33622	Apache Corporation	Oil	35272
42-329-33623	ENDEAVOR ENERGY RESOURCES L.P.	Oil	47029
42-329-33624	Apache Corporation	Oil	34939
42-329-33625	MOJAVE OPERATING COMPANY	Oil	36038
42-329-33626	STEPHENS, AUTRY C.
42-329-33627	ENDEAVOR ENERGY RESOURCES L.P.	Oil	48374
42-329-33628	ENDEAVOR ENERGY RESOURCES L.P.	Oil	47029
42-329-33629	Legacy Reserves Operating LP	Oil	34640
42-329-33630	CHEVRON U. S. A. INC.	Oil	40423
42-329-33631	G P II ENERGY, INC.	Gas	169439
42-329-33632	OVINTIV USA INC.	Oil	35251
42-329-33633	OVINTIV USA INC.	Oil	35251
42-329-33634	OVINTIV USA INC.	Oil	39927
42-329-33635	ARCO PERMIAN
42-329-33636	CHEVRON U. S. A. INC.	Oil	46052
42-329-33637	CHEVRON U. S. A. INC.	Gas	163359
42-329-33638	TEXACO E & P INC.	Oil	35325
42-329-33639	CHEVRON U. S. A. INC.	Gas	185119
42-329-33640	CHEVRON U. S. A. INC.	Oil	35316
42-329-33641	CHEVRON U. S. A. INC.	Oil	35316
42-329-33642	Apache Corporation	Oil	35276
42-329-33643	OVINTIV USA INC.	Oil	39921
42-329-33644	ENDEAVOR ENERGY RESOURCES L.P.	Oil	39311
42-329-33645	ENDEAVOR ENERGY RESOURCES L.P.	Oil	23394
42-329-33646
42-329-33647	CHEVRON U. S. A. INC.	Oil	35238
42-329-33648	ENDEAVOR ENERGY RESOURCES L.P.	Oil	35357
42-329-33649	ENDEAVOR ENERGY RESOURCES L.P.	Oil	35356
42-329-33650	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-33651	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-33652	PIONEER NATURAL RES. USA, INC.	Oil	34948
42-329-33653	TEXACO E & P INC.	Oil	36014
42-329-33654	CHEVRON U. S. A. INC.	Gas	167652
42-329-33655	CHEVRON U. S. A. INC.	Gas	164490
42-329-33656	CHEVRON U. S. A. INC.	Gas	164491
42-329-33657	PIONEER NATURAL RES. USA, INC.	Oil	35410
42-329-33658	OVINTIV USA INC.	Oil	35327
42-329-33659	OVINTIV USA INC.	Oil	35327
42-329-33660	OVINTIV USA INC.	Oil	35327
42-329-33661	OVINTIV USA INC.	Oil	39912
42-329-33662
42-329-33663	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-33664	CHEVRON U. S. A. INC.	Oil	35238
42-329-33665	CHEVRON U. S. A. INC.	Oil	40423
42-329-33666	CHEVRON U. S. A. INC.	Gas	163601
42-329-33667	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-33668	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-33669	Apache Corporation	Oil	34447
42-329-33670	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-33671	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-33672	PIONEER NATURAL RES. USA, INC.	Oil	35169
42-329-33673	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-33674	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-33675	PIONEER NATURAL RES. USA, INC.	Oil	34855
42-329-33676	DIAMONDBACK E&P LLC	Oil	35371
42-329-33677	Apache Corporation	Oil	34447
42-329-33678	Apache Corporation	Oil	34447
42-329-33679	Apache Corporation	Oil	34447
42-329-33680	PIONEER NATURAL RES. USA, INC.	Oil	34855
42-329-33681	CHEVRON U. S. A. INC.	Gas	286973
42-329-33682	PIONEER NATURAL RES. USA, INC.	Oil	35411
42-329-33683	PIONEER NATURAL RES. USA, INC.	Oil	35411
42-329-33684	PIONEER NATURAL RES. USA, INC.	Oil	34451
42-329-33685	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-33686	Apache Corporation	Oil	35367
42-329-33687	Apache Corporation	Oil	34447
42-329-33688	CHEVRON U. S. A. INC.	Gas	166544
42-329-33689	XTO ENERGY INC.	Gas	164538
42-329-33690	Apache Corporation	Oil	35365
42-329-33691	XTO ENERGY INC.	Gas	165082
42-329-33692	CHEVRON U. S. A. INC.	Gas	164489
42-329-33693	Apache Corporation	Oil	34447
42-329-33694	Apache Corporation	Oil	34447
42-329-33695	Apache Corporation	Oil	34447
42-329-33696	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-33697	PIONEER NATURAL RES. USA, INC.	Oil	35411
42-329-33698	CHEVRON U. S. A. INC.	Oil	20092
42-329-33699	CROWNQUEST OPERATING, LLC	Gas	167268
42-329-33700	CHEVRON U. S. A. INC.	Gas	165711
42-329-33701	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-33702	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-33703	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-33704	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-33705	PIONEER NATURAL RES. USA, INC.	Oil	35936
42-329-33706	OVINTIV USA INC.	Oil	35360
42-329-33707	OVINTIV USA INC.	Oil	35360
42-329-33708	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33709	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33710	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33711	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33712	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33713	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33714	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-33715	CHEVRON U. S. A. INC.	Oil	40423
42-329-33716	Apache Corporation	Oil	35272
42-329-33717	Apache Corporation	Oil	34447
42-329-33718	Apache Corporation	Oil	34447
42-329-33719	Apache Corporation	Oil	34447
42-329-33720	Apache Corporation	Oil	34447
42-329-33721	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-33722	Apache Corporation	Oil	35393
42-329-33723	TERRACE PETROLEUM CORPORATION	Oil	35392
42-329-33724	TEXACO E & P INC.
42-329-33725	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33726	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-33727	Apache Corporation	Oil	34447
42-329-33728	CHEVRON U. S. A. INC.	Oil	35625
42-329-33729	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-33730	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-33731	TEXACO E & P INC.
42-329-33732	CHEVRON U. S. A. INC.	Gas	166546
42-329-33733	OVINTIV USA INC.	Oil	39891
42-329-33734	OVINTIV USA INC.	Oil	35390
42-329-33735	OVINTIV USA INC.	Oil	39892
42-329-33736	OVINTIV USA INC.	Oil	35390
42-329-33737	OVINTIV USA INC.	Oil	35037
42-329-33738	OVINTIV USA INC.	Oil	39896
42-329-33739	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33740	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33741	PARKER & PARSLEY DEVELOPMENT L.P	Oil	18187
42-329-33742	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33743	Apache Corporation	Oil	35272
42-329-33744	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33745	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33746
42-329-33747	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33748	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33749	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33750	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33751	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-33752	PIONEER NATURAL RES. USA, INC.	Oil	35629
42-329-33753	PIONEER NATURAL RES. USA, INC.	Oil	35411
42-329-33754	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33755	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33756	PIONEER NATURAL RES. USA, INC.	Oil	15400
42-329-33757	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-33758	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33759	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-33760	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-33761	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-33762	Apache Corporation	Oil	35393
42-329-33763	Apache Corporation	Oil	35393
42-329-33764	Apache Corporation	Oil	35272
42-329-33765	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-33766	OVINTIV USA INC.	Oil	35439
42-329-33767	OVINTIV USA INC.	Oil	35439
42-329-33768	OVINTIV USA INC.	Oil	35439
42-329-33769	OVINTIV USA INC.	Oil	35439
42-329-33770	Apache Corporation	Oil	35552
42-329-33771	Apache Corporation	Oil	35552
42-329-33772	Apache Corporation	Oil	35552
42-329-33773	DE3 OPERATING LLC	Oil	21990
42-329-33774	TEXACO E & P INC.	Oil	35990
42-329-33775	CHEVRON U. S. A. INC.	Gas	166548
42-329-33776	PIONEER NATURAL RES. USA, INC.	Oil	15400
42-329-33777	OVINTIV USA INC.	Oil	35482
42-329-33778	OVINTIV USA INC.	Oil	35482
42-329-33779	OVINTIV USA INC.	Oil	35482
42-329-33780	XTO ENERGY INC.	Gas	167211
42-329-33781	ENDEAVOR ENERGY RESOURCES L.P.	Oil	23394
42-329-33782	Apache Corporation	Oil	35510
42-329-33783	Apache Corporation	Oil	35510
42-329-33784	Apache Corporation	Oil	35510
42-329-33785	Apache Corporation	Oil	35510
42-329-33786	ARCO PERMIAN
42-329-33787	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33788	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33789	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33790	OVINTIV USA INC.	Oil	35469
42-329-33791	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33792	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-33793	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-33794	PIONEER NATURAL RES. USA, INC.	Oil	26060
42-329-33795	Apache Corporation	Gas	281157
42-329-33796	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33797	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33798	OVINTIV USA INC.	Oil	35490
42-329-33799	ENDEAVOR ENERGY RESOURCES L.P.	Oil	35508
42-329-33800	Apache Corporation	Gas	166540
42-329-33801	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-33802	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-33803	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-33804	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-33805	OVINTIV USA INC.	Oil	35468
42-329-33806	OVINTIV USA INC.	Oil	35551
42-329-33807	Apache Corporation	Oil	35516
42-329-33808	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-33809	CHEVRON U. S. A. INC.	Gas	166547
42-329-33810	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-33811	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-33812	G P II ENERGY, INC.	Oil	36243
42-329-33813	CHEVRON U. S. A. INC.	Gas	168032
42-329-33814	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-33815	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-33816	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-33817	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-33818	OVINTIV USA INC.	Oil	35488
42-329-33819	OVINTIV USA INC.	Oil	35489
42-329-33820	ENDEAVOR ENERGY RESOURCES L.P.	Oil	34322
42-329-33821	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36144
42-329-33822	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-33823	ENDEAVOR ENERGY RESOURCES L.P.	Oil	21412
42-329-33824	JM COX RESOURCES, L.P.	Oil	21939
42-329-33825	ENDEAVOR ENERGY RESOURCES L.P.	Oil	21412
42-329-33826	COG OPERATING LLC	Gas	168257
42-329-33827	Apache Corporation	Oil	34939
42-329-33828	Apache Corporation	Oil	35516
42-329-33829	OVINTIV USA INC.	Oil	35037
42-329-33830	OVINTIV USA INC.	Oil	35037
42-329-33831	OVINTIV USA INC.	Oil	34576
42-329-33832	OVINTIV USA INC.	Oil	34974
42-329-33833	OVINTIV USA INC.	Oil	39909
42-329-33834	OVINTIV USA INC.	Oil	34717
42-329-33835	OVINTIV USA INC.	Oil	34576
42-329-33836	OVINTIV USA INC.	Oil	34717
42-329-33837	OVINTIV USA INC.	Oil	34717
42-329-33838	CHEVRON U. S. A. INC.	Gas	168123
42-329-33839	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33840	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33841	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33842	ENDEAVOR ENERGY RESOURCES L.P.	Oil	35520
42-329-33843	ENDEAVOR ENERGY RESOURCES L.P.	Oil	35601
42-329-33844	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33845	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33846	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33847	CHEVRON U. S. A. INC.	Gas	285587
42-329-33848	Apache Corporation	Oil	35365
42-329-33849	Apache Corporation	Oil	34939
42-329-33850
42-329-33851	XTO ENERGY INC.	Gas	168124
42-329-33852	ENDEAVOR ENERGY RESOURCES L.P.	Oil	35596
42-329-33853	DIAMONDBACK E&P LLC	Oil	35602
42-329-33854	PIONEER NATURAL RES. USA, INC.	Oil	15400
42-329-33855	OVINTIV USA INC.	Oil	50054
42-329-33856	OVINTIV USA INC.	Oil	35690
42-329-33857	OVINTIV USA INC.	Oil	35649
42-329-33858	OVINTIV USA INC.	Oil	35603
42-329-33859	OVINTIV USA INC.	Oil	35644
42-329-33860	OVINTIV USA INC.	Oil	35717
42-329-33861	OVINTIV USA INC.	Oil	35822
42-329-33862	OVINTIV USA INC.	Oil	35595
42-329-33863	OXY USA WTP LP	Oil	31940
42-329-33864	OXY USA WTP LP	Oil	31940
42-329-33865	OXY USA INC.	Oil	31940
42-329-33866	CHEVRON U. S. A. INC.	Oil	34400
42-329-33867	CHEVRON U. S. A. INC.	Gas	167654
42-329-33868	Apache Corporation	Oil	35548
42-329-33869	Apache Corporation	Oil	35599
42-329-33870	Apache Corporation	Oil	35599
42-329-33871	Apache Corporation	Oil	35599
42-329-33872	Apache Corporation	Oil	35599
42-329-33873	Apache Corporation	Oil	35365
42-329-33874	ENDEAVOR ENERGY RESOURCES L.P.	Oil	35638
42-329-33875	OVINTIV USA INC.	Oil	35647
42-329-33876	ARCO PERMIAN
42-329-33877	ARCO PERMIAN
42-329-33878	OVINTIV USA INC.	Oil	35604
42-329-33879	OVINTIV USA INC.	Oil	35573
42-329-33880	OVINTIV USA INC.	Oil	35700
42-329-33881	OVINTIV USA INC.	Oil	35800
42-329-33882	OVINTIV USA INC.	Oil	35688
42-329-33883	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33884	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33885	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33886	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33887	Apache Corporation	Oil	35365
42-329-33888	Apache Corporation	Oil	35548
42-329-33889	TEXACO E & P INC.
42-329-33890	TEXACO E & P INC.
42-329-33891	CHEVRON U. S. A. INC.	Gas	168539
42-329-33892	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33893	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33894	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33895	TEXACO E & P INC.
42-329-33896	CHEVRON U. S. A. INC.	Oil	34400
42-329-33897	CHEVRON U. S. A. INC.	Oil	34400
42-329-33898	TEXACO E & P INC.
42-329-33899	CHEVRON U. S. A. INC.	Oil	34400
42-329-33900	TEXACO E & P INC.
42-329-33901	TEXACO E & P INC.
42-329-33902	CHEVRON U. S. A. INC.	Oil	34400
42-329-33903	DE3 OPERATING LLC	Oil	22513
42-329-33904	BP America Production Company	Gas	167656
42-329-33905	PIONEER NATURAL RES. USA, INC.	Oil	34853
42-329-33906	Legacy Reserves Operating LP	Oil	35661
42-329-33907	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33908	Apache Corporation	Oil	35660
42-329-33909	Apache Corporation	Oil	35660
42-329-33910	Apache Corporation	Oil	35660
42-329-33911	Apache Corporation	Oil	35660
42-329-33912	Apache Corporation	Oil	35516
42-329-33913	Apache Corporation	Oil	35548
42-329-33914	OVINTIV USA INC.	Oil	35749
42-329-33915	OVINTIV USA INC.	Oil	35830
42-329-33916	PIONEER NATURAL RES. USA, INC.	Oil	15400
42-329-33917	ENDEAVOR ENERGY RESOURCES L.P.	Oil	23394
42-329-33918	ENDEAVOR ENERGY RESOURCES L.P.	Oil	35706
42-329-33919	ENDEAVOR ENERGY RESOURCES L.P.	Oil	35677
42-329-33920	ENDEAVOR ENERGY RESOURCES L.P.	Oil	35648
42-329-33921	ENDEAVOR ENERGY RESOURCES L.P.	Oil	35707
42-329-33922	Apache Corporation	Oil	35367
42-329-33923	Apache Corporation	Oil	35516
42-329-33924	Apache Corporation	Oil	35367
42-329-33925	Apache Corporation	Oil	35367
42-329-33926
42-329-33927	Apache Corporation	Oil	35623
42-329-33928	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36144
42-329-33929	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36144
42-329-33930	RICKS EXPLORATION, INC.	Gas	168203
42-329-33931	XTO ENERGY INC.	Gas	169094
42-329-33932	XTO ENERGY INC.	Gas	168901
42-329-33933	ENDEAVOR ENERGY RESOURCES L.P.	Oil	23394
42-329-33934	CHEVRON U. S. A. INC.	Gas	168541
42-329-33935	ENDEAVOR ENERGY RESOURCES L.P.	Oil	35858
42-329-33936	Apache Corporation	Oil	34939
42-329-33937	PIONEER NATURAL RES. USA, INC.	Oil	35411
42-329-33938	OVINTIV USA INC.	Oil	35664
42-329-33939	OVINTIV USA INC.	Oil	35664
42-329-33940	OVINTIV USA INC.	Oil	35664
42-329-33941	OVINTIV USA INC.	Oil	35664
42-329-33942	OXY USA INC.
42-329-33943	CHEVRON U. S. A. INC.	Oil	35296
42-329-33944	Apache Corporation	Oil	35552
42-329-33945	Apache Corporation	Oil	35552
42-329-33946	Apache Corporation	Oil	35272
42-329-33947	Apache Corporation	Oil	35393
42-329-33948	OVINTIV USA INC.	Oil	35663
42-329-33949	OVINTIV USA INC.	Oil	35663
42-329-33950	OVINTIV USA INC.	Oil	35663
42-329-33951	OVINTIV USA INC.	Oil	35663
42-329-33952	Apache Corporation	Gas	168558
42-329-33953	BP America Production Company	Gas	169504
42-329-33954	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-33955	PIONEER NATURAL RES. USA, INC.
42-329-33956	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-33957	OVINTIV USA INC.	Oil	35769
42-329-33958	OVINTIV USA INC.	Oil	35769
42-329-33959	OVINTIV USA INC.	Oil	35769
42-329-33960	ARCO PERMIAN
42-329-33961	Apache Corporation	Oil	35510
42-329-33962	Apache Corporation	Oil	35510
42-329-33963	Apache Corporation	Oil	35510
42-329-33964	ENVIRONMENTAL DSPL SYSTEMS, LLC	Oil	35723
42-329-33965	OVINTIV USA INC.	Oil	35724
42-329-33966	OXY USA WTP LP	Oil	31940
42-329-33967	CHEVRON U. S. A. INC.	Gas	168854
42-329-33968	CHEVRON U. S. A. INC.	Gas	168855
42-329-33969	TEXACO E & P INC.
42-329-33970	CHEVRON U. S. A. INC.	Gas	170549
42-329-33971	TEXACO E & P INC.
42-329-33972	Apache Corporation	Oil	35652
42-329-33973	Cox, John L.	Oil	23635
42-329-33974	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-33975	PIONEER NATURAL RES. USA, INC.	Oil	21487
42-329-33976	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-33977	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-33978	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-33979	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-33980	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-33981	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-33982	PIONEER NATURAL RES. USA, INC.	Oil	21487
42-329-33983	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-33984	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-33985	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-33986
42-329-33987	Apache Corporation	Oil	34939
42-329-33988	ENDEAVOR ENERGY RESOURCES L.P.	Oil	21513
42-329-33989	Apache Corporation	Oil	35652
42-329-33990	Apache Corporation	Oil	35652
42-329-33991	XTO ENERGY INC.	Gas	168706
42-329-33992	PIONEER NATURAL RES. USA, INC.	Oil	21487
42-329-33993	PIONEER NATURAL RES. USA, INC.	Oil	35770
42-329-33994	PIONEER NATURAL RES. USA, INC.	Oil	35693
42-329-33995	PIONEER NATURAL RES. USA, INC.	Oil	35682
42-329-33996	PIONEER NATURAL RES. USA, INC.	Oil	35682
42-329-33997	PIONEER NATURAL RES. USA, INC.	Oil	35693
42-329-33998	Apache Corporation	Oil	34939
42-329-33999	PIONEER NATURAL RES. USA, INC.	Oil	21487
42-329-34000	ENDEAVOR ENERGY RESOURCES L.P.	Oil	35865
42-329-34001	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36171
42-329-34002	OVINTIV USA INC.	Oil	35743
42-329-34003	ENCANA OIL & GAS(USA) INC.	Oil	35810
42-329-34004	OVINTIV USA INC.	Oil	35734
42-329-34005	ENCANA OIL & GAS(USA) INC.	Oil	35735
42-329-34006	COG OPERATING LLC	Gas	169307
42-329-34007	ENCANA OIL & GAS(USA) INC.	Oil	35829
42-329-34008	PIONEER NATURAL RES. USA, INC.	Oil	21487
42-329-34009	PIONEER NATURAL RES. USA, INC.
42-329-34010	PIONEER NATURAL RES. USA, INC.	Oil	15400
42-329-34011	PIONEER NATURAL RES. USA, INC.	Oil	15400
42-329-34012	TEXACO E & P INC.
42-329-34013	TEXACO E & P INC.
42-329-34014	TEXACO E & P INC.	Oil	35790
42-329-34015	TEXACO E & P INC.
42-329-34016	PIONEER NATURAL RES. USA, INC.	Oil	34457
42-329-34017	PIONEER NATURAL RES. USA, INC.	Oil	15400
42-329-34018	PIONEER NATURAL RES. USA, INC.	Oil	34454
42-329-34019	PIONEER NATURAL RES. USA, INC.	Oil	15400
42-329-34020	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-34021	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-34022	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-34023	ENDEAVOR ENERGY RESOURCES L.P.	Oil	21860
42-329-34024	XTO ENERGY INC.	Gas	169336
42-329-34025	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-34026	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-34027	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-34028	PIONEER NATURAL RES. USA, INC.	Oil	15400
42-329-34029	PIONEER NATURAL RES. USA, INC.	Oil	15400
42-329-34030	Apache Corporation	Oil	35727
42-329-34031	Apache Corporation	Oil	35727
42-329-34032	Apache Corporation	Oil	35727
42-329-34033	Apache Corporation	Oil	35727
42-329-34034	XTO ENERGY INC.	Gas	169333
42-329-34035	Apache Corporation	Oil	35773
42-329-34036	PIONEER NATURAL RES. USA, INC.	Oil	15400
42-329-34037	Apache Corporation	Oil	35510
42-329-34038	Apache Corporation	Oil	35773
42-329-34039	Apache Corporation	Oil	35773
42-329-34040	Apache Corporation	Oil	35773
42-329-34041	OVINTIV USA INC.	Oil	35768
42-329-34042	OVINTIV USA INC.	Oil	35799
42-329-34043	ARCO PERMIAN	Oil	35779
42-329-34044	OVINTIV USA INC.	Oil	35832
42-329-34045	OVINTIV USA INC.	Oil	35820
42-329-34046	ENCANA OIL & GAS(USA) INC.	Oil	35764
42-329-34047	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-34048	PIONEER NATURAL RES. USA, INC.
42-329-34049	PIONEER NATURAL RES. USA, INC.
42-329-34050	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-34051	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-34052	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-34053	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-34054	PIONEER NATURAL RES. USA, INC.	Oil	15400
42-329-34055	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-34056	ARCO PERMIAN
42-329-34057
42-329-34058
42-329-34059
42-329-34060	PIONEER NATURAL RES. USA, INC.	Oil	34471
42-329-34061	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-34062	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-34063	Apache Corporation	Oil	35272
42-329-34064	Apache Corporation	Oil	35393
42-329-34065	PIONEER NATURAL RES. USA, INC.	Oil	15400
42-329-34066	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-34067	XTO ENERGY INC.	Gas	170300
42-329-34068	ARCO PERMIAN
42-329-34069	ARCO PERMIAN
42-329-34070	ARCO PERMIAN
42-329-34071	ARCO PERMIAN
42-329-34072	Apache Corporation	Gas	170383
42-329-34073	ARKLAND PRODUCING CO., INC.
42-329-34074
42-329-34075	OVINTIV USA INC.	Oil	35769
42-329-34076	PIONEER NATURAL RES. USA, INC.	Oil	34853
42-329-34077	XTO ENERGY INC.	Gas	169648
42-329-34078	OVINTIV USA INC.	Oil	35769
42-329-34079	OVINTIV USA INC.	Oil	35769
42-329-34080	OVINTIV USA INC.	Oil	35664
42-329-34081	Apache Corporation	Oil	35599
42-329-34082	Apache Corporation	Oil	35599
42-329-34083	Apache Corporation	Oil	35599
42-329-34084	Apache Corporation	Oil	35599
42-329-34085	OVINTIV USA INC.	Oil	35664
42-329-34086	OVINTIV USA INC.	Oil	35664
42-329-34087	OVINTIV USA INC.	Oil	35664
42-329-34088	XTO ENERGY INC.	Gas	170469
42-329-34089	Apache Corporation	Oil	35623
42-329-34090	Apache Corporation	Oil	35652
42-329-34091	PIONEER NATURAL RES. USA, INC.	Oil	35861
42-329-34092	Apache Corporation	Oil	35856
42-329-34093	Apache Corporation	Oil	35856
42-329-34094	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36170
42-329-34095	Apache Corporation	Oil	35831
42-329-34096	XTO ENERGY INC.	Gas	170474
42-329-34097	PIONEER NATURAL RES. USA, INC.	Oil	06451
42-329-34098	PIONEER NATURAL RES. USA, INC.	Oil	06451
42-329-34099	Apache Corporation	Gas	170384
42-329-34100	PIONEER NATURAL RES. USA, INC.	Oil	06451
42-329-34101	PIONEER NATURAL RES. USA, INC.	Oil	06451
42-329-34102	MOBIL PRODUCING TX. & N.M. INC.
42-329-34103	PIONEER NATURAL RES. USA, INC.	Oil	06451
42-329-34104	PIONEER NATURAL RES. USA, INC.	Oil	06451
42-329-34105	PIONEER NATURAL RES. USA, INC.	Oil	06451
42-329-34106	Apache Corporation	Oil	35773
42-329-34107	Apache Corporation	Oil	35773
42-329-34108	Apache Corporation	Oil	35773
42-329-34109	Apache Corporation	Oil	35773
42-329-34110	PIONEER NATURAL RES. USA, INC.	Oil	06451
42-329-34111	PIONEER NATURAL RES. USA, INC.	Oil	06451
42-329-34112	PIONEER NATURAL RES. USA, INC.	Oil	06451
42-329-34113	PIONEER NATURAL RES. USA, INC.	Oil	06451
42-329-34114	Apache Corporation	Oil	35272
42-329-34115	Apache Corporation	Oil	35393
42-329-34116	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36104
42-329-34117	STEPHENS, AUTRY C.
42-329-34118	Apache Corporation	Oil	34447
42-329-34119	Apache Corporation	Oil	34447
42-329-34120	Apache Corporation	Oil	34447
42-329-34121	Apache Corporation	Oil	34447
42-329-34122	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36144
42-329-34123	PIONEER NATURAL RES. USA, INC.	Oil	15400
42-329-34124	XTO ENERGY INC.	Gas	172304
42-329-34125	PIONEER NATURAL RES. USA, INC.	Oil	15400
42-329-34126	PIONEER NATURAL RES. USA, INC.	Oil	15400
42-329-34127	ENDEAVOR ENERGY RESOURCES L.P.	Oil	35975
42-329-34128	XTO ENERGY INC.	Gas	172686
42-329-34129	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36139
42-329-34130	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36203
42-329-34131	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37155
42-329-34132	Apache Corporation	Oil	35950
42-329-34133	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36220
42-329-34134	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36097
42-329-34135	Henry Petroleum Corp.
42-329-34136	LONE STAR PIPELINE COMPANY
42-329-34137	G P II ENERGY, INC.
42-329-34138	PIONEER NATURAL RES. USA, INC.	Oil	15400
42-329-34139	Apache Corporation	Gas	173830
42-329-34140	TEXACO E & P INC.
42-329-34142	DIAMONDBACK E&P LLC	Oil	16486
42-329-34143	DIAMONDBACK E&P LLC	Oil	16417
42-329-34144	DIAMONDBACK E&P LLC	Oil	16417
42-329-34145	DIAMONDBACK E&P LLC	Oil	16295
42-329-34146	DIAMONDBACK E&P LLC	Oil	16295
42-329-34147	DIAMONDBACK E&P LLC	Oil	16295
42-329-34148	DIAMONDBACK E&P LLC	Oil	16295
42-329-34149	DIAMONDBACK E&P LLC	Oil	16295
42-329-34150	DIAMONDBACK E&P LLC	Oil	16363
42-329-34151	DIAMONDBACK E&P LLC	Oil	16690
42-329-34152	PIONEER NATURAL RES. USA, INC.	Oil	15400
42-329-34153	PIONEER NATURAL RES. USA, INC.	Oil	15400
42-329-34154	DIAMONDBACK E&P LLC	Oil	16486
42-329-34155	BURLESON PETROLEUM, INC.	Oil	36109
42-329-34156	PIONEER NATURAL RES. USA, INC.	Oil	15400
42-329-34157	PIONEER NATURAL RES. USA, INC.	Oil	15400
42-329-34158	PIONEER NATURAL RES. USA, INC.	Oil	15400
42-329-34159	PIONEER NATURAL RES. USA, INC.	Oil	15400
42-329-34160	PIONEER NATURAL RES. USA, INC.	Oil	15400
42-329-34161	PIONEER NATURAL RES. USA, INC.	Oil	15400
42-329-34162	PIONEER NATURAL RES. USA, INC.	Oil	15400
42-329-34163	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36165
42-329-34164	DIAMONDBACK E&P LLC	Oil	16363
42-329-34165	Apache Corporation	Gas	173882
42-329-34166	ENDEAVOR ENERGY RESOURCES L.P.	Gas	174199
42-329-34167	Apache Corporation	Gas	175043
42-329-34168	Apache Corporation	Oil	29688
42-329-34169	TERRACE PETROLEUM CORPORATION	Gas	174834
42-329-34170	ENDEAVOR ENERGY RESOURCES L.P.	Gas	174933
42-329-34171	Apache Corporation	Gas	175542
42-329-34172	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36233
42-329-34173	Apache Corporation	Gas	175544
42-329-34174	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36159
42-329-34176	DE3 OPERATING LLC	Oil	36349
42-329-34177	Apache Corporation	Oil	29688
42-329-34178	ENDEAVOR ENERGY RESOURCES L.P.	Gas	175788
42-329-34179	ENDEAVOR ENERGY RESOURCES L.P.	Oil	46697
42-329-34180	Apache Corporation	Oil	29688
42-329-34181	Apache Corporation	Oil	29688
42-329-34182	Apache Corporation	Oil	29688
42-329-34183	Apache Corporation	Oil	29688
42-329-34184	CHEVRON U. S. A. INC.
42-329-34185	CHEVRON U. S. A. INC.	Oil	35625
42-329-34186	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-34187	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-34188	Apache Corporation	Oil	14979
42-329-34189	Hunt Oil Company	Oil	21071
42-329-34190	Hunt Oil Company	Oil	06398
42-329-34191	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-34192	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-34193	Hunt Oil Company	Oil	20269
42-329-34194	PIONEER NATURAL RES. USA, INC.	Oil	15400
42-329-34195	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-34196	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-34197	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-34198	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-34199	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-34200	Apache Corporation	Oil	29688
42-329-34201	CHEVRON U. S. A. INC.	Oil	35625
42-329-34202	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36227
42-329-34203	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-34204	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-34205	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-34206	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-34207	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-34208	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-34209	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-34210	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36264
42-329-34211	ENDEAVOR ENERGY RESOURCES L.P.	Gas	176237
42-329-34212	CHEVRON U. S. A. INC.	Oil	35625
42-329-34213	CHEVRON U. S. A. INC.	Oil	36369
42-329-34214	PIONEER NATURAL RES. USA, INC.	Oil	37336
42-329-34215	TERRACE PETROLEUM CORPORATION	Oil	36450
42-329-34216	Hunt Oil Company	Oil	21071
42-329-34217	ENDEAVOR ENERGY RESOURCES L.P.	Gas	176067
42-329-34218	Apache Corporation	Oil	29688
42-329-34219	DIAMONDBACK E&P LLC	Oil	16363
42-329-34220	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36497
42-329-34221	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36265
42-329-34222	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-34223	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-34224	CONCHO RESOURCES INC.
42-329-34225	COG OPERATING LLC	Oil	36277
42-329-34226	PIONEER NATURAL RES. USA, INC.
42-329-34227	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-34228	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-34229	ENDEAVOR ENERGY RESOURCES L.P.	Gas	176955
42-329-34230	CMS OIL AND GAS COMPANY
42-329-34231	CMS OIL AND GAS COMPANY	Oil	36639
42-329-34232	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-34233	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-34234	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-34235	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36343
42-329-34236	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-34237	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-34238	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-34239	Collins & Ware, Inc.
42-329-34240	PRIME OPERATING COMPANY
42-329-34241	ENDEAVOR ENERGY RESOURCES L.P.	Oil	45369
42-329-34242	ENERGEN RESOURCES CORPORATION	Oil	32083
42-329-34243	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-34244
42-329-34245	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36306
42-329-34246	CMS OIL AND GAS COMPANY	Oil	36640
42-329-34247	ENDEAVOR ENERGY RESOURCES L.P.	Gas	176498
42-329-34248	ENDEAVOR ENERGY RESOURCES L.P.	Oil	21412
42-329-34249	TERRACE PETROLEUM CORPORATION	Gas	178183
42-329-34250	ENDEAVOR ENERGY RESOURCES L.P.	Oil	21412
42-329-34251	ENDEAVOR ENERGY RESOURCES L.P.	Oil	45632
42-329-34252	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-34253	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-34254	COG OPERATING LLC	Oil	36331
42-329-34255	ENDEAVOR ENERGY RESOURCES L.P.	Oil	21892
42-329-34256	Apache Corporation	Oil	36298
42-329-34257	Apache Corporation	Oil	36298
42-329-34258	Apache Corporation	Oil	36298
42-329-34259	Apache Corporation	Oil	36298
42-329-34260	Apache Corporation	Oil	36298
42-329-34261	Apache Corporation	Oil	36298
42-329-34262	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36291
42-329-34263	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-34264	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-34265	Apache Corporation	Gas	178581
42-329-34266	PIONEER NATURAL RES. USA, INC.
42-329-34267	PIONEER NATURAL RES. USA, INC.
42-329-34268	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-34269	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-34270	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-34271	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-34272	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-34273	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-34274	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-34275	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-34276	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-34277	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-34278	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-34279	DE3 OPERATING LLC	Oil	22066
42-329-34280	DE3 OPERATING LLC	Oil	22066
42-329-34281	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-34282	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-34283	CHEVRON U. S. A. INC.	Oil	36376
42-329-34284	DIAMONDBACK E&P LLC	Oil	16690
42-329-34285	DIAMONDBACK E&P LLC	Oil	16690
42-329-34286	PIONEER NATURAL RES. USA, INC.	Oil	06390
42-329-34287	Cox, John L.	Oil	22167
42-329-34288	Apache Corporation	Oil	36298
42-329-34289	Apache Corporation	Oil	36298
42-329-34290	CMS OIL AND GAS COMPANY	Gas	178570
42-329-34291	ENDEAVOR ENERGY RESOURCES L.P.	Gas	178569
42-329-34292	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36353
42-329-34293	DE3 OPERATING LLC	Oil	22513
42-329-34294	DE3 OPERATING LLC	Oil	22831
42-329-34295	Nearburg Producing Company	Oil	36590
42-329-34296	DIAMONDBACK E&P LLC	Oil	36329
42-329-34297	ENDEAVOR ENERGY RESOURCES L.P.	Gas	180362
42-329-34298	Citation Oil & Gas Corp.	Oil	33622
42-329-34299	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36353
42-329-34300	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36233
42-329-34301	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36941
42-329-34302	DIAMONDBACK E&P LLC	Oil	36351
42-329-34303	STEPHENS, AUTRY C.
42-329-34304	DIAMONDBACK E&P LLC	Oil	36373
42-329-34305	DE3 OPERATING LLC	Oil	21990
42-329-34306	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36378
42-329-34307	DE3 OPERATING LLC	Gas	183942
42-329-34308	PIONEER NATURAL RES. USA, INC.	Gas	179261
42-329-34309	DE3 OPERATING LLC	Oil	22347
42-329-34310	DE3 OPERATING LLC	Oil	22347
42-329-34311	ENDEAVOR ENERGY RESOURCES L.P.	Gas	180054
42-329-34312	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36291
42-329-34313	DISCOVERY OPERATING, INC.	Oil	36408
42-329-34314	ENDEAVOR ENERGY RESOURCES L.P.	Gas	180138
42-329-34315	DIAMONDBACK E&P LLC	Oil	16417
42-329-34316	DIAMONDBACK E&P LLC	Oil	16417
42-329-34317	DIAMONDBACK E&P LLC	Oil	16417
42-329-34318	DIAMONDBACK E&P LLC	Oil	16417
42-329-34319	XTO ENERGY INC.	Oil	36586
42-329-34320	DISCOVERY OPERATING, INC.	Oil	36408
42-329-34321	DISCOVERY OPERATING, INC.	Oil	36408
42-329-34322	DISCOVERY OPERATING, INC.	Oil	36418
42-329-34323	TEXACO E & P INC.
42-329-34324	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36291
42-329-34325	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-34326	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-34327	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-34328	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-34329	MIDLAND ENERGY, INC.	Oil	36413
42-329-34330	COG OPERATING LLC	Oil	36409
42-329-34331	XTO ENERGY INC.	Gas	181750
42-329-34332	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-34333	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-34334	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-34335	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-34336	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-34337	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-34338	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36701
42-329-34339	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36437
42-329-34340	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36437
42-329-34341	Apache Corporation	Gas	180321
42-329-34342	DIAMONDBACK E&P LLC	Oil	16363
42-329-34343	DIAMONDBACK E&P LLC	Oil	16363
42-329-34344	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-34345	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-34346	ENDEAVOR ENERGY RESOURCES L.P.	Gas	180832
42-329-34347	DISCOVERY OPERATING, INC.	Oil	36457
42-329-34348	CHEVRON U. S. A. INC.	Oil	22343
42-329-34349	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36423
42-329-34350	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36423
42-329-34351	COG OPERATING LLC	Oil	36464
42-329-34352	OXY USA WTP LP	Oil	15862
42-329-34353	DISCOVERY OPERATING, INC.	Oil	36459
42-329-34354	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-34355	Apache Corporation	Gas	182015
42-329-34356	ENDEAVOR ENERGY RESOURCES L.P.	Oil	49463
42-329-34357	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-34358	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36423
42-329-34359	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36423
42-329-34360	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36423
42-329-34361	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36423
42-329-34362	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36607
42-329-34363	DISCOVERY OPERATING, INC.	Oil	36459
42-329-34364	DISCOVERY OPERATING, INC.	Oil	36459
42-329-34365	DISCOVERY OPERATING, INC.	Oil	36459
42-329-34366	PLAINS MARKETING, L.P.
42-329-34367	PLAINS MARKETING, L.P.
42-329-34368	PLAINS MARKETING, L.P.
42-329-34369	COG OPERATING LLC	Oil	36463
42-329-34370	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36291
42-329-34371	XTO ENERGY INC.	Gas	183142
42-329-34372	CMS OIL AND GAS COMPANY	Oil	36449
42-329-34373	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36449
42-329-34374	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36449
42-329-34375	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-34376	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-34377	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-34378	PIONEER NATURAL RES. USA, INC.
42-329-34379	PIONEER NATURAL RES. USA, INC.
42-329-34380	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36503
42-329-34381	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36589
42-329-34382	DIAMONDBACK E&P LLC	Oil	36351
42-329-34383	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36506
42-329-34384	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36506
42-329-34385	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36506
42-329-34386	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36506
42-329-34387	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36760
42-329-34388	OXY USA WTP LP	Gas	205979
42-329-34389	DIAMONDBACK E&P LLC	Oil	36329
42-329-34390	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36611
42-329-34391	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36646
42-329-34392	DISCOVERY OPERATING, INC.	Oil	36457
42-329-34393	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-34394	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-34395	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-34396	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-34397	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-34398	ENDEAVOR ENERGY RESOURCES L.P.
42-329-34399
42-329-34400	PIONEER NATURAL RES. USA, INC.	Oil	36966
42-329-34401	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36423
42-329-34402	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36437
42-329-34403	Lario Oil & Gas Company	Oil	06644
42-329-34404	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36437
42-329-34405	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36506
42-329-34406	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36506
42-329-34407	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36506
42-329-34408	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36506
42-329-34409	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36506
42-329-34410	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36506
42-329-34411	Abraxas Petroleum Corporation
42-329-34412	Abraxas Petroleum Corporation
42-329-34413	Abraxas Petroleum Corporation
42-329-34414	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36423
42-329-34415	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36609
42-329-34416	ENDEAVOR ENERGY RESOURCES L.P.	Oil	43720
42-329-34417	Apache Corporation	Gas	185074
42-329-34418	PIONEER NATURAL RES. USA, INC.	Oil	37307
42-329-34419	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36423
42-329-34420	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36988
42-329-34421	OXY USA WTP LP	Oil	31940
42-329-34422	DIAMONDBACK E&P LLC	Oil	36502
42-329-34423	DIAMONDBACK E&P LLC	Oil	36502
42-329-34424	COG OPERATING LLC	Oil	36777
42-329-34425	DIAMONDBACK E&P LLC	Oil	36573
42-329-34426	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-34427	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36560
42-329-34428	DIAMONDBACK E&P LLC	Oil	36591
42-329-34429	DIAMONDBACK E&P LLC	Oil	36591
42-329-34430	DIAMONDBACK E&P LLC	Oil	36591
42-329-34431	DIAMONDBACK E&P LLC	Oil	36591
42-329-34432	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-34433	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-34434	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-34435	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-34436	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-34437	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-34438	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36532
42-329-34439	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36532
42-329-34440	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36449
42-329-34441	CMS OIL AND GAS COMPANY	Oil	36449
42-329-34442	CMS OIL AND GAS COMPANY
42-329-34443	COG OPERATING LLC	Oil	36464
42-329-34444	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36353
42-329-34445	DISCOVERY OPERATING, INC.	Oil	36561
42-329-34446	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36543
42-329-34447	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36543
42-329-34448	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36617
42-329-34449	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36618
42-329-34450	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36583
42-329-34451	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36583
42-329-34452	CONCHO RESOURCES INC.
42-329-34453	CONCHO RESOURCES INC.
42-329-34454	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36560
42-329-34455	ENDEAVOR ENERGY RESOURCES L.P.	Oil	39312
42-329-34456	DISCOVERY OPERATING, INC.	Oil	36561
42-329-34457	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36602
42-329-34458	COG OPERATING LLC	Oil	36463
42-329-34459	COG OPERATING LLC	Oil	36277
42-329-34460	ENDEAVOR ENERGY RESOURCES L.P.	Oil	53597
42-329-34461	Apache Corporation	Gas	186446
42-329-34462	Apache Corporation	Gas	184694
42-329-34463	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36644
42-329-34464	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36644
42-329-34465	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36233
42-329-34466	MIDLAND ENERGY, INC.	Oil	36413
42-329-34467	COG OPERATING LLC	Oil	36596
42-329-34468	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36423
42-329-34469	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36423
42-329-34470	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36423
42-329-34471	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36423
42-329-34472	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36594
42-329-34473	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36594
42-329-34474	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36611
42-329-34475	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36646
42-329-34476	DISCOVERY OPERATING, INC.	Oil	36585
42-329-34477	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36602
42-329-34478	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36634
42-329-34479	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36634
42-329-34480	DIAMONDBACK E&P LLC	Oil	36502
42-329-34481	ENDEAVOR ENERGY RESOURCES L.P.	Oil	45739
42-329-34482	DISCOVERY OPERATING, INC.	Oil	36585
42-329-34483	PIONEER NATURAL RES. USA, INC.	Oil	37160
42-329-34484	Legacy Reserves Operating LP	Gas	278344
42-329-34485	COG OPERATING LLC	Oil	36464
42-329-34486	COG OPERATING LLC	Oil	36596
42-329-34487	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37062
42-329-34488	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36423
42-329-34489	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36423
42-329-34490	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36648
42-329-34491	PIONEER NATURAL RES. USA, INC.	Oil	21487
42-329-34492	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37234
42-329-34493	PIONEER NATURAL RES. USA, INC.	Oil	21487
42-329-34494	PIONEER NATURAL RES. USA, INC.	Oil	21487
42-329-34495	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36654
42-329-34496	ENDEAVOR ENERGY RESOURCES L.P.	Oil	49460
42-329-34497	ENDEAVOR ENERGY RESOURCES L.P.	Oil	49460
42-329-34498	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36654
42-329-34499	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36423
42-329-34500	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36423
42-329-34501	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36543
42-329-34502	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36449
42-329-34503	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36449
42-329-34504	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36449
42-329-34505	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36648
42-329-34506	DISCOVERY OPERATING, INC.	Oil	36561
42-329-34507	DISCOVERY OPERATING, INC.	Oil	36652
42-329-34508	DISCOVERY OPERATING, INC.	Oil	36457
42-329-34509	DISCOVERY OPERATING, INC.	Oil	36561
42-329-34510	PIONEER NATURAL RES. USA, INC.	Oil	21487
42-329-34511	PIONEER NATURAL RES. USA, INC.	Oil	21487
42-329-34512	PIONEER NATURAL RES. USA, INC.	Oil	21487
42-329-34513	PIONEER NATURAL RES. USA, INC.	Oil	21487
42-329-34514	PIONEER NATURAL RES. USA, INC.	Oil	21487
42-329-34515	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36648
42-329-34516	ENDEAVOR ENERGY RESOURCES L.P.	Gas	192411
42-329-34517	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36506
42-329-34518	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36506
42-329-34519	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36506
42-329-34520	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36449
42-329-34521	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36506
42-329-34522	ENDEAVOR ENERGY RESOURCES L.P.	Gas	184696
42-329-34523	PIONEER NATURAL RES. USA, INC.	Oil	21487
42-329-34524	PIONEER NATURAL RES. USA, INC.	Oil	21487
42-329-34525	Sm Energy Company	Oil	36604
42-329-34526	Sm Energy Company	Oil	36604
42-329-34527	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-34528	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36653
42-329-34529	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36506
42-329-34530	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36506
42-329-34531	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36506
42-329-34532	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36506
42-329-34533	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36506
42-329-34534	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36506
42-329-34535	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36543
42-329-34536	DISCOVERY OPERATING, INC.	Oil	36700
42-329-34537	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36437
42-329-34538	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36437
42-329-34539	DISCOVERY OPERATING, INC.	Oil	36655
42-329-34540	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-34541	ENDEAVOR ENERGY RESOURCES L.P.	Oil	39720
42-329-34542	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36617
42-329-34543	TXU LONE STAR PIPELINE
42-329-34544	DIAMONDBACK E&P LLC	Oil	21223
42-329-34545	DIAMONDBACK E&P LLC	Oil	21223
42-329-34546	DISCOVERY OPERATING, INC.	Oil	36655
42-329-34547	DISCOVERY OPERATING, INC.	Oil	36585
42-329-34548	DISCOVERY OPERATING, INC.	Oil	36700
42-329-34549	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-34550	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-34551	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-34552	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-34553	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-34554	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36750
42-329-34555	CHEVRON U. S. A. INC.	Oil	36369
42-329-34556	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-34557	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-34558	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-34559	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-34560	OXY USA WTP LP	Gas	205980
42-329-34561	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36543
42-329-34562	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36543
42-329-34563	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36677
42-329-34564	PRIME OPERATING COMPANY	Oil	27654
42-329-34565	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36677
42-329-34566	PIONEER NATURAL RES. USA, INC.	Oil	15254
42-329-34567	Lario Oil & Gas Company	Oil	36632
42-329-34568	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36644
42-329-34569	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36644
42-329-34570	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36644
42-329-34571	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36644
42-329-34572	DIAMONDBACK E&P LLC	Oil	21223
42-329-34573	DIAMONDBACK E&P LLC	Oil	21223
42-329-34574	ENDEAVOR ENERGY RESOURCES L.P.	Gas	185610
42-329-34575	ENDEAVOR ENERGY RESOURCES L.P.	Gas	185774
42-329-34576	BOLGER OPERATING CO.	Oil	28766
42-329-34577	XTO ENERGY INC.	Gas	191113
42-329-34578	CROWNQUEST OPERATING, LLC	Oil	37137
42-329-34579	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36804
42-329-34580	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36804
42-329-34581	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36644
42-329-34582	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36644
42-329-34583	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36506
42-329-34584	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36506
42-329-34585	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36594
42-329-34586	DISCOVERY OPERATING, INC.	Oil	36655
42-329-34587	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36724
42-329-34588	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36543
42-329-34589	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36543
42-329-34590	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36594
42-329-34591	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36634
42-329-34592	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36449
42-329-34593	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36449
42-329-34594	DISCOVERY OPERATING, INC.	Oil	36872
42-329-34595	DISCOVERY OPERATING, INC.	Oil	36872
42-329-34596	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36644
42-329-34597	ENDEAVOR ENERGY RESOURCES L.P.
42-329-34598	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36506
42-329-34599
42-329-34600	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36644
42-329-34601	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36644
42-329-34602	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36583
42-329-34603	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36583
42-329-34604	XTO ENERGY INC.	Gas	191117
42-329-34605	ENDEAVOR ENERGY RESOURCES L.P.	Oil	52308
42-329-34606	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36644
42-329-34607	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36644
42-329-34608	PIONEER NATURAL RES. USA, INC.	Oil	21487
42-329-34609	PIONEER NATURAL RES. USA, INC.	Oil	21487
42-329-34610	PIONEER NATURAL RES. USA, INC.	Oil	36796
42-329-34611	ENDEAVOR ENERGY RESOURCES L.P.
42-329-34612	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37082
42-329-34613	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36654
42-329-34614	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36654
42-329-34615	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36654
42-329-34616
42-329-34617	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36654
42-329-34618	CMS OIL AND GAS COMPANY
42-329-34619	DISCOVERY OPERATING, INC.	Oil	36652
42-329-34620	OXY USA WTP LP	Gas	205970
42-329-34621	CHEVRON U. S. A. INC.	Oil	44361
42-329-34622	ENDEAVOR ENERGY RESOURCES L.P.	Gas	186909
42-329-34623	ENDEAVOR ENERGY RESOURCES L.P.	Oil	49460
42-329-34624	ENDEAVOR ENERGY RESOURCES L.P.	Oil	49460
42-329-34625	ENDEAVOR ENERGY RESOURCES L.P.	Oil	49460
42-329-34626
42-329-34627	ENDEAVOR ENERGY RESOURCES L.P.	Oil	49460
42-329-34628	ENDEAVOR ENERGY RESOURCES L.P.	Oil	49460
42-329-34629	ENVIRONMENTAL DISPOSAL SYSTEMS	Oil	38088
42-329-34630	XTO ENERGY INC.	Gas	191723
42-329-34631	XTO ENERGY INC.	Gas	191115
42-329-34632	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36757
42-329-34633	CHEVRON U. S. A. INC.	Oil	40422
42-329-34634	HENRY RESOURCES LLC	Oil	36830
42-329-34635	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36656
42-329-34636	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36449
42-329-34637	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36798
42-329-34638	OXY USA WTP LP	Gas	205977
42-329-34639	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36543
42-329-34640	OVINTIV USA INC.	Oil	36543
42-329-34641	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36506
42-329-34642	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36506
42-329-34643	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36506
42-329-34644	PIONEER NATURAL RES. USA, INC.	Oil	36981
42-329-34645	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36506
42-329-34646	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36506
42-329-34647	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36506
42-329-34648	CMS OIL AND GAS COMPANY
42-329-34649	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36423
42-329-34650	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36423
42-329-34651	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36423
42-329-34652	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36423
42-329-34653	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36784
42-329-34654	DIAMONDBACK E&P LLC	Oil	36752
42-329-34655	ALON USA, LP
42-329-34656	DIAMONDBACK E&P LLC	Oil	36752
42-329-34657	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36506
42-329-34658	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36506
42-329-34659	ENDEAVOR ENERGY RESOURCES L.P.	Oil	49320
42-329-34660	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36724
42-329-34661
42-329-34662
42-329-34663	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36611
42-329-34664	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36646
42-329-34665	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36611
42-329-34666
42-329-34667	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36784
42-329-34668	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36589
42-329-34669	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36873
42-329-34670	DISCOVERY OPERATING, INC.	Oil	36700
42-329-34671	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36506
42-329-34672	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36506
42-329-34673	PIONEER NATURAL RES. USA, INC.	Oil	36965
42-329-34674	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36506
42-329-34675	OXY USA WTP LP	Gas	206050
42-329-34676	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36858
42-329-34677	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37087
42-329-34678	ENDEAVOR ENERGY RESOURCES L.P.	Gas	188563
42-329-34679	WESTERN GAS RESOURCES-TEXAS,INC.
42-329-34680	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36888
42-329-34681	PERENCO LLC	Gas	190159
42-329-34682	DISCOVERY OPERATING, INC.	Oil	36700
42-329-34683	ENDEAVOR ENERGY RESOURCES L.P.	Gas	191596
42-329-34684	OXY USA WTP LP	Gas	206038
42-329-34685	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36802
42-329-34686	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36802
42-329-34687	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36387
42-329-34688	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36265
42-329-34689	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37066
42-329-34690	ENDEAVOR ENERGY RESOURCES L.P.	Oil	49320
42-329-34691	ENDEAVOR ENERGY RESOURCES L.P.
42-329-34692	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36677
42-329-34693	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36437
42-329-34694	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36798
42-329-34695	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36543
42-329-34696	TEXACO E & P INC.
42-329-34697	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36644
42-329-34698	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36644
42-329-34699	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36644
42-329-34700	CMS OIL AND GAS COMPANY
42-329-34701	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36858
42-329-34702	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36888
42-329-34703	DISCOVERY OPERATING, INC.	Oil	36874
42-329-34704	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36233
42-329-34705	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36784
42-329-34706	ENDEAVOR ENERGY RESOURCES L.P.
42-329-34707	DISCOVERY OPERATING, INC.	Oil	36655
42-329-34708	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36644
42-329-34709	PIONEER NATURAL RES. USA, INC.	Oil	36969
42-329-34710	PIONEER NATURAL RES. USA, INC.	Oil	36969
42-329-34711	ENDEAVOR ENERGY RESOURCES L.P.	Oil	49458
42-329-34712	ENDEAVOR ENERGY RESOURCES L.P.	Oil	49458
42-329-34713	XTO ENERGY INC.	Gas	191898
42-329-34714	ENDEAVOR ENERGY RESOURCES L.P.	Oil	43584
42-329-34715	PIONEER NATURAL RES. USA, INC.	Oil	37305
42-329-34716	PIONEER NATURAL RES. USA, INC.	Oil	36967
42-329-34717	PIONEER NATURAL RES. USA, INC.	Oil	36969
42-329-34718	PIONEER NATURAL RES. USA, INC.	Oil	36969
42-329-34719	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36543
42-329-34720	MOMENTUM OPERATING CO., INC.	Oil	25017
42-329-34721	MOMENTUM OPERATING CO., INC.	Oil	25017
42-329-34722	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36543
42-329-34723	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36543
42-329-34724	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36437
42-329-34725	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36677
42-329-34726	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36644
42-329-34727	XTO ENERGY INC.	Gas	195793
42-329-34728	DISCOVERY OPERATING, INC.	Oil	36561
42-329-34729	HAMMAN OIL & REFINING COMPANY	Oil	36934
42-329-34730	HAMMAN OIL & REFINING COMPANY	Oil	36934
42-329-34731	HAMMAN OIL & REFINING COMPANY	Oil	36934
42-329-34732	ENDEAVOR ENERGY RESOURCES L.P.
42-329-34733	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36802
42-329-34734	ENERGAS COMPANY
42-329-34735	ALON USA, LP
42-329-34736	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-34737	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-34738	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-34739	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-34740	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-34741	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-34742	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-34743	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-34744	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-34745	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-34746	PIONEER NATURAL RES. USA, INC.	Oil	36966
42-329-34747	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36994
42-329-34748	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36994
42-329-34749	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-34750	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36233
42-329-34751	DE3 OPERATING LLC	Oil	36955
42-329-34752	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36888
42-329-34753	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36888
42-329-34754	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36888
42-329-34755	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36888
42-329-34757	XTO ENERGY INC.	Gas	195393
42-329-34758	DISCOVERY OPERATING, INC.	Oil	36655
42-329-34759	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36677
42-329-34760	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36646
42-329-34761	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36646
42-329-34762	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37043
42-329-34765	Abraxas Petroleum Corporation	Oil	35802
42-329-34766	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37001
42-329-34767
42-329-34768	HENRY PETROLEUM LP	Oil	37021
42-329-34769	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37054
42-329-34770	PIONEER NATURAL RES. USA, INC.	Oil	21487
42-329-34771	HAMMAN OIL & REFINING COMPANY	Oil	36934
42-329-34772	HAMMAN OIL & REFINING COMPANY	Oil	36934
42-329-34773	HAMMAN OIL & REFINING COMPANY	Oil	36934
42-329-34774	HAMMAN OIL & REFINING COMPANY	Oil	36934
42-329-34775	HAMMAN OIL & REFINING COMPANY
42-329-34776	HAMMAN OIL & REFINING COMPANY
42-329-34777	HAMMAN OIL & REFINING COMPANY
42-329-34778	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37063
42-329-34779	DISCOVERY OPERATING, INC.	Oil	37005
42-329-34780	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37580
42-329-34781	BLUESTEM ENERGY HOLDINGS, LLC	Oil	21500
42-329-34782	XTO ENERGY INC.	Oil	37072
42-329-34783	PIONEER NATURAL RES. USA, INC.	Oil	36992
42-329-34784	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36602
42-329-34785	PIONEER NATURAL RES. USA, INC.	Oil	29651
42-329-34786	PIONEER NATURAL RES. USA, INC.	Oil	29651
42-329-34787	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37081
42-329-34788	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-34789	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-34790	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36602
42-329-34791	MID-STATES OPERATING COMPANY	Oil	37102
42-329-34792	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36543
42-329-34794	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36644
42-329-34795	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36644
42-329-34796	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36644
42-329-34797	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36644
42-329-34798	PIONEER NATURAL RES. USA, INC.	Oil	34738
42-329-34799	HENRY PETROLEUM LP	Oil	15387
42-329-34800	PIONEER NATURAL RES. USA, INC.	Oil	29652
42-329-34801	COG OPERATING LLC	Oil	37071
42-329-34802	PIONEER NATURAL RES. USA, INC.	Oil	37121
42-329-34803	EL PASO FIELD SERVICES, L.P.
42-329-34804	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-34805	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-34806	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-34807	PIONEER NATURAL RES. USA, INC.	Oil	37164
42-329-34808	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-34809	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-34810	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37055
42-329-34811	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-34812	DISCOVERY OPERATING, INC.	Oil	36561
42-329-34813	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36543
42-329-34814	PIONEER NATURAL RES. USA, INC.	Oil	21240
42-329-34815	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36701
42-329-34816	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37206
42-329-34817	PIONEER NATURAL RES. USA, INC.	Oil	06451
42-329-34818	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37043
42-329-34819	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37074
42-329-34820	PIONEER NATURAL RES. USA, INC.	Oil	06390
42-329-34821	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37136
42-329-34822	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36644
42-329-34823	DISCOVERY OPERATING, INC.	Oil	37005
42-329-34824	DISCOVERY OPERATING, INC.	Oil	37005
42-329-34825	DISCOVERY OPERATING, INC.	Oil	37005
42-329-34826	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36757
42-329-34827	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36644
42-329-34828	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37135
42-329-34829	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37195
42-329-34830	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-34831	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-34832	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-34833	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-34834	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37001
42-329-34835	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36677
42-329-34836	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36265
42-329-34837	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36611
42-329-34838	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37062
42-329-34839	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36611
42-329-34840	PIONEER NATURAL RES. USA, INC.	Oil	37119
42-329-34841	PIONEER NATURAL RES. USA, INC.	Oil	37119
42-329-34842	PIONEER NATURAL RES. USA, INC.	Oil	37119
42-329-34843	PIONEER NATURAL RES. USA, INC.	Oil	37119
42-329-34844	PIONEER NATURAL RES. USA, INC.	Oil	34210
42-329-34845	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36543
42-329-34846	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36644
42-329-34847	DISCOVERY OPERATING, INC.	Oil	36874
42-329-34848	PIONEER NATURAL RES. USA, INC.	Oil	37182
42-329-34849	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37063
42-329-34850	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37054
42-329-34851	CHEVRON U. S. A. INC.	Gas	210010
42-329-34852	PIONEER NATURAL RES. USA, INC.	Oil	06268
42-329-34853	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36994
42-329-34854	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37163
42-329-34855	DISCOVERY OPERATING, INC.	Oil	36655
42-329-34856	PIONEER NATURAL RES. USA, INC.	Oil	37119
42-329-34857	PIONEER NATURAL RES. USA, INC.	Oil	37119
42-329-34858	PIONEER NATURAL RES. USA, INC.	Oil	37119
42-329-34859	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-34860	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36644
42-329-34861	OVINTIV USA INC.	Oil	37143
42-329-34862	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36644
42-329-34863	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36644
42-329-34864	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-34865	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-34866	PIONEER NATURAL RES. USA, INC.	Oil	37119
42-329-34867	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37195
42-329-34868	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37138
42-329-34869	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37206
42-329-34870	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36644
42-329-34871	PIONEER NATURAL RES. USA, INC.
42-329-34872	PIONEER NATURAL RES. USA, INC.
42-329-34873	PIONEER NATURAL RES. USA, INC.
42-329-34874	PIONEER NATURAL RES. USA, INC.
42-329-34875	PIONEER NATURAL RES. USA, INC.
42-329-34876	PIONEER NATURAL RES. USA, INC.	Oil	21487
42-329-34877	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37110
42-329-34878	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36543
42-329-34879	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36644
42-329-34880	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36644
42-329-34881	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36543
42-329-34882	PIONEER NATURAL RES. USA, INC.	Oil	37121
42-329-34883	CHEVRON U. S. A. INC.	Gas	219100
42-329-34884	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37081
42-329-34885	PIONEER NATURAL RES. USA, INC.	Oil	21487
42-329-34886	PIONEER NATURAL RES. USA, INC.	Oil	21487
42-329-34887	PIONEER NATURAL RES. USA, INC.	Oil	06390
42-329-34888	PIONEER NATURAL RES. USA, INC.	Oil	21487
42-329-34889	PIONEER NATURAL RES. USA, INC.	Oil	06390
42-329-34890	PIONEER NATURAL RES. USA, INC.	Oil	34403
42-329-34891	PIONEER NATURAL RES. USA, INC.	Oil	33957
42-329-34892	PIONEER NATURAL RES. USA, INC.	Oil	34157
42-329-34893	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37236
42-329-34894	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37219
42-329-34895	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36423
42-329-34896	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36423
42-329-34897	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36503
42-329-34898	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36506
42-329-34899	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36644
42-329-34900	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36506
42-329-34901	ALON USA, LP
42-329-34902	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36506
42-329-34903	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36503
42-329-34904	OVINTIV USA INC.	Oil	37180
42-329-34905	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37138
42-329-34906	CHEVRON MIDCONTINENT, L.P.	Gas	216457
42-329-34907	PIONEER NATURAL RES. USA, INC.	Oil	21487
42-329-34908	PIONEER NATURAL RES. USA, INC.	Oil	21487
42-329-34909	PIONEER NATURAL RES. USA, INC.	Oil	21487
42-329-34910	PIONEER NATURAL RES. USA, INC.	Oil	21487
42-329-34911	PIONEER NATURAL RES. USA, INC.	Oil	21487
42-329-34912	PIONEER NATURAL RES. USA, INC.	Oil	21487
42-329-34913	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-34914	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-34915	PIONEER NATURAL RES. USA, INC.
42-329-34916	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-34917	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-34918	PIONEER NATURAL RES. USA, INC.	Oil	34142
42-329-34919	PIONEER NATURAL RES. USA, INC.	Oil	34142
42-329-34920	PIONEER NATURAL RES. USA, INC.	Oil	34142
42-329-34921	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37276
42-329-34922	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36644
42-329-34923	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37188
42-329-34924	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36644
42-329-34925	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36644
42-329-34926	ENDEAVOR ENERGY RESOURCES L.P.	Oil	49458
42-329-34927	PIONEER NATURAL RES. USA, INC.	Oil	34265
42-329-34928	PIONEER NATURAL RES. USA, INC.	Oil	34265
42-329-34929	DISCOVERY OPERATING, INC.	Oil	36561
42-329-34930	PIONEER NATURAL RES. USA, INC.	Oil	33439
42-329-34931	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36506
42-329-34932	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36506
42-329-34933	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-34934	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36644
42-329-34935	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36644
42-329-34936	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36423
42-329-34937	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36654
42-329-34938	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37055
42-329-34939	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37165
42-329-34940	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36506
42-329-34941	ENDEAVOR ENERGY RESOURCES L.P.	Oil	49458
42-329-34942	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37163
42-329-34943	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37196
42-329-34944	PERENCO LLC	Oil	36654
42-329-34945	FASKEN OIL AND RANCH, LTD.	Oil	27765
42-329-34946	PERENCO LLC	Oil	36423
42-329-34947	MOMENTUM OPERATING CO., INC.	Oil	25017
42-329-34948	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-34949	PECOS PRODUCTION COMPANY
42-329-34950	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-34951	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-34952	WESTERN GAS RESOURCES-TEXAS,INC.
42-329-34953	COG OPERATING LLC	Oil	37071
42-329-34954	OVINTIV USA INC.	Oil	37170
42-329-34955	OVINTIV USA INC.	Oil	37170
42-329-34956	OVINTIV USA INC.	Oil	37170
42-329-34957	OVINTIV USA INC.	Oil	37170
42-329-34958	COG OPERATING LLC	Oil	15408
42-329-34959	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36677
42-329-34960	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36506
42-329-34961	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37001
42-329-34962
42-329-34963	PIONEER NATURAL RES. USA, INC.	Oil	34457
42-329-34964	PIONEER NATURAL RES. USA, INC.	Oil	34853
42-329-34965	PIONEER NATURAL RES. USA, INC.	Oil	35411
42-329-34966	PIONEER NATURAL RES. USA, INC.	Oil	35411
42-329-34967	PIONEER NATURAL RES. USA, INC.	Oil	35411
42-329-34968	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37248
42-329-34969	CHEVRON U. S. A. INC.	Oil	25265
42-329-34970	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37215
42-329-34971	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36506
42-329-34972	PERENCO LLC	Oil	36506
42-329-34973	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36506
42-329-34974	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36506
42-329-34975	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36644
42-329-34976	MOMENTUM OPERATING CO., INC.	Oil	25017
42-329-34977	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36994
42-329-34978	ENDEAVOR ENERGY RESOURCES L.P.	Oil	49459
42-329-34979	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37188
42-329-34980	ENDEAVOR ENERGY RESOURCES L.P.	Oil	49459
42-329-34981	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36423
42-329-34982	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36423
42-329-34983	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36506
42-329-34984	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36543
42-329-34985	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36543
42-329-34986	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37335
42-329-34987	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37335
42-329-34988	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37224
42-329-34990	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37206
42-329-34991	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37136
42-329-34992	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37163
42-329-34993	Legacy Reserves Operating LP	Oil	36385
42-329-34994	DISCOVERY OPERATING, INC.	Oil	36457
42-329-34995	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37219
42-329-34996	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36589
42-329-34997	PHILLIPS PIPE LINE CO.
42-329-34998	ENDEAVOR ENERGY RESOURCES L.P.	Oil	06652
42-329-34999	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37155
42-329-35000	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37055
42-329-35001	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37055
42-329-35002	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37475
42-329-35003	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37054
42-329-35004	CROWNQUEST OPERATING, LLC	Oil	37278
42-329-35005	DISCOVERY OPERATING, INC.	Oil	37005
42-329-35006	DISCOVERY OPERATING, INC.	Oil	36561
42-329-35007	ALON USA, LP
42-329-35008	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37273
42-329-35009	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37248
42-329-35010	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36291
42-329-35011	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37065
42-329-35012	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37063
42-329-35013	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36503
42-329-35014	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36757
42-329-35015	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-35016	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-35017	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-35018	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-35019	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36646
42-329-35020	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36757
42-329-35021	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36611
42-329-35022	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36644
42-329-35023	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36644
42-329-35024	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37266
42-329-35025	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37289
42-329-35026	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37236
42-329-35027	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-35028	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36994
42-329-35029	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37054
42-329-35030	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37001
42-329-35031	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36644
42-329-35032	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36644
42-329-35033	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36677
42-329-35034	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37293
42-329-35035	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37815
42-329-35036	DISCOVERY OPERATING, INC.	Oil	37005
42-329-35037	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37215
42-329-35038	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37343
42-329-35039	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37062
42-329-35040	PIONEER NATURAL RES. USA, INC.	Oil	37359
42-329-35041	PIONEER NATURAL RES. USA, INC.	Oil	37339
42-329-35042	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37277
42-329-35043	ENDEAVOR ENERGY RESOURCES L.P.	Oil	38013
42-329-35044	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37165
42-329-35045	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37165
42-329-35046	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37319
42-329-35047	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37063
42-329-35048	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37195
42-329-35049	PIONEER NATURAL RES. USA, INC.	Oil	37364
42-329-35050	PIONEER NATURAL RES. USA, INC.	Oil	06451
42-329-35051	PIONEER NATURAL RES. USA, INC.	Oil	06451
42-329-35052	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37257
42-329-35053	PIONEER NATURAL RES. USA, INC.	Oil	06390
42-329-35054	PIONEER NATURAL RES. USA, INC.	Oil	06390
42-329-35055	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-35056	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-35057	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-35058	PIONEER NATURAL RES. USA, INC.	Oil	31018
42-329-35059	ENDEAVOR ENERGY RESOURCES L.P.	Oil	49458
42-329-35060	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37163
42-329-35061	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37224
42-329-35062	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-35063	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36644
42-329-35064	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-35065	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36503
42-329-35066	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36654
42-329-35067	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37293
42-329-35068	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37263
42-329-35069	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37081
42-329-35070	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37206
42-329-35071	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37135
42-329-35072	PERENCO LLC
42-329-35073	PERENCO LLC
42-329-35074	PERENCO LLC
42-329-35075	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36757
42-329-35076	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37289
42-329-35077	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36757
42-329-35078	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36757
42-329-35079	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37263
42-329-35080	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37289
42-329-35081	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37289
42-329-35082	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37289
42-329-35083	DE3 OPERATING LLC	Oil	22513
42-329-35084	PIONEER NATURAL RES. USA, INC.	Oil	28699
42-329-35085	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37370
42-329-35086	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36589
42-329-35087	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37248
42-329-35088	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37304
42-329-35089	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37357
42-329-35090	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37001
42-329-35091	PIONEER NATURAL RES. USA, INC.	Oil	22415
42-329-35092	PIONEER NATURAL RES. USA, INC.	Oil	22408
42-329-35093	WESTERN GAS RESOURCES-TEXAS,INC.
42-329-35094	WESTERN GAS RESOURCES-TEXAS,INC.
42-329-35095	WESTERN GAS RESOURCES-TEXAS,INC.
42-329-35097	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37215
42-329-35098	PIONEER NATURAL RES. USA, INC.	Oil	37377
42-329-35099	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37065
42-329-35100	PIONEER NATURAL RES. USA, INC.	Oil	34157
42-329-35101	DISCOVERY OPERATING, INC.	Oil	37005
42-329-35102	DE3 OPERATING LLC	Oil	37518
42-329-35103	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37110
42-329-35104	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37236
42-329-35105	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36701
42-329-35106	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37380
42-329-35107	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37368
42-329-35108	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37224
42-329-35109	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37248
42-329-35110	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37163
42-329-35111	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37136
42-329-35112	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37273
42-329-35113	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37195
42-329-35114	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37155
42-329-35115	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37276
42-329-35116	ENDEAVOR ENERGY RESOURCES L.P.	Oil	15497
42-329-35117	ENDEAVOR ENERGY RESOURCES L.P.	Oil	15497
42-329-35118	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37055
42-329-35119	DISCOVERY OPERATING, INC.	Oil	36457
42-329-35120	PIONEER NATURAL RES. USA, INC.	Oil	15400
42-329-35121	COG OPERATING LLC	Oil	05637
42-329-35122	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37379
42-329-35123	DE3 OPERATING LLC	Oil	37459
42-329-35124	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37289
42-329-35125	PIONEER NATURAL RES. USA, INC.	Oil	37339
42-329-35126	PIONEER NATURAL RES. USA, INC.	Oil	37455
42-329-35127	SUMMIT PETROLEUM LLC	Oil	37392
42-329-35128	SUMMIT PETROLEUM LLC	Oil	37392
42-329-35129	ENDEAVOR ENERGY RESOURCES L.P.	Oil	15497
42-329-35130	ENDEAVOR ENERGY RESOURCES L.P.	Oil	15497
42-329-35131	ENDEAVOR ENERGY RESOURCES L.P.	Oil	15497
42-329-35132	ENDEAVOR ENERGY RESOURCES L.P.	Oil	15497
42-329-35133	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37379
42-329-35134	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37206
42-329-35135	OVINTIV USA INC.	Oil	37451
42-329-35136	OVINTIV USA INC.	Oil	37451
42-329-35137	OVINTIV USA INC.	Oil	37451
42-329-35138	OVINTIV USA INC.	Oil	37451
42-329-35139
42-329-35140	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36994
42-329-35141	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37357
42-329-35142	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37236
42-329-35143	PIONEER NATURAL RES. USA, INC.	Oil	37359
42-329-35144	DISCOVERY OPERATING, INC.	Oil	37005
42-329-35145	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37110
42-329-35146	PIONEER NATURAL RES. USA, INC.	Oil	37460
42-329-35147	PIONEER NATURAL RES. USA, INC.	Oil	37464
42-329-35148	PIONEER NATURAL RES. USA, INC.	Oil	22421
42-329-35149	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37511
42-329-35150	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37511
42-329-35151	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37065
42-329-35152	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36644
42-329-35153	SEABOARD OPERATING CO.	Oil	34466
42-329-35154	OXY USA WTP LP	Gas	209086
42-329-35155	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36644
42-329-35156	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36644
42-329-35157	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36644
42-329-35158	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36644
42-329-35159	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36644
42-329-35160	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37001
42-329-35161	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37304
42-329-35162	PIONEER NATURAL RES. USA, INC.	Oil	22421
42-329-35163	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37138
42-329-35164	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37074
42-329-35165	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37074
42-329-35166	MOMENTUM ENERGY CORPORATION	Oil	37138
42-329-35167	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36644
42-329-35168	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36644
42-329-35169	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37411
42-329-35170	PIONEER NATURAL RES. USA, INC.	Oil	37473
42-329-35171	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37155
42-329-35172	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36644
42-329-35173	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37289
42-329-35174	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36644
42-329-35175	OVINTIV USA INC.	Oil	37143
42-329-35176	OVINTIV USA INC.	Oil	37180
42-329-35177	Xeric Oil & Gas Corporation
42-329-35178	DISCOVERY OPERATING, INC.	Oil	37618
42-329-35179	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36543
42-329-35180	PIONEER NATURAL RES. USA, INC.	Oil	37470
42-329-35181	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37480
42-329-35182	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37062
42-329-35183	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36589
42-329-35184	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36589
42-329-35185	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36646
42-329-35186	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37136
42-329-35187	MIDLAND ENERGY, INC.
42-329-35188	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36503
42-329-35189	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37163
42-329-35190	DE3 OPERATING LLC	Oil	37532
42-329-35191	DISCOVERY OPERATING, INC.	Oil	36457
42-329-35192	PIONEER NATURAL RES. USA, INC.	Oil	37468
42-329-35193	PIONEER NATURAL RES. USA, INC.	Oil	37698
42-329-35194	TXU GAS COMPANY
42-329-35195	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37206
42-329-35196	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37206
42-329-35197	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36646
42-329-35198	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37488
42-329-35199	PERENCO LLC
42-329-35200	PERENCO LLC
42-329-35201	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37368
42-329-35202
42-329-35203	PERENCO LLC
42-329-35204
42-329-35205	PETROPLEX ENERGY INC.	Oil	38822
42-329-35206	DISCOVERY OPERATING, INC.	Oil	37005
42-329-35207	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-35208	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37055
42-329-35209	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37110
42-329-35210	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-35211	PIONEER NATURAL RES. USA, INC.
42-329-35212	PIONEER NATURAL RES. USA, INC.
42-329-35213	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-35214	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37135
42-329-35215	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37135
42-329-35216	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36701
42-329-35217	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37065
42-329-35218	SUMMIT PETROLEUM LLC	Oil	37392
42-329-35219	PIONEER NATURAL RES. USA, INC.	Oil	22408
42-329-35220	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37081
42-329-35221	SUMMIT PETROLEUM LLC	Oil	37726
42-329-35222	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37750
42-329-35223	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37496
42-329-35224	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-35225	ENDEAVOR ENERGY RESOURCES L.P.	Oil	26157
42-329-35226	ENDEAVOR ENERGY RESOURCES L.P.	Oil	26157
42-329-35227	HENRY PETROLEUM LP
42-329-35228	SUMMIT PETROLEUM LLC	Oil	37726
42-329-35229	SUMMIT PETROLEUM LLC	Oil	37392
42-329-35230	SUMMIT PETROLEUM LLC	Oil	37392
42-329-35231	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37289
42-329-35232	PIONEER NATURAL RES. USA, INC.	Oil	37615
42-329-35233	PIONEER NATURAL RES. USA, INC.	Oil	37615
42-329-35234
42-329-35235	PIONEER NATURAL RES. USA, INC.	Oil	37615
42-329-35236	PIONEER NATURAL RES. USA, INC.	Oil	37615
42-329-35237	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37289
42-329-35238	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-35239	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-35240	PIONEER NATURAL RES. USA, INC.
42-329-35241	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-35242	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-35243	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37135
42-329-35244	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37135
42-329-35245	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37289
42-329-35246	CROWNQUEST OPERATING, LLC	Oil	37587
42-329-35247	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37304
42-329-35248	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37578
42-329-35249	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-35250	PLATFORM OPERATING, LLC	Gas	213207
42-329-35251	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-35252	SUMMIT PETROLEUM LLC	Oil	37392
42-329-35253	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37236
42-329-35254	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37522
42-329-35255	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37522
42-329-35256	DISCOVERY OPERATING, INC.	Oil	37623
42-329-35257	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-35258	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-35259	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-35260	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-35261	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37503
42-329-35262	PIONEER NATURAL RES. USA, INC.	Oil	37627
42-329-35263	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37614
42-329-35264	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37081
42-329-35265	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37897
42-329-35266	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36611
42-329-35267	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36291
42-329-35268	DISCOVERY OPERATING, INC.	Oil	36457
42-329-35269	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37488
42-329-35270	PIONEER NATURAL RES. USA, INC.	Oil	31412
42-329-35271	PIONEER NATURAL RES. USA, INC.	Oil	33304
42-329-35272	PIONEER NATURAL RES. USA, INC.	Oil	37455
42-329-35273	PIONEER NATURAL RES. USA, INC.	Oil	37738
42-329-35274	PIONEER NATURAL RES. USA, INC.	Oil	31439
42-329-35275	SUMMIT PETROLEUM LLC	Oil	37392
42-329-35276	PIONEER NATURAL RES. USA, INC.	Oil	37720
42-329-35277	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37706
42-329-35278	OXY USA WTP LP	Gas	230835
42-329-35279	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37945
42-329-35280	PIONEER NATURAL RES. USA, INC.	Oil	37615
42-329-35281	PERENCO LLC	Oil	49460
42-329-35282	PIONEER NATURAL RES. USA, INC.	Oil	37615
42-329-35283	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37136
42-329-35284	PIONEER NATURAL RES. USA, INC.	Oil	37690
42-329-35285	PIONEER NATURAL RES. USA, INC.	Oil	31954
42-329-35286	PIONEER NATURAL RES. USA, INC.	Oil	31954
42-329-35287	PIONEER NATURAL RES. USA, INC.	Oil	37691
42-329-35288	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37055
42-329-35289	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36423
42-329-35290	PIONEER NATURAL RES. USA, INC.	Oil	37691
42-329-35291	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37289
42-329-35292	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36423
42-329-35293	ENDEAVOR ENERGY RESOURCES L.P.	Oil	38593
42-329-35294	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37289
42-329-35295	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36506
42-329-35296	PIONEER NATURAL RES. USA, INC.	Oil	37615
42-329-35297	TEXAS CRUDE OPERATOR, INC.
42-329-35298	PIONEER NATURAL RES. USA, INC.	Oil	37757
42-329-35299	PIONEER NATURAL RES. USA, INC.	Oil	37615
42-329-35300	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36506
42-329-35301	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37236
42-329-35302	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37496
42-329-35303	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36689
42-329-35304	PIONEER NATURAL RES. USA, INC.	Oil	37615
42-329-35305	PIONEER NATURAL RES. USA, INC.	Oil	37615
42-329-35306	PIONEER NATURAL RES. USA, INC.	Oil	37711
42-329-35307	PIONEER NATURAL RES. USA, INC.	Oil	25554
42-329-35308	PIONEER NATURAL RES. USA, INC.	Oil	37764
42-329-35309	PIONEER NATURAL RES. USA, INC.	Oil	37609
42-329-35310	PIONEER NATURAL RES. USA, INC.	Oil	22415
42-329-35311	PIONEER NATURAL RES. USA, INC.	Oil	37615
42-329-35312	PIONEER NATURAL RES. USA, INC.	Oil	37615
42-329-35313	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37731
42-329-35314	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37503
42-329-35315	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37614
42-329-35316	PIONEER NATURAL RES. USA, INC.	Oil	37615
42-329-35317	PIONEER NATURAL RES. USA, INC.	Oil	37615
42-329-35318	PIONEER NATURAL RES. USA, INC.	Oil	37615
42-329-35319	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36506
42-329-35320	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36265
42-329-35321
42-329-35322	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37155
42-329-35323	CROWNQUEST OPERATING, LLC	Oil	37671
42-329-35324	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36506
42-329-35325	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36506
42-329-35326	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-35327	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-35328	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-35329	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-35330	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-35331	PIONEER NATURAL RES. USA, INC.	Oil	37641
42-329-35332	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37578
42-329-35333	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37475
42-329-35334	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37206
42-329-35335	PIONEER NATURAL RES. USA, INC.	Oil	37659
42-329-35336	PIONEER NATURAL RES. USA, INC.	Oil	37844
42-329-35337	DISCOVERY OPERATING, INC.	Oil	37639
42-329-35338	PIONEER NATURAL RES. USA, INC.	Oil	22737
42-329-35339	PIONEER NATURAL RES. USA, INC.	Oil	38143
42-329-35340	PIONEER NATURAL RES. USA, INC.	Oil	37708
42-329-35341	PIONEER NATURAL RES. USA, INC.	Oil	37679
42-329-35342	PIONEER NATURAL RES. USA, INC.	Oil	37759
42-329-35343	PIONEER NATURAL RES. USA, INC.	Oil	37700
42-329-35344	PIONEER NATURAL RES. USA, INC.	Oil	37667
42-329-35345	DISCOVERY OPERATING, INC.	Oil	37618
42-329-35346	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37055
42-329-35347
42-329-35348	PIONEER NATURAL RES. USA, INC.	Oil	37615
42-329-35349	PIONEER NATURAL RES. USA, INC.	Oil	37615
42-329-35350	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-35351	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-35352	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-35353	PIONEER NATURAL RES. USA, INC.
42-329-35354	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-35355	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-35356	CROWNQUEST OPERATING, LLC	Oil	37699
42-329-35357	DISCOVERY OPERATING, INC.	Oil	36457
42-329-35358	PIONEER NATURAL RES. USA, INC.
42-329-35359	PIONEER NATURAL RES. USA, INC.	Oil	22415
42-329-35360	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-35361	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-35362	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-35363	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-35364	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-35365	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-35366	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-35367	PIONEER NATURAL RES. USA, INC.	Oil	33134
42-329-35368	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-35369	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-35370	OXY USA WTP LP	Gas	226788
42-329-35371	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37248
42-329-35372	OVINTIV USA INC.	Oil	37792
42-329-35373	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-35374	OVINTIV USA INC.	Oil	37761
42-329-35375	OVINTIV USA INC.	Oil	37792
42-329-35376	PIONEER NATURAL RES. USA, INC.	Oil	33098
42-329-35377	PLAINS PIPELINE L.P.
42-329-35378	PLAINS PIPELINE L.P.
42-329-35379	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-35380	PIONEER NATURAL RES. USA, INC.
42-329-35381	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-35382	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-35383	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-35384	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-35385	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-35386	PIONEER NATURAL RES. USA, INC.	Oil	33708
42-329-35387	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37815
42-329-35388	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37797
42-329-35389	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37797
42-329-35390	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-35391	PIONEER NATURAL RES. USA, INC.
42-329-35392	PIONEER NATURAL RES. USA, INC.	Oil	37689
42-329-35393	PIONEER NATURAL RES. USA, INC.	Oil	37627
42-329-35394	PIONEER NATURAL RES. USA, INC.	Oil	37691
42-329-35395	Sm Energy Company	Oil	37818
42-329-35396	PIONEER NATURAL RES. USA, INC.	Oil	37692
42-329-35397	PIONEER NATURAL RES. USA, INC.	Oil	37763
42-329-35398	TEXAS CRUDE OPERATOR, INC.	Oil	37842
42-329-35399	DISCOVERY OPERATING, INC.	Oil	37623
42-329-35400	DISCOVERY OPERATING, INC.	Oil	37623
42-329-35401	PIONEER NATURAL RES. USA, INC.	Oil	29316
42-329-35402	PIONEER NATURAL RES. USA, INC.	Oil	37468
42-329-35403	PIONEER NATURAL RES. USA, INC.	Oil	37690
42-329-35404	PIONEER NATURAL RES. USA, INC.	Oil	37690
42-329-35405	PIONEER NATURAL RES. USA, INC.	Oil	37690
42-329-35406	PIONEER NATURAL RES. USA, INC.	Oil	37708
42-329-35407	PIONEER NATURAL RES. USA, INC.	Oil	37700
42-329-35408	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37749
42-329-35409	PIONEER NATURAL RES. USA, INC.	Oil	37679
42-329-35410	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37055
42-329-35411	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37503
42-329-35412	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37797
42-329-35413	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37797
42-329-35414	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-35415	PIONEER NATURAL RES. USA, INC.
42-329-35416	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-35417	PIONEER NATURAL RES. USA, INC.	Oil	37912
42-329-35418	PIONEER NATURAL RES. USA, INC.	Oil	37912
42-329-35419	PIONEER NATURAL RES. USA, INC.	Oil	37912
42-329-35420	DISCOVERY OPERATING, INC.	Oil	36585
42-329-35421	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37236
42-329-35422	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-35423	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36589
42-329-35424	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-35425	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-35426	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-35427	PIONEER NATURAL RES. USA, INC.	Oil	37759
42-329-35428	PIONEER NATURAL RES. USA, INC.	Oil	37759
42-329-35429	OVINTIV USA INC.	Oil	16110
42-329-35430	OVINTIV USA INC.	Oil	16110
42-329-35431	OVINTIV USA INC.	Oil	16110
42-329-35432	COG OPERATING LLC	Oil	37851
42-329-35433	COG OPERATING LLC	Oil	37851
42-329-35434	COG OPERATING LLC	Oil	37851
42-329-35435	COG OPERATING LLC	Oil	37851
42-329-35436	PIONEER NATURAL RES. USA, INC.	Oil	37609
42-329-35437	PIONEER NATURAL RES. USA, INC.	Oil	37609
42-329-35438	PIONEER NATURAL RES. USA, INC.	Oil	37609
42-329-35439	PIONEER NATURAL RES. USA, INC.	Oil	37667
42-329-35440	PIONEER NATURAL RES. USA, INC.	Oil	37679
42-329-35441	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36589
42-329-35442	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37136
42-329-35443	Legacy Reserves Operating LP	Oil	37868
42-329-35445	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37248
42-329-35446	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37135
42-329-35447	ENDEAVOR ENERGY RESOURCES L.P.	Oil	38007
42-329-35448	ENDEAVOR ENERGY RESOURCES L.P.	Oil	38007
42-329-35449
42-329-35450	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37135
42-329-35451	PIONEER NATURAL RES. USA, INC.	Oil	37641
42-329-35452	SUMMIT PETROLEUM LLC	Oil	37832
42-329-35454	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-35455	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37896
42-329-35456	ENDEAVOR ENERGY RESOURCES L.P.	Oil	40271
42-329-35457	PIONEER NATURAL RES. USA, INC.	Oil	37844
42-329-35458	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36291
42-329-35459	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36291
42-329-35460	Apache Corporation	Oil	06306
42-329-35461	Apache Corporation	Oil	06294
42-329-35462	PIONEER NATURAL RES. USA, INC.	Oil	37473
42-329-35463	Apache Corporation	Oil	06306
42-329-35464	Sm Energy Company	Oil	37853
42-329-35465
42-329-35466	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36233
42-329-35467	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37503
42-329-35468	ENDEAVOR ENERGY RESOURCES L.P.	Oil	38008
42-329-35469	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36233
42-329-35470	OXY USA WTP LP	Gas	255063
42-329-35471	PIONEER NATURAL RES. USA, INC.	Oil	37691
42-329-35472	Apache Corporation	Oil	06297
42-329-35473	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37578
42-329-35474	PIONEER NATURAL RES. USA, INC.	Oil	37708
42-329-35475	PIONEER NATURAL RES. USA, INC.	Oil	37708
42-329-35476	PIONEER NATURAL RES. USA, INC.	Oil	37700
42-329-35477	PIONEER NATURAL RES. USA, INC.	Oil	37700
42-329-35478	PIONEER NATURAL RES. USA, INC.	Oil	37667
42-329-35479	PIONEER NATURAL RES. USA, INC.	Oil	37759
42-329-35480	Apache Corporation	Oil	35773
42-329-35481	Apache Corporation	Oil	35773
42-329-35482	PIONEER NATURAL RES. USA, INC.	Oil	37700
42-329-35483	EOG Resources, Inc.
42-329-35484	Apache Corporation	Oil	34447
42-329-35485	Apache Corporation	Oil	34447
42-329-35486	Apache Corporation	Oil	34447
42-329-35487	Apache Corporation	Oil	06310
42-329-35488	Apache Corporation	Oil	06310
42-329-35489	PIONEER NATURAL RES. USA, INC.	Oil	37667
42-329-35490	ENDEAVOR ENERGY RESOURCES L.P.	Oil	38008
42-329-35491	PIONEER NATURAL RES. USA, INC.	Oil	31954
42-329-35492	PIONEER NATURAL RES. USA, INC.	Oil	31954
42-329-35493	PIONEER NATURAL RES. USA, INC.	Oil	31954
42-329-35494	Legacy Reserves Operating LP	Oil	37841
42-329-35495	Apache Corporation	Oil	06294
42-329-35496	PIONEER NATURAL RES. USA, INC.	Oil	37764
42-329-35497	DISCOVERY OPERATING, INC.	Oil	37855
42-329-35498	SUMMIT PETROLEUM LLC	Oil	37392
42-329-35499	Legacy Reserves Operating LP	Oil	37841
42-329-35500	DISCOVERY OPERATING, INC.	Oil	37618
42-329-35501	SUMMIT PETROLEUM LLC	Oil	37392
42-329-35502	PIONEER NATURAL RES. USA, INC.	Oil	37884
42-329-35503	PIONEER NATURAL RES. USA, INC.	Oil	37880
42-329-35504	Apache Corporation	Oil	29688
42-329-35505	PIONEER NATURAL RES. USA, INC.	Oil	37757
42-329-35506	PIONEER NATURAL RES. USA, INC.	Oil	37757
42-329-35507	PIONEER NATURAL RES. USA, INC.	Oil	22421
42-329-35508	PIONEER NATURAL RES. USA, INC.	Oil	22421
42-329-35509	SUMMIT PETROLEUM LLC	Oil	37392
42-329-35510	MOMENTUM OPERATING CO., INC.	Oil	25017
42-329-35511	FASKEN OIL AND RANCH, LTD.	Oil	27765
42-329-35512	MOMENTUM OPERATING CO., INC.	Oil	25017
42-329-35513	MOMENTUM OPERATING CO., INC.	Oil	25017
42-329-35514	FASKEN OIL AND RANCH, LTD.	Oil	27765
42-329-35515	SUMMIT PETROLEUM LLC	Oil	37392
42-329-35516	SUMMIT PETROLEUM LLC	Oil	37392
42-329-35517	SUMMIT PETROLEUM LLC	Oil	37833
42-329-35518	SUMMIT PETROLEUM LLC	Oil	37392
42-329-35519	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37304
42-329-35520	PIONEER NATURAL RES. USA, INC.
42-329-35521	XTO ENERGY INC.	Gas	229831
42-329-35522	ENDEAVOR ENERGY RESOURCES L.P.	Oil	38012
42-329-35523	ENDEAVOR ENERGY RESOURCES L.P.	Oil	38012
42-329-35524	CHEVRON U. S. A. INC.	Oil	36008
42-329-35525	CHEVRON U. S. A. INC.	Oil	36008
42-329-35526	CHEVRON U. S. A. INC.	Oil	36008
42-329-35527	CHEVRON U. S. A. INC.	Oil	36008
42-329-35528	CHEVRON U. S. A. INC.	Oil	36008
42-329-35529	CHEVRON U. S. A. INC.	Oil	36008
42-329-35530	XTO ENERGY INC.	Gas	250315
42-329-35531	PIONEER NATURAL RES. USA, INC.	Oil	22408
42-329-35532	DISCOVERY OPERATING, INC.	Oil	37639
42-329-35533	DISCOVERY OPERATING, INC.	Oil	37639
42-329-35534	PETROPLEX ENERGY INC.	Oil	39695
42-329-35535	PIONEER NATURAL RES. USA, INC.	Oil	37641
42-329-35536	PIONEER NATURAL RES. USA, INC.	Oil	37738
42-329-35537	PIONEER NATURAL RES. USA, INC.	Oil	37872
42-329-35538	PIONEER NATURAL RES. USA, INC.	Oil	37872
42-329-35539	DISCOVERY OPERATING, INC.	Oil	37623
42-329-35540	DIAMONDBACK E&P LLC	Oil	37911
42-329-35541	DIAMONDBACK E&P LLC	Oil	37911
42-329-35542	ENDEAVOR ENERGY RESOURCES L.P.	Oil	38389
42-329-35543	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37750
42-329-35544	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-35545	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-35546	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-35547	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-35548	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-35549	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-35550	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-35551	PIONEER NATURAL RES. USA, INC.	Oil	38018
42-329-35552	PIONEER NATURAL RES. USA, INC.	Oil	26805
42-329-35553	PIONEER NATURAL RES. USA, INC.	Oil	37689
42-329-35554	PIONEER NATURAL RES. USA, INC.	Oil	38059
42-329-35555	PIONEER NATURAL RES. USA, INC.	Oil	37883
42-329-35556	PIONEER NATURAL RES. USA, INC.	Oil	22421
42-329-35557	PIONEER NATURAL RES. USA, INC.	Oil	37609
42-329-35558	PIONEER NATURAL RES. USA, INC.	Oil	37609
42-329-35559	SE USA OPERATING, INC.	Oil	34267
42-329-35560	PIONEER NATURAL RES. USA, INC.	Oil	31586
42-329-35561	SUMMIT PETROLEUM LLC	Oil	37392
42-329-35562	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37897
42-329-35563	SUMMIT PETROLEUM LLC	Oil	37392
42-329-35564	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37055
42-329-35565	PIONEER NATURAL RES. USA, INC.	Oil	37119
42-329-35566	PIONEER NATURAL RES. USA, INC.	Oil	37119
42-329-35567	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37578
42-329-35568	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37578
42-329-35569	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37578
42-329-35570	WTG EXPLORATION	Oil	33772
42-329-35571	WTG EXPLORATION	Oil	35867
42-329-35572	WTG EXPLORATION	Oil	31273
42-329-35573	ENDEAVOR ENERGY RESOURCES L.P.	Oil	15626
42-329-35574	ENDEAVOR ENERGY RESOURCES L.P.	Oil	15626
42-329-35575	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37110
42-329-35576	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37110
42-329-35577	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37136
42-329-35578	ENDEAVOR ENERGY RESOURCES L.P.	Oil	38463
42-329-35579	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37136
42-329-35580	PIONEER NATURAL RES. USA, INC.	Oil	37616
42-329-35581	PIONEER NATURAL RES. USA, INC.	Oil	37616
42-329-35582	PIONEER NATURAL RES. USA, INC.	Oil	37912
42-329-35583	PIONEER NATURAL RES. USA, INC.	Oil	37912
42-329-35584	PIONEER NATURAL RES. USA, INC.	Oil	37912
42-329-35585	SUMMIT PETROLEUM LLC	Oil	37726
42-329-35586	PIONEER NATURAL RES. USA, INC.	Oil	38048
42-329-35587	PIONEER NATURAL RES. USA, INC.
42-329-35588	PIONEER NATURAL RES. USA, INC.
42-329-35589	DIAMONDBACK E&P LLC	Oil	38011
42-329-35590	PIONEER NATURAL RES. USA, INC.
42-329-35591	PIONEER NATURAL RES. USA, INC.
42-329-35592	PIONEER NATURAL RES. USA, INC.
42-329-35593	PIONEER NATURAL RES. USA, INC.	Oil	28564
42-329-35594	PIONEER NATURAL RES. USA, INC.	Oil	38051
42-329-35595	ATMOS PIPELINE - TEXAS
42-329-35596	PIONEER NATURAL RES. USA, INC.	Oil	22059
42-329-35597	XTO ENERGY INC.	Gas	246220
42-329-35598	ENDEAVOR ENERGY RESOURCES L.P.	Oil	38046
42-329-35599	ATMOS PIPELINE - TEXAS
42-329-35600	PIONEER NATURAL RES. USA, INC.	Oil	22421
42-329-35601	PIONEER NATURAL RES. USA, INC.	Oil	28564
42-329-35602	PIONEER NATURAL RES. USA, INC.	Oil	38406
42-329-35603	PIONEER NATURAL RES. USA, INC.	Oil	22276
42-329-35604	DE3 OPERATING LLC	Oil	21111
42-329-35605	MIDLAND ENERGY, INC.	Oil	39225
42-329-35606	Legacy Reserves Operating LP	Oil	38016
42-329-35607	Sm Energy Company	Oil	37818
42-329-35608	ST. MARY LAND & EXPLORATION CO.
42-329-35609	PARSLEY ENERGY OPERATIONS, LLC	Oil	39451
42-329-35610	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37503
42-329-35611	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37155
42-329-35612	PIONEER NATURAL RES. USA, INC.	Oil	37641
42-329-35613	PIONEER NATURAL RES. USA, INC.	Oil	38048
42-329-35614	PIONEER NATURAL RES. USA, INC.	Oil	38048
42-329-35615	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37055
42-329-35616	ENDEAVOR ENERGY RESOURCES L.P.	Oil	38012
42-329-35617	ENDEAVOR ENERGY RESOURCES L.P.	Oil	38012
42-329-35618	ENDEAVOR ENERGY RESOURCES L.P.	Oil	38012
42-329-35619	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37503
42-329-35620	PIONEER NATURAL RES. USA, INC.	Oil	38129
42-329-35621	PIONEER NATURAL RES. USA, INC.	Oil	22415
42-329-35622	PIONEER NATURAL RES. USA, INC.	Oil	06427
42-329-35623	PIONEER NATURAL RES. USA, INC.	Oil	06427
42-329-35624	PIONEER NATURAL RES. USA, INC.	Oil	37774
42-329-35625	PIONEER NATURAL RES. USA, INC.	Oil	37774
42-329-35626	EOG Resources, Inc.	Oil	38945
42-329-35627	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37055
42-329-35628	COG OPERATING LLC	Oil	38014
42-329-35629	Legacy Reserves Operating LP	Oil	38146
42-329-35630	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37055
42-329-35631	PIONEER NATURAL RES. USA, INC.	Oil	37711
42-329-35632	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37055
42-329-35633	PIONEER NATURAL RES. USA, INC.	Oil	37692
42-329-35634	COG OPERATING LLC	Oil	37851
42-329-35635	PIONEER NATURAL RES. USA, INC.	Oil	37689
42-329-35636	PIONEER NATURAL RES. USA, INC.	Oil	38059
42-329-35637	PIONEER NATURAL RES. USA, INC.	Oil	38406
42-329-35638	PIONEER NATURAL RES. USA, INC.	Oil	38406
42-329-35639	PIONEER NATURAL RES. USA, INC.	Oil	37689
42-329-35640	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37155
42-329-35641	ENDEAVOR ENERGY RESOURCES L.P.	Oil	38392
42-329-35642	MIDLAND ENERGY, INC.	Oil	38740
42-329-35643	PETROPLEX ENERGY INC.	Oil	39124
42-329-35644	Apache Corporation	Oil	25590
42-329-35645	Apache Corporation	Oil	25590
42-329-35646	PIONEER NATURAL RES. USA, INC.	Oil	37884
42-329-35647	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-35648	PIONEER NATURAL RES. USA, INC.	Oil	37884
42-329-35649	ENDEAVOR ENERGY RESOURCES L.P.	Oil	38407
42-329-35650	ENDEAVOR ENERGY RESOURCES L.P.	Oil	38407
42-329-35651	Apache Corporation	Oil	25871
42-329-35652	ENDEAVOR ENERGY RESOURCES L.P.	Oil	38404
42-329-35653	LOTHIAN OIL TEXAS I, INC.
42-329-35654	LOTHIAN OIL TEXAS I, INC.
42-329-35655	LOTHIAN OIL TEXAS I, INC.
42-329-35656	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-35657	Apache Corporation	Oil	28662
42-329-35658	PIONEER NATURAL RES. USA, INC.	Oil	38406
42-329-35659	PIONEER NATURAL RES. USA, INC.	Oil	38051
42-329-35660	ENDEAVOR ENERGY RESOURCES L.P.	Oil	38404
42-329-35661	ENDEAVOR ENERGY RESOURCES L.P.	Oil	38435
42-329-35662	ENDEAVOR ENERGY RESOURCES L.P.	Oil	38424
42-329-35663	ENDEAVOR ENERGY RESOURCES L.P.	Oil	38325
42-329-35664	OXY USA WTP LP	Oil	38332
42-329-35665	CALLON PETROLEUM OPERATING CO	Oil	38675
42-329-35666	PIONEER NATURAL RES. USA, INC.	Oil	38236
42-329-35667	PIONEER NATURAL RES. USA, INC.	Oil	38236
42-329-35668	PIONEER NATURAL RES. USA, INC.	Oil	38236
42-329-35669	PIONEER NATURAL RES. USA, INC.	Oil	38236
42-329-35670	PIONEER NATURAL RES. USA, INC.	Oil	38326
42-329-35671	OVINTIV USA INC.	Oil	38323
42-329-35672	PIONEER NATURAL RES. USA, INC.	Oil	38326
42-329-35673	PIONEER NATURAL RES. USA, INC.	Oil	38326
42-329-35674	DE3 OPERATING LLC	Oil	38329
42-329-35675	Apache Corporation	Oil	34421
42-329-35676	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36265
42-329-35677	Apache Corporation	Oil	34421
42-329-35678	Apache Corporation	Oil	34421
42-329-35679	PIONEER NATURAL RES. USA, INC.
42-329-35680	PIONEER NATURAL RES. USA, INC.
42-329-35681	Apache Corporation	Oil	34447
42-329-35682	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37496
42-329-35683	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36265
42-329-35684	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36265
42-329-35685	PIONEER NATURAL RES. USA, INC.	Oil	30384
42-329-35686	PIONEER NATURAL RES. USA, INC.
42-329-35687	Apache Corporation	Oil	06294
42-329-35688	Apache Corporation	Oil	06294
42-329-35689	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37054
42-329-35690	ENDEAVOR ENERGY RESOURCES L.P.	Oil	38342
42-329-35691	COG OPERATING LLC	Oil	37071
42-329-35692	SUMMIT PETROLEUM LLC	Oil	37726
42-329-35693	SUMMIT PETROLEUM LLC	Oil	37726
42-329-35694	PIONEER NATURAL RES. USA, INC.	Oil	23961
42-329-35695	ENDEAVOR ENERGY RESOURCES L.P.	Oil	38342
42-329-35696	DE3 OPERATING LLC	Oil	23851
42-329-35697	PIONEER NATURAL RES. USA, INC.	Oil	37884
42-329-35698	COG OPERATING LLC	Oil	15408
42-329-35699	OXY USA WTP LP	Oil	29620
42-329-35700	Apache Corporation	Oil	34421
42-329-35701
42-329-35702
42-329-35703	Sm Energy Company	Oil	37818
42-329-35704
42-329-35705	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37054
42-329-35706	ENDEAVOR ENERGY RESOURCES L.P.	Oil	38342
42-329-35707	ENDEAVOR ENERGY RESOURCES L.P.	Oil	38342
42-329-35708	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36802
42-329-35710	PIONEER NATURAL RES. USA, INC.	Oil	38494
42-329-35711	MIDLAND ENERGY, INC.	Oil	38893
42-329-35712	DISCOVERY OPERATING, INC.	Oil	37639
42-329-35713	DISCOVERY OPERATING, INC.	Oil	37855
42-329-35714	DISCOVERY OPERATING, INC.	Oil	37855
42-329-35715	PIONEER NATURAL RES. USA, INC.	Oil	38494
42-329-35716	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37481
42-329-35717	PIONEER NATURAL RES. USA, INC.	Oil	38494
42-329-35718	PIONEER NATURAL RES. USA, INC.	Oil	38505
42-329-35719	PIONEER NATURAL RES. USA, INC.	Oil	38505
42-329-35720	XTO ENERGY INC.	Gas	233090
42-329-35721	LCX ENERGY, LLC	Oil	15626
42-329-35722	Sm Energy Company	Oil	37818
42-329-35723	OXY USA WTP LP	Oil	38358
42-329-35724	Sm Energy Company	Oil	37818
42-329-35725	Sm Energy Company	Oil	37818
42-329-35726	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37065
42-329-35727	Apache Corporation	Oil	34447
42-329-35728	Apache Corporation	Oil	34447
42-329-35729	Apache Corporation	Oil	34447
42-329-35730	Apache Corporation	Oil	34447
42-329-35731	Apache Corporation	Oil	34421
42-329-35732	Apache Corporation	Oil	34447
42-329-35733	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36802
42-329-35734	PIONEER NATURAL RES. USA, INC.	Oil	38505
42-329-35735	PIONEER NATURAL RES. USA, INC.	Oil	38703
42-329-35736	Sm Energy Company	Oil	15489
42-329-35737	Apache Corporation	Oil	34447
42-329-35738	PIONEER NATURAL RES. USA, INC.	Oil	22408
42-329-35739	Apache Corporation	Oil	35660
42-329-35740	Apache Corporation	Oil	35510
42-329-35741	Apache Corporation	Oil	35773
42-329-35742	Apache Corporation	Oil	35773
42-329-35743	BREITBURN OPERATING L.P.	Gas	247644
42-329-35744	SUMMIT PETROLEUM LLC	Oil	37726
42-329-35745	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-35746	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-35747	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-35748	Apache Corporation	Oil	34447
42-329-35749	Apache Corporation	Oil	35365
42-329-35750	Apache Corporation	Oil	35516
42-329-35751	PIONEER NATURAL RES. USA, INC.	Oil	37844
42-329-35752	PIONEER NATURAL RES. USA, INC.	Oil	22408
42-329-35753	PIONEER NATURAL RES. USA, INC.	Oil	22408
42-329-35754	PIONEER NATURAL RES. USA, INC.	Oil	22408
42-329-35755	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-35756	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-35757	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-35758	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-35759	PIONEER NATURAL RES. USA, INC.
42-329-35760	PIONEER NATURAL RES. USA, INC.
42-329-35761	PIONEER NATURAL RES. USA, INC.
42-329-35762	PIONEER NATURAL RES. USA, INC.
42-329-35763	Sm Energy Company	Oil	37853
42-329-35764	Sm Energy Company	Oil	37853
42-329-35765	Sm Energy Company	Oil	37853
42-329-35766	Sm Energy Company	Oil	37853
42-329-35767	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37054
42-329-35768	PIONEER NATURAL RES. USA, INC.	Oil	38018
42-329-35769	PIONEER NATURAL RES. USA, INC.	Oil	38018
42-329-35770	SUMMIT PETROLEUM LLC	Oil	37726
42-329-35771	PIONEER NATURAL RES. USA, INC.	Oil	39392
42-329-35772	DEVON ENERGY PRODUCTION CO, L.P.	Oil	38461
42-329-35773	ENDEAVOR ENERGY RESOURCES L.P.	Oil	38669
42-329-35774	SUMMIT PETROLEUM LLC	Oil	37726
42-329-35775	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37411
42-329-35776	XTO ENERGY INC.	Gas	250933
42-329-35777	PIONEER NATURAL RES. USA, INC.	Oil	38554
42-329-35778	OXY USA WTP LP	Oil	41016
42-329-35779	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37496
42-329-35780	PIONEER NATURAL RES. USA, INC.	Oil	38764
42-329-35781	PIONEER NATURAL RES. USA, INC.	Oil	32413
42-329-35782	PIONEER NATURAL RES. USA, INC.	Oil	31953
42-329-35783	LCX ENERGY, LLC	Oil	37055
42-329-35784	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37054
42-329-35785	Encore Operating, L.P.
42-329-35786	PIONEER NATURAL RES. USA, INC.	Oil	24030
42-329-35787	SUMMIT PETROLEUM LLC	Oil	37726
42-329-35788	SUMMIT PETROLEUM LLC	Oil	37392
42-329-35789	PIONEER NATURAL RES. USA, INC.	Oil	32526
42-329-35790
42-329-35791	OXY USA WTP LP	Oil	41014
42-329-35792	Encore Operating, L.P.
42-329-35793	OXY USA WTP LP	Oil	34642
42-329-35794	OXY USA WTP LP	Oil	34635
42-329-35795	OXY USA WTP LP	Oil	34635
42-329-35796	DISCOVERY OPERATING, INC.	Oil	37855
42-329-35797	PIONEER NATURAL RES. USA, INC.	Oil	31075
42-329-35798	PIONEER NATURAL RES. USA, INC.	Oil	24852
42-329-35799	DISCOVERY OPERATING, INC.	Oil	37855
42-329-35800	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37063
42-329-35801	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37063
42-329-35802	ENDEAVOR ENERGY RESOURCES L.P.	Oil	39113
42-329-35803	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37055
42-329-35804	ENDEAVOR ENERGY RESOURCES L.P.	Oil	50445
42-329-35805	ENDEAVOR ENERGY RESOURCES L.P.	Oil	50445
42-329-35806	ENDEAVOR ENERGY RESOURCES L.P.	Oil	38787
42-329-35807	PIONEER NATURAL RES. USA, INC.	Oil	37692
42-329-35808	PIONEER NATURAL RES. USA, INC.	Oil	26381
42-329-35809	COG OPERATING LLC	Oil	38531
42-329-35810	Legacy Reserves Operating LP	Oil	38412
42-329-35811	Legacy Reserves Operating LP	Oil	38016
42-329-35812	DISCOVERY OPERATING, INC.	Oil	37855
42-329-35813	DISCOVERY OPERATING, INC.	Oil	37639
42-329-35814	DIAMONDBACK E&P LLC	Oil	36502
42-329-35815	Apache Corporation	Oil	25814
42-329-35816	Apache Corporation	Oil	28070
42-329-35817	PIONEER NATURAL RES. USA, INC.	Oil	39392
42-329-35818	DIAMONDBACK E&P LLC	Oil	16363
42-329-35819	DIAMONDBACK E&P LLC	Oil	16417
42-329-35820	DIAMONDBACK E&P LLC	Oil	38919
42-329-35821	PIONEER NATURAL RES. USA, INC.	Oil	39392
42-329-35822	DIAMONDBACK E&P LLC	Oil	16295
42-329-35823	PIONEER NATURAL RES. USA, INC.	Oil	38761
42-329-35824	COG OPERATING LLC	Oil	37071
42-329-35825	COG OPERATING LLC	Oil	17183
42-329-35826	PETROPLEX ENERGY INC.	Gas	270947
42-329-35827	OXY USA WTP LP	Oil	41016
42-329-35828	ENDEAVOR ENERGY RESOURCES L.P.	Oil	38759
42-329-35829	Sm Energy Company	Oil	37818
42-329-35830	PIONEER NATURAL RES. USA, INC.	Oil	37689
42-329-35831	ENDEAVOR ENERGY RESOURCES L.P.	Oil	38615
42-329-35832
42-329-35833	XTO ENERGY INC.	Gas	242954
42-329-35834	CALLON PETROLEUM OPERATING CO	Oil	43608
42-329-35835	CALLON PETROLEUM OPERATING CO	Oil	38814
42-329-35836	ENDEAVOR ENERGY RESOURCES L.P.	Oil	38463
42-329-35837	SUMMIT PETROLEUM LLC	Oil	37392
42-329-35838	CHEVRON U. S. A. INC.	Gas	249673
42-329-35839	BLUESTEM ENERGY HOLDINGS, LLC	Oil	21356
42-329-35840	BLUESTEM ENERGY HOLDINGS, LLC	Oil	21356
42-329-35841	BLUESTEM ENERGY HOLDINGS, LLC	Oil	21356
42-329-35842	PIONEER NATURAL RES. USA, INC.	Oil	38048
42-329-35843	ENDEAVOR ENERGY RESOURCES L.P.	Oil	38869
42-329-35844	Apache Corporation	Oil	35365
42-329-35845	Apache Corporation	Oil	35365
42-329-35846	HENRY RESOURCES LLC	Oil	38842
42-329-35847	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36798
42-329-35848	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36798
42-329-35849	COG OPERATING LLC	Oil	39581
42-329-35850	PIONEER NATURAL RES. USA, INC.	Oil	32413
42-329-35851	PIONEER NATURAL RES. USA, INC.	Oil	33322
42-329-35852	ATLAS PL MID-CONT. WESTTEX, LLC
42-329-35853	COG OPERATING LLC	Oil	27046
42-329-35854	Apache Corporation	Oil	06306
42-329-35855	BREITBURN OPERATING L.P.	Gas	242240
42-329-35856	Lario Oil & Gas Company	Oil	38916
42-329-35857	PIONEER NATURAL RES. USA, INC.
42-329-35858	PIONEER NATURAL RES. USA, INC.	Oil	38924
42-329-35859	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-35860	INDEPENDENCE RESOURCES MGMT, LLC	Oil	38763
42-329-35861	Apache Corporation	Oil	35856
42-329-35862	Apache Corporation	Oil	35856
42-329-35863	Apache Corporation	Oil	35831
42-329-35864	PIONEER NATURAL RES. USA, INC.	Oil	22168
42-329-35865	OXY USA WTP LP	Oil	41014
42-329-35866	ENDEAVOR ENERGY RESOURCES L.P.	Oil	28534
42-329-35867	Apache Corporation	Oil	35652
42-329-35868	Apache Corporation	Oil	35652
42-329-35869	Apache Corporation	Oil	35516
42-329-35870	Apache Corporation	Oil	35516
42-329-35871	Apache Corporation	Oil	35393
42-329-35872	Apache Corporation	Oil	35365
42-329-35873	Apache Corporation	Oil	35272
42-329-35874	Apache Corporation	Oil	35727
42-329-35875	Apache Corporation	Oil	35727
42-329-35876	OXY USA WTP LP	Oil	41016
42-329-35877	OXY USA WTP LP	Oil	34635
42-329-35878	OXY USA WTP LP	Oil	34635
42-329-35879	CALLON PETROLEUM OPERATING CO	Oil	38807
42-329-35880	CALLON PETROLEUM OPERATING CO	Oil	38816
42-329-35881	PIONEER NATURAL RES. USA, INC.	Gas	282635
42-329-35882	DE3 OPERATING LLC	Oil	33085
42-329-35883	PIONEER NATURAL RES. USA, INC.	Oil	22276
42-329-35884	COG OPERATING LLC	Oil	38844
42-329-35885	COG OPERATING LLC	Oil	38844
42-329-35886	OVINTIV USA INC.	Oil	35327
42-329-35887	Forest Oil Corporation
42-329-35888	ENDEAVOR ENERGY RESOURCES L.P.	Oil	35677
42-329-35889	ENDEAVOR ENERGY RESOURCES L.P.	Oil	35706
42-329-35890	OVINTIV USA INC.	Oil	35595
42-329-35891	Apache Corporation	Oil	35272
42-329-35892	Apache Corporation	Oil	35272
42-329-35893	Apache Corporation	Oil	35393
42-329-35894	Apache Corporation	Oil	35393
42-329-35895	ENDEAVOR ENERGY RESOURCES L.P.	Oil	38669
42-329-35896	ENDEAVOR ENERGY RESOURCES L.P.	Oil	38669
42-329-35897	Windsor Energy Group, L.L.C.
42-329-35898	Windsor Energy Group, L.L.C.
42-329-35899	Sm Energy Company	Oil	37853
42-329-35900	Sm Energy Company	Oil	15489
42-329-35901	Apache Corporation	Oil	35599
42-329-35902	Apache Corporation	Oil	35773
42-329-35903	Apache Corporation	Oil	35773
42-329-35904	Apache Corporation	Oil	36298
42-329-35905	Apache Corporation	Oil	36298
42-329-35906	Apache Corporation	Oil	35599
42-329-35907	Apache Corporation	Oil	35599
42-329-35908	CHEVRON U. S. A. INC.	Gas	256280
42-329-35909	TERRACE PETROLEUM CORPORATION
42-329-35910	COG OPERATING LLC	Oil	38531
42-329-35911	Apache Corporation	Oil	29688
42-329-35912	Apache Corporation	Oil	29688
42-329-35913	Apache Corporation	Oil	29688
42-329-35914	CHEVRON U. S. A. INC.	Gas	247063
42-329-35915	Apache Corporation	Oil	29688
42-329-35916	CHEVRON U. S. A. INC.
42-329-35917	CALLON PETROLEUM OPERATING CO	Oil	38962
42-329-35918	PIONEER NATURAL RES. USA, INC.	Oil	32181
42-329-35919	Apache Corporation	Oil	35660
42-329-35920	Apache Corporation	Oil	35660
42-329-35921	Apache Corporation	Oil	35510
42-329-35922	Apache Corporation	Oil	35510
42-329-35923	Apache Corporation	Oil	35510
42-329-35924	Apache Corporation	Oil	35510
42-329-35925	ENDEAVOR ENERGY RESOURCES L.P.	Oil	38869
42-329-35926	OVINTIV USA INC.	Oil	35573
42-329-35927	FASKEN OIL AND RANCH, LTD.	Oil	39071
42-329-35928	OXY USA WTP LP	Oil	41014
42-329-35929	OXY USA WTP LP	Oil	34635
42-329-35930	OXY USA WTP LP	Oil	34635
42-329-35931	OXY USA WTP LP	Oil	34642
42-329-35932	OXY USA WTP LP	Oil	34635
42-329-35933	FASKEN OIL AND RANCH, LTD.	Oil	38820
42-329-35934	CALLON PETROLEUM OPERATING CO	Oil	38905
42-329-35935	CALLON PETROLEUM OPERATING CO	Oil	38873
42-329-35936	SUMMIT PETROLEUM LLC	Oil	37726
42-329-35937	SUMMIT PETROLEUM LLC	Oil	37726
42-329-35938	SUMMIT PETROLEUM LLC	Oil	37726
42-329-35939	CALLON PETROLEUM OPERATING CO	Oil	39110
42-329-35940	SUMMIT PETROLEUM LLC	Oil	37832
42-329-35942	XTO ENERGY INC.	Oil	39041
42-329-35943	RSP PERMIAN, LLC	Oil	39168
42-329-35944	COG OPERATING LLC	Oil	38531
42-329-35945	CALLON PETROLEUM OPERATING CO	Oil	38899
42-329-35946	XTO ENERGY INC.	Oil	39127
42-329-35947	XTO ENERGY INC.	Oil	39040
42-329-35948	Encore Operating, L.P.
42-329-35949	OVINTIV USA INC.	Oil	35037
42-329-35950	Forest Oil Corporation
42-329-35951	OVINTIV USA INC.	Oil	35037
42-329-35952	MIDLAND ENERGY, INC.	Oil	40013
42-329-35953	MIDLAND ENERGY, INC.
42-329-35954	MIDLAND ENERGY, INC.	Oil	40013
42-329-35955	MIDLAND ENERGY, INC.
42-329-35956	MID-STATES OPERATING COMPANY	Oil	39220
42-329-35957	SUMMIT PETROLEUM LLC
42-329-35958	SUMMIT PETROLEUM LLC	Oil	37392
42-329-35959	ENDEAVOR ENERGY RESOURCES L.P.	Oil	39142
42-329-35960	OVINTIV USA INC.	Oil	35664
42-329-35961	Sm Energy Company	Oil	37853
42-329-35962	Sm Energy Company	Oil	37853
42-329-35963	CALLON PETROLEUM OPERATING CO	Oil	38873
42-329-35964	CALLON PETROLEUM OPERATING CO	Oil	38675
42-329-35965	HENRY RESOURCES LLC	Oil	39227
42-329-35966	OVINTIV USA INC.	Oil	35251
42-329-35967	PIONEER NATURAL RES. USA, INC.	Oil	38978
42-329-35968	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-35969	XTO ENERGY INC.	Gas	248748
42-329-35970	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-35971	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-35972	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37063
42-329-35973	DIAMONDBACK E&P LLC	Oil	39560
42-329-35974	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37063
42-329-35975	PIONEER NATURAL RES. USA, INC.	Oil	38326
42-329-35976	MID-STATES OPERATING COMPANY
42-329-35977	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37063
42-329-35978
42-329-35979	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-35980	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-35981	CALLON PETROLEUM OPERATING CO	Oil	39110
42-329-35982	CALLON PETROLEUM OPERATING CO	Oil	39110
42-329-35983	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-35984	EXL PETROLEUM, LP
42-329-35985	ENDEAVOR ENERGY RESOURCES L.P.
42-329-35986	ENDEAVOR ENERGY RESOURCES L.P.	Oil	16097
42-329-35987	ENDEAVOR ENERGY RESOURCES L.P.	Oil	16097
42-329-35988	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-35989	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-35990	PIONEER NATURAL RES. USA, INC.
42-329-35991	CALLON PETROLEUM OPERATING CO	Oil	38807
42-329-35992	DISCOVERY OPERATING, INC.	Oil	37639
42-329-35993	CALLON PETROLEUM OPERATING CO	Oil	38816
42-329-35994	CALLON PETROLEUM OPERATING CO	Oil	38905
42-329-35995	Windsor Energy Group, L.L.C.
42-329-35996	DIAMONDBACK E&P LLC	Oil	39560
42-329-35997	DE3 OPERATING LLC	Oil	21883
42-329-35998	DE3 OPERATING LLC	Oil	21883
42-329-35999
42-329-36000	Windsor Energy Group, L.L.C.
42-329-36001	DIAMONDBACK E&P LLC	Oil	39560
42-329-36002	DIAMONDBACK E&P LLC	Oil	39560
42-329-36003	Windsor Energy Group, L.L.C.
42-329-36004	Windsor Energy Group, L.L.C.
42-329-36005	DIAMONDBACK E&P LLC	Oil	39560
42-329-36006	DIAMONDBACK E&P LLC	Oil	39560
42-329-36007	DIAMONDBACK E&P LLC	Oil	39560
42-329-36008	Windsor Energy Group, L.L.C.
42-329-36009	PIONEER NATURAL RES. USA, INC.	Oil	39037
42-329-36010	PIONEER NATURAL RES. USA, INC.	Oil	24030
42-329-36011	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-36012	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-36013	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-36014	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-36015	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-36016	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-36017	PIONEER NATURAL RES. USA, INC.
42-329-36018	PIONEER NATURAL RES. USA, INC.	Oil	22276
42-329-36019	DISCOVERY OPERATING, INC.	Oil	36408
42-329-36020	DISCOVERY OPERATING, INC.	Oil	36408
42-329-36021	CALLON PETROLEUM OPERATING CO	Oil	39402
42-329-36022	DIAMONDBACK E&P LLC	Oil	16295
42-329-36023	DIAMONDBACK E&P LLC	Oil	16295
42-329-36024	DIAMONDBACK E&P LLC	Oil	16295
42-329-36025	PIONEER NATURAL RES. USA, INC.
42-329-36026	OXY USA WTP LP	Oil	41016
42-329-36027	OXY USA WTP LP	Oil	41014
42-329-36028	OXY USA WTP LP	Oil	41014
42-329-36029	OXY USA WTP LP	Oil	41016
42-329-36030	DIAMONDBACK E&P LLC	Oil	16363
42-329-36031	DIAMONDBACK E&P LLC	Oil	16363
42-329-36032	DIAMONDBACK E&P LLC	Oil	16486
42-329-36033	DIAMONDBACK E&P LLC	Oil	16486
42-329-36034	FASKEN OIL AND RANCH, LTD.	Oil	39599
42-329-36035	DIAMONDBACK E&P LLC	Oil	39478
42-329-36036	DIAMONDBACK E&P LLC	Oil	40653
42-329-36037
42-329-36038
42-329-36039	DIAMONDBACK E&P LLC	Oil	21223
42-329-36040	Windsor Energy Group, L.L.C.
42-329-36041	DIAMONDBACK E&P LLC	Oil	40653
42-329-36042	Windsor Energy Group, L.L.C.
42-329-36043
42-329-36044	Windsor Energy Group, L.L.C.
42-329-36045	Windsor Energy Group, L.L.C.
42-329-36046	Windsor Energy Group, L.L.C.
42-329-36047	OXY USA WTP LP	Oil	41016
42-329-36048	OXY USA WTP LP	Oil	41016
42-329-36049	OXY USA WTP LP	Oil	41014
42-329-36050	OXY USA WTP LP	Oil	41014
42-329-36051	OXY USA WTP LP
42-329-36052	OXY USA WTP LP	Oil	34642
42-329-36053	CALLON PETROLEUM OPERATING CO	Oil	38675
42-329-36054	CALLON PETROLEUM OPERATING CO	Oil	38807
42-329-36055	CALLON PETROLEUM OPERATING CO	Oil	38816
42-329-36056	CALLON PETROLEUM OPERATING CO	Oil	38905
42-329-36057	CALLON PETROLEUM OPERATING CO	Oil	38873
42-329-36058	CALLON PETROLEUM OPERATING CO	Oil	38816
42-329-36059	OXY USA WTP LP	Oil	34635
42-329-36060	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36908
42-329-36061
42-329-36062	INDEPENDENCE RESOURCES MGMT, LLC	Oil	40265
42-329-36063	CALLON PETROLEUM OPERATING CO	Oil	38899
42-329-36064	ENDEAVOR ENERGY RESOURCES L.P.	Oil	39532
42-329-36065	ENDEAVOR ENERGY RESOURCES L.P.	Oil	39401
42-329-36066	CHEVRON U. S. A. INC.	Gas	251857
42-329-36067	Windsor Energy Group, L.L.C.
42-329-36068
42-329-36069	Windsor Energy Group, L.L.C.
42-329-36070	Windsor Energy Group, L.L.C.
42-329-36071	DIAMONDBACK E&P LLC	Oil	39560
42-329-36072	Windsor Energy Group, L.L.C.
42-329-36073	Windsor Energy Group, L.L.C.
42-329-36074	Windsor Energy Group, L.L.C.
42-329-36075	Windsor Energy Group, L.L.C.
42-329-36076	Windsor Energy Group, L.L.C.
42-329-36077	Windsor Energy Group, L.L.C.
42-329-36078	OVINTIV USA INC.	Oil	35644
42-329-36079	OVINTIV USA INC.	Oil	35743
42-329-36080	OVINTIV USA INC.	Oil	35270
42-329-36081	OVINTIV USA INC.	Oil	39889
42-329-36082	OVINTIV USA INC.	Oil	39923
42-329-36083	COG OPERATING LLC	Oil	38829
42-329-36084	COG OPERATING LLC	Oil	38844
42-329-36085	COG OPERATING LLC	Oil	38844
42-329-36086	XTO ENERGY INC.	Oil	39144
42-329-36087	XTO ENERGY INC.	Oil	39041
42-329-36088	XTO ENERGY INC.	Oil	39040
42-329-36089	DISCOVERY OPERATING, INC.	Oil	37618
42-329-36090	DISCOVERY OPERATING, INC.	Oil	36561
42-329-36091	XOG OPERATING LLC
42-329-36092	THOMPSON, J. CLEO	Oil	39791
42-329-36093	PIONEER NATURAL RES. USA, INC.
42-329-36094
42-329-36095	PIONEER NATURAL RES. USA, INC.	Oil	39458
42-329-36096
42-329-36098	FASKEN OIL AND RANCH, LTD.	Oil	39071
42-329-36099	FASKEN OIL AND RANCH, LTD.	Oil	39071
42-329-36100	FASKEN OIL AND RANCH, LTD.	Oil	39071
42-329-36101	HENRY RESOURCES LLC
42-329-36102	COG OPERATING LLC	Oil	37851
42-329-36103	COG OPERATING LLC	Oil	37851
42-329-36104	COG OPERATING LLC	Oil	37851
42-329-36105	PIONEER NATURAL RES. USA, INC.
42-329-36106	PIONEER NATURAL RES. USA, INC.
42-329-36107	DIAMONDBACK E&P LLC	Oil	39560
42-329-36108	DIAMONDBACK E&P LLC	Oil	39560
42-329-36109	DIAMONDBACK E&P LLC	Oil	39560
42-329-36110	Windsor Energy Group, L.L.C.
42-329-36111	SUMMIT PETROLEUM LLC	Oil	37726
42-329-36112	FASKEN OIL AND RANCH, LTD.	Oil	39071
42-329-36113	PIONEER NATURAL RES. USA, INC.
42-329-36114	Windsor Energy Group, L.L.C.
42-329-36115
42-329-36116	Windsor Energy Group, L.L.C.
42-329-36117	Windsor Energy Group, L.L.C.
42-329-36118	ENDEAVOR ENERGY RESOURCES L.P.	Oil	48374
42-329-36119	COG OPERATING LLC	Oil	38844
42-329-36120	COG OPERATING LLC	Oil	38844
42-329-36121	PIONEER NATURAL RES. USA, INC.
42-329-36122	COG OPERATING LLC	Oil	38844
42-329-36123	PIONEER NATURAL RES. USA, INC.
42-329-36124	PIONEER NATURAL RES. USA, INC.
42-329-36125	PIONEER NATURAL RES. USA, INC.
42-329-36126	PIONEER NATURAL RES. USA, INC.
42-329-36127	PIONEER NATURAL RES. USA, INC.
42-329-36128	PIONEER NATURAL RES. USA, INC.
42-329-36129	PIONEER NATURAL RES. USA, INC.
42-329-36130	PIONEER NATURAL RES. USA, INC.
42-329-36131	PIONEER NATURAL RES. USA, INC.
42-329-36132	PIONEER NATURAL RES. USA, INC.
42-329-36133	PIONEER NATURAL RES. USA, INC.
42-329-36134	FASKEN OIL AND RANCH, LTD.	Oil	39071
42-329-36135	FASKEN OIL AND RANCH, LTD.	Oil	39071
42-329-36136	FASKEN OIL AND RANCH, LTD.	Oil	39071
42-329-36137	HENRY RESOURCES LLC
42-329-36138	FASKEN OIL AND RANCH, LTD.	Oil	39071
42-329-36139	FASKEN OIL AND RANCH, LTD.	Oil	39071
42-329-36140	HENRY RESOURCES LLC
42-329-36141	FASKEN OIL AND RANCH, LTD.	Oil	39071
42-329-36142	HENRY RESOURCES LLC
42-329-36143	HENRY RESOURCES LLC
42-329-36144	PIONEER NATURAL RES. USA, INC.
42-329-36145	PIONEER NATURAL RES. USA, INC.
42-329-36146	CALLON PETROLEUM OPERATING CO	Oil	38807
42-329-36147	XTO ENERGY INC.	Oil	39040
42-329-36148	XTO ENERGY INC.	Oil	39040
42-329-36149	PIONEER NATURAL RES. USA, INC.
42-329-36150	PIONEER NATURAL RES. USA, INC.
42-329-36151	PIONEER NATURAL RES. USA, INC.
42-329-36152	PIONEER NATURAL RES. USA, INC.
42-329-36153	PIONEER NATURAL RES. USA, INC.
42-329-36154	PIONEER NATURAL RES. USA, INC.
42-329-36155	PIONEER NATURAL RES. USA, INC.
42-329-36156	CALLON PETROLEUM OPERATING CO
42-329-36157	XTO ENERGY INC.	Oil	39041
42-329-36158	XTO ENERGY INC.	Oil	39040
42-329-36159	XTO ENERGY INC.	Oil	39040
42-329-36160	XTO ENERGY INC.	Oil	39040
42-329-36161	3-M ENERGY CORPORATION
42-329-36162	PARSLEY ENERGY OPERATIONS, LLC	Oil	40216
42-329-36163	ENDEAVOR ENERGY RESOURCES L.P.	Oil	40264
42-329-36164	OXY USA WTP LP	Oil	34635
42-329-36165	OXY USA WTP LP	Oil	34635
42-329-36166	OXY USA WTP LP	Oil	34646
42-329-36167	OXY USA WTP LP	Oil	34642
42-329-36168
42-329-36169
42-329-36170	OXY USA WTP LP	Oil	34635
42-329-36171	ENDEAVOR ENERGY RESOURCES L.P.	Oil	39198
42-329-36172	ENDEAVOR ENERGY RESOURCES L.P.	Oil	39885
42-329-36173	Hunt Oil Company	Oil	20269
42-329-36174	XTO ENERGY INC.	Oil	39040
42-329-36175	DIAMONDBACK E&P LLC	Oil	30418
42-329-36176	ENDEAVOR ENERGY RESOURCES L.P.	Oil	39500
42-329-36177	INDEPENDENCE RESOURCES MGMT, LLC	Oil	38763
42-329-36178	XTO ENERGY INC.	Gas	251087
42-329-36179	DIAMONDBACK E&P LLC	Oil	30393
42-329-36180	FASKEN OIL AND RANCH, LTD.	Oil	39610
42-329-36181	FASKEN OIL AND RANCH, LTD.	Oil	39610
42-329-36182	OXY USA WTP LP	Oil	34646
42-329-36183	OXY USA WTP LP	Oil	34635
42-329-36184	OXY USA WTP LP	Oil	34635
42-329-36185	OXY USA WTP LP	Oil	34635
42-329-36186	OXY USA WTP LP	Oil	34635
42-329-36187	XTO ENERGY INC.	Oil	39040
42-329-36188	XTO ENERGY INC.	Oil	39040
42-329-36189	PIONEER NATURAL RES. USA, INC.
42-329-36190	ENDEAVOR ENERGY RESOURCES L.P.	Oil	48374
42-329-36191	OXY USA WTP LP	Oil	34646
42-329-36192	OXY USA WTP LP	Oil	34646
42-329-36193	OXY USA WTP LP	Oil	34635
42-329-36194	OXY USA WTP LP	Oil	34635
42-329-36195	FASKEN OIL AND RANCH, LTD.	Oil	39610
42-329-36196	FASKEN OIL AND RANCH, LTD.	Oil	39610
42-329-36197	XTO ENERGY INC.	Oil	39040
42-329-36198	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37481
42-329-36200	COG OPERATING LLC
42-329-36201	COG OPERATING LLC	Oil	39583
42-329-36202	PIONEER NATURAL RES. USA, INC.
42-329-36203	PIONEER NATURAL RES. USA, INC.
42-329-36204	XTO ENERGY INC.	Oil	39040
42-329-36205	CROWNQUEST OPERATING, LLC	Oil	40091
42-329-36206	XTO ENERGY INC.	Oil	39040
42-329-36207	OXY USA WTP LP	Oil	34646
42-329-36208	SUMMIT PETROLEUM LLC	Oil	37392
42-329-36209	OXY USA WTP LP	Oil	34635
42-329-36210	SUMMIT PETROLEUM LLC	Oil	37392
42-329-36211	OXY USA WTP LP	Oil	34635
42-329-36212	ENDEAVOR ENERGY RESOURCES L.P.	Oil	38869
42-329-36213	OXY USA WTP LP	Oil	34635
42-329-36214	OXY USA WTP LP	Oil	34635
42-329-36215	OXY USA WTP LP	Oil	34635
42-329-36216	OXY USA WTP LP	Oil	34635
42-329-36217	OXY USA WTP LP	Oil	34635
42-329-36218	OXY USA WTP LP	Oil	34646
42-329-36219	OXY USA WTP LP	Oil	34646
42-329-36220	SUMMIT PETROLEUM LLC	Oil	37832
42-329-36221	ENDEAVOR ENERGY RESOURCES L.P.	Oil	38869
42-329-36222	FASKEN OIL AND RANCH, LTD.	Oil	38820
42-329-36223	FASKEN OIL AND RANCH, LTD.	Oil	38820
42-329-36224	FASKEN OIL AND RANCH, LTD.	Oil	38820
42-329-36225	FASKEN OIL AND RANCH, LTD.	Oil	38820
42-329-36226	FASKEN OIL AND RANCH, LTD.	Oil	38820
42-329-36227	FASKEN OIL AND RANCH, LTD.	Oil	38820
42-329-36228	FASKEN OIL AND RANCH, LTD.
42-329-36229	TRILOGY OPERATING, INC.	Oil	39749
42-329-36230	HENRY RESOURCES LLC
42-329-36231	SUMMIT PETROLEUM LLC	Oil	37392
42-329-36232	XTO ENERGY INC.	Oil	39040
42-329-36233	FASKEN OIL AND RANCH, LTD.	Oil	38820
42-329-36234	OXY USA WTP LP	Oil	34635
42-329-36235	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37055
42-329-36236	HENRY RESOURCES LLC
42-329-36237	FASKEN OIL AND RANCH, LTD.	Oil	38820
42-329-36238	FASKEN OIL AND RANCH, LTD.	Oil	38820
42-329-36239	ENDEAVOR ENERGY RESOURCES L.P.	Oil	39142
42-329-36240	FASKEN OIL AND RANCH, LTD.	Oil	38820
42-329-36241	FASKEN OIL AND RANCH, LTD.	Oil	38820
42-329-36242	FASKEN OIL AND RANCH, LTD.	Oil	38820
42-329-36243	FASKEN OIL AND RANCH, LTD.	Oil	38820
42-329-36244	XTO ENERGY INC.	Oil	39754
42-329-36245	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37065
42-329-36246	XTO ENERGY INC.	Oil	39040
42-329-36247	XTO ENERGY INC.	Oil	39040
42-329-36248	XTO ENERGY INC.	Oil	39040
42-329-36249	XTO ENERGY INC.	Oil	39040
42-329-36250	XTO ENERGY INC.	Oil	39040
42-329-36251	XTO ENERGY INC.	Oil	39040
42-329-36252	XTO ENERGY INC.	Oil	39040
42-329-36253	XTO ENERGY INC.	Oil	39040
42-329-36254	XTO ENERGY INC.	Oil	39040
42-329-36255	XTO ENERGY INC.	Oil	39040
42-329-36256	XTO ENERGY INC.	Oil	39040
42-329-36257	XTO ENERGY INC.	Oil	39040
42-329-36258	XTO ENERGY INC.	Oil	39040
42-329-36259	XTO ENERGY INC.	Oil	39040
42-329-36260	XTO ENERGY INC.	Oil	39040
42-329-36261	OXY USA WTP LP	Oil	34635
42-329-36262	OXY USA WTP LP	Oil	34635
42-329-36263	OXY USA WTP LP	Oil	34635
42-329-36264	OXY USA WTP LP	Oil	34635
42-329-36265	OXY USA WTP LP	Oil	34635
42-329-36266	OXY USA WTP LP	Oil	34646
42-329-36267	OXY USA WTP LP	Oil	34635
42-329-36268	FASKEN OIL AND RANCH, LTD.	Oil	39610
42-329-36269	FASKEN OIL AND RANCH, LTD.	Oil	39610
42-329-36270	FASKEN OIL AND RANCH, LTD.	Oil	39610
42-329-36271	FASKEN OIL AND RANCH, LTD.	Oil	39610
42-329-36272	XTO ENERGY INC.	Oil	39040
42-329-36273	XTO ENERGY INC.	Oil	39040
42-329-36274	XTO ENERGY INC.	Oil	39040
42-329-36275	XTO ENERGY INC.	Oil	39040
42-329-36276	XTO ENERGY INC.	Oil	39040
42-329-36277	XTO ENERGY INC.	Oil	39040
42-329-36278	XTO ENERGY INC.	Oil	39040
42-329-36279	XTO ENERGY INC.	Oil	39040
42-329-36280	XTO ENERGY INC.	Oil	39040
42-329-36281	XTO ENERGY INC.	Oil	39040
42-329-36282	XTO ENERGY INC.	Oil	39040
42-329-36283	XTO ENERGY INC.	Oil	39040
42-329-36284	XTO ENERGY INC.	Oil	39040
42-329-36285	HENRY RESOURCES LLC
42-329-36286	Linn Operating, Inc.
42-329-36287	XTO ENERGY INC.	Oil	39040
42-329-36288
42-329-36289
42-329-36290	XTO ENERGY INC.	Oil	39040
42-329-36291	COG OPERATING LLC	Oil	39629
42-329-36292	COG OPERATING LLC	Oil	39583
42-329-36293	COG OPERATING LLC	Oil	38844
42-329-36294	DISCOVERY OPERATING, INC.	Oil	37639
42-329-36295	DIAMONDBACK E&P LLC	Oil	39560
42-329-36296	COG OPERATING LLC	Oil	38844
42-329-36297	COG OPERATING LLC	Oil	38844
42-329-36298	COG OPERATING LLC	Oil	38844
42-329-36299	ENVIRONMENTAL DSPL SYSTEMS, LLC	Oil	39655
42-329-36300	DISCOVERY OPERATING, INC.	Oil	37639
42-329-36301	FASKEN OIL AND RANCH, LTD.	Oil	39610
42-329-36302	FASKEN OIL AND RANCH, LTD.	Oil	39610
42-329-36303	FASKEN OIL AND RANCH, LTD.	Oil	39610
42-329-36304	FASKEN OIL AND RANCH, LTD.	Oil	39610
42-329-36305	SUMMIT PETROLEUM LLC	Oil	37392
42-329-36306	SUMMIT PETROLEUM LLC	Oil	37392
42-329-36307	Windsor Energy Group, L.L.C.
42-329-36308	ENDEAVOR ENERGY RESOURCES L.P.	Oil	39683
42-329-36309	ENDEAVOR ENERGY RESOURCES L.P.	Oil	39675
42-329-36310	ENDEAVOR ENERGY RESOURCES L.P.	Oil	39683
42-329-36311	ENDEAVOR ENERGY RESOURCES L.P.	Oil	39683
42-329-36312	ENDEAVOR ENERGY RESOURCES L.P.	Oil	39683
42-329-36313	ENDEAVOR ENERGY RESOURCES L.P.	Oil	39683
42-329-36314	ENDEAVOR ENERGY RESOURCES L.P.	Oil	39683
42-329-36315	ENDEAVOR ENERGY RESOURCES L.P.	Oil	39683
42-329-36316	ENDEAVOR ENERGY RESOURCES L.P.	Oil	39675
42-329-36317	ENDEAVOR ENERGY RESOURCES L.P.	Oil	39675
42-329-36318	ENDEAVOR ENERGY RESOURCES L.P.	Oil	35707
42-329-36319	SUMMIT PETROLEUM LLC	Oil	40270
42-329-36320	DISCOVERY OPERATING, INC.	Oil	37618
42-329-36321	DISCOVERY OPERATING, INC.	Oil	37618
42-329-36322	OVINTIV USA INC.	Oil	35603
42-329-36323	ENDEAVOR ENERGY RESOURCES L.P.	Oil	35601
42-329-36324	ENDEAVOR ENERGY RESOURCES L.P.	Oil	35520
42-329-36325	Windsor Energy Group, L.L.C.
42-329-36326	OXY USA WTP LP	Oil	34635
42-329-36327	OXY USA WTP LP	Oil	34635
42-329-36328	XTO ENERGY INC.	Oil	39040
42-329-36329	ST. MARY LAND & EXPLORATION CO.
42-329-36330	OXY USA WTP LP	Oil	34646
42-329-36331	OXY USA WTP LP	Oil	34635
42-329-36332	OXY USA WTP LP	Oil	34635
42-329-36333	XTO ENERGY INC.	Oil	40191
42-329-36334	XTO ENERGY INC.	Oil	40191
42-329-36335	XTO ENERGY INC.	Oil	40191
42-329-36336	XTO ENERGY INC.	Oil	40191
42-329-36337	XTO ENERGY INC.	Oil	40191
42-329-36338	XTO ENERGY INC.	Oil	40191
42-329-36339	XTO ENERGY INC.	Oil	40191
42-329-36340	XTO ENERGY INC.	Oil	40191
42-329-36341	XTO ENERGY INC.	Oil	40191
42-329-36342	XTO ENERGY INC.	Oil	40191
42-329-36343	XTO ENERGY INC.	Oil	40191
42-329-36344	FASKEN OIL AND RANCH, LTD.	Oil	39071
42-329-36345	DIAMONDBACK E&P LLC	Oil	39560
42-329-36346	XTO ENERGY INC.	Oil	40191
42-329-36347	XTO ENERGY INC.	Oil	40191
42-329-36348	FASKEN OIL AND RANCH, LTD.	Oil	39599
42-329-36349	XTO ENERGY INC.	Oil	40191
42-329-36350	FASKEN OIL AND RANCH, LTD.	Oil	39071
42-329-36351	XTO ENERGY INC.	Oil	39788
42-329-36352	DIAMONDBACK E&P LLC	Oil	41340
42-329-36353	DIAMONDBACK E&P LLC	Oil	41340
42-329-36354	ENDEAVOR ENERGY RESOURCES L.P.	Oil	39861
42-329-36355	PETROPLEX ENERGY INC.
42-329-36356	COG OPERATING LLC	Oil	38844
42-329-36357	FASKEN OIL AND RANCH, LTD.	Oil	38820
42-329-36358	FASKEN OIL AND RANCH, LTD.	Oil	39071
42-329-36359	FASKEN OIL AND RANCH, LTD.	Oil	39071
42-329-36360	XTO ENERGY INC.	Oil	40191
42-329-36361	PIONEER NATURAL RES. USA, INC.	Oil	38326
42-329-36362	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37055
42-329-36363	PIONEER NATURAL RES. USA, INC.	Oil	37912
42-329-36364	PIONEER NATURAL RES. USA, INC.	Oil	37912
42-329-36365	PIONEER NATURAL RES. USA, INC.	Oil	37912
42-329-36366	Windsor Energy Group, L.L.C.
42-329-36367	Windsor Energy Group, L.L.C.
42-329-36368	Windsor Energy Group, L.L.C.
42-329-36369	CALLON PETROLEUM OPERATING CO	Oil	38905
42-329-36370	ENDEAVOR ENERGY RESOURCES L.P.	Oil	39875
42-329-36371	DISCOVERY OPERATING, INC.	Oil	36408
42-329-36372	DISCOVERY OPERATING, INC.	Oil	36408
42-329-36373	COG OPERATING LLC	Oil	39628
42-329-36374	SUMMIT PETROLEUM LLC	Oil	37392
42-329-36375	SUMMIT PETROLEUM LLC	Oil	37392
42-329-36376	VECTOR OIL & GAS LP
42-329-36377	VECTOR OIL & GAS LP
42-329-36378	ENDEAVOR ENERGY RESOURCES L.P.	Oil	40030
42-329-36379	FLYING W RESOURCES, LLC
42-329-36380	CALLON PETROLEUM OPERATING CO	Oil	41759
42-329-36381	XTO ENERGY INC.	Oil	39040
42-329-36382	ENDEAVOR ENERGY RESOURCES L.P.	Oil	39401
42-329-36383	COG OPERATING LLC	Oil	38844
42-329-36384	COG OPERATING LLC	Oil	38844
42-329-36385	COG OPERATING LLC	Oil	38844
42-329-36386	COG OPERATING LLC	Oil	38844
42-329-36387	ST. MARY LAND & EXPLORATION CO.
42-329-36388	Sm Energy Company	Oil	37818
42-329-36389	HENRY RESOURCES LLC	Oil	39969
42-329-36390
42-329-36391	Windsor Energy Group, L.L.C.
42-329-36392	FASKEN OIL AND RANCH, LTD.	Oil	39599
42-329-36393	FASKEN OIL AND RANCH, LTD.	Oil	39599
42-329-36394	FASKEN OIL AND RANCH, LTD.	Oil	39599
42-329-36395	FASKEN OIL AND RANCH, LTD.	Oil	39599
42-329-36396	FASKEN OIL AND RANCH, LTD.	Oil	39599
42-329-36397	FASKEN OIL AND RANCH, LTD.	Oil	39599
42-329-36398	FASKEN OIL AND RANCH, LTD.	Oil	39599
42-329-36399	ATOKA OPERATING PERMIAN, LLC	Oil	39599
42-329-36400	PIONEER NATURAL RES. USA, INC.	Oil	40040
42-329-36401	ENDEAVOR ENERGY RESOURCES L.P.
42-329-36402	DIAMONDBACK E&P LLC	Oil	39560
42-329-36403	FLYING W RESOURCES, LLC
42-329-36404	PIONEER NATURAL RES. USA, INC.	Oil	39981
42-329-36405	Windsor Energy Group, L.L.C.
42-329-36406	XTO ENERGY INC.	Oil	39041
42-329-36407	XTO ENERGY INC.	Oil	39041
42-329-36408	XTO ENERGY INC.	Oil	39041
42-329-36409	XTO ENERGY INC.	Oil	39041
42-329-36410	XTO ENERGY INC.	Oil	39040
42-329-36411	XTO ENERGY INC.	Oil	39040
42-329-36412	XTO ENERGY INC.	Oil	39040
42-329-36413	XTO ENERGY INC.	Oil	39040
42-329-36414	COG OPERATING LLC
42-329-36415	ENDEAVOR ENERGY RESOURCES L.P.	Oil	40057
42-329-36416	XTO ENERGY INC.	Oil	39788
42-329-36417	Windsor Energy Group, L.L.C.	Oil	39560
42-329-36418	DIAMONDBACK E&P LLC	Oil	40093
42-329-36419	Windsor Energy Group, L.L.C.
42-329-36420	Windsor Energy Group, L.L.C.
42-329-36421	FASKEN OIL AND RANCH, LTD.	Oil	39071
42-329-36422	WINDSOR PERMIAN LLC	Oil	39560
42-329-36423	COG OPERATING LLC	Oil	38844
42-329-36424	XTO ENERGY INC.	Oil	39041
42-329-36426	Windsor Energy Group, L.L.C.
42-329-36427	XTO ENERGY INC.	Oil	39040
42-329-36428
42-329-36429
42-329-36430	XTO ENERGY INC.	Oil	39040
42-329-36431	XTO ENERGY INC.	Oil	39040
42-329-36432	XTO ENERGY INC.	Oil	39040
42-329-36433	XTO ENERGY INC.	Oil	39040
42-329-36434	XTO ENERGY INC.	Oil	39040
42-329-36435	XTO ENERGY INC.	Oil	39040
42-329-36436	XTO ENERGY INC.	Oil	39040
42-329-36437	XTO ENERGY INC.	Oil	39040
42-329-36438	INDEPENDENCE RESOURCES MGMT, LLC	Oil	40080
42-329-36439	ENDEAVOR ENERGY RESOURCES L.P.	Oil	40531
42-329-36440	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37614
42-329-36441	DIAMONDBACK E&P LLC	Oil	36351
42-329-36442	DIAMONDBACK E&P LLC	Oil	36351
42-329-36443	DIAMONDBACK E&P LLC	Oil	36329
42-329-36444	DIAMONDBACK E&P LLC	Oil	36329
42-329-36445	CALLON PETROLEUM OPERATING CO	Oil	38873
42-329-36446	CALLON PETROLEUM OPERATING CO	Oil	38675
42-329-36447	INDEPENDENCE RESOURCES MGMT, LLC	Oil	40236
42-329-36448	COG OPERATING LLC	Oil	39585
42-329-36449	XTO ENERGY INC.	Oil	39040
42-329-36450
42-329-36451	FASKEN OIL AND RANCH, LTD.	Oil	40147
42-329-36452	FASKEN OIL AND RANCH, LTD.	Oil	40147
42-329-36453	FASKEN OIL AND RANCH, LTD.	Oil	40147
42-329-36454	FASKEN OIL AND RANCH, LTD.	Oil	40147
42-329-36455	FASKEN OIL AND RANCH, LTD.	Oil	40147
42-329-36456	FASKEN OIL AND RANCH, LTD.	Oil	40147
42-329-36457	FASKEN OIL AND RANCH, LTD.	Oil	40147
42-329-36458	FASKEN OIL AND RANCH, LTD.	Oil	40147
42-329-36459	FASKEN OIL AND RANCH, LTD.	Oil	40147
42-329-36460	DISCOVERY OPERATING, INC.	Oil	37618
42-329-36461	FASKEN OIL AND RANCH, LTD.	Oil	40147
42-329-36463	FASKEN OIL AND RANCH, LTD.	Oil	40147
42-329-36464	EXL PETROLEUM, LP
42-329-36465	DISCOVERY OPERATING, INC.	Oil	37618
42-329-36466	CHEVRON U. S. A. INC.	Oil	40383
42-329-36467	CHEVRON U. S. A. INC.	Oil	40383
42-329-36468	CHEVRON U. S. A. INC.	Oil	40383
42-329-36469	CHEVRON U. S. A. INC.	Oil	40383
42-329-36470	CHEVRON U. S. A. INC.	Oil	40383
42-329-36471	CHEVRON U. S. A. INC.	Oil	40383
42-329-36472	CHEVRON U. S. A. INC.	Oil	40383
42-329-36473	CHEVRON U. S. A. INC.	Oil	40383
42-329-36474	COG OPERATING LLC	Oil	39579
42-329-36475	PIONEER NATURAL RES. USA, INC.	Oil	40168
42-329-36476	OVINTIV USA INC.	Oil	40141
42-329-36477	OVINTIV USA INC.	Oil	35482
42-329-36478	COG OPERATING LLC	Oil	51173
42-329-36479	FASKEN OIL AND RANCH, LTD.	Oil	40147
42-329-36480	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36798
42-329-36481	FASKEN OIL AND RANCH, LTD.	Oil	40147
42-329-36482	PIONEER NATURAL RES. USA, INC.	Oil	40168
42-329-36483	FASKEN OIL AND RANCH, LTD.	Oil	40147
42-329-36484	DIAMONDBACK E&P LLC	Oil	40093
42-329-36485	ENDEAVOR ENERGY RESOURCES L.P.
42-329-36486	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37614
42-329-36487	COG OPERATING LLC	Oil	39575
42-329-36488	CALLON PETROLEUM OPERATING CO	Oil	41579
42-329-36489	CALLON PETROLEUM OPERATING CO	Oil	41579
42-329-36490	DIAMONDBACK E&P LLC	Oil	40642
42-329-36491	DIAMONDBACK E&P LLC	Oil	37911
42-329-36492	DIAMONDBACK E&P LLC	Oil	37911
42-329-36493	PATRIOT RESOURCES, INC.
42-329-36494	COG OPERATING LLC	Oil	40737
42-329-36495	DIAMONDBACK E&P LLC	Oil	40349
42-329-36496	DIAMONDBACK E&P LLC	Oil	39478
42-329-36497
42-329-36498	DIAMONDBACK E&P LLC	Oil	39623
42-329-36499	ENDEAVOR ENERGY RESOURCES L.P.
42-329-36500	ENDEAVOR ENERGY RESOURCES L.P.
42-329-36501	ENDEAVOR ENERGY RESOURCES L.P.
42-329-36502	ENDEAVOR ENERGY RESOURCES L.P.
42-329-36503	OXY USA WTP LP	Oil	41013
42-329-36504	OXY USA WTP LP	Oil	41013
42-329-36505	OXY USA WTP LP	Oil	41013
42-329-36506	CALLON PETROLEUM OPERATING CO	Oil	38675
42-329-36507	DISCOVERY OPERATING, INC.	Oil	36655
42-329-36508	CALLON PETROLEUM OPERATING CO	Oil	38675
42-329-36509	CALLON PETROLEUM OPERATING CO	Oil	38675
42-329-36510	CALLON PETROLEUM OPERATING CO	Oil	38675
42-329-36511	CALLON PETROLEUM OPERATING CO	Oil	38675
42-329-36512	HENRY RESOURCES LLC
42-329-36513	DISCOVERY OPERATING, INC.	Oil	36459
42-329-36514	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-36515	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-36516	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-36517	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-36518	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-36519	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-36520	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-36521	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-36522	FASKEN OIL AND RANCH, LTD.	Oil	40147
42-329-36523	COG OPERATING LLC	Oil	38844
42-329-36524	COG OPERATING LLC	Oil	38844
42-329-36525	COG OPERATING LLC	Oil	38844
42-329-36526	COG OPERATING LLC	Oil	38844
42-329-36527	COG OPERATING LLC	Oil	38844
42-329-36528	COG OPERATING LLC	Oil	38844
42-329-36529	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-36530	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36798
42-329-36531	ADVENTURE EXPLORATION PTRS, LLC	Oil	25835
42-329-36532	CALLON PETROLEUM OPERATING CO	Oil	38675
42-329-36533	CALLON PETROLEUM OPERATING CO	Oil	38675
42-329-36534	CALLON PETROLEUM OPERATING CO	Oil	38675
42-329-36535	CALLON PETROLEUM OPERATING CO	Oil	38675
42-329-36536	CALLON PETROLEUM OPERATING CO	Oil	38675
42-329-36537	CALLON PETROLEUM OPERATING CO	Oil	38675
42-329-36538	CALLON PETROLEUM OPERATING CO	Oil	38675
42-329-36539	CALLON PETROLEUM OPERATING CO	Oil	38675
42-329-36540	DISCOVERY OPERATING, INC.	Oil	37005
42-329-36541	INDEPENDENCE RESOURCES MGMT, LLC	Oil	38763
42-329-36542	DIAMONDBACK E&P LLC	Oil	40093
42-329-36543	FASKEN OIL AND RANCH, LTD.	Oil	40483
42-329-36544	DISCOVERY OPERATING, INC.	Oil	36585
42-329-36545	FASKEN OIL AND RANCH, LTD.	Oil	38820
42-329-36546	FASKEN OIL AND RANCH, LTD.	Oil	39599
42-329-36547	DE3 OPERATING LLC	Oil	41489
42-329-36548	Sm Energy Company	Oil	37818
42-329-36549	Sm Energy Company	Oil	37818
42-329-36550	FASKEN OIL AND RANCH, LTD.	Oil	39610
42-329-36551
42-329-36552	CALLON PETROLEUM OPERATING CO	Oil	38962
42-329-36553	FASKEN OIL AND RANCH, LTD.	Oil	39610
42-329-36554	INDEPENDENCE RESOURCES MGMT, LLC	Oil	38763
42-329-36555	CHEVRON U. S. A. INC.	Oil	40383
42-329-36556	CHEVRON U. S. A. INC.	Oil	40383
42-329-36557	CHEVRON U. S. A. INC.	Oil	40383
42-329-36558	CHEVRON U. S. A. INC.	Oil	40383
42-329-36559	CHEVRON U. S. A. INC.	Oil	40383
42-329-36560	CHEVRON U. S. A. INC.	Oil	40383
42-329-36561	CHEVRON U. S. A. INC.	Oil	40383
42-329-36562	CHEVRON U. S. A. INC.	Oil	40383
42-329-36563	CHEVRON U. S. A. INC.	Oil	40383
42-329-36564	CHEVRON U. S. A. INC.	Oil	40383
42-329-36565	COG OPERATING LLC	Oil	38531
42-329-36566	CHEVRON U. S. A. INC.	Oil	40383
42-329-36567	COG OPERATING LLC
42-329-36568	HENRY RESOURCES LLC	Oil	40215
42-329-36569	FASKEN OIL AND RANCH, LTD.	Oil	39610
42-329-36570	FASKEN OIL AND RANCH, LTD.	Oil	39610
42-329-36571	ENDEAVOR ENERGY RESOURCES L.P.	Oil	43159
42-329-36572	COG OPERATING LLC	Oil	39580
42-329-36573	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-36574	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-36576	DISCOVERY OPERATING, INC.	Oil	36585
42-329-36577	FDL OPERATING, LLC	Oil	48987
42-329-36578	OVINTIV USA INC.	Oil	34576
42-329-36579	SPIRAL ENERGY CORP.
42-329-36580	OVINTIV USA INC.	Oil	39919
42-329-36581
42-329-36582	OVINTIV USA INC.	Oil	35769
42-329-36583	OVINTIV USA INC.	Oil	39927
42-329-36584	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37055
42-329-36585
42-329-36586
42-329-36587
42-329-36588	COG OPERATING LLC	Oil	17154
42-329-36589	ENDEAVOR ENERGY RESOURCES L.P.	Oil	40893
42-329-36590	FASKEN OIL AND RANCH, LTD.	Oil	40483
42-329-36591	FASKEN OIL AND RANCH, LTD.
42-329-36592	FASKEN OIL AND RANCH, LTD.	Oil	40483
42-329-36593	FASKEN OIL AND RANCH, LTD.	Oil	40483
42-329-36594	FASKEN OIL AND RANCH, LTD.	Oil	40483
42-329-36595	FASKEN OIL AND RANCH, LTD.	Oil	40483
42-329-36596	FASKEN OIL AND RANCH, LTD.	Oil	40483
42-329-36597	FASKEN OIL AND RANCH, LTD.	Oil	40483
42-329-36598	FASKEN OIL AND RANCH, LTD.	Oil	40483
42-329-36599	ENDEAVOR ENERGY RESOURCES L.P.	Oil	39875
42-329-36600	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36798
42-329-36601	FASKEN OIL AND RANCH, LTD.	Oil	40483
42-329-36602	FASKEN OIL AND RANCH, LTD.	Oil	40483
42-329-36603	FASKEN OIL AND RANCH, LTD.	Oil	40483
42-329-36604	COG OPERATING LLC	Oil	40747
42-329-36605	ENDEAVOR ENERGY RESOURCES L.P.	Oil	39198
42-329-36606	FASKEN OIL AND RANCH, LTD.	Oil	40483
42-329-36607	FASKEN OIL AND RANCH, LTD.	Oil	40483
42-329-36608	FASKEN OIL AND RANCH, LTD.	Oil	40483
42-329-36609	ENDEAVOR ENERGY RESOURCES L.P.	Oil	35596
42-329-36610	ENDEAVOR ENERGY RESOURCES L.P.	Oil	35596
42-329-36611	ENDEAVOR ENERGY RESOURCES L.P.	Oil	35596
42-329-36612	DIAMONDBACK E&P LLC	Oil	36573
42-329-36613	DIAMONDBACK E&P LLC	Oil	21223
42-329-36614	PIONEER NATURAL RES. USA, INC.	Oil	22408
42-329-36615	SUMMIT PETROLEUM LLC
42-329-36617	DIAMONDBACK E&P LLC	Oil	36752
42-329-36618	ENDEAVOR ENERGY RESOURCES L.P.	Oil	35356
42-329-36619	DIAMONDBACK E&P LLC	Oil	36752
42-329-36620	Basic Energy Services, L.P.	Oil	42011
42-329-36621	Basic Energy Services, L.P.	Oil	40637
42-329-36622	ENDEAVOR ENERGY RESOURCES L.P.	Oil	38869
42-329-36623	PIONEER NATURAL RES. USA, INC.	Oil	38224
42-329-36624	PIONEER NATURAL RES. USA, INC.	Oil	37884
42-329-36625	PIONEER NATURAL RES. USA, INC.	Oil	37884
42-329-36626	PIONEER NATURAL RES. USA, INC.	Oil	37884
42-329-36627	PIONEER NATURAL RES. USA, INC.	Oil	30992
42-329-36628	PIONEER NATURAL RES. USA, INC.	Oil	31077
42-329-36629	OXY USA WTP LP	Oil	34646
42-329-36630	OXY USA WTP LP	Oil	34635
42-329-36631	OXY USA WTP LP	Oil	34635
42-329-36632	OXY USA WTP LP	Oil	34635
42-329-36633	OXY USA WTP LP	Oil	34635
42-329-36634	OXY USA WTP LP	Oil	34635
42-329-36635	OXY USA WTP LP	Oil	34635
42-329-36636	OXY USA WTP LP	Oil	34635
42-329-36637	OXY USA WTP LP	Oil	34635
42-329-36638	OVINTIV USA INC.	Oil	35605
42-329-36639	OXY USA WTP LP	Oil	34635
42-329-36640	OXY USA WTP LP	Oil	34635
42-329-36641	OXY USA WTP LP	Oil	34635
42-329-36642	OXY USA WTP LP	Oil	34635
42-329-36643	OXY USA WTP LP	Oil	34635
42-329-36644	OXY USA WTP LP	Oil	34635
42-329-36645	OXY USA WTP LP	Oil	34635
42-329-36646	OXY USA WTP LP	Oil	34635
42-329-36647	OXY USA WTP LP	Oil	34635
42-329-36648	OXY USA WTP LP	Oil	34635
42-329-36649	OXY USA WTP LP	Oil	34635
42-329-36650	OXY USA WTP LP	Oil	34635
42-329-36651	OXY USA WTP LP
42-329-36652	OXY USA WTP LP	Oil	34635
42-329-36653	OXY USA WTP LP	Oil	34635
42-329-36654	Legacy Reserves Operating LP	Oil	40486
42-329-36655	OXY USA WTP LP	Oil	34635
42-329-36656	OXY USA WTP LP	Oil	34635
42-329-36657	Legacy Reserves Operating LP	Oil	40709
42-329-36658	Legacy Reserves Operating LP	Oil	40709
42-329-36659	Legacy Reserves Operating LP	Oil	40709
42-329-36660	COG OPERATING LLC	Oil	38844
42-329-36661	COG OPERATING LLC	Oil	17154
42-329-36662	PIONEER NATURAL RES. USA, INC.
42-329-36663	PIONEER NATURAL RES. USA, INC.
42-329-36664	OVINTIV USA INC.	Oil	40470
42-329-36665	DIAMONDBACK E&P LLC	Oil	40642
42-329-36666	OVINTIV USA INC.	Oil	40470
42-329-36668	OVINTIV USA INC.	Oil	40470
42-329-36669	OVINTIV USA INC.	Oil	40470
42-329-36670	COG OPERATING LLC	Oil	39630
42-329-36671	PIONEER NATURAL RES. USA, INC.	Oil	37757
42-329-36672	PIONEER NATURAL RES. USA, INC.	Oil	37641
42-329-36673	PIONEER NATURAL RES. USA, INC.	Oil	37884
42-329-36674	PIONEER NATURAL RES. USA, INC.	Oil	28444
42-329-36675	COG OPERATING LLC
42-329-36676	PIONEER NATURAL RES. USA, INC.	Oil	37844
42-329-36677	COG OPERATING LLC	Oil	39630
42-329-36678	DISCOVERY OPERATING, INC.	Oil	37623
42-329-36679	COG OPERATING LLC	Oil	38531
42-329-36680	DISCOVERY OPERATING, INC.	Oil	37639
42-329-36681	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-36682	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-36683	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-36684	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-36685	COG OPERATING LLC	Oil	39630
42-329-36686	DE3 OPERATING LLC	Oil	40626
42-329-36687	DE3 OPERATING LLC	Oil	40568
42-329-36688	DIAMONDBACK E&P LLC	Oil	41364
42-329-36689	XTO ENERGY INC.	Oil	41352
42-329-36690	COG OPERATING LLC	Oil	39630
42-329-36691	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-36692	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-36693	PIONEER NATURAL RES. USA, INC.
42-329-36694	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-36695	DISCOVERY OPERATING, INC.	Oil	37855
42-329-36696	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-36697	XTO ENERGY INC.	Oil	39788
42-329-36698	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37055
42-329-36699	DIAMONDBACK E&P LLC	Oil	40890
42-329-36700	DIAMONDBACK E&P LLC	Oil	40890
42-329-36701	DIAMONDBACK E&P LLC	Oil	40890
42-329-36702	PIONEER NATURAL RES. USA, INC.	Oil	39981
42-329-36703	COG OPERATING LLC	Oil	40039
42-329-36704	COG OPERATING LLC	Oil	41025
42-329-36705	OVINTIV USA INC.	Oil	35800
42-329-36706	COG OPERATING LLC	Oil	41025
42-329-36707	DIAMONDBACK E&P LLC	Oil	40093
42-329-36708	DIAMONDBACK E&P LLC	Oil	40093
42-329-36709	DIAMONDBACK E&P LLC	Oil	40093
42-329-36710	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-36711	XTO ENERGY INC.	Oil	39788
42-329-36712	XTO ENERGY INC.	Oil	39788
42-329-36713	XTO ENERGY INC.	Oil	39788
42-329-36714	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-36715	PIONEER NATURAL RES. USA, INC.
42-329-36716	PIONEER NATURAL RES. USA, INC.	Oil	38236
42-329-36717	PIONEER NATURAL RES. USA, INC.	Oil	38236
42-329-36718	COG OPERATING LLC	Oil	39583
42-329-36719	PIONEER NATURAL RES. USA, INC.	Oil	41190
42-329-36720	FASKEN OIL AND RANCH, LTD.	Oil	40938
42-329-36721	FASKEN OIL AND RANCH, LTD.	Oil	40938
42-329-36722	FASKEN OIL AND RANCH, LTD.	Oil	40938
42-329-36723	FASKEN OIL AND RANCH, LTD.	Oil	40938
42-329-36724	FASKEN OIL AND RANCH, LTD.	Oil	40938
42-329-36725	FASKEN OIL AND RANCH, LTD.	Oil	40938
42-329-36726	FASKEN OIL AND RANCH, LTD.	Oil	40938
42-329-36727	FASKEN OIL AND RANCH, LTD.	Oil	40938
42-329-36728	FASKEN OIL AND RANCH, LTD.	Oil	40938
42-329-36729	FASKEN OIL AND RANCH, LTD.	Oil	40938
42-329-36730	FASKEN OIL AND RANCH, LTD.	Oil	40938
42-329-36731	FASKEN OIL AND RANCH, LTD.	Oil	40938
42-329-36732	FASKEN OIL AND RANCH, LTD.	Oil	40938
42-329-36733	FASKEN OIL AND RANCH, LTD.	Oil	40938
42-329-36734	FASKEN OIL AND RANCH, LTD.	Oil	40938
42-329-36735	FASKEN OIL AND RANCH, LTD.	Oil	40938
42-329-36736	FASKEN OIL AND RANCH, LTD.	Oil	40938
42-329-36737	COG OPERATING LLC	Oil	41025
42-329-36738	COG OPERATING LLC	Oil	41025
42-329-36739	COG OPERATING LLC	Oil	39630
42-329-36740	COG OPERATING LLC	Oil	39630
42-329-36741	OVINTIV USA INC.	Oil	35551
42-329-36742	ENTERPRISE PRODUCTS OPERATINGLLC
42-329-36743	FASKEN OIL AND RANCH, LTD.	Oil	40938
42-329-36744	FASKEN OIL AND RANCH, LTD.	Oil	40938
42-329-36745	COG OPERATING LLC	Oil	39578
42-329-36746	DIAMONDBACK E&P LLC	Oil	39586
42-329-36747	COG OPERATING LLC	Oil	39583
42-329-36748	INDEPENDENCE RESOURCES MGMT, LLC	Oil	40265
42-329-36749	CALLON PETROLEUM OPERATING CO	Oil	38962
42-329-36750	OVINTIV USA INC.	Oil	50048
42-329-36751	FASKEN OIL AND RANCH, LTD.	Oil	40147
42-329-36752	DIAMONDBACK E&P LLC	Oil	40349
42-329-36753	FASKEN OIL AND RANCH, LTD.	Oil	40147
42-329-36754	COG OPERATING LLC	Oil	39630
42-329-36755	COG OPERATING LLC	Oil	39630
42-329-36756	COG OPERATING LLC	Oil	39577
42-329-36757	CALLON PETROLEUM OPERATING CO	Oil	38807
42-329-36758	CALLON PETROLEUM OPERATING CO	Oil	38807
42-329-36759	CALLON PETROLEUM OPERATING CO	Oil	38807
42-329-36760	CALLON PETROLEUM OPERATING CO	Oil	38807
42-329-36761	CALLON PETROLEUM OPERATING CO	Oil	38873
42-329-36762	COG OPERATING LLC	Oil	39627
42-329-36763	PIONEER NATURAL RES. USA, INC.	Oil	40850
42-329-36764	PIONEER NATURAL RES. USA, INC.	Oil	06451
42-329-36765	PIONEER NATURAL RES. USA, INC.	Oil	06451
42-329-36766	ENDEAVOR ENERGY RESOURCES L.P.	Oil	39861
42-329-36767	HENRY RESOURCES LLC	Oil	40215
42-329-36768	PARSLEY ENERGY OPERATIONS, LLC	Oil	51043
42-329-36769	DE3 OPERATING LLC	Oil	33432
42-329-36770	PIONEER NATURAL RES. USA, INC.
42-329-36771	PIONEER NATURAL RES. USA, INC.	Oil	41492
42-329-36772	PIONEER NATURAL RES. USA, INC.	Oil	32144
42-329-36773	PIONEER NATURAL RES. USA, INC.	Oil	06451
42-329-36774	PIONEER NATURAL RES. USA, INC.
42-329-36775	OXY USA WTP LP	Oil	34635
42-329-36776	OXY USA WTP LP	Oil	34646
42-329-36777	OXY USA WTP LP	Oil	34646
42-329-36778	OXY USA WTP LP	Oil	34635
42-329-36779	OXY USA WTP LP	Oil	34635
42-329-36780	OXY USA WTP LP	Oil	34646
42-329-36781	OXY USA WTP LP	Oil	34635
42-329-36782	OXY USA WTP LP	Oil	34635
42-329-36783	OXY USA WTP LP	Oil	34635
42-329-36784	PIONEER NATURAL RES. USA, INC.	Oil	22408
42-329-36785	XTO ENERGY INC.	Oil	40891
42-329-36786	XTO ENERGY INC.	Oil	40891
42-329-36787	DIAMONDBACK E&P LLC	Oil	40890
42-329-36788	DIAMONDBACK E&P LLC	Oil	40890
42-329-36789	DIAMONDBACK E&P LLC	Oil	40890
42-329-36790	DIAMONDBACK E&P LLC	Oil	40890
42-329-36791	DIAMONDBACK E&P LLC	Oil	40890
42-329-36792	CALLON PETROLEUM OPERATING CO	Oil	38905
42-329-36793	CALLON PETROLEUM OPERATING CO	Oil	38905
42-329-36794	CALLON PETROLEUM OPERATING CO	Oil	38905
42-329-36795	DIAMONDBACK E&P LLC	Oil	41340
42-329-36796	PIONEER NATURAL RES. USA, INC.	Oil	34142
42-329-36797	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-36798	PIONEER NATURAL RES. USA, INC.	Oil	34142
42-329-36799	PIONEER NATURAL RES. USA, INC.	Oil	28564
42-329-36800	WINDSOR PERMIAN LLC	Oil	40653
42-329-36801	PIONEER NATURAL RES. USA, INC.	Oil	28564
42-329-36802	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-36803	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-36804	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-36805	PIONEER NATURAL RES. USA, INC.	Oil	41917
42-329-36806	CALLON PETROLEUM OPERATING CO	Oil	39110
42-329-36807	DISCOVERY OPERATING, INC.	Oil	41132
42-329-36808	DISCOVERY OPERATING, INC.	Oil	41132
42-329-36809	PIONEER NATURAL RES. USA, INC.	Oil	34265
42-329-36810	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-36811	PIONEER NATURAL RES. USA, INC.	Oil	30974
42-329-36812	PIONEER NATURAL RES. USA, INC.	Oil	28661
42-329-36813	PIONEER NATURAL RES. USA, INC.	Oil	37616
42-329-36814	COG OPERATING LLC	Oil	17150
42-329-36815	PIONEER NATURAL RES. USA, INC.	Oil	37616
42-329-36816	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36798
42-329-36817	PIONEER NATURAL RES. USA, INC.	Oil	37616
42-329-36818	PIONEER NATURAL RES. USA, INC.	Oil	37872
42-329-36819	CALLON PETROLEUM OPERATING CO	Oil	38962
42-329-36820	COG OPERATING LLC	Oil	41895
42-329-36821	COG OPERATING LLC	Oil	38844
42-329-36822	COG OPERATING LLC	Oil	41704
42-329-36823	XTO ENERGY INC.	Oil	33404
42-329-36824	SANDRIDGE EXPL. AND PROD., LLC
42-329-36825	INDEPENDENCE RESOURCES MGMT, LLC	Oil	38763
42-329-36826	XTO ENERGY INC.	Oil	40891
42-329-36827	XTO ENERGY INC.	Oil	40891
42-329-36828	COG OPERATING LLC	Oil	34636
42-329-36829	COG OPERATING LLC	Oil	41083
42-329-36830	CROWNQUEST OPERATING, LLC	Oil	42255
42-329-36831	OVINTIV USA INC.	Oil	35490
42-329-36832	OXY USA WTP LP	Oil	34635
42-329-36833	OXY USA WTP LP	Oil	34646
42-329-36834	OXY USA WTP LP	Oil	34635
42-329-36835	OXY USA WTP LP	Oil	34635
42-329-36836	OXY USA WTP LP	Oil	34635
42-329-36837	INDEPENDENCE RESOURCES MGMT, LLC	Oil	40748
42-329-36838	MID-STATES OPERATING COMPANY	Oil	39220
42-329-36839	SANDRIDGE EXPL. AND PROD., LLC
42-329-36840	OVINTIV USA INC.	Oil	40840
42-329-36841	DIAMONDBACK E&P LLC	Oil	40653
42-329-36842	SANDRIDGE EXPL. AND PROD., LLC
42-329-36843	XTO ENERGY INC.	Oil	33404
42-329-36844	XTO ENERGY INC.	Oil	33404
42-329-36845	BERRY OIL COMP.
42-329-36846	Legacy Reserves Operating LP	Oil	40486
42-329-36847	CALLON PETROLEUM OPERATING CO	Oil	38962
42-329-36848	Legacy Reserves Operating LP	Oil	40709
42-329-36849	CALLON PETROLEUM OPERATING CO	Oil	38905
42-329-36850	CALLON PETROLEUM OPERATING CO	Oil	38816
42-329-36851	CALLON PETROLEUM OPERATING CO	Oil	38962
42-329-36852	SANDRIDGE EXPL. AND PROD., LLC
42-329-36853	COG OPERATING LLC	Oil	38844
42-329-36854	COG OPERATING LLC	Oil	38844
42-329-36855	DIAMONDBACK E&P LLC	Oil	41146
42-329-36856	COG OPERATING LLC	Oil	38844
42-329-36857	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37480
42-329-36858	PIONEER NATURAL RES. USA, INC.	Oil	38236
42-329-36859	DIAMONDBACK E&P LLC	Oil	39560
42-329-36860	ENDEAVOR ENERGY RESOURCES L.P.	Oil	26349
42-329-36861	DE3 OPERATING LLC	Oil	41191
42-329-36862	ENDEAVOR ENERGY RESOURCES L.P.	Oil	34335
42-329-36864	COG OPERATING LLC	Oil	39583
42-329-36865	COG OPERATING LLC	Oil	39583
42-329-36866	INDEPENDENCE RESOURCES MGMT, LLC	Oil	40236
42-329-36867	ADVENTURE EXPLORATION PTRS, LLC
42-329-36868	ADVENTURE EXPLORATION PTRS, LLC
42-329-36869	DE3 OPERATING LLC	Oil	41053
42-329-36870	CALLON PETROLEUM OPERATING CO	Oil	38816
42-329-36871	CALLON PETROLEUM OPERATING CO	Oil	38873
42-329-36872	COG OPERATING LLC	Oil	17547
42-329-36873	COG OPERATING LLC	Oil	39629
42-329-36874	COG OPERATING LLC	Oil	39630
42-329-36875	COG OPERATING LLC	Oil	17154
42-329-36876	XTO ENERGY INC.	Oil	33404
42-329-36877	BERRY OIL COMP.
42-329-36878	PIONEER NATURAL RES. USA, INC.	Oil	29651
42-329-36879	PIONEER NATURAL RES. USA, INC.	Oil	41917
42-329-36880	PIONEER NATURAL RES. USA, INC.	Oil	41190
42-329-36881	PIONEER NATURAL RES. USA, INC.	Oil	22421
42-329-36882	CHEVRON U. S. A. INC.	Oil	40383
42-329-36883	CHEVRON U. S. A. INC.	Oil	40383
42-329-36884	CHEVRON U. S. A. INC.	Oil	40383
42-329-36885	CHEVRON U. S. A. INC.
42-329-36886	CHEVRON U. S. A. INC.	Oil	40383
42-329-36887	CHEVRON U. S. A. INC.	Oil	40383
42-329-36888	CHEVRON U. S. A. INC.	Oil	40383
42-329-36889	CHEVRON U. S. A. INC.	Oil	40383
42-329-36890	CHEVRON U. S. A. INC.	Oil	40383
42-329-36891	CHEVRON U. S. A. INC.	Oil	40383
42-329-36892	CHEVRON U. S. A. INC.	Oil	40383
42-329-36893	CHEVRON U. S. A. INC.	Oil	40383
42-329-36894	CALLON PETROLEUM OPERATING CO	Oil	41759
42-329-36895	CALLON PETROLEUM OPERATING CO	Oil	39110
42-329-36896	ENDEAVOR ENERGY RESOURCES L.P.
42-329-36897	ENDEAVOR ENERGY RESOURCES L.P.
42-329-36898	PIONEER NATURAL RES. USA, INC.	Oil	38326
42-329-36899	PIONEER NATURAL RES. USA, INC.	Oil	38326
42-329-36900	FASKEN OIL AND RANCH, LTD.	Oil	40147
42-329-36901	PIONEER NATURAL RES. USA, INC.	Oil	38326
42-329-36902	FASKEN OIL AND RANCH, LTD.	Oil	40147
42-329-36903	FASKEN OIL AND RANCH, LTD.	Oil	40147
42-329-36904	CALLON PETROLEUM OPERATING CO	Oil	38962
42-329-36905	CALLON PETROLEUM OPERATING CO	Oil	38899
42-329-36906	CALLON PETROLEUM OPERATING CO	Oil	38873
42-329-36907	FASKEN OIL AND RANCH, LTD.	Oil	40483
42-329-36908	FASKEN OIL AND RANCH, LTD.	Oil	41192
42-329-36909	FASKEN OIL AND RANCH, LTD.	Oil	41192
42-329-36910	FASKEN OIL AND RANCH, LTD.	Oil	41192
42-329-36911	FASKEN OIL AND RANCH, LTD.	Oil	41192
42-329-36912	FASKEN OIL AND RANCH, LTD.	Oil	41192
42-329-36913	FASKEN OIL AND RANCH, LTD.	Oil	41192
42-329-36914	FASKEN OIL AND RANCH, LTD.	Oil	41192
42-329-36915	FASKEN OIL AND RANCH, LTD.	Oil	41192
42-329-36916	CALLON PETROLEUM OPERATING CO	Oil	38962
42-329-36917	CALLON PETROLEUM OPERATING CO	Oil	38962
42-329-36918	CALLON PETROLEUM OPERATING CO	Oil	38962
42-329-36919	CALLON PETROLEUM OPERATING CO	Oil	38962
42-329-36920	CALLON PETROLEUM OPERATING CO	Oil	38962
42-329-36921	CALLON PETROLEUM OPERATING CO	Oil	38962
42-329-36922	CALLON PETROLEUM OPERATING CO	Oil	38962
42-329-36923	CALLON PETROLEUM OPERATING CO	Oil	38899
42-329-36924	CALLON PETROLEUM OPERATING CO	Oil	38899
42-329-36925	CALLON PETROLEUM OPERATING CO	Oil	38899
42-329-36926	CALLON PETROLEUM OPERATING CO	Oil	38899
42-329-36927	FASKEN OIL AND RANCH, LTD.	Oil	40483
42-329-36928	FASKEN OIL AND RANCH, LTD.	Oil	40483
42-329-36929	FASKEN OIL AND RANCH, LTD.	Oil	40483
42-329-36930	CALLON PETROLEUM OPERATING CO	Oil	38807
42-329-36931	CALLON PETROLEUM OPERATING CO	Oil	38807
42-329-36932	CALLON PETROLEUM OPERATING CO	Oil	38807
42-329-36933	CALLON PETROLEUM OPERATING CO	Oil	38807
42-329-36934	HENRY RESOURCES LLC	Oil	38807
42-329-36935	CALLON PETROLEUM OPERATING CO	Oil	38807
42-329-36936	CALLON PETROLEUM OPERATING CO	Oil	38807
42-329-36937	SOLARIS WATER MIDSTREAM, LLC	Oil	41827
42-329-36938	PIONEER NATURAL RES. USA, INC.	Oil	37667
42-329-36939	HENRY RESOURCES LLC
42-329-36940	HENRY RESOURCES LLC
42-329-36941	CALLON PETROLEUM OPERATING CO	Oil	38905
42-329-36942	CALLON PETROLEUM OPERATING CO	Oil	38905
42-329-36943	CALLON PETROLEUM OPERATING CO	Oil	38905
42-329-36944	HENRY RESOURCES LLC
42-329-36945	HENRY RESOURCES LLC
42-329-36946	CALLON PETROLEUM OPERATING CO	Oil	38873
42-329-36947	CALLON PETROLEUM OPERATING CO	Oil	38873
42-329-36948	HENRY RESOURCES LLC
42-329-36949	HENRY RESOURCES LLC
42-329-36950	HENRY RESOURCES LLC
42-329-36951	CALLON PETROLEUM OPERATING CO	Oil	38873
42-329-36952	CALLON PETROLEUM OPERATING CO	Oil	42422
42-329-36953	CALLON PETROLEUM OPERATING CO	Oil	38873
42-329-36954	PIONEER NATURAL RES. USA, INC.	Oil	37708
42-329-36955	Naumann Oil & Gas, Inc.	Oil	41387
42-329-36956	PIONEER NATURAL RES. USA, INC.	Oil	38129
42-329-36957	OXY USA WTP LP	Oil	34646
42-329-36958	DE3 OPERATING LLC	Oil	25987
42-329-36959	DE3 OPERATING LLC	Oil	33360
42-329-36960	COG OPERATING LLC	Oil	39630
42-329-36961	FASKEN OIL AND RANCH, LTD.	Oil	40483
42-329-36962	COG OPERATING LLC	Oil	17150
42-329-36963	COG OPERATING LLC	Oil	17150
42-329-36964	COG OPERATING LLC
42-329-36965	COG OPERATING LLC	Oil	39630
42-329-36966	ENDEAVOR ENERGY RESOURCES L.P.	Oil	39198
42-329-36967	COG OPERATING LLC	Oil	39576
42-329-36968	CALLON PETROLEUM OPERATING CO	Oil	38899
42-329-36969	CALLON PETROLEUM OPERATING CO	Oil	38675
42-329-36970	CALLON PETROLEUM OPERATING CO	Oil	38675
42-329-36971	INFLOW OPERATING	Oil	41034
42-329-36972	COG OPERATING LLC	Oil	39583
42-329-36973	CALLON PETROLEUM OPERATING CO	Oil	38905
42-329-36974	HENRY RESOURCES LLC
42-329-36975	CALLON PETROLEUM OPERATING CO	Oil	38816
42-329-36976	CALLON PETROLEUM OPERATING CO	Oil	38816
42-329-36977	CALLON PETROLEUM OPERATING CO	Oil	38816
42-329-36978	HENRY RESOURCES LLC
42-329-36979	CALLON PETROLEUM OPERATING CO	Oil	38816
42-329-36980	CALLON PETROLEUM OPERATING CO	Oil	38816
42-329-36981	CALLON PETROLEUM OPERATING CO	Oil	38816
42-329-36982	HENRY RESOURCES LLC
42-329-36983	HENRY RESOURCES LLC
42-329-36984
42-329-36985	PIONEER NATURAL RES. USA, INC.	Oil	37679
42-329-36986	HENRY RESOURCES LLC
42-329-36987	HENRY RESOURCES LLC
42-329-36988	HENRY RESOURCES LLC
42-329-36989	HENRY RESOURCES LLC
42-329-36990	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-36991	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-36992	PIONEER NATURAL RES. USA, INC.	Oil	38494
42-329-36993	PIONEER NATURAL RES. USA, INC.	Oil	38494
42-329-36994	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-36995	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-36996	CHEVRON U. S. A. INC.	Oil	40940
42-329-36997	CHEVRON U. S. A. INC.	Oil	40940
42-329-36998	CHEVRON U. S. A. INC.	Oil	40940
42-329-36999	CHEVRON U. S. A. INC.	Oil	40940
42-329-37000	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-37001	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-37002	PIONEER NATURAL RES. USA, INC.	Oil	06451
42-329-37003	PIONEER NATURAL RES. USA, INC.	Oil	41548
42-329-37004	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-37005	PIONEER NATURAL RES. USA, INC.	Oil	06451
42-329-37006	FASKEN OIL AND RANCH, LTD.	Oil	39599
42-329-37007	FASKEN OIL AND RANCH, LTD.	Oil	39599
42-329-37008	BIRCH OPERATIONS, INC.	Oil	41598
42-329-37009	FASKEN OIL AND RANCH, LTD.	Oil	39599
42-329-37010	FASKEN OIL AND RANCH, LTD.	Oil	39599
42-329-37011	FASKEN OIL AND RANCH, LTD.	Oil	39599
42-329-37012	FASKEN OIL AND RANCH, LTD.	Oil	39599
42-329-37013	FASKEN OIL AND RANCH, LTD.	Oil	39599
42-329-37014	BIRCH OPERATIONS, INC.	Oil	41435
42-329-37015	PIONEER NATURAL RES. USA, INC.	Oil	41841
42-329-37016	DIAMONDBACK E&P LLC	Oil	39560
42-329-37017	DIAMONDBACK E&P LLC	Oil	40642
42-329-37018
42-329-37019	PARSLEY ENERGY OPERATIONS, LLC	Oil	45846
42-329-37020	SUMMIT PETROLEUM LLC	Oil	37392
42-329-37021	SUMMIT PETROLEUM LLC	Oil	37832
42-329-37022	DIAMONDBACK E&P LLC	Oil	41264
42-329-37023	DIAMONDBACK E&P LLC	Oil	41146
42-329-37024	ENDEAVOR ENERGY RESOURCES L.P.	Oil	41308
42-329-37025	DIAMONDBACK E&P LLC	Oil	41637
42-329-37026	ENDEAVOR ENERGY RESOURCES L.P.	Oil	26605
42-329-37027	COG OPERATING LLC	Oil	41083
42-329-37028	COG OPERATING LLC	Oil	38844
42-329-37029	COG OPERATING LLC	Oil	38844
42-329-37030	COG OPERATING LLC	Oil	38844
42-329-37031	COG OPERATING LLC	Oil	38844
42-329-37032	DIAMONDBACK E&P LLC	Oil	41364
42-329-37033	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-37034	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-37035	DIAMONDBACK E&P LLC	Oil	41340
42-329-37036	XTO ENERGY INC.	Oil	40891
42-329-37037	XTO ENERGY INC.	Oil	40891
42-329-37038	XTO ENERGY INC.	Oil	40891
42-329-37039	XTO ENERGY INC.	Oil	40891
42-329-37040	COG OPERATING LLC	Oil	38844
42-329-37041	XTO ENERGY INC.	Oil	41352
42-329-37042	COG OPERATING LLC	Oil	17154
42-329-37043	COG OPERATING LLC	Oil	41083
42-329-37044	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-37045	COG OPERATING LLC	Oil	41083
42-329-37046	DIAMONDBACK E&P LLC	Oil	41131
42-329-37047	DIAMONDBACK E&P LLC	Oil	41131
42-329-37048	COG OPERATING LLC	Oil	41368
42-329-37049	COG OPERATING LLC	Oil	39627
42-329-37050	COG OPERATING LLC	Oil	39577
42-329-37051	COG OPERATING LLC	Oil	17154
42-329-37052	COG OPERATING LLC	Oil	39630
42-329-37053	COG OPERATING LLC	Oil	39630
42-329-37054	DIAMONDBACK E&P LLC	Oil	41340
42-329-37055	MID-STATES OPERATING COMPANY	Oil	47999
42-329-37056	PIONEER NATURAL RES. USA, INC.	Oil	38494
42-329-37058	DIAMONDBACK E&P LLC	Oil	40653
42-329-37059	CHEVRON U. S. A. INC.	Oil	40383
42-329-37060	CHEVRON U. S. A. INC.	Oil	40383
42-329-37061	CHEVRON U. S. A. INC.	Oil	40383
42-329-37062	CHEVRON U. S. A. INC.	Oil	40383
42-329-37063	CHEVRON U. S. A. INC.	Oil	40383
42-329-37064	CHEVRON U. S. A. INC.	Oil	40383
42-329-37065	CHEVRON U. S. A. INC.	Oil	40383
42-329-37066	CHEVRON U. S. A. INC.	Oil	40383
42-329-37067	BLUESTEM ENERGY HOLDINGS, LLC	Oil	26349
42-329-37068	OXY USA WTP LP	Oil	34635
42-329-37069	OXY USA WTP LP	Oil	34635
42-329-37070	COG OPERATING LLC	Oil	41440
42-329-37071	CJ ENERGY, LLC
42-329-37072	DIAMONDBACK E&P LLC	Oil	32168
42-329-37073	XTO ENERGY INC.	Oil	32407
42-329-37074	XTO ENERGY INC.	Oil	32407
42-329-37075	MID-STATES OPERATING COMPANY	Oil	39220
42-329-37076	INDEPENDENCE RESOURCES MGMT, LLC	Oil	41454
42-329-37077	HENRY RESOURCES LLC	Oil	39227
42-329-37078	DIAMONDBACK E&P LLC	Oil	32168
42-329-37079	OXY USA WTP LP	Oil	34635
42-329-37080	OXY USA WTP LP	Oil	34635
42-329-37081	OXY USA WTP LP	Oil	34635
42-329-37082	CJ ENERGY, LLC
42-329-37083	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36784
42-329-37084	CALLON PETROLEUM OPERATING CO	Oil	41579
42-329-37085	CALLON PETROLEUM OPERATING CO	Oil	41579
42-329-37086	CALLON PETROLEUM OPERATING CO	Oil	43608
42-329-37087	Hunt Oil Company	Oil	20269
42-329-37088	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-37089	COG OPERATING LLC	Oil	39583
42-329-37090	COG OPERATING LLC	Oil	39629
42-329-37091	COG OPERATING LLC	Oil	39583
42-329-37092	COG OPERATING LLC	Oil	17154
42-329-37093	Hunt Oil Company	Oil	20269
42-329-37094	COG OPERATING LLC	Oil	39630
42-329-37095	CALLON PETROLEUM OPERATING CO	Oil	41759
42-329-37096	WINDSOR PERMIAN LLC
42-329-37097	OXY USA WTP LP	Oil	34635
42-329-37098	OXY USA WTP LP	Oil	34635
42-329-37099	OXY USA WTP LP	Oil	34635
42-329-37100	OXY USA WTP LP	Oil	34635
42-329-37101	OXY USA WTP LP	Oil	34635
42-329-37102	FASKEN OIL AND RANCH, LTD.
42-329-37103	FASKEN OIL AND RANCH, LTD.
42-329-37104	FASKEN OIL AND RANCH, LTD.
42-329-37105	FASKEN OIL AND RANCH, LTD.
42-329-37106	XTO ENERGY INC.	Oil	32407
42-329-37107	OXY USA WTP LP	Oil	34635
42-329-37108	OXY USA WTP LP	Oil	34635
42-329-37109	OXY USA WTP LP	Oil	34635
42-329-37110	OXY USA WTP LP	Oil	34635
42-329-37111	OXY USA WTP LP	Oil	34635
42-329-37112	OXY USA WTP LP	Oil	34635
42-329-37113	COG OPERATING LLC	Oil	41578
42-329-37114	RSP PERMIAN, LLC	Oil	41934
42-329-37115	RSP PERMIAN, LLC	Oil	41934
42-329-37116	RSP PERMIAN, LLC
42-329-37117	COG OPERATING LLC	Oil	38014
42-329-37118	COG OPERATING LLC	Oil	41368
42-329-37119	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-37120	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-37121	DIAMONDBACK E&P LLC	Oil	41638
42-329-37122	DIAMONDBACK E&P LLC	Oil	41146
42-329-37124	COG OPERATING LLC	Oil	41934
42-329-37125
42-329-37126	PIONEER NATURAL RES. USA, INC.	Oil	37627
42-329-37127	COG OPERATING LLC	Oil	41578
42-329-37128	COG OPERATING LLC	Oil	41578
42-329-37129	PIONEER NATURAL RES. USA, INC.	Oil	34142
42-329-37130	DIAMONDBACK E&P LLC	Oil	41146
42-329-37131	PIONEER NATURAL RES. USA, INC.	Oil	37616
42-329-37132	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-37133	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-37134	CALLON PETROLEUM OPERATING CO	Oil	41759
42-329-37135	CALLON PETROLEUM OPERATING CO	Oil	41759
42-329-37136	CALLON PETROLEUM OPERATING CO
42-329-37137	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36888
42-329-37138	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36646
42-329-37139	INDEPENDENCE RESOURCES MGMT, LLC	Oil	38763
42-329-37140	INDEPENDENCE RESOURCES MGMT, LLC	Oil	38763
42-329-37141	CALLON PETROLEUM OPERATING CO	Oil	41759
42-329-37142	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36689
42-329-37143	INDEPENDENCE RESOURCES MGMT, LLC	Oil	38763
42-329-37144	PIONEER NATURAL RES. USA, INC.	Oil	22276
42-329-37145	PIONEER NATURAL RES. USA, INC.	Oil	22276
42-329-37146	PIONEER NATURAL RES. USA, INC.	Oil	22276
42-329-37147	PIONEER NATURAL RES. USA, INC.	Oil	38224
42-329-37148	PIONEER NATURAL RES. USA, INC.	Oil	37880
42-329-37150	Abraxas Petroleum Corporation
42-329-37151	Basic Energy Services, L.P.
42-329-37152	Abraxas Petroleum Corporation
42-329-37153	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36423
42-329-37154	PIONEER NATURAL RES. USA, INC.	Oil	06267
42-329-37155	CHEVRON U. S. A. INC.	Oil	42250
42-329-37156	CHEVRON U. S. A. INC.	Oil	35794
42-329-37157	CHEVRON U. S. A. INC.	Oil	41085
42-329-37158	CHEVRON U. S. A. INC.	Oil	41085
42-329-37159	PIONEER NATURAL RES. USA, INC.	Oil	06451
42-329-37160	MID-STATES OPERATING COMPANY	Oil	39220
42-329-37161	COG OPERATING LLC	Oil	41430
42-329-37162	OVINTIV USA INC.	Oil	40470
42-329-37163	PIONEER NATURAL RES. USA, INC.	Oil	06390
42-329-37164	MID-STATES OPERATING COMPANY	Oil	39220
42-329-37165	DE3 OPERATING LLC	Oil	23851
42-329-37167	Linn Operating, Inc.
42-329-37168	Linn Operating, Inc.
42-329-37169	ADVENTURE EXPLORATION PTRS, LLC
42-329-37170	ADVENTURE EXPLORATION PTRS, LLC
42-329-37171	OXY USA WTP LP	Oil	34635
42-329-37172	OXY USA WTP LP	Oil	34635
42-329-37173	OXY USA WTP LP	Oil	34635
42-329-37174	OXY USA WTP LP	Oil	34635
42-329-37175	OXY USA WTP LP	Oil	34635
42-329-37176	OXY USA WTP LP	Oil	34635
42-329-37177	OXY USA WTP LP	Oil	34635
42-329-37178	OXY USA WTP LP	Oil	34635
42-329-37179	COG OPERATING LLC	Oil	41895
42-329-37180	OXY USA WTP LP	Oil	34635
42-329-37181	OXY USA WTP LP	Oil	34635
42-329-37182	OXY USA WTP LP	Oil	34635
42-329-37183	PIONEER NATURAL RES. USA, INC.	Oil	33709
42-329-37184	FASKEN OIL AND RANCH, LTD.	Oil	41497
42-329-37185	PIONEER NATURAL RES. USA, INC.	Oil	21240
42-329-37186	PIONEER NATURAL RES. USA, INC.	Oil	31668
42-329-37187	DE3 OPERATING LLC	Oil	41615
42-329-37188	PARSLEY ENERGY OPERATIONS, LLC
42-329-37189	DE3 OPERATING LLC	Oil	42215
42-329-37190	DE3 OPERATING LLC	Oil	42215
42-329-37191	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-37192	CHEVRON U. S. A. INC.	Oil	42704
42-329-37193	CHEVRON U. S. A. INC.
42-329-37194	CHEVRON U. S. A. INC.	Oil	42704
42-329-37195	CHEVRON U. S. A. INC.
42-329-37196	CHEVRON U. S. A. INC.	Oil	42704
42-329-37197	CHEVRON U. S. A. INC.	Oil	42704
42-329-37198	CHEVRON U. S. A. INC.	Oil	42704
42-329-37199	CHEVRON U. S. A. INC.
42-329-37200	Linn Operating, Inc.
42-329-37201	XTO ENERGY INC.	Oil	39040
42-329-37202	XTO ENERGY INC.	Oil	39040
42-329-37203	XTO ENERGY INC.	Oil	39040
42-329-37204	XTO ENERGY INC.	Oil	39040
42-329-37205	Linn Operating, Inc.
42-329-37206	XTO ENERGY INC.	Oil	39040
42-329-37207	XTO ENERGY INC.	Oil	39040
42-329-37208	Linn Operating, Inc.
42-329-37209	HENRY RESOURCES LLC	Oil	39969
42-329-37210	HENRY RESOURCES LLC	Oil	39969
42-329-37211	CHEVRON U. S. A. INC.	Oil	42704
42-329-37212	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-37213	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-37214	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-37215	OXY USA WTP LP	Oil	34635
42-329-37216	DIAMONDBACK E&P LLC	Oil	40653
42-329-37217	DE3 OPERATING LLC	Oil	41924
42-329-37218	XTO ENERGY INC.	Oil	39040
42-329-37219	DE3 OPERATING LLC	Oil	41924
42-329-37220	WINDSOR PERMIAN LLC
42-329-37221	FASKEN OIL AND RANCH, LTD.	Oil	41497
42-329-37222	FASKEN OIL AND RANCH, LTD.	Oil	41497
42-329-37223	FASKEN OIL AND RANCH, LTD.	Oil	41497
42-329-37224	FASKEN OIL AND RANCH, LTD.	Oil	41497
42-329-37225	FASKEN OIL AND RANCH, LTD.	Oil	41497
42-329-37226	FASKEN OIL AND RANCH, LTD.	Oil	41497
42-329-37227	FASKEN OIL AND RANCH, LTD.	Oil	41497
42-329-37228	FASKEN OIL AND RANCH, LTD.	Oil	41497
42-329-37229	FASKEN OIL AND RANCH, LTD.	Oil	41497
42-329-37230	HOLLY ENERGY PARTNERS-OP, L.P.
42-329-37231	HOLLY ENERGY PARTNERS-OP, L.P.
42-329-37232	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-37234	FDL OPERATING, LLC	Oil	41018
42-329-37235	CHEVRON U. S. A. INC.	Oil	42704
42-329-37236	CHEVRON U. S. A. INC.	Oil	42704
42-329-37237	COG OPERATING LLC	Oil	39630
42-329-37238	COG OPERATING LLC	Oil	41895
42-329-37239	PIONEER NATURAL RES. USA, INC.	Oil	31077
42-329-37240	PIONEER NATURAL RES. USA, INC.
42-329-37241	PIONEER NATURAL RES. USA, INC.
42-329-37242	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36646
42-329-37243	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-37244	INDEPENDENCE RESOURCES MGMT, LLC	Oil	40265
42-329-37245	Legacy Reserves Operating LP	Oil	40709
42-329-37246	PIONEER NATURAL RES. USA, INC.
42-329-37247	Legacy Reserves Operating LP	Oil	40709
42-329-37248	DIAMONDBACK E&P LLC	Oil	35602
42-329-37249	CHEVRON U. S. A. INC.	Oil	42704
42-329-37250	DIAMONDBACK E&P LLC	Oil	42007
42-329-37251	CHEVRON U. S. A. INC.	Oil	42704
42-329-37252	OVINTIV USA INC.	Oil	41938
42-329-37253	DIAMONDBACK E&P LLC	Oil	42007
42-329-37254	OVINTIV USA INC.	Oil	42032
42-329-37255	CHEVRON U. S. A. INC.	Oil	42704
42-329-37256	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-37257	OVINTIV USA INC.	Oil	35664
42-329-37258	OVINTIV USA INC.	Oil	35664
42-329-37259	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-37260	DIAMONDBACK E&P LLC	Oil	41340
42-329-37261	DIAMONDBACK E&P LLC
42-329-37262	DIAMONDBACK E&P LLC
42-329-37263	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-37264	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-37265	COG OPERATING LLC	Oil	39583
42-329-37266	ENDEAVOR ENERGY RESOURCES L.P.	Oil	39401
42-329-37267	XTO ENERGY INC.	Oil	41677
42-329-37268	XTO ENERGY INC.	Oil	41677
42-329-37269	XTO ENERGY INC.	Oil	42161
42-329-37270	BERRY OIL COMPANY
42-329-37271	COG OPERATING LLC	Oil	39630
42-329-37272	COG OPERATING LLC	Oil	39629
42-329-37273	COG OPERATING LLC	Oil	41846
42-329-37274	COG OPERATING LLC	Oil	39630
42-329-37275	COG OPERATING LLC	Oil	39577
42-329-37276	DIAMONDBACK E&P LLC	Oil	41364
42-329-37277	COG OPERATING LLC	Oil	41440
42-329-37278	OVINTIV USA INC.	Oil	40470
42-329-37279	VAQUERO HUNTER INC.	Oil	41884
42-329-37280	VAQUERO HUNTER INC.	Oil	41884
42-329-37281	CAZA OPERATING, LLC
42-329-37282	CAZA OPERATING, LLC
42-329-37283	BERRY OIL COMP.
42-329-37284	BERRY OIL COMP.
42-329-37285	XTO ENERGY INC.	Oil	32407
42-329-37286	XTO ENERGY INC.	Oil	32407
42-329-37287	BERRY OIL COMP.
42-329-37288	XTO ENERGY INC.	Oil	32407
42-329-37289	BERRY OIL COMP.
42-329-37290	XTO ENERGY INC.	Oil	32407
42-329-37291	BERRY OIL COMP.
42-329-37292
42-329-37293	BERRY OIL COMP.
42-329-37294	BERRY OIL COMP.
42-329-37295	DIAMONDBACK E&P LLC	Oil	35371
42-329-37296	BERRY OIL COMP.
42-329-37297	INDEPENDENCE RESOURCES MGMT, LLC	Oil	41952
42-329-37298	ENDEAVOR ENERGY RESOURCES L.P.	Oil	42297
42-329-37299	TRILOGY OPERATING, INC.	Oil	41847
42-329-37300	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-37301	DE3 OPERATING LLC	Oil	41903
42-329-37302	PIONEER NATURAL RES. USA, INC.	Oil	22276
42-329-37303	COG OPERATING LLC	Oil	40039
42-329-37304	DISCOVERY OPERATING, INC.	Oil	37618
42-329-37305	PIONEER NATURAL RES. USA, INC.	Oil	22276
42-329-37306	DISCOVERY OPERATING, INC.	Oil	37618
42-329-37307	FASKEN OIL AND RANCH, LTD.	Oil	42344
42-329-37308	FASKEN OIL AND RANCH, LTD.	Oil	42344
42-329-37309	FASKEN OIL AND RANCH, LTD.	Oil	42344
42-329-37310	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-37311	FASKEN OIL AND RANCH, LTD.	Oil	41996
42-329-37312	FASKEN OIL AND RANCH, LTD.	Oil	41996
42-329-37313	FASKEN OIL AND RANCH, LTD.	Oil	41996
42-329-37314	FASKEN OIL AND RANCH, LTD.	Oil	41996
42-329-37315	FASKEN OIL AND RANCH, LTD.	Oil	41996
42-329-37316	FASKEN OIL AND RANCH, LTD.	Oil	41996
42-329-37317	FASKEN OIL AND RANCH, LTD.	Oil	41996
42-329-37318	FASKEN OIL AND RANCH, LTD.
42-329-37319	FASKEN OIL AND RANCH, LTD.
42-329-37320	FASKEN OIL AND RANCH, LTD.
42-329-37321	FASKEN OIL AND RANCH, LTD.
42-329-37322	FASKEN OIL AND RANCH, LTD.	Oil	41996
42-329-37323	FASKEN OIL AND RANCH, LTD.
42-329-37324	CROWNQUEST OPERATING, LLC	Oil	40091
42-329-37325	CROWNQUEST OPERATING, LLC	Oil	40091
42-329-37326	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-37327	FASKEN OIL AND RANCH, LTD.	Oil	41996
42-329-37328	FASKEN OIL AND RANCH, LTD.	Oil	41996
42-329-37329	FASKEN OIL AND RANCH, LTD.	Oil	41996
42-329-37330	FASKEN OIL AND RANCH, LTD.	Oil	41996
42-329-37331	FASKEN OIL AND RANCH, LTD.	Oil	41996
42-329-37332	FASKEN OIL AND RANCH, LTD.	Oil	41996
42-329-37333	FASKEN OIL AND RANCH, LTD.	Oil	41996
42-329-37334	FASKEN OIL AND RANCH, LTD.	Oil	41996
42-329-37335	PIONEER NATURAL RES. USA, INC.	Oil	34142
42-329-37336	PIONEER NATURAL RES. USA, INC.	Oil	31648
42-329-37337	PIONEER NATURAL RES. USA, INC.	Oil	42075
42-329-37338	FASKEN OIL AND RANCH, LTD.	Oil	41382
42-329-37339	Legacy Reserves Operating LP	Oil	40709
42-329-37340	PIONEER NATURAL RES. USA, INC.	Oil	30868
42-329-37341	PIONEER NATURAL RES. USA, INC.	Oil	42543
42-329-37342	Legacy Reserves Operating LP	Oil	38016
42-329-37343	Legacy Reserves Operating LP	Oil	36385
42-329-37344	FASKEN OIL AND RANCH, LTD.	Oil	41382
42-329-37345	FASKEN OIL AND RANCH, LTD.	Oil	41382
42-329-37346	FASKEN OIL AND RANCH, LTD.	Oil	41382
42-329-37347	FASKEN OIL AND RANCH, LTD.	Oil	41382
42-329-37348	FASKEN OIL AND RANCH, LTD.	Oil	41382
42-329-37349	FASKEN OIL AND RANCH, LTD.	Oil	41382
42-329-37350	FASKEN OIL AND RANCH, LTD.	Oil	41382
42-329-37351	COG OPERATING LLC	Oil	39575
42-329-37352	COG OPERATING LLC	Oil	38844
42-329-37353	COG OPERATING LLC	Oil	38844
42-329-37354	COG OPERATING LLC	Oil	38844
42-329-37355	COG OPERATING LLC	Oil	38844
42-329-37356	COG OPERATING LLC	Oil	38844
42-329-37357	COG OPERATING LLC	Oil	38844
42-329-37358	COG OPERATING LLC	Oil	38844
42-329-37359	COG OPERATING LLC	Oil	38844
42-329-37360	COG OPERATING LLC	Oil	38844
42-329-37361	COG OPERATING LLC	Oil	38844
42-329-37362	E.G.L. RESOURCES, INC.
42-329-37363	COG OPERATING LLC	Oil	38844
42-329-37364	COG OPERATING LLC	Oil	39584
42-329-37365	INDEPENDENCE RESOURCES MGMT, LLC	Oil	40080
42-329-37366	COG OPERATING LLC	Oil	39629
42-329-37367	INDEPENDENCE RESOURCES MGMT, LLC	Oil	41454
42-329-37368	CALLON PETROLEUM OPERATING CO	Oil	38675
42-329-37369	HENRY RESOURCES LLC	Oil	43229
42-329-37370	HENRY RESOURCES LLC	Oil	43174
42-329-37371	COG OPERATING LLC	Oil	39630
42-329-37372	FASKEN OIL AND RANCH, LTD.	Oil	42344
42-329-37373	PIONEER NATURAL RES. USA, INC.	Oil	37182
42-329-37374	PIONEER NATURAL RES. USA, INC.	Oil	06267
42-329-37375	XTO ENERGY INC.	Oil	44242
42-329-37376	BERRY OIL COMPANY
42-329-37377	PIONEER NATURAL RES. USA, INC.	Oil	41897
42-329-37378	INDEPENDENCE RESOURCES MGMT, LLC	Oil	40080
42-329-37379	ENDEAVOR ENERGY RESOURCES L.P.	Oil	16097
42-329-37380	DE3 OPERATING LLC	Oil	42430
42-329-37381	PIONEER NATURAL RES. USA, INC.	Oil	06451
42-329-37382	CALLON PETROLEUM OPERATING CO	Oil	41759
42-329-37383	CALLON PETROLEUM OPERATING CO	Oil	41759
42-329-37384	DIAMONDBACK E&P LLC	Oil	41340
42-329-37385	DIAMONDBACK E&P LLC	Oil	41340
42-329-37386	DIAMONDBACK E&P LLC	Oil	41340
42-329-37387	CHEVRON U. S. A. INC.	Oil	40383
42-329-37388	CHEVRON U. S. A. INC.	Oil	40383
42-329-37389	CHEVRON U. S. A. INC.	Oil	40383
42-329-37390	CHEVRON U. S. A. INC.	Oil	40383
42-329-37391	CHEVRON U. S. A. INC.	Oil	40383
42-329-37392	CHEVRON U. S. A. INC.	Oil	40383
42-329-37393	CHEVRON U. S. A. INC.	Oil	40383
42-329-37394	CHEVRON U. S. A. INC.	Oil	40383
42-329-37395	CHEVRON U. S. A. INC.	Oil	40383
42-329-37396	CHEVRON U. S. A. INC.	Oil	40383
42-329-37397	CHEVRON U. S. A. INC.	Oil	40383
42-329-37398	CHEVRON U. S. A. INC.	Oil	40383
42-329-37399	CHEVRON U. S. A. INC.	Oil	40383
42-329-37400	CHEVRON U. S. A. INC.	Oil	40383
42-329-37401	CHEVRON U. S. A. INC.	Oil	40383
42-329-37402	CHEVRON U. S. A. INC.	Oil	40383
42-329-37403	CHEVRON U. S. A. INC.	Oil	40383
42-329-37404	PIONEER NATURAL RES. USA, INC.	Oil	38051
42-329-37405	XTO ENERGY INC.	Oil	39040
42-329-37406	PIONEER NATURAL RES. USA, INC.	Oil	33437
42-329-37407	KEY ENERGY SERVICES, LLC
42-329-37408	PIONEER NATURAL RES. USA, INC.	Oil	37700
42-329-37409	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-37410	COG OPERATING LLC	Oil	41578
42-329-37411	OVINTIV USA INC.	Oil	42032
42-329-37412	COG OPERATING LLC	Oil	41578
42-329-37413	SUMMIT PETROLEUM LLC
42-329-37414	OVINTIV USA INC.	Oil	41938
42-329-37415	OVINTIV USA INC.	Oil	40840
42-329-37416	CALLON PETROLEUM OPERATING CO
42-329-37417	RSP PERMIAN, LLC
42-329-37418	PIONEER NATURAL RES. USA, INC.
42-329-37419	INDEPENDENCE RESOURCES MGMT, LLC	Oil	42192
42-329-37420	ENDEAVOR ENERGY RESOURCES L.P.	Oil	42605
42-329-37421	ENDEAVOR ENERGY RESOURCES L.P.	Oil	42605
42-329-37422
42-329-37423
42-329-37424	OXY USA WTP LP	Oil	34635
42-329-37425	OXY USA WTP LP	Oil	34635
42-329-37426	OXY USA WTP LP	Oil	34635
42-329-37427	OXY USA WTP LP	Oil	34635
42-329-37428	OXY USA WTP LP	Oil	34635
42-329-37429	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-37430	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-37431	ENDEAVOR ENERGY RESOURCES L.P.	Oil	16097
42-329-37432	DIAMONDBACK E&P LLC	Oil	41364
42-329-37433	Linn Operating, Inc.	Oil	39040
42-329-37434	Linn Operating, Inc.	Oil	39040
42-329-37435	ENDEAVOR ENERGY RESOURCES L.P.	Oil	06652
42-329-37436	ENDEAVOR ENERGY RESOURCES L.P.	Oil	06652
42-329-37437	OVINTIV USA INC.	Oil	39910
42-329-37438	OVINTIV USA INC.	Oil	35360
42-329-37439	DIAMONDBACK E&P LLC	Oil	40642
42-329-37440	CALLON PETROLEUM OPERATING CO	Oil	41759
42-329-37441	CALLON PETROLEUM OPERATING CO	Oil	41759
42-329-37442	DIAMONDBACK E&P LLC	Oil	41340
42-329-37443	DIAMONDBACK E&P LLC	Oil	41340
42-329-37444	DIAMONDBACK E&P LLC	Oil	41340
42-329-37445	XTO ENERGY INC.	Oil	39788
42-329-37446	Legacy Reserves Operating LP	Oil	37841
42-329-37447	Legacy Reserves Operating LP	Oil	37841
42-329-37448	COG OPERATING LLC	Oil	39583
42-329-37449	COG OPERATING LLC	Oil	39583
42-329-37450	COG OPERATING LLC	Oil	39630
42-329-37451	COG OPERATING LLC
42-329-37452	COG OPERATING LLC	Oil	41934
42-329-37453	DIAMONDBACK E&P LLC	Oil	42007
42-329-37454	COG OPERATING LLC	Oil	39627
42-329-37455	COG OPERATING LLC	Oil	39630
42-329-37456	COG OPERATING LLC	Oil	39630
42-329-37457	XTO ENERGY INC.	Oil	39788
42-329-37458	DIAMONDBACK E&P LLC	Oil	41364
42-329-37459	DIAMONDBACK E&P LLC	Oil	41364
42-329-37460	CHEVRON U. S. A. INC.	Oil	42704
42-329-37461	CHEVRON U. S. A. INC.	Oil	42704
42-329-37462	CHEVRON U. S. A. INC.	Oil	42704
42-329-37463	CHEVRON U. S. A. INC.	Oil	42704
42-329-37464	CHEVRON U. S. A. INC.	Oil	42704
42-329-37465	CHEVRON U. S. A. INC.	Oil	42704
42-329-37466	CHEVRON U. S. A. INC.	Oil	42704
42-329-37467	CHEVRON U. S. A. INC.	Oil	42704
42-329-37468	DIAMONDBACK E&P LLC
42-329-37469	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36306
42-329-37470	OCCIDENTAL PERMIAN LTD.	Oil	40691
42-329-37471	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36159
42-329-37472	OVINTIV USA INC.	Oil	35482
42-329-37473	DIAMONDBACK E&P LLC	Oil	42007
42-329-37474	CHEVRON U. S. A. INC.	Oil	40940
42-329-37475	CHEVRON U. S. A. INC.	Oil	40940
42-329-37476	CHEVRON U. S. A. INC.	Oil	40940
42-329-37477	MIDENERGY OPERATING, LLC
42-329-37478	PIONEER NATURAL RES. USA, INC.	Oil	33406
42-329-37479	PARSLEY ENERGY OPERATIONS, LLC
42-329-37480	CHEVRON U. S. A. INC.	Oil	42704
42-329-37481	CHEVRON U. S. A. INC.	Oil	42704
42-329-37482	CHEVRON U. S. A. INC.	Oil	42704
42-329-37483	CHEVRON U. S. A. INC.	Oil	42704
42-329-37484	CHEVRON U. S. A. INC.
42-329-37485	CHEVRON U. S. A. INC.	Oil	42704
42-329-37486	CHEVRON U. S. A. INC.	Oil	42704
42-329-37487	HENRY RESOURCES LLC	Oil	39227
42-329-37488	HENRY RESOURCES LLC	Oil	39227
42-329-37489	CALLON PETROLEUM OPERATING CO
42-329-37490	OXY USA WTP LP	Oil	34635
42-329-37491	CHEVRON U. S. A. INC.	Oil	42704
42-329-37492	OXY USA WTP LP	Oil	34635
42-329-37493	COG OPERATING LLC	Oil	41934
42-329-37494	MID-STATES OPERATING COMPANY	Oil	39220
42-329-37495	MID-STATES OPERATING COMPANY	Oil	39220
42-329-37496	HENRY RESOURCES LLC	Oil	39969
42-329-37497	MID-STATES OPERATING COMPANY	Oil	39220
42-329-37498	INDEPENDENCE RESOURCES MGMT, LLC	Oil	40080
42-329-37499	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36784
42-329-37500	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36784
42-329-37501	XTO ENERGY INC.	Oil	42161
42-329-37502	PIONEER NATURAL RES. USA, INC.	Oil	41841
42-329-37503	PIONEER NATURAL RES. USA, INC.	Oil	41841
42-329-37504	PIONEER NATURAL RES. USA, INC.
42-329-37505	ENDEAVOR ENERGY RESOURCES L.P.	Oil	42327
42-329-37506	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-37507	COG OPERATING LLC	Oil	41025
42-329-37508	COG OPERATING LLC	Oil	41025
42-329-37509	COG OPERATING LLC	Oil	41025
42-329-37510	COG OPERATING LLC	Oil	41025
42-329-37511	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-37512	PIONEER NATURAL RES. USA, INC.
42-329-37513	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-37514	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-37515	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-37516	CALLON PETROLEUM OPERATING CO	Oil	41759
42-329-37517
42-329-37518	CHEVRON U. S. A. INC.	Oil	42676
42-329-37519	CHEVRON U. S. A. INC.	Oil	42676
42-329-37520	CHEVRON U. S. A. INC.	Oil	42676
42-329-37521	CHEVRON U. S. A. INC.	Oil	42676
42-329-37522	CHEVRON U. S. A. INC.	Oil	42676
42-329-37523	CHEVRON U. S. A. INC.	Oil	42676
42-329-37524	CHEVRON U. S. A. INC.	Oil	42676
42-329-37525	CHEVRON U. S. A. INC.	Oil	42676
42-329-37526	XTO ENERGY INC.	Oil	39040
42-329-37527	DIAMONDBACK E&P LLC	Oil	43016
42-329-37528	DIAMONDBACK E&P LLC	Oil	43016
42-329-37529	DIAMONDBACK E&P LLC	Oil	43016
42-329-37530	DIAMONDBACK E&P LLC	Oil	43016
42-329-37531	DIAMONDBACK E&P LLC	Oil	43016
42-329-37532	DIAMONDBACK E&P LLC	Oil	43016
42-329-37533	PIONEER NATURAL RES. USA, INC.	Oil	41548
42-329-37534	PIONEER NATURAL RES. USA, INC.	Oil	41548
42-329-37535	PIONEER NATURAL RES. USA, INC.	Oil	41548
42-329-37536	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-37537	COG OPERATING LLC	Oil	38829
42-329-37538	PIONEER NATURAL RES. USA, INC.	Oil	41190
42-329-37539	INDEPENDENCE RESOURCES MGMT, LLC	Oil	40748
42-329-37540	CHEVRON U. S. A. INC.	Oil	42676
42-329-37541	CHEVRON U. S. A. INC.	Oil	42676
42-329-37542	CHEVRON U. S. A. INC.	Oil	42676
42-329-37543	CHEVRON U. S. A. INC.	Oil	42676
42-329-37544	CHEVRON U. S. A. INC.	Oil	42676
42-329-37545	CHEVRON U. S. A. INC.	Oil	42676
42-329-37546	CHEVRON U. S. A. INC.	Oil	42676
42-329-37547	CHEVRON U. S. A. INC.	Oil	42676
42-329-37548	INDEPENDENCE RESOURCES MGMT, LLC	Oil	41932
42-329-37549	DISCOVERY OPERATING, INC.	Oil	36874
42-329-37551	ENDEAVOR ENERGY RESOURCES L.P.	Oil	42329
42-329-37552	ENDEAVOR ENERGY RESOURCES L.P.	Oil	42654
42-329-37553	ENDEAVOR ENERGY RESOURCES L.P.	Oil	42499
42-329-37554	ENDEAVOR ENERGY RESOURCES L.P.	Oil	42499
42-329-37555	PIONEER NATURAL RES. USA, INC.	Oil	38326
42-329-37556	PIONEER NATURAL RES. USA, INC.	Oil	38326
42-329-37557	PIONEER NATURAL RES. USA, INC.	Oil	38326
42-329-37558	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-37559	RSP PERMIAN, LLC	Oil	41934
42-329-37560	PIONEER NATURAL RES. USA, INC.	Oil	22276
42-329-37561	PIONEER NATURAL RES. USA, INC.	Oil	22276
42-329-37562	Legacy Reserves Operating LP	Oil	38412
42-329-37563	Legacy Reserves Operating LP	Oil	38412
42-329-37564	FASKEN OIL AND RANCH, LTD.	Oil	41497
42-329-37565	FASKEN OIL AND RANCH, LTD.	Oil	41497
42-329-37566	FASKEN OIL AND RANCH, LTD.	Oil	41497
42-329-37567	FASKEN OIL AND RANCH, LTD.	Oil	41497
42-329-37568	FASKEN OIL AND RANCH, LTD.	Oil	41497
42-329-37569	FASKEN OIL AND RANCH, LTD.	Oil	41497
42-329-37570	FASKEN OIL AND RANCH, LTD.	Oil	41497
42-329-37571	FASKEN OIL AND RANCH, LTD.	Oil	41497
42-329-37572	FASKEN OIL AND RANCH, LTD.	Oil	41497
42-329-37573	FASKEN OIL AND RANCH, LTD.	Oil	41497
42-329-37574	FASKEN OIL AND RANCH, LTD.	Oil	41497
42-329-37575	FASKEN OIL AND RANCH, LTD.	Oil	41497
42-329-37576	FASKEN OIL AND RANCH, LTD.	Oil	41497
42-329-37577	FASKEN OIL AND RANCH, LTD.	Oil	41497
42-329-37578	DE3 OPERATING LLC	Oil	42577
42-329-37579	ENDEAVOR ENERGY RESOURCES L.P.	Oil	28534
42-329-37580	PIONEER NATURAL RES. USA, INC.	Oil	38051
42-329-37581	OVINTIV USA INC.	Oil	39894
42-329-37582	OVINTIV USA INC.	Oil	35439
42-329-37583	DE3 OPERATING LLC	Oil	32217
42-329-37584	Legacy Reserves Operating LP	Oil	36385
42-329-37585	XTO ENERGY INC.	Oil	39040
42-329-37586	XTO ENERGY INC.	Oil	39040
42-329-37587	PETROPLEX ENERGY INC.	Oil	42620
42-329-37588	XTO ENERGY INC.	Oil	39040
42-329-37589	DISCOVERY OPERATING, INC.	Oil	36652
42-329-37590	OVINTIV USA INC.	Oil	35769
42-329-37591	WINDSOR PERMIAN LLC
42-329-37592	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-37593	DIAMONDBACK E&P LLC	Oil	40653
42-329-37594	RSP PERMIAN, LLC
42-329-37595	RSP PERMIAN, LLC
42-329-37596	COG OPERATING LLC	Oil	39583
42-329-37597	OXY USA WTP LP	Oil	34635
42-329-37598	OXY USA WTP LP	Oil	34635
42-329-37599	OXY USA WTP LP	Oil	34635
42-329-37600
42-329-37601
42-329-37602	PIONEER NATURAL RES. USA, INC.	Oil	06451
42-329-37603	PIONEER NATURAL RES. USA, INC.	Oil	06451
42-329-37604	PIONEER NATURAL RES. USA, INC.	Oil	28564
42-329-37605	COG OPERATING LLC	Oil	39576
42-329-37606	XOG OPERATING LLC	Oil	44664
42-329-37607	OVINTIV USA INC.	Oil	39888
42-329-37608	PIONEER NATURAL RES. USA, INC.
42-329-37609	PIONEER NATURAL RES. USA, INC.
42-329-37610	OXY USA WTP LP	Oil	34635
42-329-37611	OXY USA WTP LP	Oil	34635
42-329-37612	OXY USA WTP LP	Oil	34635
42-329-37613	OXY USA WTP LP	Oil	34635
42-329-37614	OXY USA WTP LP	Oil	34635
42-329-37615	OXY USA WTP LP	Oil	34635
42-329-37616	OXY USA WTP LP	Oil	34635
42-329-37617	OXY USA WTP LP	Oil	34635
42-329-37618	OXY USA WTP LP	Oil	34635
42-329-37619	OXY USA WTP LP	Oil	34635
42-329-37620	OXY USA WTP LP	Oil	34635
42-329-37621	PIONEER NATURAL RES. USA, INC.	Oil	34888
42-329-37622	PIONEER NATURAL RES. USA, INC.	Oil	32529
42-329-37623	DE3 OPERATING LLC	Oil	41924
42-329-37624	PIONEER NATURAL RES. USA, INC.	Oil	38505
42-329-37625	PIONEER NATURAL RES. USA, INC.	Oil	38505
42-329-37626	PIONEER NATURAL RES. USA, INC.	Oil	38505
42-329-37627	PIONEER NATURAL RES. USA, INC.	Oil	38494
42-329-37628	ENDEAVOR ENERGY RESOURCES L.P.	Oil	23520
42-329-37629	INDEPENDENCE RESOURCES MGMT, LLC	Oil	41952
42-329-37630	XTO ENERGY INC.	Oil	39040
42-329-37631	COG OPERATING LLC	Oil	41440
42-329-37632	COG OPERATING LLC	Oil	41440
42-329-37633	DIAMONDBACK E&P LLC	Oil	40642
42-329-37634	XTO ENERGY INC.	Oil	39040
42-329-37635	OVINTIV USA INC.	Oil	39890
42-329-37636	PIONEER NATURAL RES. USA, INC.
42-329-37637	XTO ENERGY INC.	Oil	32295
42-329-37638	XTO ENERGY INC.	Oil	32295
42-329-37639	RSP PERMIAN, LLC
42-329-37640	PIONEER NATURAL RES. USA, INC.
42-329-37641	PIONEER NATURAL RES. USA, INC.	Oil	34451
42-329-37642	OVINTIV USA INC.	Oil	35663
42-329-37643	PIONEER NATURAL RES. USA, INC.	Oil	34855
42-329-37644	PIONEER NATURAL RES. USA, INC.	Oil	38764
42-329-37645	OVINTIV USA INC.	Oil	39909
42-329-37646	PIONEER NATURAL RES. USA, INC.
42-329-37647	CALLON PETROLEUM OPERATING CO	Oil	42365
42-329-37648	PIONEER NATURAL RES. USA, INC.
42-329-37649	PIONEER NATURAL RES. USA, INC.	Oil	34457
42-329-37650	CALLON PETROLEUM OPERATING CO	Oil	38816
42-329-37651	PIONEER NATURAL RES. USA, INC.	Oil	38554
42-329-37652	CALLON PETROLEUM OPERATING CO	Oil	43034
42-329-37653	CALLON PETROLEUM OPERATING CO	Oil	38816
42-329-37654	CALLON PETROLEUM OPERATING CO	Oil	38816
42-329-37655	DIAMONDBACK E&P LLC	Oil	42007
42-329-37656	DIAMONDBACK E&P LLC	Oil	42007
42-329-37657	Basic Energy Services, L.P.	Oil	42705
42-329-37658	CALLON PETROLEUM OPERATING CO	Oil	42365
42-329-37659	OVINTIV USA INC.	Oil	39895
42-329-37660	OVINTIV USA INC.	Oil	39892
42-329-37661	PIONEER NATURAL RES. USA, INC.
42-329-37662	CALLON PETROLEUM OPERATING CO	Oil	38816
42-329-37663	PIONEER NATURAL RES. USA, INC.	Oil	37708
42-329-37664	COG OPERATING LLC	Oil	38844
42-329-37665	PIONEER NATURAL RES. USA, INC.	Oil	37708
42-329-37666	COG OPERATING LLC	Oil	38844
42-329-37667	COG OPERATING LLC	Oil	39628
42-329-37668	PIONEER NATURAL RES. USA, INC.	Oil	37667
42-329-37669	PDC ENERGY
42-329-37670	COG OPERATING LLC	Oil	41430
42-329-37671	COG OPERATING LLC	Oil	38844
42-329-37672	COG OPERATING LLC	Oil	39630
42-329-37673	COG OPERATING LLC	Oil	39576
42-329-37674	MCM OPERATING, LLC	Oil	44292
42-329-37675	COG OPERATING LLC	Oil	39585
42-329-37676	PIONEER NATURAL RES. USA, INC.	Oil	38703
42-329-37677	PIONEER NATURAL RES. USA, INC.	Oil	38505
42-329-37678	FASKEN OIL AND RANCH, LTD.	Oil	41192
42-329-37679	FASKEN OIL AND RANCH, LTD.	Oil	41192
42-329-37680	FASKEN OIL AND RANCH, LTD.	Oil	41192
42-329-37681	COG OPERATING LLC	Oil	38844
42-329-37682	PIONEER NATURAL RES. USA, INC.	Oil	37667
42-329-37683	PIONEER NATURAL RES. USA, INC.	Oil	37667
42-329-37684	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-37685	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-37686	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-37687	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-37688	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-37689	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-37690	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-37691	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-37692	PIONEER NATURAL RES. USA, INC.	Oil	34451
42-329-37693	CALLON PETROLEUM OPERATING CO	Oil	41579
42-329-37694	PARSLEY ENERGY OPERATIONS, LLC
42-329-37695	COG OPERATING LLC	Oil	41430
42-329-37696	RSP PERMIAN, LLC
42-329-37697	RSP PERMIAN, LLC
42-329-37698	FASKEN OIL AND RANCH, LTD.	Oil	41192
42-329-37699	FASKEN OIL AND RANCH, LTD.	Oil	41192
42-329-37700	FASKEN OIL AND RANCH, LTD.	Oil	41192
42-329-37701	FASKEN OIL AND RANCH, LTD.	Oil	41192
42-329-37702	FASKEN OIL AND RANCH, LTD.	Oil	41192
42-329-37703	PIONEER NATURAL RES. USA, INC.	Oil	31646
42-329-37704	PARSLEY ENERGY OPERATIONS, LLC	Oil	23452
42-329-37705	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36611
42-329-37706	PIONEER NATURAL RES. USA, INC.	Oil	37689
42-329-37707	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-37708	PIONEER NATURAL RES. USA, INC.	Oil	28564
42-329-37709	FASKEN OIL AND RANCH, LTD.	Oil	41192
42-329-37710	FASKEN OIL AND RANCH, LTD.	Oil	41192
42-329-37711	FASKEN OIL AND RANCH, LTD.	Oil	41192
42-329-37712	FASKEN OIL AND RANCH, LTD.	Oil	41192
42-329-37713	FASKEN OIL AND RANCH, LTD.	Oil	41192
42-329-37714	FASKEN OIL AND RANCH, LTD.	Oil	41192
42-329-37715	MCM OPERATING, LLC	Oil	44292
42-329-37716	RSP PERMIAN, LLC
42-329-37717	PIONEER NATURAL RES. USA, INC.	Oil	38018
42-329-37718	Naumann Oil & Gas, Inc.	Oil	41387
42-329-37719	OCCIDENTAL PERMIAN LTD.	Oil	40691
42-329-37720	INDEPENDENCE RESOURCES MGMT, LLC	Oil	42192
42-329-37721	OCCIDENTAL PERMIAN LTD.	Oil	40691
42-329-37724	SUMMIT PETROLEUM LLC	Oil	37392
42-329-37725	SUMMIT PETROLEUM LLC	Oil	37392
42-329-37726	INDEPENDENCE RESOURCES MGMT, LLC	Oil	40080
42-329-37727	CHEVRON U. S. A. INC.	Oil	40383
42-329-37728	CHEVRON U. S. A. INC.	Oil	40383
42-329-37729	CHEVRON U. S. A. INC.	Oil	40383
42-329-37730	CHEVRON U. S. A. INC.	Oil	40383
42-329-37731	XTO ENERGY INC.	Oil	32336
42-329-37732	PIONEER NATURAL RES. USA, INC.	Oil	31646
42-329-37733	XTO ENERGY INC.	Oil	33404
42-329-37734	XTO ENERGY INC.	Oil	33404
42-329-37735	PIONEER NATURAL RES. USA, INC.	Oil	26810
42-329-37736	RSP PERMIAN, LLC
42-329-37737	RSP PERMIAN, LLC
42-329-37738	RSP PERMIAN, LLC
42-329-37739	COG OPERATING LLC	Oil	40039
42-329-37740	CHEVRON U. S. A. INC.	Oil	40383
42-329-37741	DIAMONDBACK E&P LLC	Oil	41364
42-329-37742	COG OPERATING LLC	Oil	39580
42-329-37743	COG OPERATING LLC	Oil	39627
42-329-37744	COG OPERATING LLC	Oil	39581
42-329-37745	COG OPERATING LLC	Oil	43365
42-329-37746	COG OPERATING LLC	Oil	39583
42-329-37747	COG OPERATING LLC	Oil	39630
42-329-37748	COG OPERATING LLC	Oil	38844
42-329-37749	COG OPERATING LLC	Oil	39583
42-329-37750	COG OPERATING LLC	Oil	39583
42-329-37751	MCM OPERATING, LLC	Oil	44292
42-329-37752	XTO ENERGY INC.	Oil	41352
42-329-37753	COG OPERATING LLC	Oil	39630
42-329-37754	OVINTIV USA INC.	Oil	40470
42-329-37755	OVINTIV USA INC.	Oil	40470
42-329-37756	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-37757	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-37758	CAZA OPERATING, LLC
42-329-37759	XTO ENERGY INC.	Oil	39040
42-329-37760	DE3 OPERATING LLC	Oil	43235
42-329-37761	DE3 OPERATING LLC	Oil	43235
42-329-37762	DIAMONDBACK E&P LLC	Oil	41340
42-329-37763	ENDEAVOR ENERGY RESOURCES L.P.	Oil	34322
42-329-37764	ENDEAVOR ENERGY RESOURCES L.P.	Oil	38869
42-329-37765	XTO ENERGY INC.	Oil	32336
42-329-37766	FASKEN OIL AND RANCH, LTD.	Oil	42344
42-329-37767	FASKEN OIL AND RANCH, LTD.	Oil	42344
42-329-37768	FASKEN OIL AND RANCH, LTD.	Oil	42344
42-329-37769	FASKEN OIL AND RANCH, LTD.	Oil	42344
42-329-37770	DE3 OPERATING LLC	Oil	43235
42-329-37771	PIONEER NATURAL RES. USA, INC.
42-329-37772	PIONEER NATURAL RES. USA, INC.
42-329-37773	CALLON PETROLEUM OPERATING CO	Oil	42365
42-329-37774	DIAMONDBACK E&P LLC	Oil	41340
42-329-37775	CALLON PETROLEUM OPERATING CO	Oil	42656
42-329-37776	COG OPERATING LLC	Oil	41578
42-329-37777	COG OPERATING LLC	Oil	41578
42-329-37778	RSP PERMIAN, LLC
42-329-37779	BERRY OIL COMP.
42-329-37780	PIONEER NATURAL RES. USA, INC.	Oil	31534
42-329-37781	PIONEER NATURAL RES. USA, INC.	Oil	22415
42-329-37782	PIONEER NATURAL RES. USA, INC.	Oil	33468
42-329-37783	PIONEER NATURAL RES. USA, INC.	Oil	33034
42-329-37784	FASKEN OIL AND RANCH, LTD.	Oil	41192
42-329-37785	FASKEN OIL AND RANCH, LTD.	Oil	41192
42-329-37786	HENRY RESOURCES LLC	Oil	39969
42-329-37787	FASKEN OIL AND RANCH, LTD.	Oil	41192
42-329-37788	FASKEN OIL AND RANCH, LTD.	Oil	41192
42-329-37789	FASKEN OIL AND RANCH, LTD.	Oil	41192
42-329-37790	FASKEN OIL AND RANCH, LTD.	Oil	41192
42-329-37791	FASKEN OIL AND RANCH, LTD.	Oil	41192
42-329-37792	FASKEN OIL AND RANCH, LTD.	Oil	41192
42-329-37793	FASKEN OIL AND RANCH, LTD.	Oil	41192
42-329-37795	FASKEN OIL AND RANCH, LTD.	Oil	41192
42-329-37796	FASKEN OIL AND RANCH, LTD.	Oil	41192
42-329-37797	COG OPERATING LLC	Oil	41704
42-329-37798	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-37799	PIONEER NATURAL RES. USA, INC.	Oil	06390
42-329-37800	FASKEN OIL AND RANCH, LTD.	Oil	41192
42-329-37801	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-37802	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-37803	PIONEER NATURAL RES. USA, INC.
42-329-37804	DE3 OPERATING LLC	Oil	43618
42-329-37805	DE3 OPERATING LLC	Oil	43618
42-329-37806	DE3 OPERATING LLC	Oil	43618
42-329-37807	CALLON PETROLEUM OPERATING CO
42-329-37808	DE3 OPERATING LLC	Oil	41924
42-329-37809	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-37810	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-37811	FASKEN OIL AND RANCH, LTD.	Oil	41996
42-329-37812	FASKEN OIL AND RANCH, LTD.	Oil	41996
42-329-37813	FASKEN OIL AND RANCH, LTD.	Oil	41996
42-329-37814	Linn Operating, Inc.
42-329-37815	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-37816	COG OPERATING LLC	Oil	40039
42-329-37817	PIONEER NATURAL RES. USA, INC.	Oil	33011
42-329-37818	PIONEER NATURAL RES. USA, INC.	Oil	32656
42-329-37819	FASKEN OIL AND RANCH, LTD.	Oil	41996
42-329-37820	FASKEN OIL AND RANCH, LTD.	Oil	41996
42-329-37821	FASKEN OIL AND RANCH, LTD.	Oil	41996
42-329-37822	THREE RIVERS OPERATING CO LLC
42-329-37823	THREE RIVERS OPERATING CO LLC
42-329-37824	THREE RIVERS OPERATING CO LLC
42-329-37825	THREE RIVERS OPERATING CO LLC
42-329-37826	FASKEN OIL AND RANCH, LTD.	Oil	41996
42-329-37827	BERRY OIL COMP.
42-329-37828	FASKEN OIL AND RANCH, LTD.	Oil	41192
42-329-37829	DE3 OPERATING LLC	Oil	41191
42-329-37830	FASKEN OIL AND RANCH, LTD.	Oil	41996
42-329-37831	BERRY OIL COMP.
42-329-37832	XTO ENERGY INC.	Oil	32295
42-329-37833	XTO ENERGY INC.	Oil	32295
42-329-37834	XTO ENERGY INC.	Oil	32295
42-329-37835	COG OPERATING LLC	Oil	39585
42-329-37836	BLUESTEM ENERGY HOLDINGS, LLC
42-329-37837	BLUESTEM ENERGY HOLDINGS, LLC
42-329-37838	PIONEER NATURAL RES. USA, INC.	Oil	33011
42-329-37839	Linn Operating, Inc.	Oil	39040
42-329-37840	PIONEER NATURAL RES. USA, INC.
42-329-37841	BERRY OIL COMP.
42-329-37842	BERRY OIL COMP.
42-329-37843	BERRY OIL COMP.
42-329-37844	BERRY OIL COMP.
42-329-37845	XTO ENERGY INC.	Oil	32336
42-329-37846
42-329-37847	PIONEER NATURAL RES. USA, INC.	Oil	31227
42-329-37848	Linn Operating, Inc.
42-329-37849	PIONEER NATURAL RES. USA, INC.
42-329-37850	PIONEER NATURAL RES. USA, INC.
42-329-37851	XTO ENERGY INC.	Oil	32336
42-329-37852	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-37853	PIONEER NATURAL RES. USA, INC.	Oil	37844
42-329-37854	ENDEAVOR ENERGY RESOURCES L.P.	Oil	39198
42-329-37855	ENDEAVOR ENERGY RESOURCES L.P.	Oil	38435
42-329-37856	INDEPENDENCE RESOURCES MGMT, LLC	Oil	40265
42-329-37857	PIONEER NATURAL RES. USA, INC.	Oil	41841
42-329-37858	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-37859	INDEPENDENCE RESOURCES MGMT, LLC	Oil	40080
42-329-37860	INDEPENDENCE RESOURCES MGMT, LLC	Oil	40265
42-329-37861	OVINTIV USA INC.	Oil	41938
42-329-37862	OVINTIV USA INC.	Oil	41938
42-329-37863	OVINTIV USA INC.	Oil	40840
42-329-37864	Legacy Reserves Operating LP	Oil	42582
42-329-37865	COG OPERATING LLC	Oil	39627
42-329-37866	XTO ENERGY INC.	Oil	40191
42-329-37867	XTO ENERGY INC.	Oil	39040
42-329-37868	OVINTIV USA INC.	Oil	39893
42-329-37869	PARSLEY ENERGY OPERATIONS, LLC	Oil	17784
42-329-37870	PARSLEY ENERGY OPERATIONS, LLC	Oil	17784
42-329-37871	PARSLEY ENERGY OPERATIONS, LLC	Oil	17784
42-329-37872	PIONEER NATURAL RES. USA, INC.	Oil	21240
42-329-37873	THREE RIVERS OPERATING CO LLC
42-329-37874	THREE RIVERS OPERATING CO LLC
42-329-37875	COG OPERATING LLC	Oil	39630
42-329-37876	COG OPERATING LLC	Oil	39630
42-329-37877	PIONEER NATURAL RES. USA, INC.	Oil	35411
42-329-37878	RSP PERMIAN, LLC
42-329-37879	RSP PERMIAN, LLC
42-329-37880	COG OPERATING LLC	Oil	39630
42-329-37881	COG OPERATING LLC	Oil	39630
42-329-37882	COG OPERATING LLC	Oil	39585
42-329-37883	PIONEER NATURAL RES. USA, INC.	Oil	44886
42-329-37884	PIONEER NATURAL RES. USA, INC.
42-329-37885	OVINTIV USA INC.	Oil	42032
42-329-37886	DISCOVERY OPERATING, INC.	Oil	37623
42-329-37887	OVINTIV USA INC.	Oil	35037
42-329-37888	FASKEN OIL AND RANCH, LTD.	Oil	41382
42-329-37889	FASKEN OIL AND RANCH, LTD.	Oil	41382
42-329-37890	FASKEN OIL AND RANCH, LTD.	Oil	41382
42-329-37891	FASKEN OIL AND RANCH, LTD.	Oil	41382
42-329-37892	FASKEN OIL AND RANCH, LTD.	Oil	41382
42-329-37893	FASKEN OIL AND RANCH, LTD.	Oil	41382
42-329-37894	FASKEN OIL AND RANCH, LTD.	Oil	41382
42-329-37895	FASKEN OIL AND RANCH, LTD.	Oil	41382
42-329-37896	ENDEAVOR ENERGY RESOURCES L.P.	Oil	25835
42-329-37897	COG OPERATING LLC	Oil	39630
42-329-37898	ENDEAVOR ENERGY RESOURCES L.P.	Oil	26349
42-329-37899	ENDEAVOR ENERGY RESOURCES L.P.	Oil	26349
42-329-37900	PIONEER NATURAL RES. USA, INC.
42-329-37901	OVINTIV USA INC.	Oil	39915
42-329-37902	PIONEER NATURAL RES. USA, INC.	Oil	06451
42-329-37903	DISCOVERY OPERATING, INC.	Oil	36457
42-329-37904	XTO ENERGY INC.	Oil	40191
42-329-37905	CALLON PETROLEUM OPERATING CO	Oil	38807
42-329-37906	Linn Operating, Inc.	Oil	39040
42-329-37907	COG OPERATING LLC	Oil	17154
42-329-37908	CROWNQUEST OPERATING, LLC	Oil	40091
42-329-37909	CROWNQUEST OPERATING, LLC	Oil	43716
42-329-37910	ENDEAVOR ENERGY RESOURCES L.P.	Oil	43442
42-329-37911	DIAMONDBACK E&P LLC	Oil	40642
42-329-37912	BLUESTEM ENERGY HOLDINGS, LLC
42-329-37913	DIAMONDBACK E&P LLC	Oil	43016
42-329-37914	DE3 OPERATING LLC	Oil	41489
42-329-37915	DE3 OPERATING LLC	Oil	31881
42-329-37916	INDEPENDENCE RESOURCES MGMT, LLC	Oil	42192
42-329-37917	PIONEER NATURAL RES. USA, INC.	Oil	42789
42-329-37918	Linn Operating, Inc.	Oil	39040
42-329-37919	INDEPENDENCE RESOURCES MGMT, LLC	Oil	42192
42-329-37920	PIONEER NATURAL RES. USA, INC.
42-329-37921	COG OPERATING LLC	Oil	17145
42-329-37922	COG OPERATING LLC	Oil	17183
42-329-37923	COG OPERATING LLC	Oil	17144
42-329-37924	PIONEER NATURAL RES. USA, INC.
42-329-37925	PIONEER NATURAL RES. USA, INC.
42-329-37926	XTO ENERGY INC.	Oil	40191
42-329-37927	OVINTIV USA INC.	Oil	39891
42-329-37928	PIONEER NATURAL RES. USA, INC.	Oil	35411
42-329-37929	OVINTIV USA INC.	Oil	39922
42-329-37930	ENDEAVOR ENERGY RESOURCES L.P.	Oil	42830
42-329-37931	DIAMONDBACK E&P LLC	Oil	40653
42-329-37932	PILOT WATER SOLUTIONS PERMIANLLC	Oil	42651
42-329-37933	DIAMONDBACK E&P LLC	Oil	39560
42-329-37934	INDEPENDENCE RESOURCES MGMT, LLC	Oil	41454
42-329-37935	INDEPENDENCE RESOURCES MGMT, LLC	Oil	41454
42-329-37936	INDEPENDENCE RESOURCES MGMT, LLC	Oil	41454
42-329-37937	RSP PERMIAN, LLC
42-329-37938	ENDEAVOR ENERGY RESOURCES L.P.	Oil	40030
42-329-37939	ENDEAVOR ENERGY RESOURCES L.P.	Oil	42493
42-329-37940	COG OPERATING LLC	Oil	17154
42-329-37941	PIONEER NATURAL RES. USA, INC.	Oil	31698
42-329-37942	OVINTIV USA INC.	Oil	52800
42-329-37943	ON POINT OILFIELD OPERATIONS LLC	Oil	42046
42-329-37944	OVINTIV USA INC.	Oil	41938
42-329-37945	OVINTIV USA INC.	Oil	52800
42-329-37947	INDEPENDENCE RESOURCES MGMT, LLC	Oil	38763
42-329-37948	INDEPENDENCE RESOURCES MGMT, LLC	Oil	38763
42-329-37949	OXY USA WTP LP	Oil	34635
42-329-37950	OXY USA WTP LP	Oil	34635
42-329-37951	OXY USA WTP LP	Oil	34635
42-329-37952	XTO ENERGY INC.	Oil	39754
42-329-37953	INDEPENDENCE RESOURCES MGMT, LLC	Oil	38763
42-329-37954	OVINTIV USA INC.	Oil	39897
42-329-37955	OVINTIV USA INC.	Oil	39919
42-329-37956	PIONEER NATURAL RES. USA, INC.	Oil	32875
42-329-37957	COG OPERATING LLC	Oil	38844
42-329-37958	COG OPERATING LLC	Oil	38844
42-329-37959	E.G.L. RESOURCES, INC.
42-329-37960	COG OPERATING LLC	Oil	38844
42-329-37961	COG OPERATING LLC	Oil	38844
42-329-37962	COG OPERATING LLC	Oil	38844
42-329-37963	PIONEER NATURAL RES. USA, INC.	Oil	06451
42-329-37964	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36506
42-329-37965	PIONEER NATURAL RES. USA, INC.	Oil	41841
42-329-37966	PIONEER NATURAL RES. USA, INC.	Oil	41841
42-329-37967	DIAMONDBACK E&P LLC	Oil	40653
42-329-37968	DIAMONDBACK E&P LLC	Oil	43016
42-329-37969	PIONEER NATURAL RES. USA, INC.	Oil	22276
42-329-37970	COG OPERATING LLC	Oil	38844
42-329-37971	COG OPERATING LLC	Oil	38844
42-329-37972	COG OPERATING LLC	Oil	38844
42-329-37973	COG OPERATING LLC	Oil	38844
42-329-37974	SUMMIT PETROLEUM LLC
42-329-37975	COG OPERATING LLC	Oil	17154
42-329-37976	OVINTIV USA INC.	Oil	39920
42-329-37977	XTO ENERGY INC.	Oil	40191
42-329-37978	DE3 OPERATING LLC	Oil	31955
42-329-37979	PIONEER NATURAL RES. USA, INC.
42-329-37980	PIONEER NATURAL RES. USA, INC.
42-329-37981	PIONEER NATURAL RES. USA, INC.	Oil	38236
42-329-37982	INDEPENDENCE RESOURCES MGMT, LLC	Oil	40265
42-329-37983	CHEVRON U. S. A. INC.	Oil	43259
42-329-37984	COG OPERATING LLC	Oil	17150
42-329-37985	DIAMONDBACK E&P LLC	Oil	39560
42-329-37986	DIAMONDBACK E&P LLC	Oil	40653
42-329-37987	OXY USA WTP LP	Oil	34635
42-329-37988	CHEVRON U. S. A. INC.	Oil	44260
42-329-37989	OXY USA WTP LP	Oil	34635
42-329-37990	OXY USA WTP LP	Oil	34635
42-329-37991	OXY USA WTP LP	Oil	34635
42-329-37992	OXY USA WTP LP	Oil	34635
42-329-37993	OXY USA WTP LP	Oil	34635
42-329-37994	OXY USA WTP LP	Oil	34635
42-329-37995	OXY USA WTP LP	Oil	34635
42-329-37996	INDEPENDENCE RESOURCES MGMT, LLC	Oil	40265
42-329-37997	OXY USA WTP LP
42-329-37998	OXY USA WTP LP	Oil	34635
42-329-37999	OXY USA WTP LP	Oil	34635
42-329-38000	OXY USA WTP LP
42-329-38001	OXY USA WTP LP	Oil	34635
42-329-38002	OXY USA WTP LP	Oil	34635
42-329-38003	HENRY RESOURCES LLC	Oil	40215
42-329-38004	DIAMONDBACK E&P LLC	Oil	39560
42-329-38005	CALLON PETROLEUM OPERATING CO	Oil	38905
42-329-38006	Linn Operating, Inc.
42-329-38007	DE3 OPERATING LLC	Oil	43128
42-329-38008	HENRY RESOURCES LLC	Oil	39969
42-329-38009	SUMMIT PETROLEUM LLC
42-329-38010	CALLON PETROLEUM OPERATING CO	Oil	38873
42-329-38011	OWL SWD OPERATING, LLC	Oil	42024
42-329-38012	CALLON PETROLEUM OPERATING CO	Oil	38873
42-329-38013	CALLON PETROLEUM OPERATING CO	Oil	38873
42-329-38014	INDEPENDENCE RESOURCES MGMT, LLC	Oil	38763
42-329-38015	PIONEER NATURAL RES. USA, INC.
42-329-38016	CALLON PETROLEUM OPERATING CO	Oil	38905
42-329-38017	DIAMONDBACK E&P LLC	Oil	44595
42-329-38018	INDEPENDENCE RESOURCES MGMT, LLC	Oil	38763
42-329-38019	DIAMONDBACK E&P LLC
42-329-38020	HENRY RESOURCES LLC	Oil	39969
42-329-38022	COG OPERATING LLC	Oil	41704
42-329-38024	HENRY RESOURCES LLC	Oil	40215
42-329-38025	OCCIDENTAL PERMIAN LTD.	Oil	40691
42-329-38026	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36594
42-329-38027	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36594
42-329-38028	PIONEER NATURAL RES. USA, INC.
42-329-38029	DE3 OPERATING LLC	Oil	41903
42-329-38030	ENDEAVOR ENERGY RESOURCES L.P.	Oil	43442
42-329-38031	OVINTIV USA INC.	Oil	39899
42-329-38032	COG OPERATING LLC	Oil	41440
42-329-38033	PIONEER NATURAL RES. USA, INC.	Oil	44179
42-329-38034	PIONEER NATURAL RES. USA, INC.	Oil	37689
42-329-38035	COG OPERATING LLC	Oil	41025
42-329-38036	OVINTIV USA INC.	Oil	40840
42-329-38037	OVINTIV USA INC.	Oil	52800
42-329-38038	OVINTIV USA INC.	Oil	42032
42-329-38039	DIAMONDBACK E&P LLC	Oil	39560
42-329-38040	OVINTIV USA INC.	Oil	41938
42-329-38041	DIAMONDBACK E&P LLC	Oil	39560
42-329-38042	ENDEAVOR ENERGY RESOURCES L.P.	Oil	06499
42-329-38043	DIAMONDBACK E&P LLC	Oil	40653
42-329-38044	CHEVRON U. S. A. INC.	Oil	40422
42-329-38045	OCCIDENTAL PERMIAN LTD.	Oil	40691
42-329-38046	CHEVRON U. S. A. INC.	Oil	43259
42-329-38047	DIAMONDBACK E&P LLC	Oil	40653
42-329-38048	BERRY OIL COMP.
42-329-38049	XTO ENERGY INC.	Oil	45412
42-329-38050	BERRY OIL COMP.
42-329-38051
42-329-38052	XTO ENERGY INC.	Oil	44990
42-329-38053	PARSLEY ENERGY OPERATIONS, LLC	Oil	23452
42-329-38054	COG OPERATING LLC	Oil	41704
42-329-38055	COG OPERATING LLC	Oil	41704
42-329-38056	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-38057	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-38058	COG OPERATING LLC	Oil	41704
42-329-38059	PIONEER NATURAL RES. USA, INC.
42-329-38060	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-38061
42-329-38062	PIONEER NATURAL RES. USA, INC.
42-329-38063	DIAMONDBACK E&P LLC	Oil	39560
42-329-38064	PIONEER NATURAL RES. USA, INC.
42-329-38065	PIONEER NATURAL RES. USA, INC.
42-329-38066	ENDEAVOR ENERGY RESOURCES L.P.	Oil	39113
42-329-38067	DIAMONDBACK E&P LLC	Oil	40653
42-329-38068	OCCIDENTAL PERMIAN LTD.	Oil	40691
42-329-38069	ENDEAVOR ENERGY RESOURCES L.P.
42-329-38070	PARSLEY ENERGY OPERATIONS, LLC	Oil	42216
42-329-38071	DIAMONDBACK E&P LLC	Oil	40653
42-329-38072	ENDEAVOR ENERGY RESOURCES L.P.
42-329-38073	DIAMONDBACK E&P LLC	Oil	41340
42-329-38074	ENDEAVOR ENERGY RESOURCES L.P.	Oil	43083
42-329-38075	DIAMONDBACK E&P LLC	Oil	41364
42-329-38076	PARSLEY ENERGY OPERATIONS, LLC	Oil	17784
42-329-38077	PARSLEY ENERGY OPERATIONS, LLC	Oil	17784
42-329-38078	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37370
42-329-38079	DIAMONDBACK E&P LLC	Oil	40653
42-329-38080	COG OPERATING LLC	Oil	17154
42-329-38081	INDEPENDENCE RESOURCES MGMT, LLC	Oil	40265
42-329-38082	INDEPENDENCE RESOURCES MGMT, LLC	Oil	40265
42-329-38083	Wichita Water Llc	Oil	42631
42-329-38084	CAZA OPERATING, LLC
42-329-38085	COG OPERATING LLC
42-329-38086	COG OPERATING LLC	Oil	17154
42-329-38087	PIONEER NATURAL RES. USA, INC.
42-329-38089	CHEVRON U. S. A. INC.	Oil	43259
42-329-38090	CHEVRON U. S. A. INC.	Oil	43259
42-329-38091	CHEVRON U. S. A. INC.	Oil	44361
42-329-38092	CHEVRON U. S. A. INC.	Oil	43259
42-329-38093	DIAMONDBACK E&P LLC	Oil	39560
42-329-38094	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-38095	DE3 OPERATING LLC	Oil	43128
42-329-38096	RSP PERMIAN, LLC
42-329-38097	PIONEER NATURAL RES. USA, INC.
42-329-38098	COG OPERATING LLC	Oil	41934
42-329-38099	DIAMONDBACK E&P LLC	Oil	40653
42-329-38100	PIONEER NATURAL RES. USA, INC.	Oil	31007
42-329-38101	RSP PERMIAN, LLC
42-329-38102	ENDEAVOR ENERGY RESOURCES L.P.	Oil	39198
42-329-38103	COG OPERATING LLC	Oil	41704
42-329-38104	E.G.L. RESOURCES, INC.
42-329-38105	RSP PERMIAN, LLC
42-329-38106	OVINTIV USA INC.	Oil	35645
42-329-38107	OVINTIV USA INC.	Oil	35688
42-329-38108	OVINTIV USA INC.	Oil	35647
42-329-38109	OCCIDENTAL PERMIAN LTD.	Oil	40691
42-329-38110	PIONEER NATURAL RES. USA, INC.	Oil	30381
42-329-38111	CHEVRON U. S. A. INC.	Oil	43735
42-329-38112	ENDEAVOR ENERGY RESOURCES L.P.	Oil	43559
42-329-38113	PIONEER NATURAL RES. USA, INC.
42-329-38114	PIONEER NATURAL RES. USA, INC.
42-329-38115	CHEVRON U. S. A. INC.
42-329-38116	OCCIDENTAL PERMIAN LTD.	Oil	40691
42-329-38117	OCCIDENTAL PERMIAN LTD.	Oil	40691
42-329-38118	OCCIDENTAL PERMIAN LTD.	Oil	40691
42-329-38119	OCCIDENTAL PERMIAN LTD.	Oil	40691
42-329-38120	XTO ENERGY INC.	Oil	40191
42-329-38121	XTO ENERGY INC.	Oil	33404
42-329-38122	XTO ENERGY INC.	Oil	33404
42-329-38123	PIONEER NATURAL RES. USA, INC.
42-329-38124	Wagner Oil Company
42-329-38125	BERRY OIL COMP.
42-329-38126	CALLON PETROLEUM OPERATING CO	Oil	44180
42-329-38127	CHEVRON U. S. A. INC.	Oil	43735
42-329-38128	CHEVRON U. S. A. INC.	Oil	43735
42-329-38129	CHEVRON U. S. A. INC.	Oil	43735
42-329-38130	CHEVRON U. S. A. INC.	Oil	43735
42-329-38131	CHEVRON U. S. A. INC.	Oil	43735
42-329-38132	CHEVRON U. S. A. INC.	Oil	43735
42-329-38133	PIONEER NATURAL RES. USA, INC.	Oil	34265
42-329-38134	OCCIDENTAL PERMIAN LTD.	Oil	40691
42-329-38135	OCCIDENTAL PERMIAN LTD.	Oil	40691
42-329-38136	PIONEER NATURAL RES. USA, INC.	Oil	26086
42-329-38137	PIONEER NATURAL RES. USA, INC.
42-329-38138	CALLON PETROLEUM OPERATING CO	Oil	38873
42-329-38139	RSP PERMIAN, LLC
42-329-38140	COG OPERATING LLC	Oil	41440
42-329-38141	HENRY RESOURCES LLC	Oil	43229
42-329-38142	HENRY RESOURCES LLC	Oil	43174
42-329-38143	MID-STATES OPERATING COMPANY	Oil	47999
42-329-38144	MID-STATES OPERATING COMPANY	Oil	47999
42-329-38145	COG OPERATING LLC	Oil	17145
42-329-38146	ROMINE OIL & GAS, LLC	Oil	43658
42-329-38147	ROMINE OIL & GAS, LLC	Oil	43658
42-329-38148	XTO ENERGY INC.	Oil	40191
42-329-38149	OCCIDENTAL PERMIAN LTD.	Oil	40691
42-329-38150	OCCIDENTAL PERMIAN LTD.	Oil	40691
42-329-38151	CHEVRON U. S. A. INC.	Oil	43735
42-329-38152	CHEVRON U. S. A. INC.	Oil	43735
42-329-38153	CHEVRON U. S. A. INC.	Oil	43735
42-329-38154	CHEVRON U. S. A. INC.	Oil	43735
42-329-38155	XTO ENERGY INC.	Oil	32973
42-329-38156	DE3 OPERATING LLC	Oil	43618
42-329-38157	XTO ENERGY INC.	Oil	32973
42-329-38158	XTO ENERGY INC.	Oil	32973
42-329-38159	XTO ENERGY INC.	Oil	32973
42-329-38160	CHEVRON U. S. A. INC.	Oil	43735
42-329-38161	PROBITY SWD, LLC	Oil	43263
42-329-38162	PIONEER NATURAL RES. USA, INC.	Oil	37689
42-329-38163	PIONEER NATURAL RES. USA, INC.	Oil	33406
42-329-38164	PETROPLEX ENERGY INC.	Oil	47502
42-329-38165	PIONEER NATURAL RES. USA, INC.
42-329-38166	OVINTIV USA INC.	Oil	35604
42-329-38168	PIONEER NATURAL RES. USA, INC.
42-329-38169	Legacy Reserves Operating LP	Oil	40808
42-329-38170	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-38171	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-38172	INDEPENDENCE RESOURCES MGMT, LLC	Oil	40748
42-329-38173	Legacy Reserves Operating LP	Oil	40808
42-329-38174
42-329-38175	Legacy Reserves Operating LP	Oil	40808
42-329-38176	Legacy Reserves Operating LP	Oil	40807
42-329-38177	Legacy Reserves Operating LP	Oil	40807
42-329-38178	Legacy Reserves Operating LP	Oil	40807
42-329-38179	Legacy Reserves Operating LP	Oil	40807
42-329-38180	DIAMONDBACK E&P LLC	Oil	43016
42-329-38181	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-38182	Legacy Reserves Operating LP	Oil	40807
42-329-38183	BLUESTEM ENERGY HOLDINGS, LLC
42-329-38184	BLUESTEM ENERGY HOLDINGS, LLC
42-329-38185	BLUESTEM ENERGY HOLDINGS, LLC
42-329-38186	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-38187	BERRY OIL COMP.
42-329-38188	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-38189	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-38190
42-329-38191	PIONEER NATURAL RES. USA, INC.
42-329-38192	MULESHOE CRUDE, LP	Oil	45195
42-329-38193	PIONEER NATURAL RES. USA, INC.
42-329-38194	DIAMONDBACK E&P LLC	Oil	43016
42-329-38195	PIONEER NATURAL RES. USA, INC.
42-329-38196	PIONEER NATURAL RES. USA, INC.
42-329-38197	PIONEER NATURAL RES. USA, INC.	Oil	34265
42-329-38198	BREITBURN OPERATING L.P.	Oil	44019
42-329-38199	COG OPERATING LLC	Oil	41578
42-329-38200	CHEVRON U. S. A. INC.
42-329-38201	COG OPERATING LLC	Oil	17154
42-329-38202	COG OPERATING LLC	Oil	41578
42-329-38203	INDEPENDENCE RESOURCES MGMT, LLC	Oil	38763
42-329-38204	BERRY OIL COMP.
42-329-38205
42-329-38206	BERRY OIL COMP.
42-329-38207	XTO ENERGY INC.	Oil	32944
42-329-38208	XTO ENERGY INC.	Oil	32944
42-329-38209	XTO ENERGY INC.	Oil	32944
42-329-38210	COG OPERATING LLC	Oil	39630
42-329-38211	FASKEN OIL AND RANCH, LTD.	Oil	41996
42-329-38212	COG OPERATING LLC	Oil	39576
42-329-38213	COG OPERATING LLC	Oil	39630
42-329-38214	FASKEN OIL AND RANCH, LTD.	Oil	41996
42-329-38215	FASKEN OIL AND RANCH, LTD.	Oil	41996
42-329-38216	FASKEN OIL AND RANCH, LTD.	Oil	41996
42-329-38217	PIONEER NATURAL RES. USA, INC.
42-329-38218	PIONEER NATURAL RES. USA, INC.
42-329-38219	FASKEN OIL AND RANCH, LTD.	Oil	41996
42-329-38220	FASKEN OIL AND RANCH, LTD.	Oil	41996
42-329-38221	COG OPERATING LLC	Oil	39630
42-329-38222	COG OPERATING LLC	Oil	39630
42-329-38223	COG OPERATING LLC	Oil	39630
42-329-38224	PIONEER NATURAL RES. USA, INC.
42-329-38225	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-38226	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-38227	PIONEER NATURAL RES. USA, INC.	Oil	06390
42-329-38228	PIONEER NATURAL RES. USA, INC.
42-329-38229	PIONEER NATURAL RES. USA, INC.
42-329-38230	PIONEER NATURAL RES. USA, INC.
42-329-38231	PIONEER NATURAL RES. USA, INC.
42-329-38232	PIONEER NATURAL RES. USA, INC.
42-329-38233	PIONEER NATURAL RES. USA, INC.
42-329-38234	PARSLEY ENERGY OPERATIONS, LLC	Oil	39451
42-329-38235	PARSLEY ENERGY OPERATIONS, LLC	Oil	45299
42-329-38236	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-38237	PIONEER NATURAL RES. USA, INC.
42-329-38238	ENDEAVOR ENERGY RESOURCES L.P.
42-329-38239	ENDEAVOR ENERGY RESOURCES L.P.	Oil	43559
42-329-38240	RSP PERMIAN, LLC
42-329-38241	PIONEER NATURAL RES. USA, INC.	Oil	34454
42-329-38242	INDEPENDENCE RESOURCES MGMT, LLC	Oil	40265
42-329-38243	HENDERSON & ERICKSON, INC.
42-329-38244	INDEPENDENCE RESOURCES MGMT, LLC	Oil	40265
42-329-38245	ENDEAVOR ENERGY RESOURCES L.P.
42-329-38246	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36994
42-329-38247	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36994
42-329-38248	COG OPERATING LLC	Oil	39630
42-329-38249	COG OPERATING LLC	Oil	39581
42-329-38250	ENDEAVOR ENERGY RESOURCES L.P.	Oil	38435
42-329-38251	COG OPERATING LLC	Oil	39630
42-329-38252	BERRY OIL COMP.
42-329-38253	PIONEER NATURAL RES. USA, INC.	Oil	24030
42-329-38254	PIONEER NATURAL RES. USA, INC.	Oil	37616
42-329-38255	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-38256	CROWNQUEST OPERATING, LLC	Oil	40091
42-329-38257	RSP PERMIAN, LLC
42-329-38258	INDEPENDENCE RESOURCES MGMT, LLC	Oil	40080
42-329-38259	BLUESTEM ENERGY HOLDINGS, LLC
42-329-38260	DIAMONDBACK E&P LLC	Oil	43016
42-329-38261	RSP PERMIAN, LLC
42-329-38262	DISCOVERY OPERATING, INC.	Oil	37623
42-329-38263	PIONEER NATURAL RES. USA, INC.	Oil	34450
42-329-38264	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-38265	NABORS WELL SERVICES CO.
42-329-38266	DIAMONDBACK E&P LLC	Oil	41264
42-329-38267	DIAMONDBACK E&P LLC	Oil	40349
42-329-38268	CHEVRON U. S. A. INC.	Oil	43259
42-329-38269	CHEVRON U. S. A. INC.	Oil	43259
42-329-38270	CHEVRON U. S. A. INC.	Oil	43259
42-329-38271	CHEVRON U. S. A. INC.	Oil	43259
42-329-38272	CHEVRON U. S. A. INC.	Oil	43259
42-329-38273	CHEVRON U. S. A. INC.	Oil	43259
42-329-38274	CHEVRON U. S. A. INC.	Oil	43259
42-329-38275	CHEVRON U. S. A. INC.	Oil	43259
42-329-38276	CHEVRON U. S. A. INC.	Oil	43259
42-329-38277	CHEVRON U. S. A. INC.	Oil	43259
42-329-38278	CHEVRON U. S. A. INC.	Oil	43259
42-329-38279	XTO ENERGY INC.	Oil	39754
42-329-38280	PIONEER NATURAL RES. USA, INC.
42-329-38281	PIONEER NATURAL RES. USA, INC.
42-329-38282	PIONEER NATURAL RES. USA, INC.
42-329-38283	PIONEER NATURAL RES. USA, INC.
42-329-38284	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37276
42-329-38285	DIAMONDBACK E&P LLC	Oil	41340
42-329-38286	DIAMONDBACK E&P LLC	Oil	41340
42-329-38287	NABORS WELL SERVICES CO.
42-329-38288	PIONEER NATURAL RES. USA, INC.
42-329-38289	OVINTIV USA INC.	Oil	41938
42-329-38290	OVINTIV USA INC.	Oil	41938
42-329-38291	OVINTIV USA INC.	Oil	42032
42-329-38292	OVINTIV USA INC.	Oil	40840
42-329-38293	DIAMONDBACK E&P LLC	Oil	39560
42-329-38294	ENDEAVOR ENERGY RESOURCES L.P.	Oil	06652
42-329-38295	DIAMONDBACK E&P LLC	Oil	42007
42-329-38296	DIAMONDBACK E&P LLC	Oil	42007
42-329-38297	DIAMONDBACK E&P LLC	Oil	41146
42-329-38298	DIAMONDBACK E&P LLC	Oil	41637
42-329-38299	DIAMONDBACK E&P LLC	Oil	35371
42-329-38300	FASKEN OIL AND RANCH, LTD.	Oil	44274
42-329-38301	FASKEN OIL AND RANCH, LTD.
42-329-38302	FASKEN OIL AND RANCH, LTD.	Oil	44274
42-329-38303
42-329-38304	FASKEN OIL AND RANCH, LTD.
42-329-38306	ENDEAVOR ENERGY RESOURCES L.P.	Oil	06652
42-329-38307	ENDEAVOR ENERGY RESOURCES L.P.	Oil	42830
42-329-38308	DISCOVERY OPERATING, INC.	Oil	36459
42-329-38309	PARSLEY ENERGY OPERATIONS, LLC	Oil	39451
42-329-38310	PARSLEY ENERGY OPERATIONS, LLC	Oil	39451
42-329-38311	CHEVRON U. S. A. INC.	Oil	43259
42-329-38312	BERRY OIL COMP.
42-329-38314	CHEVRON U. S. A. INC.	Oil	43259
42-329-38315	CHEVRON U. S. A. INC.	Oil	43259
42-329-38316	DIAMONDBACK E&P LLC	Oil	39560
42-329-38317	OVINTIV USA INC.	Oil	45892
42-329-38318	OVINTIV USA INC.	Oil	45340
42-329-38319	ATLANTIC OPERATING, INC.
42-329-38321	PIONEER NATURAL RES. USA, INC.	Oil	38406
42-329-38322	DE3 OPERATING LLC	Oil	43618
42-329-38323	BIRCH OPERATIONS, INC.	Oil	44004
42-329-38324	OVINTIV USA INC.	Oil	40470
42-329-38325	OVINTIV USA INC.	Oil	40470
42-329-38326	OVINTIV USA INC.	Oil	39911
42-329-38327	OVINTIV USA INC.	Oil	35390
42-329-38328	COG OPERATING LLC	Oil	38844
42-329-38329	DIAMONDBACK E&P LLC	Oil	40653
42-329-38330	PIONEER NATURAL RES. USA, INC.	Oil	44179
42-329-38331	RSP PERMIAN, LLC
42-329-38332	INDEPENDENCE RESOURCES MGMT, LLC	Oil	38763
42-329-38333	FASKEN OIL AND RANCH, LTD.	Oil	41192
42-329-38334	FASKEN OIL AND RANCH, LTD.	Oil	41192
42-329-38335	FASKEN OIL AND RANCH, LTD.	Oil	41192
42-329-38336	FASKEN OIL AND RANCH, LTD.	Oil	41192
42-329-38337	ENDEAVOR ENERGY RESOURCES L.P.	Oil	43655
42-329-38338	ENDEAVOR ENERGY RESOURCES L.P.	Oil	43655
42-329-38339	ENDEAVOR ENERGY RESOURCES L.P.	Oil	43655
42-329-38340	ENDEAVOR ENERGY RESOURCES L.P.	Oil	43655
42-329-38341	FASKEN OIL AND RANCH, LTD.	Oil	41192
42-329-38342	FASKEN OIL AND RANCH, LTD.	Oil	41192
42-329-38343	FASKEN OIL AND RANCH, LTD.	Oil	41192
42-329-38344	FASKEN OIL AND RANCH, LTD.	Oil	41192
42-329-38345	FASKEN OIL AND RANCH, LTD.	Oil	41192
42-329-38346	FASKEN OIL AND RANCH, LTD.	Oil	41192
42-329-38347	FASKEN OIL AND RANCH, LTD.	Oil	41192
42-329-38348	FASKEN OIL AND RANCH, LTD.	Oil	41192
42-329-38349	FASKEN OIL AND RANCH, LTD.	Oil	45240
42-329-38350	CALLON PETROLEUM OPERATING CO	Oil	38905
42-329-38351	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-38352	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-38353	PIONEER NATURAL RES. USA, INC.
42-329-38355	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-38356	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-38357	PIONEER NATURAL RES. USA, INC.
42-329-38358	PIONEER NATURAL RES. USA, INC.
42-329-38359	PIONEER NATURAL RES. USA, INC.	Oil	37738
42-329-38360	COG OPERATING LLC	Oil	17154
42-329-38361	SUMMIT PETROLEUM LLC
42-329-38362	OVINTIV USA INC.	Oil	40840
42-329-38363	OVINTIV USA INC.	Oil	42032
42-329-38364	OVINTIV USA INC.	Oil	52800
42-329-38365	OVINTIV USA INC.	Oil	41938
42-329-38366	PETROPLEX ENERGY INC.	Oil	44240
42-329-38367	DIAMONDBACK E&P LLC	Oil	41340
42-329-38368	DIAMONDBACK E&P LLC	Oil	41340
42-329-38369	DIAMONDBACK E&P LLC	Oil	41364
42-329-38370	DIAMONDBACK E&P LLC	Oil	41364
42-329-38371	DIAMONDBACK E&P LLC	Oil	41340
42-329-38372	COG OPERATING LLC	Oil	41440
42-329-38373	DIAMONDBACK E&P LLC	Oil	41340
42-329-38374	DIAMONDBACK E&P LLC
42-329-38375	DIAMONDBACK E&P LLC	Oil	39560
42-329-38376	DIAMONDBACK E&P LLC
42-329-38377	DIAMONDBACK E&P LLC	Oil	40653
42-329-38378	DIAMONDBACK E&P LLC	Oil	40653
42-329-38379	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-38380	DIAMONDBACK E&P LLC	Oil	39560
42-329-38381	DIAMONDBACK E&P LLC	Oil	39560
42-329-38382	DIAMONDBACK E&P LLC
42-329-38383	DIAMONDBACK E&P LLC
42-329-38384	DIAMONDBACK E&P LLC	Oil	41340
42-329-38385	DIAMONDBACK E&P LLC	Oil	41340
42-329-38386	DIAMONDBACK E&P LLC	Oil	39560
42-329-38387	DIAMONDBACK E&P LLC	Oil	39560
42-329-38388	DIAMONDBACK E&P LLC	Oil	39560
42-329-38389	DIAMONDBACK E&P LLC	Oil	39560
42-329-38390	DIAMONDBACK E&P LLC	Oil	39560
42-329-38391	DIAMONDBACK E&P LLC	Oil	39560
42-329-38392	DIAMONDBACK E&P LLC	Oil	39560
42-329-38393	DIAMONDBACK E&P LLC	Oil	39560
42-329-38394	DIAMONDBACK E&P LLC	Oil	39560
42-329-38395	CROWNQUEST OPERATING, LLC	Oil	43716
42-329-38396	COG OPERATING LLC	Oil	44550
42-329-38397	BERRY OIL COMP.
42-329-38398	XTO ENERGY INC.	Oil	32973
42-329-38399	CALLON PETROLEUM OPERATING CO	Oil	44180
42-329-38400	XTO ENERGY INC.	Oil	32973
42-329-38401	COG OPERATING LLC	Oil	41083
42-329-38402	COG OPERATING LLC	Oil	41083
42-329-38403	DIAMONDBACK E&P LLC	Oil	40653
42-329-38404	DIAMONDBACK E&P LLC	Oil	39560
42-329-38405	BERRY OIL COMP.
42-329-38406	DIAMONDBACK E&P LLC	Oil	39560
42-329-38407	DIAMONDBACK E&P LLC	Oil	40653
42-329-38408	DIAMONDBACK E&P LLC	Oil	40653
42-329-38409	DIAMONDBACK E&P LLC	Oil	40653
42-329-38410	BERRY OIL COMP.
42-329-38411	PIONEER NATURAL RES. USA, INC.
42-329-38412	COG OPERATING LLC	Oil	41083
42-329-38413	DIAMONDBACK E&P LLC	Oil	30393
42-329-38414	COG OPERATING LLC	Oil	41440
42-329-38415	DIAMONDBACK E&P LLC
42-329-38416	DIAMONDBACK E&P LLC
42-329-38417	DIAMONDBACK E&P LLC
42-329-38418	DIAMONDBACK E&P LLC	Oil	30393
42-329-38419	DIAMONDBACK E&P LLC	Oil	30418
42-329-38420	DIAMONDBACK E&P LLC	Oil	30418
42-329-38421	COG OPERATING LLC	Oil	43828
42-329-38422	CALLON PETROLEUM OPERATING CO	Oil	38962
42-329-38423	CHEVRON U. S. A. INC.	Oil	43735
42-329-38424	CHEVRON U. S. A. INC.	Oil	43735
42-329-38425	CHEVRON U. S. A. INC.	Oil	43735
42-329-38426	CHEVRON U. S. A. INC.	Oil	43735
42-329-38427	CHEVRON U. S. A. INC.	Oil	43735
42-329-38428	OCCIDENTAL PERMIAN LTD.	Oil	40691
42-329-38429	OCCIDENTAL PERMIAN LTD.	Oil	40691
42-329-38430	CHEVRON U. S. A. INC.
42-329-38431	CHEVRON U. S. A. INC.	Oil	43735
42-329-38432	CHEVRON U. S. A. INC.	Oil	43735
42-329-38433	CHEVRON U. S. A. INC.	Oil	43735
42-329-38434	CHEVRON U. S. A. INC.	Oil	43735
42-329-38435	CHEVRON U. S. A. INC.	Oil	43735
42-329-38436	PETROPLEX ENERGY INC.
42-329-38437
42-329-38438	PETROPLEX ENERGY INC.
42-329-38439	PETROPLEX ENERGY INC.
42-329-38440	PIONEER NATURAL RES. USA, INC.
42-329-38441	CHEVRON U. S. A. INC.	Oil	43735
42-329-38442	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-38443	PIONEER NATURAL RES. USA, INC.
42-329-38444	PIONEER NATURAL RES. USA, INC.	Oil	44078
42-329-38445	PIONEER NATURAL RES. USA, INC.	Oil	44078
42-329-38446	PIONEER NATURAL RES. USA, INC.	Oil	43967
42-329-38447	PIONEER NATURAL RES. USA, INC.	Oil	43967
42-329-38448	CROWNQUEST OPERATING, LLC	Oil	44005
42-329-38449	DIAMONDBACK E&P LLC
42-329-38450	ENDEAVOR ENERGY RESOURCES L.P.	Oil	43676
42-329-38451	DIAMONDBACK E&P LLC	Oil	39560
42-329-38452	COG OPERATING LLC	Oil	53121
42-329-38453	CHEVRON U. S. A. INC.	Oil	43735
42-329-38454	DIAMONDBACK E&P LLC	Oil	40653
42-329-38455	FASKEN OIL AND RANCH, LTD.	Oil	41192
42-329-38456	CROWNQUEST OPERATING, LLC
42-329-38457	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-38458	PIONEER NATURAL RES. USA, INC.	Oil	39392
42-329-38459	PIONEER NATURAL RES. USA, INC.
42-329-38460	ENDEAVOR ENERGY RESOURCES L.P.	Oil	44145
42-329-38461	DIAMONDBACK E&P LLC	Oil	41131
42-329-38462	DIAMONDBACK E&P LLC	Oil	41638
42-329-38463	OVINTIV USA INC.	Oil	39905
42-329-38464	DIAMONDBACK E&P LLC	Oil	35371
42-329-38465	ENERGEN RESOURCES CORPORATION
42-329-38466	DIAMONDBACK E&P LLC	Oil	42007
42-329-38467	ENERGEN RESOURCES CORPORATION
42-329-38468	DIAMONDBACK E&P LLC	Oil	42007
42-329-38469	ENERGEN RESOURCES CORPORATION
42-329-38470	ENERGEN RESOURCES CORPORATION
42-329-38471	DIAMONDBACK E&P LLC	Oil	41340
42-329-38472	CHEVRON U. S. A. INC.	Oil	42704
42-329-38473	PIONEER NATURAL RES. USA, INC.	Oil	39392
42-329-38474	PIONEER NATURAL RES. USA, INC.	Oil	39392
42-329-38475	PIONEER NATURAL RES. USA, INC.	Oil	39392
42-329-38476	DIAMONDBACK E&P LLC	Oil	43917
42-329-38477	DIAMONDBACK E&P LLC	Oil	43945
42-329-38478	DIAMONDBACK E&P LLC	Oil	43945
42-329-38479	COG OPERATING LLC	Oil	41934
42-329-38480	COG OPERATING LLC	Oil	41934
42-329-38481	PARSLEY ENERGY OPERATIONS, LLC	Oil	17784
42-329-38482	OVINTIV USA INC.	Oil	39906
42-329-38483	OVINTIV USA INC.	Oil	39911
42-329-38484	PARSLEY ENERGY OPERATIONS, LLC	Oil	45011
42-329-38485	DE3 OPERATING LLC	Oil	21883
42-329-38486	DE3 OPERATING LLC	Oil	21883
42-329-38487	COG OPERATING LLC	Oil	39630
42-329-38488	COG OPERATING LLC	Oil	39578
42-329-38489	COG OPERATING LLC	Oil	39628
42-329-38490	OVINTIV USA INC.	Oil	34974
42-329-38491	COG OPERATING LLC	Oil	39630
42-329-38492	ENDEAVOR ENERGY RESOURCES L.P.	Oil	44145
42-329-38493	COG OPERATING LLC	Oil	39630
42-329-38494	COG OPERATING LLC	Oil	41895
42-329-38495	PIONEER NATURAL RES. USA, INC.	Oil	43967
42-329-38496	PIONEER NATURAL RES. USA, INC.
42-329-38497	OVINTIV USA INC.	Oil	40840
42-329-38498	CALLON PETROLEUM OPERATING CO	Oil	38816
42-329-38499	COG OPERATING LLC	Oil	41704
42-329-38500	DIAMONDBACK E&P LLC	Oil	41340
42-329-38501	PIONEER NATURAL RES. USA, INC.	Oil	38406
42-329-38502	E.G.L. RESOURCES, INC.
42-329-38503	COG OPERATING LLC	Oil	38844
42-329-38504	DIAMONDBACK E&P LLC	Oil	41340
42-329-38505	COG OPERATING LLC	Oil	40039
42-329-38506	RSP PERMIAN, LLC
42-329-38508	PIONEER NATURAL RES. USA, INC.	Oil	43967
42-329-38509	COG OPERATING LLC	Oil	17154
42-329-38510	PIONEER NATURAL RES. USA, INC.	Oil	43967
42-329-38511	PIONEER NATURAL RES. USA, INC.	Oil	43967
42-329-38512	COG OPERATING LLC	Oil	41440
42-329-38513	RSP PERMIAN, LLC
42-329-38514	CALLON PETROLEUM OPERATING CO	Oil	38962
42-329-38515	COG OPERATING LLC	Oil	39577
42-329-38516	COG OPERATING LLC	Oil	39630
42-329-38517	CALLON PETROLEUM OPERATING CO	Oil	38905
42-329-38518	OVINTIV USA INC.	Oil	39904
42-329-38519	OVINTIV USA INC.	Oil	39901
42-329-38520	PIONEER NATURAL RES. USA, INC.	Oil	33957
42-329-38521	OXY USA WTP LP	Oil	34635
42-329-38523	OVINTIV USA INC.	Oil	40840
42-329-38524	OVINTIV USA INC.	Oil	40840
42-329-38525	COG OPERATING LLC	Oil	43828
42-329-38526	OVINTIV USA INC.	Oil	41938
42-329-38527	OVINTIV USA INC.	Oil	34717
42-329-38528	DIAMONDBACK E&P LLC	Oil	39560
42-329-38529	OVINTIV USA INC.	Oil	41938
42-329-38530	OVINTIV USA INC.	Oil	41938
42-329-38531	OVINTIV USA INC.	Oil	42032
42-329-38532	OCCIDENTAL PERMIAN LTD.
42-329-38533	OCCIDENTAL PERMIAN LTD.
42-329-38534	COG OPERATING LLC	Oil	40039
42-329-38535	FASKEN OIL AND RANCH, LTD.	Oil	27765
42-329-38536	FASKEN OIL AND RANCH, LTD.	Oil	27765
42-329-38537	PIONEER NATURAL RES. USA, INC.	Oil	44078
42-329-38538	PIONEER NATURAL RES. USA, INC.
42-329-38539	PIONEER NATURAL RES. USA, INC.	Oil	44078
42-329-38540	OCCIDENTAL PERMIAN LTD.
42-329-38541	OCCIDENTAL PERMIAN LTD.	Oil	40691
42-329-38542	OCCIDENTAL PERMIAN LTD.
42-329-38543	OCCIDENTAL PERMIAN LTD.
42-329-38544	OCCIDENTAL PERMIAN LTD.
42-329-38545	OCCIDENTAL PERMIAN LTD.
42-329-38547	OVINTIV USA INC.	Oil	42032
42-329-38548	OVINTIV USA INC.	Oil	52800
42-329-38549	OVINTIV USA INC.	Oil	40840
42-329-38550	OVINTIV USA INC.	Oil	40840
42-329-38551	DE3 OPERATING LLC	Oil	21883
42-329-38552	CROWNQUEST OPERATING, LLC	Oil	40091
42-329-38553	DE3 OPERATING LLC	Oil	21883
42-329-38554	DIAMONDBACK E&P LLC	Oil	41340
42-329-38555	PETROPLEX ENERGY INC.
42-329-38556	CROWNQUEST OPERATING, LLC	Oil	40091
42-329-38557	COG OPERATING LLC	Oil	39630
42-329-38558	OVINTIV USA INC.	Oil	40840
42-329-38559	CROWNQUEST OPERATING, LLC	Oil	40091
42-329-38560	OVINTIV USA INC.	Oil	41938
42-329-38561	COG OPERATING LLC	Oil	17154
42-329-38562	OVINTIV USA INC.	Oil	41938
42-329-38563	OVINTIV USA INC.	Oil	41938
42-329-38564	OVINTIV USA INC.	Oil	41938
42-329-38565	PIONEER NATURAL RES. USA, INC.
42-329-38566	OCCIDENTAL PERMIAN LTD.
42-329-38567	COG OPERATING LLC	Oil	17154
42-329-38568	MCM OPERATING, LLC	Oil	44292
42-329-38569	DE3 OPERATING LLC	Oil	45505
42-329-38570	OVINTIV USA INC.	Oil	42032
42-329-38571	OVINTIV USA INC.	Oil	42032
42-329-38572	OVINTIV USA INC.	Oil	42032
42-329-38573	OCCIDENTAL PERMIAN LTD.
42-329-38574	OCCIDENTAL PERMIAN LTD.
42-329-38575	OCCIDENTAL PERMIAN LTD.
42-329-38576	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-38577	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-38578	INDEPENDENCE RESOURCES MGMT, LLC	Oil	42192
42-329-38579	RSP PERMIAN, LLC
42-329-38580	MIDLAND ENERGY, INC.	Oil	40013
42-329-38581	OXY USA WTP LP	Oil	34635
42-329-38582	DISCOVERY OPERATING, INC.	Oil	41132
42-329-38583	PARSLEY ENERGY OPERATIONS, LLC	Oil	47259
42-329-38584	COG OPERATING LLC
42-329-38585	COG OPERATING LLC	Oil	39629
42-329-38586	DIAMONDBACK E&P LLC
42-329-38587	DE3 OPERATING LLC	Oil	42430
42-329-38588	DIAMONDBACK E&P LLC
42-329-38589	OVINTIV USA INC.	Oil	39928
42-329-38590	DIAMONDBACK E&P LLC
42-329-38591	DIAMONDBACK E&P LLC	Oil	39560
42-329-38592	OVINTIV USA INC.	Oil	39889
42-329-38593	OVINTIV USA INC.	Oil	39929
42-329-38594	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-38595	INDEPENDENCE RESOURCES MGMT, LLC	Oil	42192
42-329-38596	OVINTIV USA INC.	Oil	39907
42-329-38597	PIONEER NATURAL RES. USA, INC.	Oil	44272
42-329-38598	DISCOVERY OPERATING, INC.	Oil	37623
42-329-38599	COG OPERATING LLC	Oil	41704
42-329-38600	COG OPERATING LLC	Oil	41025
42-329-38601	PIONEER NATURAL RES. USA, INC.	Oil	27179
42-329-38602	DIAMONDBACK E&P LLC
42-329-38603	DIAMONDBACK E&P LLC	Oil	39560
42-329-38604	DIAMONDBACK E&P LLC	Oil	39560
42-329-38605	DIAMONDBACK E&P LLC	Oil	39560
42-329-38606	DIAMONDBACK E&P LLC	Oil	39560
42-329-38607	DIAMONDBACK E&P LLC	Oil	39560
42-329-38608	DIAMONDBACK E&P LLC	Oil	39560
42-329-38609	DIAMONDBACK E&P LLC
42-329-38610	DIAMONDBACK E&P LLC	Oil	39560
42-329-38611	DIAMONDBACK E&P LLC	Oil	39560
42-329-38612	DIAMONDBACK E&P LLC	Oil	39560
42-329-38613	DIAMONDBACK E&P LLC	Oil	39560
42-329-38614	DIAMONDBACK E&P LLC	Oil	39560
42-329-38615	PIONEER NATURAL RES. USA, INC.	Oil	32041
42-329-38616	OCCIDENTAL PERMIAN LTD.
42-329-38617	OCCIDENTAL PERMIAN LTD.
42-329-38618	COG OPERATING LLC	Oil	41934
42-329-38619	FASKEN OIL AND RANCH, LTD.	Oil	44274
42-329-38620	FASKEN OIL AND RANCH, LTD.	Oil	44274
42-329-38621	FASKEN OIL AND RANCH, LTD.	Oil	44274
42-329-38622	FASKEN OIL AND RANCH, LTD.	Oil	44274
42-329-38623	FASKEN OIL AND RANCH, LTD.	Oil	44274
42-329-38624	FASKEN OIL AND RANCH, LTD.	Oil	44274
42-329-38625	FASKEN OIL AND RANCH, LTD.	Oil	44274
42-329-38626	FASKEN OIL AND RANCH, LTD.	Oil	44274
42-329-38627	FASKEN OIL AND RANCH, LTD.	Oil	44274
42-329-38628	FASKEN OIL AND RANCH, LTD.	Oil	44274
42-329-38629	FASKEN OIL AND RANCH, LTD.	Oil	44274
42-329-38630	FASKEN OIL AND RANCH, LTD.	Oil	44274
42-329-38631	FASKEN OIL AND RANCH, LTD.	Oil	44274
42-329-38632	FASKEN OIL AND RANCH, LTD.	Oil	44274
42-329-38633	FASKEN OIL AND RANCH, LTD.	Oil	44274
42-329-38634	FASKEN OIL AND RANCH, LTD.	Oil	44274
42-329-38635	DE3 OPERATING LLC	Oil	43618
42-329-38636	COG OPERATING LLC	Oil	39630
42-329-38637	COG OPERATING LLC
42-329-38638	COG OPERATING LLC	Oil	39630
42-329-38639	OVINTIV USA INC.	Oil	39903
42-329-38640	CALLON PETROLEUM OPERATING CO	Oil	42656
42-329-38641	OXY USA WTP LP	Oil	34635
42-329-38642	INDEPENDENCE RESOURCES MGMT, LLC	Oil	40748
42-329-38643	OCCIDENTAL PERMIAN LTD.	Oil	40691
42-329-38644	PIONEER NATURAL RES. USA, INC.	Oil	37468
42-329-38645	CALLON PETROLEUM OPERATING CO	Oil	43034
42-329-38646	CROWNQUEST OPERATING, LLC	Oil	44347
42-329-38647	CROWNQUEST OPERATING, LLC	Oil	44347
42-329-38648	PIONEER NATURAL RES. USA, INC.	Oil	37473
42-329-38649	COG OPERATING LLC	Oil	41440
42-329-38650	OXY USA WTP LP	Oil	34635
42-329-38651	OXY USA WTP LP	Oil	34635
42-329-38652	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-38653	OXY USA WTP LP	Oil	34635
42-329-38654	OXY USA WTP LP	Oil	34635
42-329-38655	CHEVRON U. S. A. INC.	Oil	43735
42-329-38656	CHEVRON U. S. A. INC.	Oil	43735
42-329-38657	PURVIS OPERATING CO.	Oil	26809
42-329-38658	DIAMONDBACK E&P LLC	Oil	39560
42-329-38659	CHEVRON U. S. A. INC.	Oil	43259
42-329-38660	CHEVRON U. S. A. INC.
42-329-38661	RESOLUTE NATURAL RES. CO., LLC	Oil	40265
42-329-38662	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-38663	ENDEAVOR ENERGY RESOURCES L.P.	Oil	06652
42-329-38665	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-38666	BIRCH OPERATIONS, INC.	Oil	41598
42-329-38667	PIONEER NATURAL RES. USA, INC.	Oil	44078
42-329-38668	PIONEER NATURAL RES. USA, INC.	Oil	44078
42-329-38669	CHEVRON U. S. A. INC.	Oil	43735
42-329-38670	INDEPENDENCE RESOURCES MGMT, LLC	Oil	40080
42-329-38671	ENDEAVOR ENERGY RESOURCES L.P.	Oil	06652
42-329-38672	ENDEAVOR ENERGY RESOURCES L.P.	Oil	43442
42-329-38674	PIONEER NATURAL RES. USA, INC.	Oil	06451
42-329-38675	PIONEER NATURAL RES. USA, INC.	Oil	06451
42-329-38676	CALLON PETROLEUM OPERATING CO	Oil	41579
42-329-38677	RESOLUTE NATURAL RES. CO., LLC	Oil	18372
42-329-38678	CHEVRON U. S. A. INC.	Oil	40422
42-329-38679	CHEVRON U. S. A. INC.	Oil	40422
42-329-38680	CHEVRON U. S. A. INC.	Oil	40422
42-329-38681	CHEVRON U. S. A. INC.	Oil	40422
42-329-38682	PIONEER NATURAL RES. USA, INC.	Oil	44272
42-329-38683	DIAMONDBACK E&P LLC	Oil	45590
42-329-38684	PIONEER NATURAL RES. USA, INC.	Oil	44078
42-329-38685	PIONEER NATURAL RES. USA, INC.	Oil	44078
42-329-38686	OCCIDENTAL PERMIAN LTD.
42-329-38687	PIONEER NATURAL RES. USA, INC.	Oil	44078
42-329-38688	PIONEER NATURAL RES. USA, INC.	Oil	44179
42-329-38689	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-38690	COG OPERATING LLC
42-329-38691	OVINTIV USA INC.	Oil	39909
42-329-38692	PIONEER NATURAL RES. USA, INC.
42-329-38693	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-38694	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-38695	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-38696	COG OPERATING LLC
42-329-38697	COG OPERATING LLC
42-329-38698	CHEVRON U. S. A. INC.	Oil	40422
42-329-38699	CHEVRON U. S. A. INC.	Oil	40422
42-329-38700	PIONEER NATURAL RES. USA, INC.	Oil	27657
42-329-38701	ENDEAVOR ENERGY RESOURCES L.P.	Oil	43676
42-329-38702	CALLON PETROLEUM OPERATING CO	Oil	38962
42-329-38703	PIONEER NATURAL RES. USA, INC.	Oil	44272
42-329-38704	CROWNQUEST OPERATING, LLC	Oil	44741
42-329-38706	PIONEER NATURAL RES. USA, INC.	Oil	44682
42-329-38707	COG OPERATING LLC	Oil	41578
42-329-38708	COG OPERATING LLC	Oil	41578
42-329-38709	RSP PERMIAN, LLC
42-329-38710	COG OPERATING LLC	Oil	51177
42-329-38711	RESOLUTE NATURAL RES. CO., LLC	Oil	18372
42-329-38712	COG OPERATING LLC
42-329-38713	COG OPERATING LLC
42-329-38715	COG OPERATING LLC
42-329-38716	CHEVRON U. S. A. INC.	Oil	44361
42-329-38717	COG OPERATING LLC
42-329-38718	NGL WATER SOLUTIONS PERMIAN, LLC	Oil	45817
42-329-38719	CHEVRON U. S. A. INC.	Oil	44361
42-329-38720	CHEVRON U. S. A. INC.	Oil	44361
42-329-38721	CHEVRON U. S. A. INC.	Oil	44361
42-329-38722	CHEVRON U. S. A. INC.	Oil	44361
42-329-38723	CHEVRON U. S. A. INC.	Oil	44361
42-329-38724	CHEVRON U. S. A. INC.	Oil	44361
42-329-38725	CHEVRON U. S. A. INC.	Oil	44361
42-329-38726	CHEVRON U. S. A. INC.	Oil	44361
42-329-38727	CHEVRON U. S. A. INC.	Oil	44361
42-329-38728	CHEVRON U. S. A. INC.	Oil	44361
42-329-38729	CHEVRON U. S. A. INC.	Oil	44361
42-329-38730	COG OPERATING LLC	Oil	17154
42-329-38731	PARSLEY ENERGY OPERATIONS, LLC
42-329-38732	DE3 OPERATING LLC	Oil	44816
42-329-38733	OVINTIV USA INC.	Oil	39916
42-329-38734	COG OPERATING LLC	Oil	41934
42-329-38735	COG OPERATING LLC	Oil	41934
42-329-38736	DIAMONDBACK E&P LLC	Oil	41340
42-329-38737	INDEPENDENCE RESOURCES MGMT, LLC	Oil	38763
42-329-38738	HOLLY ENERGY PARTNERS-OP, L.P.
42-329-38739	COG OPERATING LLC
42-329-38740	COG OPERATING LLC
42-329-38741	PARSLEY ENERGY OPERATIONS, LLC	Oil	45858
42-329-38742	DE3 OPERATING LLC	Oil	42215
42-329-38743	PIONEER NATURAL RES. USA, INC.	Oil	43967
42-329-38744	PIONEER NATURAL RES. USA, INC.	Oil	43967
42-329-38745	PIONEER NATURAL RES. USA, INC.	Oil	43967
42-329-38746	PIONEER NATURAL RES. USA, INC.	Oil	43967
42-329-38747	INDEPENDENCE RESOURCES MGMT, LLC	Oil	38763
42-329-38748	COG OPERATING LLC	Oil	39575
42-329-38749	DIAMONDBACK E&P LLC	Oil	45331
42-329-38750	PIONEER NATURAL RES. USA, INC.	Oil	29034
42-329-38751	CJ ENERGY, LLC
42-329-38752	COG OPERATING LLC
42-329-38753	ENDEAVOR ENERGY RESOURCES L.P.	Oil	46533
42-329-38754	ENDEAVOR ENERGY RESOURCES L.P.	Oil	46533
42-329-38755	PIONEER NATURAL RES. USA, INC.	Oil	28329
42-329-38756	PIONEER NATURAL RES. USA, INC.	Oil	28712
42-329-38757	COG OPERATING LLC
42-329-38758	OVINTIV USA INC.	Oil	35251
42-329-38759	COG OPERATING LLC
42-329-38760	CROWNQUEST OPERATING, LLC	Oil	45322
42-329-38761	CROWNQUEST OPERATING, LLC	Oil	45322
42-329-38762	PIONEER NATURAL RES. USA, INC.	Oil	43967
42-329-38763	CROWNQUEST OPERATING, LLC	Oil	44329
42-329-38764	CHEVRON U. S. A. INC.	Oil	44768
42-329-38765	CHEVRON U. S. A. INC.	Oil	44768
42-329-38766	CHEVRON U. S. A. INC.	Oil	44768
42-329-38767	PIONEER NATURAL RES. USA, INC.	Oil	44078
42-329-38768	PIONEER NATURAL RES. USA, INC.	Oil	44078
42-329-38769	PIONEER NATURAL RES. USA, INC.	Oil	44078
42-329-38770	OVINTIV USA INC.	Oil	39904
42-329-38771	COG OPERATING LLC	Oil	41025
42-329-38772	INDEPENDENCE RESOURCES MGMT, LLC	Oil	41952
42-329-38773	OVINTIV USA INC.	Oil	39908
42-329-38774	PIONEER NATURAL RES. USA, INC.	Oil	31078
42-329-38775	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-38776	MCDONNOLD OPERATING, INC.
42-329-38777	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-38778	CHEVRON U. S. A. INC.	Oil	44768
42-329-38779	CHEVRON U. S. A. INC.	Oil	44768
42-329-38780	CHEVRON U. S. A. INC.	Oil	44768
42-329-38781	CHEVRON U. S. A. INC.	Oil	44768
42-329-38782	CHEVRON U. S. A. INC.	Oil	44768
42-329-38783	CHEVRON U. S. A. INC.	Oil	44768
42-329-38784	CHEVRON U. S. A. INC.	Oil	44768
42-329-38785	CHEVRON U. S. A. INC.	Oil	44768
42-329-38786	CHEVRON U. S. A. INC.	Oil	44768
42-329-38787	CHEVRON U. S. A. INC.	Oil	44768
42-329-38788	DIAMONDBACK E&P LLC
42-329-38789	OVINTIV USA INC.	Oil	45275
42-329-38790	DIAMONDBACK E&P LLC	Oil	41340
42-329-38791	BERRY OIL COMP.	Oil	32407
42-329-38792	CHEVRON U. S. A. INC.
42-329-38793	CHEVRON U. S. A. INC.	Oil	43259
42-329-38794	DIAMONDBACK E&P LLC	Oil	40653
42-329-38795	CROWNQUEST OPERATING, LLC	Oil	44329
42-329-38796	INDEPENDENCE RESOURCES MGMT, LLC	Oil	40265
42-329-38797	DIAMONDBACK E&P LLC	Oil	40653
42-329-38798	COG OPERATING LLC	Oil	44695
42-329-38799	COG OPERATING LLC
42-329-38800	DIAMONDBACK E&P LLC	Oil	40653
42-329-38801	CHEVRON U. S. A. INC.	Oil	43259
42-329-38802	CHEVRON U. S. A. INC.	Oil	43259
42-329-38803	CHEVRON U. S. A. INC.	Oil	43259
42-329-38804	COG OPERATING LLC
42-329-38805	DIAMONDBACK E&P LLC	Oil	40653
42-329-38806	DIAMONDBACK E&P LLC	Oil	41340
42-329-38808	HENDERSON & ERICKSON, INC.
42-329-38809	CHEVRON U. S. A. INC.	Oil	43259
42-329-38810	COG OPERATING LLC
42-329-38811	RESOLUTE NATURAL RES. CO., LLC
42-329-38812	OVINTIV USA INC.	Oil	46222
42-329-38813	PIONEER NATURAL RES. USA, INC.	Oil	44078
42-329-38814	PIONEER NATURAL RES. USA, INC.	Oil	44078
42-329-38815	PIONEER NATURAL RES. USA, INC.	Oil	44078
42-329-38816	PIONEER NATURAL RES. USA, INC.	Oil	44078
42-329-38817	PIONEER NATURAL RES. USA, INC.	Oil	30910
42-329-38818	DISCOVERY OPERATING, INC.	Oil	37618
42-329-38819	CHEVRON U. S. A. INC.	Oil	40422
42-329-38820	CHEVRON U. S. A. INC.	Oil	40422
42-329-38821	CHEVRON U. S. A. INC.	Oil	40422
42-329-38822	CHEVRON U. S. A. INC.	Oil	40422
42-329-38823	CHEVRON U. S. A. INC.	Oil	40422
42-329-38824	COG OPERATING LLC	Oil	17547
42-329-38825	COG OPERATING LLC
42-329-38826	DE3 OPERATING LLC	Oil	41053
42-329-38827	CROWNQUEST OPERATING, LLC	Oil	44329
42-329-38828	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-38829	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-38830	DISCOVERY OPERATING, INC.	Oil	37639
42-329-38831	ENDEAVOR ENERGY RESOURCES L.P.	Oil	06652
42-329-38832	COG OPERATING LLC
42-329-38833	CROWNQUEST OPERATING, LLC	Oil	44513
42-329-38834	PIONEER NATURAL RES. USA, INC.	Oil	35411
42-329-38835	DISCOVERY OPERATING, INC.	Oil	36585
42-329-38836	OVINTIV USA INC.	Oil	40141
42-329-38837	OCCIDENTAL PERMIAN LTD.
42-329-38839	OCCIDENTAL PERMIAN LTD.	Oil	40691
42-329-38840	DISCOVERY OPERATING, INC.
42-329-38841	PIONEER NATURAL RES. USA, INC.	Oil	37711
42-329-38842	DISCOVERY OPERATING, INC.	Oil	36459
42-329-38843	DISCOVERY OPERATING, INC.
42-329-38844	ENDEAVOR ENERGY RESOURCES L.P.	Oil	25835
42-329-38845	DIAMONDBACK E&P LLC	Oil	45236
42-329-38846	DIAMONDBACK E&P LLC	Oil	45236
42-329-38847	DIAMONDBACK E&P LLC	Oil	39560
42-329-38848	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-38849	DIAMONDBACK E&P LLC	Oil	39560
42-329-38850	PIONEER NATURAL RES. USA, INC.	Oil	35411
42-329-38851	DIAMONDBACK E&P LLC	Oil	45937
42-329-38852	PIONEER NATURAL RES. USA, INC.	Oil	32601
42-329-38853	CALLON PETROLEUM OPERATING CO	Oil	45198
42-329-38854	ATHLON ENERGY OPERATING LLC
42-329-38855	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36701
42-329-38856	PIONEER NATURAL RES. USA, INC.	Oil	43967
42-329-38857	PIONEER NATURAL RES. USA, INC.	Oil	43967
42-329-38858	PIONEER NATURAL RES. USA, INC.	Oil	43967
42-329-38859	PIONEER NATURAL RES. USA, INC.	Oil	43967
42-329-38860	OVINTIV USA INC.	Oil	35489
42-329-38861	CALLON PETROLEUM OPERATING CO	Oil	41579
42-329-38862	CALLON PETROLEUM OPERATING CO	Oil	43034
42-329-38863	COG OPERATING LLC
42-329-38864	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36994
42-329-38865	ENTERPRISE PRODUCTS OPERATINGLLC
42-329-38866	INDEPENDENCE RESOURCES MGMT, LLC	Oil	40080
42-329-38868	DE3 OPERATING LLC	Oil	25987
42-329-38869	DISCOVERY OPERATING, INC.	Oil	36457
42-329-38870	DISCOVERY OPERATING, INC.	Oil	36457
42-329-38871	PIONEER NATURAL RES. USA, INC.	Oil	34424
42-329-38872	DISCOVERY OPERATING, INC.
42-329-38873	DISCOVERY OPERATING, INC.	Oil	36561
42-329-38874	OCCIDENTAL PERMIAN LTD.	Oil	40691
42-329-38876	OCCIDENTAL PERMIAN LTD.	Oil	40691
42-329-38877	OCCIDENTAL PERMIAN LTD.	Oil	40691
42-329-38878	OVINTIV USA INC.	Oil	39902
42-329-38879	PARSLEY ENERGY OPERATIONS, LLC	Oil	46225
42-329-38880	PRIME OPERATING COMPANY	Oil	34510
42-329-38881	DIAMONDBACK E&P LLC	Oil	45319
42-329-38882	CALLON PETROLEUM OPERATING CO	Oil	46214
42-329-38883	OVINTIV USA INC.	Oil	44409
42-329-38884	XTO ENERGY INC.	Oil	45392
42-329-38885	PIONEER NATURAL RES. USA, INC.	Oil	32910
42-329-38886	COG OPERATING LLC	Oil	46309
42-329-38887	COG OPERATING LLC	Oil	46309
42-329-38888	COG OPERATING LLC	Oil	46309
42-329-38889	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-38890	ENDEAVOR ENERGY RESOURCES L.P.	Oil	06652
42-329-38891	OVINTIV USA INC.	Oil	45749
42-329-38892	OVINTIV USA INC.	Oil	39896
42-329-38893	DISCOVERY OPERATING, INC.	Oil	36561
42-329-38894	RESOLUTE NATURAL RES. CO., LLC
42-329-38895	COG OPERATING LLC	Oil	41440
42-329-38896	OVINTIV USA INC.	Oil	35175
42-329-38897	OVINTIV USA INC.	Oil	39911
42-329-38898	Legacy Reserves Operating LP	Oil	45793
42-329-38899	Legacy Reserves Operating LP	Oil	45793
42-329-38900	DIAMONDBACK E&P LLC	Oil	39560
42-329-38901	DIAMONDBACK E&P LLC	Oil	39560
42-329-38902	ENDEAVOR ENERGY RESOURCES L.P.	Oil	42830
42-329-38903	CROWNQUEST OPERATING, LLC	Oil	45008
42-329-38904	ENDEAVOR ENERGY RESOURCES L.P.	Oil	42830
42-329-38905	HENRY RESOURCES LLC	Oil	44965
42-329-38906	OVINTIV USA INC.	Oil	47001
42-329-38907	DE3 OPERATING LLC	Oil	46297
42-329-38908	ENDEAVOR ENERGY RESOURCES L.P.	Oil	43676
42-329-38909	ENDEAVOR ENERGY RESOURCES L.P.	Oil	45095
42-329-38910	ENDEAVOR ENERGY RESOURCES L.P.	Oil	45095
42-329-38911	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-38912	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-38913	HENRY RESOURCES LLC	Oil	44965
42-329-38914	HENRY RESOURCES LLC	Oil	44965
42-329-38915	HENRY RESOURCES LLC	Oil	44965
42-329-38916	HENRY RESOURCES LLC	Oil	44965
42-329-38917	HENRY RESOURCES LLC	Oil	44965
42-329-38918	HENRY RESOURCES LLC	Oil	44965
42-329-38919	HENRY RESOURCES LLC	Oil	44965
42-329-38920	HENRY RESOURCES LLC	Oil	44965
42-329-38921	HENRY RESOURCES LLC	Oil	44965
42-329-38922	OXY USA WTP LP	Oil	34635
42-329-38923	PARSLEY ENERGY OPERATIONS, LLC	Oil	45858
42-329-38924	PARSLEY ENERGY OPERATIONS, LLC	Oil	45858
42-329-38925	PIONEER NATURAL RES. USA, INC.	Oil	44909
42-329-38926	OXY USA WTP LP	Oil	34635
42-329-38927	PIONEER NATURAL RES. USA, INC.	Oil	38406
42-329-38928	RBJ & ASSOCIATES, LLC	Oil	45871
42-329-38929	COG OPERATING LLC	Oil	17154
42-329-38930	PIONEER NATURAL RES. USA, INC.	Oil	32601
42-329-38931	XTO ENERGY INC.	Oil	33404
42-329-38932	PIONEER NATURAL RES. USA, INC.	Oil	44988
42-329-38933	OXY USA WTP LP	Oil	34635
42-329-38934	ENDEAVOR ENERGY RESOURCES L.P.	Oil	06652
42-329-38935	PARSLEY ENERGY OPERATIONS, LLC	Oil	18959
42-329-38936	PIONEER NATURAL RES. USA, INC.	Oil	23961
42-329-38937	CHEVRON U. S. A. INC.	Oil	45032
42-329-38938	COG OPERATING LLC	Oil	17154
42-329-38939	COG OPERATING LLC	Oil	29388
42-329-38940	COG OPERATING LLC	Oil	29388
42-329-38941	COG OPERATING LLC	Oil	46174
42-329-38942	ENDEAVOR ENERGY RESOURCES L.P.	Oil	45663
42-329-38943	CALLON PETROLEUM OPERATING CO	Oil	38962
42-329-38944	CALLON PETROLEUM OPERATING CO
42-329-38945	OXY USA WTP LP	Oil	34635
42-329-38946	DE3 OPERATING LLC	Oil	43618
42-329-38947	COG OPERATING LLC	Oil	17154
42-329-38948	DIAMONDBACK E&P LLC	Oil	47475
42-329-38949	COG OPERATING LLC	Oil	46174
42-329-38950	OCCIDENTAL PERMIAN LTD.
42-329-38951	PIONEER NATURAL RES. USA, INC.	Oil	35411
42-329-38952	PIONEER NATURAL RES. USA, INC.	Oil	35411
42-329-38953	PIONEER NATURAL RES. USA, INC.	Oil	35411
42-329-38954	COG OPERATING LLC
42-329-38955	ENDEAVOR ENERGY RESOURCES L.P.	Oil	43442
42-329-38956	PIONEER NATURAL RES. USA, INC.	Oil	37473
42-329-38957	DIAMONDBACK E&P LLC	Oil	41340
42-329-38958	CROWNQUEST OPERATING, LLC	Oil	44347
42-329-38959	ENDEAVOR ENERGY RESOURCES L.P.	Oil	45419
42-329-38960	DIAMONDBACK E&P LLC	Oil	40653
42-329-38961	DIAMONDBACK E&P LLC	Oil	40653
42-329-38962	OXY USA WTP LP	Oil	34635
42-329-38963	CROWNQUEST OPERATING, LLC	Oil	44347
42-329-38964	PARSLEY ENERGY OPERATIONS, LLC	Oil	32458
42-329-38965	OVINTIV USA INC.	Oil	39917
42-329-38966	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36994
42-329-38967	BIRCH OPERATIONS, INC.	Oil	46622
42-329-38968	CROWNQUEST OPERATING, LLC	Oil	44329
42-329-38969	PIONEER NATURAL RES. USA, INC.	Oil	06451
42-329-38970	CROWNQUEST OPERATING, LLC	Oil	44329
42-329-38971	CROWNQUEST OPERATING, LLC	Oil	44329
42-329-38972	PIONEER NATURAL RES. USA, INC.	Oil	37455
42-329-38973	CHEVRON U. S. A. INC.	Oil	43259
42-329-38974	CHEVRON U. S. A. INC.	Oil	43259
42-329-38975	CHEVRON U. S. A. INC.	Oil	43259
42-329-38976	CHEVRON U. S. A. INC.	Oil	43259
42-329-38977	CHEVRON U. S. A. INC.	Oil	43259
42-329-38978	CHEVRON U. S. A. INC.	Oil	43259
42-329-38979	CHEVRON U. S. A. INC.	Oil	43259
42-329-38980	CHEVRON U. S. A. INC.	Oil	43259
42-329-38981	CHEVRON U. S. A. INC.	Oil	43259
42-329-38982	COG OPERATING LLC	Oil	39630
42-329-38983	PIONEER NATURAL RES. USA, INC.	Oil	26381
42-329-38984	PIONEER NATURAL RES. USA, INC.	Oil	06451
42-329-38985	OXY USA WTP LP	Oil	34635
42-329-38986	COG OPERATING LLC	Oil	38844
42-329-38987	COG OPERATING LLC	Oil	38844
42-329-38988	COG OPERATING LLC	Oil	38844
42-329-38989	PIONEER NATURAL RES. USA, INC.	Oil	45141
42-329-38990	COG OPERATING LLC	Oil	38844
42-329-38991	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-38992	CHEVRON U. S. A. INC.	Oil	43259
42-329-38993	CHEVRON U. S. A. INC.	Oil	43259
42-329-38994	PARSLEY ENERGY OPERATIONS, LLC	Oil	45646
42-329-38995	PARSLEY ENERGY OPERATIONS, LLC	Oil	45646
42-329-38996	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-38997	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-38998	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-38999	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-39000	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-39001	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-39002	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-39003	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-39004	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36265
42-329-39005	OVINTIV USA INC.	Oil	35769
42-329-39006	OVINTIV USA INC.	Oil	52800
42-329-39007	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36994
42-329-39008	PIONEER NATURAL RES. USA, INC.	Oil	43967
42-329-39009	PIONEER NATURAL RES. USA, INC.
42-329-39010	PIONEER NATURAL RES. USA, INC.	Oil	06451
42-329-39011	DEVON ENERGY PRODUCTION CO, L.P.
42-329-39012	PIONEER NATURAL RES. USA, INC.
42-329-39013	PIONEER NATURAL RES. USA, INC.
42-329-39014	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36648
42-329-39015	DIAMONDBACK E&P LLC	Oil	39560
42-329-39016	DIAMONDBACK E&P LLC	Oil	39560
42-329-39017	DIAMONDBACK E&P LLC	Oil	47022
42-329-39018	DIAMONDBACK E&P LLC	Oil	47022
42-329-39019	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-39020	RSP PERMIAN, LLC	Oil	48103
42-329-39021	DIAMONDBACK E&P LLC
42-329-39022	RSP PERMIAN, LLC	Oil	46499
42-329-39023	RSP PERMIAN, LLC	Oil	46813
42-329-39024	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-39025	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36994
42-329-39026	CROWNQUEST OPERATING, LLC	Oil	44741
42-329-39027	DIAMONDBACK E&P LLC	Oil	41340
42-329-39028	DIAMONDBACK E&P LLC	Oil	41340
42-329-39029	COG OPERATING LLC	Oil	41895
42-329-39030	OVINTIV USA INC.	Oil	39905
42-329-39031	OXY USA WTP LP	Oil	34635
42-329-39032	OXY USA WTP LP
42-329-39033	OVINTIV USA INC.	Oil	39911
42-329-39034	PIONEER NATURAL RES. USA, INC.
42-329-39035	CHEVRON U. S. A. INC.	Oil	44361
42-329-39036	CHEVRON U. S. A. INC.	Oil	44361
42-329-39037	CHEVRON U. S. A. INC.	Oil	44361
42-329-39038	CHEVRON U. S. A. INC.	Oil	44361
42-329-39039	CALLON PETROLEUM OPERATING CO	Oil	41579
42-329-39040	CALLON PETROLEUM OPERATING CO	Oil	41579
42-329-39041	CALLON PETROLEUM OPERATING CO
42-329-39042	COG OPERATING LLC	Oil	45515
42-329-39043	PIONEER NATURAL RES. USA, INC.	Oil	26520
42-329-39044	OXY USA WTP LP	Oil	34635
42-329-39045	PIONEER NATURAL RES. USA, INC.
42-329-39046	ENDEAVOR ENERGY RESOURCES L.P.
42-329-39047	ENDEAVOR ENERGY RESOURCES L.P.	Oil	35520
42-329-39048	FASKEN OIL AND RANCH, LTD.	Oil	41192
42-329-39049	FASKEN OIL AND RANCH, LTD.	Oil	41192
42-329-39050	PIONEER NATURAL RES. USA, INC.	Oil	06451
42-329-39051	PIONEER NATURAL RES. USA, INC.	Oil	45294
42-329-39052	PIONEER NATURAL RES. USA, INC.	Oil	06451
42-329-39053	PIONEER NATURAL RES. USA, INC.	Oil	06451
42-329-39054	FASKEN OIL AND RANCH, LTD.	Oil	41192
42-329-39055	PARSLEY ENERGY OPERATIONS, LLC	Oil	45011
42-329-39056	DIAMONDBACK E&P LLC	Oil	39560
42-329-39057	DIAMONDBACK E&P LLC	Oil	39560
42-329-39058	COG OPERATING LLC	Oil	46986
42-329-39059	COG OPERATING LLC	Oil	46986
42-329-39060	COG OPERATING LLC	Oil	46986
42-329-39061	OVINTIV USA INC.	Oil	35488
42-329-39062	PIONEER NATURAL RES. USA, INC.	Oil	06451
42-329-39063	PIONEER NATURAL RES. USA, INC.	Oil	06451
42-329-39064	COG OPERATING LLC	Oil	38844
42-329-39065	PIONEER NATURAL RES. USA, INC.	Oil	06451
42-329-39066	PIONEER NATURAL RES. USA, INC.
42-329-39067	CHEVRON U. S. A. INC.	Oil	53701
42-329-39068	PIONEER NATURAL RES. USA, INC.	Oil	06451
42-329-39069	PIONEER NATURAL RES. USA, INC.	Oil	06451
42-329-39070	CHEVRON U. S. A. INC.	Oil	43259
42-329-39071	FASKEN OIL AND RANCH, LTD.
42-329-39072	FASKEN OIL AND RANCH, LTD.	Oil	41192
42-329-39073	COG OPERATING LLC	Oil	46986
42-329-39074	COG OPERATING LLC
42-329-39075	OVINTIV USA INC.	Oil	39918
42-329-39076	OVINTIV USA INC.	Oil	44918
42-329-39077	CHEVRON U. S. A. INC.	Oil	43259
42-329-39078	CHEVRON U. S. A. INC.	Oil	53701
42-329-39079	CHEVRON U. S. A. INC.	Oil	43259
42-329-39080	PIONEER NATURAL RES. USA, INC.	Oil	06451
42-329-39081	CHEVRON U. S. A. INC.	Oil	43259
42-329-39082	BIRCH OPERATIONS, INC.	Oil	41435
42-329-39083	PIONEER NATURAL RES. USA, INC.	Oil	06451
42-329-39084	PIONEER NATURAL RES. USA, INC.	Oil	06451
42-329-39085	PIONEER NATURAL RES. USA, INC.	Oil	34142
42-329-39086	DIAMONDBACK E&P LLC	Oil	40653
42-329-39087	DIAMONDBACK E&P LLC	Oil	40653
42-329-39088	COG OPERATING LLC	Oil	17154
42-329-39089	XTO ENERGY INC.	Oil	33404
42-329-39090	FASKEN OIL AND RANCH, LTD.	Oil	41192
42-329-39091	FASKEN OIL AND RANCH, LTD.	Oil	41192
42-329-39092	FASKEN OIL AND RANCH, LTD.	Oil	41192
42-329-39093	DIAMONDBACK E&P LLC	Oil	41340
42-329-39094	DE3 OPERATING LLC	Oil	22513
42-329-39095	DE3 OPERATING LLC	Oil	22513
42-329-39096	XTO ENERGY INC.	Oil	45329
42-329-39097	ENDEAVOR ENERGY RESOURCES L.P.	Oil	45614
42-329-39098	RESOLUTE NATURAL RES. CO., LLC
42-329-39099	ENDEAVOR ENERGY RESOURCES L.P.	Oil	38759
42-329-39100	PIONEER NATURAL RES. USA, INC.	Oil	26086
42-329-39101	CROWNQUEST OPERATING, LLC	Oil	44513
42-329-39102	FASKEN OIL AND RANCH, LTD.	Oil	45317
42-329-39103	FASKEN OIL AND RANCH, LTD.	Oil	45317
42-329-39104	FASKEN OIL AND RANCH, LTD.	Oil	45317
42-329-39105	COG OPERATING LLC	Oil	39630
42-329-39106	PIONEER NATURAL RES. USA, INC.	Oil	37359
42-329-39107	PIONEER NATURAL RES. USA, INC.	Oil	37455
42-329-39108	CROWNQUEST OPERATING, LLC	Oil	25586
42-329-39109	ENDEAVOR ENERGY RESOURCES L.P.	Oil	38759
42-329-39110	CALLON PETROLEUM OPERATING CO	Oil	47065
42-329-39111	CROWNQUEST OPERATING, LLC	Oil	50329
42-329-39112	COG OPERATING LLC	Oil	38844
42-329-39113	CROWNQUEST OPERATING, LLC	Oil	50283
42-329-39114	COG OPERATING LLC	Oil	38844
42-329-39115	COG OPERATING LLC	Oil	38844
42-329-39116	ENDEAVOR ENERGY RESOURCES L.P.	Oil	43676
42-329-39117	PIONEER NATURAL RES. USA, INC.	Oil	32601
42-329-39118	COG OPERATING LLC	Oil	40039
42-329-39119	OVINTIV USA INC.	Oil	35490
42-329-39120	PIONEER NATURAL RES. USA, INC.	Oil	33957
42-329-39121	PIONEER NATURAL RES. USA, INC.	Oil	37711
42-329-39122	OCCIDENTAL PERMIAN LTD.
42-329-39123	OVINTIV USA INC.	Oil	35551
42-329-39124	PIONEER NATURAL RES. USA, INC.	Oil	45524
42-329-39125	FASKEN OIL AND RANCH, LTD.	Oil	41192
42-329-39126	CALLON PETROLEUM OPERATING CO	Oil	46827
42-329-39127	COG OPERATING LLC	Oil	41704
42-329-39128	COG OPERATING LLC	Oil	41704
42-329-39129	XTO ENERGY INC.
42-329-39130	XTO ENERGY INC.	Oil	45772
42-329-39131	ENDEAVOR ENERGY RESOURCES L.P.	Oil	06499
42-329-39132	PIONEER NATURAL RES. USA, INC.	Oil	34142
42-329-39133	OVINTIV USA INC.	Oil	44966
42-329-39134	RESOLUTE NATURAL RES. CO., LLC
42-329-39135	RESOLUTE NATURAL RES. CO., LLC
42-329-39136	DIAMONDBACK E&P LLC	Oil	40653
42-329-39137	BAM PERMIAN OPERATING, LLC	Oil	45406
42-329-39138	PARSLEY ENERGY OPERATIONS, LLC
42-329-39139	DISCOVERY OPERATING, INC.	Oil	37639
42-329-39140	COG OPERATING LLC	Oil	53121
42-329-39141	COG OPERATING LLC	Oil	53121
42-329-39142	COG OPERATING LLC	Oil	46740
42-329-39143	COG OPERATING LLC	Oil	46740
42-329-39144	CHEVRON U. S. A. INC.	Oil	44768
42-329-39145	CHEVRON U. S. A. INC.	Oil	44768
42-329-39146	CHEVRON U. S. A. INC.	Oil	44768
42-329-39147	CHEVRON U. S. A. INC.	Oil	44768
42-329-39148	CHEVRON U. S. A. INC.	Oil	44768
42-329-39149	PIONEER NATURAL RES. USA, INC.	Oil	45316
42-329-39150	OXY USA WTP LP	Oil	34635
42-329-39151	PIONEER NATURAL RES. USA, INC.	Oil	34142
42-329-39152	MIDENERGY OPERATING, LLC
42-329-39153	XTO ENERGY INC.	Oil	39040
42-329-39154	ATHLON HOLDINGS LP
42-329-39155	COG OPERATING LLC	Oil	41440
42-329-39156	RSP PERMIAN, LLC
42-329-39157	PARSLEY ENERGY OPERATIONS, LLC
42-329-39158	PIONEER NATURAL RES. USA, INC.	Oil	30305
42-329-39159	COG OPERATING LLC	Oil	41934
42-329-39160	COG OPERATING LLC	Oil	41934
42-329-39161	RSP PERMIAN, LLC
42-329-39162	PIONEER NATURAL RES. USA, INC.	Oil	37616
42-329-39163	PIONEER NATURAL RES. USA, INC.	Oil	37616
42-329-39164	PIONEER NATURAL RES. USA, INC.	Oil	37616
42-329-39165	PIONEER NATURAL RES. USA, INC.	Oil	37616
42-329-39166	PIONEER NATURAL RES. USA, INC.	Oil	37616
42-329-39167	COG OPERATING LLC	Oil	38844
42-329-39168	RSP PERMIAN, LLC
42-329-39169	COG OPERATING LLC	Oil	38844
42-329-39170	COG OPERATING LLC	Oil	38844
42-329-39171	PIONEER NATURAL RES. USA, INC.	Oil	37616
42-329-39172	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-39173	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-39174	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-39175	FASKEN OIL AND RANCH, LTD.	Oil	45317
42-329-39176	FASKEN OIL AND RANCH, LTD.	Oil	41192
42-329-39177	DIAMONDBACK E&P LLC	Oil	39560
42-329-39178	DIAMONDBACK E&P LLC	Oil	39560
42-329-39179	DISCOVERY OPERATING, INC.	Oil	36874
42-329-39182	PIONEER NATURAL RES. USA, INC.	Oil	31962
42-329-39183	PIONEER NATURAL RES. USA, INC.	Oil	45533
42-329-39184	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36648
42-329-39185	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36648
42-329-39186	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-39187	OVINTIV USA INC.	Oil	35769
42-329-39188	DIAMONDBACK E&P LLC	Oil	39560
42-329-39189	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-39190	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-39191	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-39192	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-39193	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-39194	OVINTIV USA INC.	Oil	46777
42-329-39195	CHEVRON U. S. A. INC.	Oil	40383
42-329-39196	CHEVRON U. S. A. INC.	Oil	40383
42-329-39197	CHEVRON U. S. A. INC.	Oil	40383
42-329-39198	CHEVRON U. S. A. INC.	Oil	40383
42-329-39199	CHEVRON U. S. A. INC.	Oil	40383
42-329-39200	CHEVRON U. S. A. INC.	Oil	40383
42-329-39201	CHEVRON U. S. A. INC.	Oil	40383
42-329-39202	CHEVRON U. S. A. INC.	Oil	40383
42-329-39203	CHEVRON U. S. A. INC.	Oil	40383
42-329-39204	CHEVRON U. S. A. INC.	Oil	40383
42-329-39205	DIAMONDBACK E&P LLC	Oil	39560
42-329-39206	PIONEER NATURAL RES. USA, INC.	Oil	45791
42-329-39207	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36648
42-329-39208	DISCOVERY OPERATING, INC.	Oil	36655
42-329-39209	PIONEER NATURAL RES. USA, INC.	Oil	38406
42-329-39210	XTO ENERGY INC.	Oil	32973
42-329-39211	ATHLON HOLDINGS LP
42-329-39212	CHEVRON U. S. A. INC.	Oil	43259
42-329-39213	CHEVRON U. S. A. INC.	Oil	43259
42-329-39214	CHEVRON U. S. A. INC.	Oil	43259
42-329-39215	CHEVRON U. S. A. INC.	Oil	43259
42-329-39216	CHEVRON U. S. A. INC.	Oil	43259
42-329-39217	CHEVRON U. S. A. INC.	Oil	43259
42-329-39218	CHEVRON U. S. A. INC.	Oil	43259
42-329-39219	CHEVRON U. S. A. INC.	Oil	43259
42-329-39220	CHEVRON U. S. A. INC.	Oil	43259
42-329-39221	CHEVRON U. S. A. INC.	Oil	43259
42-329-39222	CHEVRON U. S. A. INC.	Oil	43259
42-329-39223	CHEVRON U. S. A. INC.	Oil	43259
42-329-39224	CHEVRON U. S. A. INC.	Oil	43259
42-329-39225	CHEVRON U. S. A. INC.	Oil	43259
42-329-39226	CHEVRON U. S. A. INC.	Oil	43259
42-329-39227	ENDEAVOR ENERGY RESOURCES L.P.	Oil	45576
42-329-39228	ENDEAVOR ENERGY RESOURCES L.P.	Oil	34401
42-329-39229	DIAMONDBACK E&P LLC	Oil	40653
42-329-39230	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36648
42-329-39231	DIAMONDBACK E&P LLC	Oil	39560
42-329-39232	DIAMONDBACK E&P LLC	Oil	39560
42-329-39233	XTO ENERGY INC.	Oil	32336
42-329-39234	DIAMONDBACK E&P LLC	Oil	40653
42-329-39235	XTO ENERGY INC.	Oil	32336
42-329-39236	PARSLEY ENERGY OPERATIONS, LLC	Oil	45846
42-329-39237	OCCIDENTAL PERMIAN LTD.
42-329-39239	PIONEER NATURAL RES. USA, INC.	Oil	37473
42-329-39240	PARSLEY ENERGY OPERATIONS, LLC	Oil	47259
42-329-39241	PARSLEY ENERGY OPERATIONS, LLC
42-329-39242	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-39243	DIAMONDBACK E&P LLC	Oil	39560
42-329-39244	XTO ENERGY INC.	Oil	39040
42-329-39245	PARSLEY ENERGY OPERATIONS, LLC
42-329-39246	PIONEER NATURAL RES. USA, INC.	Oil	37711
42-329-39247	FASKEN OIL AND RANCH, LTD.	Oil	45317
42-329-39248	FASKEN OIL AND RANCH, LTD.	Oil	45317
42-329-39249	DIAMONDBACK E&P LLC	Oil	45236
42-329-39250	FASKEN OIL AND RANCH, LTD.	Oil	41192
42-329-39251	FASKEN OIL AND RANCH, LTD.	Oil	41192
42-329-39252	FASKEN OIL AND RANCH, LTD.	Oil	41192
42-329-39253	FASKEN OIL AND RANCH, LTD.	Oil	41192
42-329-39254	FASKEN OIL AND RANCH, LTD.	Oil	41192
42-329-39255	FASKEN OIL AND RANCH, LTD.	Oil	41192
42-329-39256	FASKEN OIL AND RANCH, LTD.	Oil	41192
42-329-39257	DIAMONDBACK E&P LLC	Oil	45236
42-329-39258	OVINTIV USA INC.	Oil	39922
42-329-39259	DIAMONDBACK E&P LLC	Oil	46306
42-329-39260	JM COX RESOURCES, L.P.
42-329-39261	DIAMONDBACK E&P LLC	Oil	39560
42-329-39262	E.G.L. RESOURCES, INC.	Oil	45747
42-329-39263	PIONEER NATURAL RES. USA, INC.	Oil	26381
42-329-39264	RESOLUTE NATURAL RES. CO., LLC
42-329-39265	RESOLUTE NATURAL RES. CO., LLC
42-329-39266	DES DESERT ENERGY SERVICES LLC
42-329-39267	PIONEER NATURAL RES. USA, INC.	Oil	45951
42-329-39268	CROWNQUEST OPERATING, LLC	Oil	44329
42-329-39269	CROWNQUEST OPERATING, LLC	Oil	44329
42-329-39270	CROWNQUEST OPERATING, LLC	Oil	44329
42-329-39271	PIONEER NATURAL RES. USA, INC.	Oil	46061
42-329-39272	PIONEER NATURAL RES. USA, INC.	Oil	46059
42-329-39273	PIONEER NATURAL RES. USA, INC.	Oil	46075
42-329-39274	PIONEER NATURAL RES. USA, INC.	Oil	34142
42-329-39275	PIONEER NATURAL RES. USA, INC.	Oil	34142
42-329-39276	PIONEER NATURAL RES. USA, INC.
42-329-39277	OVINTIV USA INC.	Oil	45749
42-329-39278	DIAMONDBACK E&P LLC	Oil	43016
42-329-39280	ENDEAVOR ENERGY RESOURCES L.P.	Oil	45300
42-329-39281	ENDEAVOR ENERGY RESOURCES L.P.	Oil	45300
42-329-39282	ENDEAVOR ENERGY RESOURCES L.P.	Oil	45300
42-329-39283	CROWNQUEST OPERATING, LLC	Oil	44329
42-329-39284	ENDEAVOR ENERGY RESOURCES L.P.	Oil	45300
42-329-39285	PIONEER NATURAL RES. USA, INC.
42-329-39286	DIAMONDBACK E&P LLC	Oil	41364
42-329-39287	ENDEAVOR ENERGY RESOURCES L.P.	Oil	45300
42-329-39288	ENDEAVOR ENERGY RESOURCES L.P.	Oil	45300
42-329-39289	DE3 OPERATING LLC	Oil	46297
42-329-39290	DE3 OPERATING LLC	Oil	46297
42-329-39291	PIONEER NATURAL RES. USA, INC.	Oil	33015
42-329-39292	PIONEER NATURAL RES. USA, INC.	Oil	30973
42-329-39293	DE3 OPERATING LLC	Oil	36456
42-329-39294	DIAMONDBACK E&P LLC
42-329-39295	DIAMONDBACK E&P LLC	Oil	46348
42-329-39296	OCCIDENTAL PERMIAN LTD.
42-329-39297	OCCIDENTAL PERMIAN LTD.	Oil	40691
42-329-39298	XTO ENERGY INC.	Oil	32455
42-329-39299	BERRY OIL COMP.
42-329-39300	OVINTIV USA INC.	Oil	35822
42-329-39301	XTO ENERGY INC.	Oil	39040
42-329-39302	COG OPERATING LLC	Oil	38844
42-329-39303	COG OPERATING LLC	Oil	38844
42-329-39304	FASKEN OIL AND RANCH, LTD.	Oil	45317
42-329-39305	COG OPERATING LLC	Oil	39630
42-329-39306	DIAMONDBACK E&P LLC	Oil	43016
42-329-39307	DIAMONDBACK E&P LLC	Oil	39560
42-329-39308	PIONEER NATURAL RES. USA, INC.
42-329-39309	DIAMONDBACK E&P LLC	Oil	39560
42-329-39310	FASKEN OIL AND RANCH, LTD.	Oil	45317
42-329-39311	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-39312	SOLARIS WATER MIDSTREAM, LLC	Oil	41827
42-329-39313	OVINTIV USA INC.	Oil	35749
42-329-39314	DIAMONDBACK E&P LLC	Oil	41340
42-329-39315	COG OPERATING LLC	Oil	39630
42-329-39316	DIAMONDBACK E&P LLC	Oil	41340
42-329-39317	DIAMONDBACK E&P LLC	Oil	40653
42-329-39318	DIAMONDBACK E&P LLC	Oil	40653
42-329-39319	DIAMONDBACK E&P LLC	Oil	40653
42-329-39320	BC Operating, Inc.
42-329-39321	OVINTIV USA INC.	Oil	35700
42-329-39322	ENDEAVOR ENERGY RESOURCES L.P.	Oil	06652
42-329-39323	XTO ENERGY INC.	Oil	39040
42-329-39324	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-39325	CROWNQUEST OPERATING, LLC	Oil	44741
42-329-39326	PIONEER NATURAL RES. USA, INC.	Oil	43967
42-329-39327	CROWNQUEST OPERATING, LLC	Oil	44741
42-329-39328	CROWNQUEST OPERATING, LLC	Oil	44741
42-329-39329	CROWNQUEST OPERATING, LLC	Oil	44741
42-329-39330	CHEVRON U. S. A. INC.	Oil	40383
42-329-39331	CHEVRON U. S. A. INC.	Oil	40383
42-329-39332	PIONEER NATURAL RES. USA, INC.	Oil	43967
42-329-39333	DIAMONDBACK E&P LLC	Oil	39560
42-329-39334	DIAMONDBACK E&P LLC	Oil	39560
42-329-39335	ENDEAVOR ENERGY RESOURCES L.P.	Oil	06652
42-329-39336	Apache Corporation	Oil	35552
42-329-39337	ENDEAVOR ENERGY RESOURCES L.P.	Oil	06652
42-329-39338	Apache Corporation	Oil	35623
42-329-39339	PARSLEY ENERGY OPERATIONS, LLC
42-329-39340	PIONEER NATURAL RES. USA, INC.	Oil	43967
42-329-39341	DIAMONDBACK E&P LLC
42-329-39342	HENRY RESOURCES LLC	Oil	44965
42-329-39343	XTO ENERGY INC.
42-329-39344	DIAMONDBACK E&P LLC	Oil	39560
42-329-39345	DIAMONDBACK E&P LLC	Oil	39560
42-329-39346	DIAMONDBACK E&P LLC	Oil	39560
42-329-39347	HENRY RESOURCES LLC	Oil	44965
42-329-39348	HENRY RESOURCES LLC	Oil	44965
42-329-39349	HENRY RESOURCES LLC	Oil	44965
42-329-39350	Apache Corporation	Oil	18804
42-329-39351	XTO ENERGY INC.	Oil	45998
42-329-39352	FASKEN OIL AND RANCH, LTD.	Oil	45317
42-329-39353	FASKEN OIL AND RANCH, LTD.	Oil	45317
42-329-39354	FASKEN OIL AND RANCH, LTD.	Oil	45317
42-329-39355	XTO ENERGY INC.	Oil	45998
42-329-39356	FASKEN OIL AND RANCH, LTD.	Oil	45317
42-329-39357	FASKEN OIL AND RANCH, LTD.	Oil	45317
42-329-39358	FASKEN OIL AND RANCH, LTD.	Oil	45317
42-329-39359	ATHLON HOLDINGS LP
42-329-39360	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-39361	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-39362	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-39363	PIONEER NATURAL RES. USA, INC.	Oil	46907
42-329-39364	DIAMONDBACK E&P LLC
42-329-39365	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-39366	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-39367	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-39368	PIONEER NATURAL RES. USA, INC.	Oil	45524
42-329-39369	PIONEER NATURAL RES. USA, INC.	Oil	46907
42-329-39370	PIONEER NATURAL RES. USA, INC.	Oil	26520
42-329-39371	PIONEER NATURAL RES. USA, INC.	Oil	46907
42-329-39372	DIAMONDBACK E&P LLC	Oil	46460
42-329-39373	PIONEER NATURAL RES. USA, INC.	Oil	37616
42-329-39374	XTO ENERGY INC.
42-329-39375	XTO ENERGY INC.	Oil	45329
42-329-39376	CHEVRON U. S. A. INC.	Oil	43259
42-329-39377	CHEVRON U. S. A. INC.	Oil	53701
42-329-39378	CHEVRON U. S. A. INC.	Oil	43259
42-329-39379	CHEVRON U. S. A. INC.	Oil	53701
42-329-39380	CHEVRON U. S. A. INC.	Oil	43259
42-329-39381	OVINTIV USA INC.	Oil	35820
42-329-39382	DIAMONDBACK E&P LLC	Oil	47045
42-329-39383	OVINTIV USA INC.	Oil	35734
42-329-39384	DE3 OPERATING LLC	Oil	46297
42-329-39385	CHEVRON U. S. A. INC.	Oil	43259
42-329-39386	XTO ENERGY INC.
42-329-39387	XTO ENERGY INC.
42-329-39388	XTO ENERGY INC.	Oil	45998
42-329-39389	XTO ENERGY INC.
42-329-39390	XTO ENERGY INC.
42-329-39391	XTO ENERGY INC.
42-329-39392	PIONEER NATURAL RES. USA, INC.	Oil	45294
42-329-39393	Apache Corporation	Oil	34421
42-329-39394	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-39395	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-39396	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-39397	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-39398	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-39399	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-39400
42-329-39401	CALLON PETROLEUM OPERATING CO	Oil	38807
42-329-39402	XTO ENERGY INC.	Oil	45392
42-329-39403	OVINTIV USA INC.	Oil	44409
42-329-39404	PIONEER NATURAL RES. USA, INC.	Oil	46162
42-329-39405	PIONEER NATURAL RES. USA, INC.	Oil	46162
42-329-39406	PARSLEY ENERGY OPERATIONS, LLC	Oil	45858
42-329-39407	PARSLEY ENERGY OPERATIONS, LLC	Oil	45681
42-329-39408	PIONEER NATURAL RES. USA, INC.	Oil	46263
42-329-39409	PIONEER NATURAL RES. USA, INC.	Oil	46263
42-329-39410	PIONEER NATURAL RES. USA, INC.	Oil	46263
42-329-39411	DIAMONDBACK E&P LLC	Oil	47212
42-329-39412	Legacy Reserves Operating LP	Oil	45658
42-329-39413	XTO ENERGY INC.	Oil	45856
42-329-39414	CHEVRON U. S. A. INC.	Oil	46358
42-329-39415	DE3 OPERATING LLC	Oil	36456
42-329-39416	TRINITY ENVIRONMENTAL SWD,L.L.C	Oil	47541
42-329-39417	DIAMONDBACK E&P LLC	Oil	46988
42-329-39418	CALLON PETROLEUM OPERATING CO	Oil	46421
42-329-39419	PIONEER NATURAL RES. USA, INC.	Oil	30384
42-329-39420	CROWNQUEST OPERATING, LLC
42-329-39421	CHEVRON U. S. A. INC.	Oil	46042
42-329-39422	CALLON PETROLEUM OPERATING CO	Oil	46160
42-329-39423	PIONEER NATURAL RES. USA, INC.	Oil	31748
42-329-39424	OVINTIV USA INC.	Oil	35664
42-329-39425	ENDEAVOR ENERGY RESOURCES L.P.	Oil	43676
42-329-39427	PARSLEY ENERGY OPERATIONS, LLC
42-329-39428	CALLON PETROLEUM OPERATING CO	Oil	46421
42-329-39430	DIAMONDBACK E&P LLC	Oil	47215
42-329-39431	COG OPERATING LLC	Oil	39630
42-329-39432	PIONEER NATURAL RES. USA, INC.	Oil	32895
42-329-39433	DIAMONDBACK E&P LLC
42-329-39434	OVINTIV USA INC.	Oil	35664
42-329-39435	HIGH SKY PARTNERS LLC
42-329-39437	ENDEAVOR ENERGY RESOURCES L.P.	Oil	06652
42-329-39438	COG OPERATING LLC	Oil	39630
42-329-39439	ENDEAVOR ENERGY RESOURCES L.P.	Oil	06652
42-329-39440	DIAMONDBACK E&P LLC	Oil	41340
42-329-39441	Hunt Oil Company	Oil	46801
42-329-39442	OVINTIV USA INC.	Oil	35327
42-329-39443	OVINTIV USA INC.	Oil	39914
42-329-39444	DIAMONDBACK E&P LLC	Oil	41340
42-329-39445	OVINTIV USA INC.	Oil	39931
42-329-39446	OVINTIV USA INC.	Oil	45922
42-329-39447	COG OPERATING LLC	Oil	41440
42-329-39448	HIGH SKY PARTNERS LLC
42-329-39449	COG OPERATING LLC	Oil	39583
42-329-39450	PIONEER NATURAL RES. USA, INC.	Oil	44682
42-329-39451	OVINTIV USA INC.	Oil	46262
42-329-39452	PIONEER NATURAL RES. USA, INC.	Oil	31078
42-329-39453	PIONEER NATURAL RES. USA, INC.	Oil	29034
42-329-39454	PIONEER NATURAL RES. USA, INC.	Oil	30910
42-329-39455	CHEVRON U. S. A. INC.	Oil	43259
42-329-39456	CHEVRON U. S. A. INC.	Oil	43259
42-329-39457	CROWNQUEST OPERATING, LLC	Oil	45900
42-329-39458	DIAMONDBACK E&P LLC
42-329-39459	DIAMONDBACK E&P LLC
42-329-39460	PIONEER NATURAL RES. USA, INC.	Oil	06451
42-329-39461	XTO ENERGY INC.
42-329-39462	XTO ENERGY INC.
42-329-39463	DIAMONDBACK E&P LLC	Oil	41340
42-329-39464	DIAMONDBACK E&P LLC	Oil	41340
42-329-39465	DIAMONDBACK E&P LLC	Oil	39560
42-329-39466	DIAMONDBACK E&P LLC	Oil	39560
42-329-39467	HENRY RESOURCES LLC	Oil	44965
42-329-39468	HENRY RESOURCES LLC
42-329-39469	HENRY RESOURCES LLC
42-329-39470	HENRY RESOURCES LLC
42-329-39471	HENRY RESOURCES LLC
42-329-39472	HENRY RESOURCES LLC	Oil	44965
42-329-39473	BERRY OIL COMP.
42-329-39474	PIONEER NATURAL RES. USA, INC.	Oil	37468
42-329-39475	XTO ENERGY INC.	Oil	44990
42-329-39476	PIONEER NATURAL RES. USA, INC.
42-329-39477	PIONEER NATURAL RES. USA, INC.	Oil	34142
42-329-39478	COG OPERATING LLC	Oil	27745
42-329-39479	PIONEER NATURAL RES. USA, INC.	Oil	26381
42-329-39480	OVINTIV USA INC.	Oil	46165
42-329-39481	ENDEAVOR ENERGY RESOURCES L.P.	Oil	06652
42-329-39482	CALLON PETROLEUM OPERATING CO	Oil	38873
42-329-39483	DIAMONDBACK E&P LLC	Oil	45236
42-329-39484	DIAMONDBACK E&P LLC	Oil	45236
42-329-39485	PIONEER NATURAL RES. USA, INC.	Oil	46106
42-329-39486	PIONEER NATURAL RES. USA, INC.	Oil	46106
42-329-39487	PIONEER NATURAL RES. USA, INC.
42-329-39488	PIONEER NATURAL RES. USA, INC.
42-329-39489	PIONEER NATURAL RES. USA, INC.
42-329-39490	BAM PERMIAN OPERATING, LLC	Oil	45966
42-329-39491	OXY USA WTP LP
42-329-39492	CHEVRON U. S. A. INC.	Oil	43735
42-329-39493	CHEVRON U. S. A. INC.	Oil	43735
42-329-39494	OVINTIV USA INC.	Oil	46776
42-329-39495	CHEVRON U. S. A. INC.	Oil	43735
42-329-39496	CHEVRON U. S. A. INC.	Oil	43735
42-329-39497	CHEVRON U. S. A. INC.	Oil	43735
42-329-39498	CHEVRON U. S. A. INC.	Oil	43735
42-329-39499	CHEVRON U. S. A. INC.	Oil	43735
42-329-39500	CHEVRON U. S. A. INC.	Oil	43735
42-329-39501	ATHLON HOLDINGS LP
42-329-39502	DIAMONDBACK E&P LLC	Oil	41340
42-329-39503	CROWNQUEST OPERATING, LLC	Oil	45921
42-329-39504	DIAMONDBACK E&P LLC	Oil	48072
42-329-39505	DIAMONDBACK E&P LLC	Oil	48071
42-329-39506	CROWNQUEST OPERATING, LLC	Oil	46016
42-329-39507	CROWNQUEST OPERATING, LLC	Oil	46102
42-329-39508	CROWNQUEST OPERATING, LLC	Oil	44329
42-329-39509	PIONEER NATURAL RES. USA, INC.	Oil	34142
42-329-39510	PIONEER NATURAL RES. USA, INC.
42-329-39511	PIONEER NATURAL RES. USA, INC.
42-329-39512	PARSLEY ENERGY OPERATIONS, LLC	Oil	46225
42-329-39513	PARSLEY ENERGY OPERATIONS, LLC	Oil	45949
42-329-39514	OVINTIV USA INC.	Oil	35468
42-329-39515	DIAMONDBACK E&P LLC	Oil	41340
42-329-39516	DIAMONDBACK E&P LLC	Oil	41340
42-329-39517	DIAMONDBACK E&P LLC	Oil	41340
42-329-39518	DIAMONDBACK E&P LLC	Oil	41340
42-329-39519	DIAMONDBACK E&P LLC	Oil	41340
42-329-39520	DIAMONDBACK E&P LLC	Oil	41340
42-329-39521	CROWNQUEST OPERATING, LLC
42-329-39522	CROWNQUEST OPERATING, LLC	Oil	46545
42-329-39523	CROWNQUEST OPERATING, LLC	Oil	46545
42-329-39524	CROWNQUEST OPERATING, LLC	Oil	46545
42-329-39525	CROWNQUEST OPERATING, LLC	Oil	45900
42-329-39526	PIONEER NATURAL RES. USA, INC.
42-329-39527	PIONEER NATURAL RES. USA, INC.	Oil	29183
42-329-39528	PIONEER NATURAL RES. USA, INC.
42-329-39529	RUGER PROPERTIES, LLC
42-329-39531	ATLAS PL MID-CONT. WESTTEX, LLC
42-329-39532	XTO ENERGY INC.	Oil	53831
42-329-39533	XTO ENERGY INC.	Oil	53900
42-329-39534	XTO ENERGY INC.	Oil	46343
42-329-39535	COG OPERATING LLC	Oil	17154
42-329-39536	OVINTIV USA INC.	Oil	46364
42-329-39537	CHEVRON U. S. A. INC.	Oil	46659
42-329-39538	XTO ENERGY INC.
42-329-39539	XTO ENERGY INC.
42-329-39540	CHEVRON U. S. A. INC.	Oil	46659
42-329-39541	CHEVRON U. S. A. INC.	Oil	46868
42-329-39542	CHEVRON U. S. A. INC.	Oil	46689
42-329-39543	BIRCH OPERATIONS, INC.	Oil	44004
42-329-39544	XTO ENERGY INC.	Oil	46018
42-329-39545	PIONEER NATURAL RES. USA, INC.	Oil	38406
42-329-39546	ENDEAVOR ENERGY RESOURCES L.P.
42-329-39547	PIONEER NATURAL RES. USA, INC.
42-329-39548	XTO ENERGY INC.	Oil	45329
42-329-39549	XTO ENERGY INC.
42-329-39550	DIAMONDBACK E&P LLC
42-329-39551	DIAMONDBACK E&P LLC
42-329-39552	OVINTIV USA INC.	Oil	46454
42-329-39553	XTO ENERGY INC.
42-329-39554	XTO ENERGY INC.
42-329-39555	XTO ENERGY INC.
42-329-39556	PIONEER NATURAL RES. USA, INC.	Oil	32041
42-329-39557	OVINTIV USA INC.	Oil	35664
42-329-39558	PIONEER NATURAL RES. USA, INC.	Oil	46328
42-329-39559	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-39560	CALLON PETROLEUM OPERATING CO	Oil	38873
42-329-39561	OVINTIV USA INC.	Oil	35743
42-329-39562	OXY USA WTP LP	Oil	34635
42-329-39563	OVINTIV USA INC.	Oil	46509
42-329-39564	PIONEER NATURAL RES. USA, INC.	Oil	46106
42-329-39565	PIONEER NATURAL RES. USA, INC.	Oil	46106
42-329-39566	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37475
42-329-39567	OXY USA WTP LP	Oil	34635
42-329-39568	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37475
42-329-39569	ENDEAVOR ENERGY RESOURCES L.P.
42-329-39570	XTO ENERGY INC.	Oil	18819
42-329-39571	BREITBURN OPERATING L.P.
42-329-39572	ENDEAVOR ENERGY RESOURCES L.P.
42-329-39573	PIONEER NATURAL RES. USA, INC.	Oil	46162
42-329-39574	XTO ENERGY INC.	Oil	18819
42-329-39575	RSP PERMIAN, LLC
42-329-39576	RSP PERMIAN, LLC
42-329-39577	RSP PERMIAN, LLC
42-329-39578	COG OPERATING LLC	Oil	45515
42-329-39579	PIONEER NATURAL RES. USA, INC.
42-329-39580	COG OPERATING LLC	Oil	45515
42-329-39581	RSP PERMIAN, LLC
42-329-39582	CROWNQUEST OPERATING, LLC	Oil	44329
42-329-39583	BAM PERMIAN OPERATING, LLC	Oil	45406
42-329-39584	BAM PERMIAN OPERATING, LLC	Oil	45406
42-329-39585	PARSLEY ENERGY OPERATIONS, LLC	Gas	280230
42-329-39586	DE3 OPERATING LLC	Oil	36456
42-329-39587	DE3 OPERATING LLC	Oil	30335
42-329-39588	PARSLEY ENERGY OPERATIONS, LLC	Oil	45646
42-329-39589	XTO ENERGY INC.	Oil	39040
42-329-39590	XTO ENERGY INC.	Oil	46343
42-329-39591	XTO ENERGY INC.	Oil	46343
42-329-39592	XTO ENERGY INC.	Oil	46343
42-329-39593	OVINTIV USA INC.	Oil	46662
42-329-39594	MIDLAND ENERGY, INC.
42-329-39595	XTO ENERGY INC.
42-329-39596	OVINTIV USA INC.	Oil	45922
42-329-39597	XTO ENERGY INC.
42-329-39598	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-39599	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-39600	XTO ENERGY INC.	Oil	46534
42-329-39601	Linn Operating, Inc.
42-329-39602	PARSLEY ENERGY OPERATIONS, LLC
42-329-39603	BAM PERMIAN OPERATING, LLC	Oil	46605
42-329-39604	OVINTIV USA INC.	Oil	35360
42-329-39605	PARSLEY ENERGY OPERATIONS, LLC	Oil	18988
42-329-39607	XTO ENERGY INC.	Oil	48949
42-329-39608	XTO ENERGY INC.	Oil	48949
42-329-39609	OVINTIV USA INC.	Oil	45749
42-329-39610	CROWNQUEST OPERATING, LLC	Oil	44329
42-329-39611	PIONEER NATURAL RES. USA, INC.
42-329-39612	NGL WATER SOLUTIONS PERMIAN, LLC	Oil	47028
42-329-39613	PARSLEY ENERGY OPERATIONS, LLC	Oil	46486
42-329-39614	BAM PERMIAN OPERATING, LLC	Oil	46422
42-329-39615	XTO ENERGY INC.	Oil	48949
42-329-39616	ATHLON HOLDINGS LP
42-329-39617	DE3 OPERATING LLC	Oil	33778
42-329-39618	Citation Oil & Gas Corp.	Oil	33622
42-329-39619	Citation Oil & Gas Corp.
42-329-39620	ATHLON HOLDINGS LP
42-329-39621	RSP PERMIAN, LLC
42-329-39622	RSP PERMIAN, LLC
42-329-39623	COG OPERATING LLC	Oil	39630
42-329-39624	ATHLON HOLDINGS LP
42-329-39625	PIONEER NATURAL RES. USA, INC.	Oil	31962
42-329-39626	XTO ENERGY INC.	Oil	32943
42-329-39627	PARSLEY ENERGY OPERATIONS, LLC
42-329-39628	ATHLON HOLDINGS LP
42-329-39629	XTO ENERGY INC.	Oil	18819
42-329-39630	XTO ENERGY INC.	Oil	18819
42-329-39631	XTO ENERGY INC.	Oil	18819
42-329-39632	XTO ENERGY INC.	Oil	18819
42-329-39633	XTO ENERGY INC.	Oil	47216
42-329-39634	XTO ENERGY INC.	Oil	47216
42-329-39635	XTO ENERGY INC.	Oil	47216
42-329-39636	XTO ENERGY INC.	Oil	47216
42-329-39637	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-39638	RSP PERMIAN, LLC
42-329-39639	RSP PERMIAN, LLC
42-329-39640	RSP PERMIAN, LLC
42-329-39641	PIONEER NATURAL RES. USA, INC.
42-329-39642	PIONEER NATURAL RES. USA, INC.
42-329-39643	PIONEER NATURAL RES. USA, INC.
42-329-39644	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-39645	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-39646	PIONEER NATURAL RES. USA, INC.
42-329-39647	PIONEER NATURAL RES. USA, INC.
42-329-39648	PIONEER NATURAL RES. USA, INC.
42-329-39649	ATHLON HOLDINGS LP
42-329-39650	PIONEER NATURAL RES. USA, INC.
42-329-39651	PIONEER NATURAL RES. USA, INC.	Oil	48794
42-329-39652	FDL OPERATING, LLC	Oil	48987
42-329-39653	PIONEER NATURAL RES. USA, INC.	Oil	47717
42-329-39654	PIONEER NATURAL RES. USA, INC.	Oil	46106
42-329-39655	PIONEER NATURAL RES. USA, INC.	Oil	48011
42-329-39656	OVINTIV USA INC.	Oil	39914
42-329-39657	BAM PERMIAN OPERATING, LLC	Oil	46613
42-329-39658	ATHLON HOLDINGS LP
42-329-39659	XTO ENERGY INC.
42-329-39660	XTO ENERGY INC.
42-329-39661	CHEVRON U. S. A. INC.	Oil	47164
42-329-39662	PIONEER NATURAL RES. USA, INC.	Oil	37738
42-329-39663	XTO ENERGY INC.	Oil	54292
42-329-39664	ATHLON HOLDINGS LP
42-329-39665	CALLON PETROLEUM OPERATING CO	Oil	46555
42-329-39666	CHEVRON U. S. A. INC.	Oil	47164
42-329-39667	CHEVRON U. S. A. INC.	Oil	43259
42-329-39668	CHEVRON U. S. A. INC.	Oil	43259
42-329-39669	CHEVRON U. S. A. INC.	Oil	43259
42-329-39670	CHEVRON U. S. A. INC.	Oil	43259
42-329-39671	CHEVRON U. S. A. INC.	Oil	43259
42-329-39672	RSP PERMIAN, LLC
42-329-39673	CHEVRON U. S. A. INC.	Oil	43259
42-329-39674	XTO ENERGY INC.	Oil	54292
42-329-39675	RSP PERMIAN, LLC
42-329-39676	RSP PERMIAN, LLC
42-329-39677	CHEVRON U. S. A. INC.	Oil	43259
42-329-39678	XTO ENERGY INC.	Oil	54292
42-329-39679	XTO ENERGY INC.	Oil	54292
42-329-39680	CHEVRON U. S. A. INC.	Oil	43259
42-329-39681	CALLON PETROLEUM OPERATING CO	Oil	46555
42-329-39682	CHEVRON U. S. A. INC.	Oil	44361
42-329-39683	Apache Corporation	Oil	47427
42-329-39684	CHEVRON U. S. A. INC.	Oil	44361
42-329-39685	CHEVRON U. S. A. INC.	Oil	44361
42-329-39686	PIONEER NATURAL RES. USA, INC.
42-329-39687	CHEVRON U. S. A. INC.	Oil	44361
42-329-39688	Apache Corporation	Oil	47427
42-329-39689	Apache Corporation	Oil	47427
42-329-39690	PIONEER NATURAL RES. USA, INC.
42-329-39691	Apache Corporation
42-329-39692	CHEVRON U. S. A. INC.	Oil	44361
42-329-39693	PIONEER NATURAL RES. USA, INC.	Oil	44078
42-329-39694	Apache Corporation	Oil	47427
42-329-39695	PIONEER NATURAL RES. USA, INC.
42-329-39696	CHEVRON U. S. A. INC.	Oil	44361
42-329-39697	CHEVRON U. S. A. INC.	Oil	44361
42-329-39698	Apache Corporation
42-329-39699	CHEVRON U. S. A. INC.	Oil	44361
42-329-39700	PIONEER NATURAL RES. USA, INC.
42-329-39701	CHEVRON U. S. A. INC.	Oil	44361
42-329-39702	CHEVRON U. S. A. INC.	Oil	44361
42-329-39703	Apache Corporation
42-329-39704	PIONEER NATURAL RES. USA, INC.
42-329-39705	CHEVRON U. S. A. INC.	Oil	44361
42-329-39706	CHEVRON U. S. A. INC.	Oil	47164
42-329-39707	CHEVRON U. S. A. INC.	Oil	44361
42-329-39708	CHEVRON U. S. A. INC.	Oil	44361
42-329-39709	CHEVRON U. S. A. INC.	Oil	44361
42-329-39710	Apache Corporation
42-329-39711	CHEVRON U. S. A. INC.	Oil	44361
42-329-39712	Apache Corporation
42-329-39713	Apache Corporation	Oil	47427
42-329-39714	BOLD OPERATING, LLC
42-329-39715	EARTHSTONE OPERATING, LLC	Oil	46678
42-329-39716	CHEVRON U. S. A. INC.	Oil	47000
42-329-39717	ENERGEN RESOURCES CORPORATION
42-329-39718	XTO ENERGY INC.
42-329-39719	DIAMONDBACK E&P LLC	Oil	47045
42-329-39720	CALLON PETROLEUM OPERATING CO
42-329-39721	CALLON PETROLEUM OPERATING CO
42-329-39722	CALLON PETROLEUM OPERATING CO
42-329-39723	PARSLEY ENERGY OPERATIONS, LLC
42-329-39724	OXY USA WTP LP
42-329-39725	OXY USA WTP LP
42-329-39726	RSP PERMIAN, LLC	Oil	48103
42-329-39727	DISCOVERY OPERATING, INC.	Oil	37618
42-329-39728	RSP PERMIAN, LLC	Oil	48103
42-329-39729	DISCOVERY OPERATING, INC.	Oil	37639
42-329-39730	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-39731	OXY USA WTP LP
42-329-39732	PIONEER NATURAL RES. USA, INC.
42-329-39733	PIONEER NATURAL RES. USA, INC.
42-329-39734	PIONEER NATURAL RES. USA, INC.
42-329-39735	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-39736	PIONEER NATURAL RES. USA, INC.
42-329-39737	HIGH SKY PARTNERS LLC
42-329-39738	HIGH SKY PARTNERS LLC
42-329-39739	PIONEER NATURAL RES. USA, INC.
42-329-39740	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-39741	XTO ENERGY INC.
42-329-39742	XTO ENERGY INC.
42-329-39743	HIGH SKY PARTNERS LLC
42-329-39744	XTO ENERGY INC.	Oil	50955
42-329-39745	XTO ENERGY INC.	Oil	50955
42-329-39746	XTO ENERGY INC.	Oil	50955
42-329-39747	XTO ENERGY INC.	Oil	50955
42-329-39748	OVINTIV USA INC.	Oil	44409
42-329-39749	WASSER OPERATING, LLC
42-329-39750	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36139
42-329-39751	ATHLON HOLDINGS LP
42-329-39753	XTO ENERGY INC.
42-329-39754	XTO ENERGY INC.
42-329-39755	XTO ENERGY INC.
42-329-39757	DIAMONDBACK E&P LLC	Oil	39560
42-329-39758	DIAMONDBACK E&P LLC	Oil	39560
42-329-39760	XTO ENERGY INC.
42-329-39761	XTO ENERGY INC.
42-329-39762	HIGH SKY PARTNERS LLC
42-329-39763	FASKEN OIL AND RANCH, LTD.	Oil	44274
42-329-39764	XTO ENERGY INC.	Oil	18819
42-329-39765	CHEVRON U. S. A. INC.
42-329-39766	HIGH SKY PARTNERS LLC
42-329-39767	CHEVRON U. S. A. INC.
42-329-39768	CHEVRON U. S. A. INC.
42-329-39769	FASKEN OIL AND RANCH, LTD.	Oil	44274
42-329-39770	DISCOVERY OPERATING, INC.	Oil	36457
42-329-39771	XTO ENERGY INC.
42-329-39772	CROWNQUEST OPERATING, LLC
42-329-39774	XTO ENERGY INC.
42-329-39775	Linn Operating, Inc.
42-329-39776	CHEVRON U. S. A. INC.
42-329-39777	CHEVRON U. S. A. INC.
42-329-39778	CHEVRON U. S. A. INC.
42-329-39779	CROWNQUEST OPERATING, LLC	Oil	45322
42-329-39780	PARSLEY ENERGY OPERATIONS, LLC
42-329-39781	CHEVRON U. S. A. INC.	Oil	43735
42-329-39782	CHEVRON U. S. A. INC.	Oil	43735
42-329-39783	CHEVRON U. S. A. INC.	Oil	43735
42-329-39784	CHEVRON U. S. A. INC.	Oil	43735
42-329-39785	CHEVRON U. S. A. INC.	Oil	43735
42-329-39786	CHEVRON U. S. A. INC.	Oil	43735
42-329-39787	CHEVRON U. S. A. INC.	Oil	43735
42-329-39788	CHEVRON U. S. A. INC.
42-329-39789	CHEVRON U. S. A. INC.	Oil	43735
42-329-39790	XTO ENERGY INC.	Oil	12835
42-329-39791	PIONEER NATURAL RES. USA, INC.	Oil	32134
42-329-39792	CHEVRON U. S. A. INC.	Oil	36008
42-329-39793	CHEVRON U. S. A. INC.	Oil	36008
42-329-39794	PIONEER NATURAL RES. USA, INC.
42-329-39795	PIONEER NATURAL RES. USA, INC.
42-329-39796	RUGER PROPERTIES, LLC	Oil	46531
42-329-39797	PIONEER NATURAL RES. USA, INC.
42-329-39798	RSP PERMIAN, LLC
42-329-39799	Apache Corporation	Oil	47468
42-329-39800	Apache Corporation	Oil	47468
42-329-39801	CROWNQUEST OPERATING, LLC
42-329-39802	CROWNQUEST OPERATING, LLC
42-329-39803	PURVIS OPERATING CO.
42-329-39804	Apache Corporation	Oil	47468
42-329-39805	PARSLEY ENERGY OPERATIONS, LLC	Oil	18959
42-329-39806	ENDEAVOR ENERGY RESOURCES L.P.	Oil	37370
42-329-39807	CHEVRON U. S. A. INC.
42-329-39808	CHEVRON U. S. A. INC.
42-329-39810	CHEVRON U. S. A. INC.
42-329-39811	CHEVRON U. S. A. INC.
42-329-39812	CHEVRON U. S. A. INC.
42-329-39813	CHEVRON U. S. A. INC.
42-329-39814	CROWNQUEST OPERATING, LLC	Oil	45322
42-329-39815	Apache Corporation	Oil	47468
42-329-39816	ENDEAVOR ENERGY RESOURCES L.P.	Oil	45300
42-329-39818	Apache Corporation	Oil	47468
42-329-39819	Apache Corporation	Oil	47468
42-329-39820	Apache Corporation
42-329-39821	Apache Corporation	Oil	47468
42-329-39822	Apache Corporation
42-329-39823	Apache Corporation
42-329-39824	Apache Corporation	Oil	47468
42-329-39825	Apache Corporation	Oil	47468
42-329-39826	COG OPERATING LLC	Oil	38844
42-329-39827	COG OPERATING LLC	Oil	38844
42-329-39828	RSP PERMIAN, LLC
42-329-39829	RSP PERMIAN, LLC
42-329-39830	COG OPERATING LLC	Oil	38844
42-329-39831	RSP PERMIAN, LLC
42-329-39832	RSP PERMIAN, LLC
42-329-39833	RSP PERMIAN, LLC
42-329-39834	RSP PERMIAN, LLC
42-329-39835	CHEVRON U. S. A. INC.	Oil	35296
42-329-39836	CHEVRON U. S. A. INC.	Oil	35296
42-329-39837	PIONEER NATURAL RES. USA, INC.	Oil	31075
42-329-39838	ENDEAVOR ENERGY RESOURCES L.P.	Oil	45300
42-329-39839	CHEVRON U. S. A. INC.
42-329-39840	CHEVRON U. S. A. INC.
42-329-39841	CHEVRON U. S. A. INC.
42-329-39842	CHEVRON U. S. A. INC.	Oil	46591
42-329-39843	CHEVRON U. S. A. INC.	Oil	46591
42-329-39844	CHEVRON U. S. A. INC.
42-329-39845	CHEVRON U. S. A. INC.
42-329-39846	CHEVRON U. S. A. INC.
42-329-39847	CHEVRON U. S. A. INC.
42-329-39848	CHEVRON U. S. A. INC.	Oil	41371
42-329-39849	CHEVRON U. S. A. INC.	Oil	41371
42-329-39851	ENDEAVOR ENERGY RESOURCES L.P.	Oil	43676
42-329-39852	PIONEER NATURAL RES. USA, INC.	Oil	48548
42-329-39853	RSP PERMIAN, LLC
42-329-39854	CROWNQUEST OPERATING, LLC
42-329-39855	CALLON PETROLEUM OPERATING CO
42-329-39856	RSP PERMIAN, LLC
42-329-39857	RSP PERMIAN, LLC
42-329-39858	RSP PERMIAN, LLC
42-329-39859	CALLON PETROLEUM OPERATING CO
42-329-39860	CALLON PETROLEUM OPERATING CO
42-329-39861	RSP PERMIAN, LLC
42-329-39862	RSP PERMIAN, LLC
42-329-39863	RSP PERMIAN, LLC
42-329-39864	RSP PERMIAN, LLC
42-329-39865	RSP PERMIAN, LLC
42-329-39866	COG OPERATING LLC	Oil	40039
42-329-39867	COG OPERATING LLC	Oil	40039
42-329-39868	RSP PERMIAN, LLC
42-329-39869	RSP PERMIAN, LLC
42-329-39870	ENDEAVOR ENERGY RESOURCES L.P.	Oil	39198
42-329-39871	DIAMONDBACK E&P LLC	Oil	45236
42-329-39872	DIAMONDBACK E&P LLC	Oil	46870
42-329-39873	CROWNQUEST OPERATING, LLC
42-329-39874	CROWNQUEST OPERATING, LLC	Oil	46912
42-329-39875	CROWNQUEST OPERATING, LLC	Oil	47108
42-329-39876	PIONEER NATURAL RES. USA, INC.	Oil	47715
42-329-39877	DE3 OPERATING LLC	Oil	47494
42-329-39878	RSP PERMIAN, LLC
42-329-39879	HENRY RESOURCES LLC
42-329-39880	DE3 OPERATING LLC	Oil	47494
42-329-39881	TRAIL RIDGE ENERGY PRTNS II LLC
42-329-39882	HENRY RESOURCES LLC
42-329-39883	PARSLEY ENERGY OPERATIONS, LLC	Oil	46225
42-329-39884	OCCIDENTAL PERMIAN LTD.	Oil	40691
42-329-39885	OCCIDENTAL PERMIAN LTD.
42-329-39886	OCCIDENTAL PERMIAN LTD.
42-329-39887	OCCIDENTAL PERMIAN LTD.	Oil	40691
42-329-39888	OCCIDENTAL PERMIAN LTD.
42-329-39889	OCCIDENTAL PERMIAN LTD.
42-329-39890	OCCIDENTAL PERMIAN LTD.
42-329-39891	OCCIDENTAL PERMIAN LTD.
42-329-39892	PIONEER NATURAL RES. USA, INC.	Oil	37359
42-329-39893	OCCIDENTAL PERMIAN LTD.
42-329-39894	OCCIDENTAL PERMIAN LTD.
42-329-39895	OCCIDENTAL PERMIAN LTD.
42-329-39896	PARSLEY ENERGY OPERATIONS, LLC
42-329-39897	PARSLEY ENERGY OPERATIONS, LLC
42-329-39898	CROWNQUEST OPERATING, LLC	Oil	44329
42-329-39899	PARSLEY ENERGY OPERATIONS, LLC
42-329-39900	CHEVRON U. S. A. INC.	Oil	35296
42-329-39901	RSP PERMIAN, LLC
42-329-39902	RSP PERMIAN, LLC
42-329-39903	FASKEN OIL AND RANCH, LTD.	Oil	44274
42-329-39904	RSP PERMIAN, LLC
42-329-39905	RSP PERMIAN, LLC	Oil	47260
42-329-39906	CROWNQUEST OPERATING, LLC	Oil	44329
42-329-39907	RSP PERMIAN, LLC	Oil	48103
42-329-39908	COG OPERATING LLC	Oil	17154
42-329-39909	COG OPERATING LLC	Oil	39630
42-329-39910	COG OPERATING LLC	Oil	39630
42-329-39911	OVINTIV USA INC.	Oil	44918
42-329-39912	Lario Oil & Gas Company	Oil	46608
42-329-39913	PIONEER NATURAL RES. USA, INC.
42-329-39914	XTO ENERGY INC.
42-329-39915	CROWNQUEST OPERATING, LLC
42-329-39916	HENRY RESOURCES LLC	Oil	44965
42-329-39917	ENDEAVOR ENERGY RESOURCES L.P.	Oil	45300
42-329-39918	XTO ENERGY INC.	Oil	47254
42-329-39919	DISCOVERY OPERATING, INC.	Oil	46993
42-329-39920	HENRY RESOURCES LLC
42-329-39921	PARSLEY ENERGY OPERATIONS, LLC
42-329-39922	PIONEER NATURAL RES. USA, INC.
42-329-39923	PIONEER NATURAL RES. USA, INC.
42-329-39924	HENRY RESOURCES LLC
42-329-39925	PIONEER NATURAL RES. USA, INC.
42-329-39926	RSP PERMIAN, LLC
42-329-39927	COG OPERATING LLC	Oil	39630
42-329-39928	CHEVRON U. S. A. INC.	Oil	43259
42-329-39929	CHEVRON U. S. A. INC.	Oil	40422
42-329-39930	DISCOVERY OPERATING, INC.	Oil	46995
42-329-39931	OVINTIV USA INC.	Oil	39912
42-329-39932	CROWNQUEST OPERATING, LLC	Oil	50257
42-329-39933	CROWNQUEST OPERATING, LLC	Oil	46545
42-329-39934	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36227
42-329-39935	OXY USA WTP LP	Oil	34635
42-329-39936	ENDEAVOR ENERGY RESOURCES L.P.
42-329-39937	HENRY RESOURCES LLC	Oil	45874
42-329-39938	HENRY RESOURCES LLC	Oil	45874
42-329-39939	CHEVRON U. S. A. INC.	Oil	40422
42-329-39940	CHEVRON U. S. A. INC.	Oil	51273
42-329-39941	CHEVRON U. S. A. INC.	Oil	51273
42-329-39943	PIONEER NATURAL RES. USA, INC.
42-329-39944	ENDEAVOR ENERGY RESOURCES L.P.	Oil	51273
42-329-39945	CHEVRON U. S. A. INC.
42-329-39946	CHEVRON U. S. A. INC.
42-329-39947	CHEVRON U. S. A. INC.
42-329-39948	CHEVRON U. S. A. INC.
42-329-39949	PIONEER NATURAL RES. USA, INC.
42-329-39950	PIONEER NATURAL RES. USA, INC.
42-329-39951	XTO ENERGY INC.	Oil	48484
42-329-39952	XTO ENERGY INC.	Oil	48484
42-329-39953	CROWNQUEST OPERATING, LLC	Oil	46545
42-329-39954	CROWNQUEST OPERATING, LLC	Oil	25586
42-329-39955	CROWNQUEST OPERATING, LLC	Oil	46545
42-329-39956	CROWNQUEST OPERATING, LLC	Oil	46545
42-329-39957	CALLON PETROLEUM OPERATING CO
42-329-39958	CALLON PETROLEUM OPERATING CO
42-329-39959	RSP PERMIAN, LLC	Oil	48103
42-329-39960	RSP PERMIAN, LLC
42-329-39961	RSP PERMIAN, LLC
42-329-39962	RSP PERMIAN, LLC	Oil	47609
42-329-39963	RSP PERMIAN, LLC
42-329-39964	RSP PERMIAN, LLC
42-329-39965	MID-STATES OPERATING COMPANY
42-329-39966	FASKEN OIL AND RANCH, LTD.	Oil	39539
42-329-39967	FASKEN OIL AND RANCH, LTD.	Oil	39539
42-329-39968	FASKEN OIL AND RANCH, LTD.	Oil	39539
42-329-39969	FASKEN OIL AND RANCH, LTD.	Oil	39539
42-329-39970	FASKEN OIL AND RANCH, LTD.	Oil	39539
42-329-39971	FASKEN OIL AND RANCH, LTD.	Oil	39539
42-329-39972	FASKEN OIL AND RANCH, LTD.	Oil	39539
42-329-39973	FASKEN OIL AND RANCH, LTD.	Oil	39539
42-329-39974	FASKEN OIL AND RANCH, LTD.	Oil	39539
42-329-39975	HENRY RESOURCES LLC
42-329-39976	HENRY RESOURCES LLC	Oil	45874
42-329-39977	PIONEER NATURAL RES. USA, INC.	Oil	46785
42-329-39978	ENDEAVOR ENERGY RESOURCES L.P.
42-329-39979	PIONEER NATURAL RES. USA, INC.	Oil	46785
42-329-39980	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-39981	ENCANA OIL & GAS(USA) INC.	Oil	47148
42-329-39982	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-39983	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-39984	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-39985	RSP PERMIAN, LLC
42-329-39986	ENDEAVOR ENERGY RESOURCES L.P.	Oil	45300
42-329-39987	PIONEER NATURAL RES. USA, INC.	Oil	46785
42-329-39988	FASKEN OIL AND RANCH, LTD.	Oil	50412
42-329-39990	ENDEAVOR ENERGY RESOURCES L.P.
42-329-39991	COG OPERATING LLC
42-329-39992	ENDEAVOR ENERGY RESOURCES L.P.	Oil	36227
42-329-39993	HIGH SKY PARTNERS LLC
42-329-39994	HIGH SKY PARTNERS LLC
42-329-39995	HIGH SKY PARTNERS LLC
42-329-39996	HIGH SKY PARTNERS LLC
42-329-39997	XTO ENERGY INC.	Oil	32944
42-329-39998	XTO ENERGY INC.
42-329-39999	XTO ENERGY INC.
42-329-40000	COG OPERATING LLC	Oil	46986
42-329-40001	OCCIDENTAL PERMIAN LTD.
42-329-40003	OCCIDENTAL PERMIAN LTD.
42-329-40005	OCCIDENTAL PERMIAN LTD.
42-329-40007	OCCIDENTAL PERMIAN LTD.	Oil	40691
42-329-40008	OCCIDENTAL PERMIAN LTD.
42-329-40009	OCCIDENTAL PERMIAN LTD.	Oil	40691
42-329-40010	OCCIDENTAL PERMIAN LTD.	Oil	40691
42-329-40011	OXY USA WTP LP	Oil	34635
42-329-40012	OXY USA WTP LP	Oil	34635
42-329-40013	CHEVRON U. S. A. INC.
42-329-40014	CALLON PETROLEUM OPERATING CO	Oil	38899
42-329-40015	CALLON PETROLEUM OPERATING CO	Oil	38899
42-329-40016	CALLON PETROLEUM OPERATING CO	Oil	38899
42-329-40017	CALLON PETROLEUM OPERATING CO	Oil	38899
42-329-40018	XTO ENERGY INC.	Oil	47366
42-329-40019	XTO ENERGY INC.	Oil	47269
42-329-40020	XTO ENERGY INC.	Oil	47279
42-329-40021	CALLON PETROLEUM OPERATING CO
42-329-40022	CALLON PETROLEUM OPERATING CO
42-329-40023	CHEVRON U. S. A. INC.	Oil	46591
42-329-40024	CHEVRON U. S. A. INC.	Oil	46591
42-329-40025	XTO ENERGY INC.	Oil	47276
42-329-40026	XTO ENERGY INC.	Oil	47379
42-329-40027	XTO ENERGY INC.	Oil	47472
42-329-40028	XTO ENERGY INC.	Oil	47472
42-329-40029	XTO ENERGY INC.
42-329-40030	XTO ENERGY INC.
42-329-40031	ENDEAVOR ENERGY RESOURCES L.P.
42-329-40032	FASKEN OIL AND RANCH, LTD.	Oil	45317
42-329-40033	XTO ENERGY INC.	Oil	32293
42-329-40034	XTO ENERGY INC.	Oil	47380
42-329-40035	XTO ENERGY INC.	Oil	47458
42-329-40036	CROWNQUEST OPERATING, LLC	Oil	46016
42-329-40037	ENDEAVOR ENERGY RESOURCES L.P.
42-329-40038	CALLON PETROLEUM OPERATING CO	Oil	47070
42-329-40039	OXY USA WTP LP
42-329-40040	CALLON PETROLEUM OPERATING CO	Oil	47079
42-329-40041	ENDEAVOR ENERGY RESOURCES L.P.
42-329-40042	OXY USA WTP LP	Oil	34635
42-329-40043	PIONEER NATURAL RES. USA, INC.
42-329-40044	PIONEER NATURAL RES. USA, INC.
42-329-40045	PIONEER NATURAL RES. USA, INC.	Oil	06451
42-329-40046	PIONEER NATURAL RES. USA, INC.
42-329-40047	PIONEER NATURAL RES. USA, INC.	Oil	06268
42-329-40048	PIONEER NATURAL RES. USA, INC.	Oil	46263
42-329-40049	PIONEER NATURAL RES. USA, INC.
42-329-40050	PIONEER NATURAL RES. USA, INC.	Oil	46263
42-329-40051	PIONEER NATURAL RES. USA, INC.	Oil	46263
42-329-40052	PIONEER NATURAL RES. USA, INC.	Oil	46263
42-329-40053	PIONEER NATURAL RES. USA, INC.	Oil	46263
42-329-40054	OXY USA WTP LP
42-329-40055	XTO ENERGY INC.
42-329-40056	XTO ENERGY INC.
42-329-40057	ENDEAVOR ENERGY RESOURCES L.P.	Oil	34322
42-329-40058	XTO ENERGY INC.
42-329-40059	XTO ENERGY INC.
42-329-40060	XTO ENERGY INC.
42-329-40061	XTO ENERGY INC.
42-329-40062	XTO ENERGY INC.
42-329-40063	XTO ENERGY INC.
42-329-40064	PARSLEY ENERGY OPERATIONS, LLC
42-329-40065	XTO ENERGY INC.
42-329-40066	CHEVRON U. S. A. INC.	Oil	43735
42-329-40067	CHEVRON U. S. A. INC.	Oil	43735
42-329-40068	XTO ENERGY INC.	Oil	48950
42-329-40069	RSP PERMIAN, LLC	Oil	47675
42-329-40070	RSP PERMIAN, LLC	Oil	47689
42-329-40071	XTO ENERGY INC.	Oil	47810
42-329-40072	XTO ENERGY INC.	Oil	47394
42-329-40073	XTO ENERGY INC.	Oil	47957
42-329-40074	XTO ENERGY INC.	Oil	47935
42-329-40075	XTO ENERGY INC.	Oil	47816
42-329-40076	XTO ENERGY INC.	Oil	47849
42-329-40077	XTO ENERGY INC.	Oil	47559
42-329-40078	ATHLON HOLDINGS LP
42-329-40079	ATHLON HOLDINGS LP
42-329-40080	XTO ENERGY INC.
42-329-40081	CHEVRON U. S. A. INC.
42-329-40082	CHEVRON U. S. A. INC.
42-329-40083	CHEVRON U. S. A. INC.
42-329-40084	CHEVRON U. S. A. INC.
42-329-40085	CHEVRON U. S. A. INC.
42-329-40086	CHEVRON U. S. A. INC.
42-329-40087	CHEVRON U. S. A. INC.
42-329-40088	CHEVRON U. S. A. INC.
42-329-40089	COG OPERATING LLC	Oil	46986
42-329-40090	COG OPERATING LLC	Oil	46986
42-329-40091	CHEVRON U. S. A. INC.
42-329-40092	CHEVRON U. S. A. INC.
42-329-40093	CHEVRON U. S. A. INC.
42-329-40094	CHEVRON U. S. A. INC.
42-329-40095	CHEVRON U. S. A. INC.
42-329-40096	CHEVRON U. S. A. INC.	Oil	46591
42-329-40097	CHEVRON U. S. A. INC.	Oil	46591
42-329-40098	CHEVRON U. S. A. INC.	Oil	46591
42-329-40099	CHEVRON U. S. A. INC.	Oil	46591
42-329-40100	XTO ENERGY INC.	Oil	32943
42-329-40101	DIAMONDBACK E&P LLC	Oil	47349
42-329-40102	DIAMONDBACK E&P LLC	Oil	47349
42-329-40103	DIAMONDBACK E&P LLC	Oil	47022
42-329-40104	CHEVRON U. S. A. INC.
42-329-40105	CHEVRON U. S. A. INC.	Oil	43259
42-329-40106	CHEVRON U. S. A. INC.	Oil	43259
42-329-40107	CHEVRON U. S. A. INC.
42-329-40108	CHEVRON U. S. A. INC.
42-329-40109	CHEVRON U. S. A. INC.
42-329-40110	COG OPERATING LLC	Oil	46986
42-329-40111	CROWNQUEST OPERATING, LLC	Oil	46933
42-329-40112	PIONEER NATURAL RES. USA, INC.	Oil	47229
42-329-40113	PIONEER NATURAL RES. USA, INC.	Oil	47235
42-329-40114	Apache Corporation
42-329-40115	OVINTIV USA INC.	Oil	47171
42-329-40116	OVINTIV USA INC.	Oil	47171
42-329-40117	OVINTIV USA INC.	Oil	47152
42-329-40118	RSP PERMIAN, LLC	Oil	47923
42-329-40119	COG OPERATING LLC	Oil	48102
42-329-40120	CALLON PETROLEUM OPERATING CO
42-329-40121	OXY USA WTP LP	Oil	34635
42-329-40122	PIONEER NATURAL RES. USA, INC.	Oil	47236
42-329-40123	PIONEER NATURAL RES. USA, INC.	Oil	47237
42-329-40124	CALLON PETROLEUM OPERATING CO
42-329-40125	OVINTIV USA INC.	Oil	45922
42-329-40126	DIAMONDBACK E&P LLC	Oil	41340
42-329-40127	RSP PERMIAN, LLC	Oil	47681
42-329-40128	RSP PERMIAN, LLC	Oil	47680
42-329-40129	RSP PERMIAN, LLC	Oil	47844
42-329-40130	RSP PERMIAN, LLC
42-329-40131	COG OPERATING LLC	Oil	48102
42-329-40132	COG OPERATING LLC	Oil	48102
42-329-40133	RSP PERMIAN, LLC	Oil	47902
42-329-40134	COG OPERATING LLC	Oil	48102
42-329-40135	RSP PERMIAN, LLC	Oil	47901
42-329-40136	ENDEAVOR ENERGY RESOURCES L.P.	Oil	46734
42-329-40137	PIONEER NATURAL RES. USA, INC.	Oil	46964
42-329-40138	PIONEER NATURAL RES. USA, INC.	Oil	47099
42-329-40139	PIONEER NATURAL RES. USA, INC.	Oil	47073
42-329-40140	PIONEER NATURAL RES. USA, INC.	Oil	47072
42-329-40141	CHEVRON U. S. A. INC.	Oil	43735
42-329-40142	COG OPERATING LLC
42-329-40143	DIAMONDBACK E&P LLC	Oil	47192
42-329-40144	DIAMONDBACK E&P LLC	Oil	39560
42-329-40145	DIAMONDBACK E&P LLC	Oil	39560
42-329-40146	COG OPERATING LLC
42-329-40147	COG OPERATING LLC
42-329-40148	COG OPERATING LLC
42-329-40149	RSP PERMIAN, LLC
42-329-40150	RSP PERMIAN, LLC
42-329-40151	OVINTIV USA INC.	Oil	46763
42-329-40152	DIAMONDBACK E&P LLC	Oil	40653
42-329-40153	RSP PERMIAN, LLC
42-329-40154	RSP PERMIAN, LLC
42-329-40155	RSP PERMIAN, LLC
42-329-40156	RSP PERMIAN, LLC
42-329-40157	COG OPERATING LLC	Oil	48103
42-329-40158	COG OPERATING LLC	Oil	48103
42-329-40159	COG OPERATING LLC	Oil	48103
42-329-40160	Apache Corporation
42-329-40161	Apache Corporation	Oil	47363
42-329-40162	Lario Oil & Gas Company
42-329-40163	ENCANA OIL & GAS(USA) INC.
42-329-40164	ENCANA OIL & GAS(USA) INC.
42-329-40165	PIONEER NATURAL RES. USA, INC.	Oil	06390
42-329-40166	PIONEER NATURAL RES. USA, INC.	Oil	06390
42-329-40167	RSP PERMIAN, LLC
42-329-40168	RSP PERMIAN, LLC
42-329-40169	Lario Oil & Gas Company
42-329-40170	DIAMONDBACK E&P LLC	Oil	40653
42-329-40171	CROWNQUEST OPERATING, LLC	Oil	46951
42-329-40172	DIAMONDBACK E&P LLC	Oil	41340
42-329-40173	DIAMONDBACK E&P LLC	Oil	41340
42-329-40174	PIONEER NATURAL RES. USA, INC.	Oil	06390
42-329-40175	PIONEER NATURAL RES. USA, INC.	Oil	06390
42-329-40176	XTO ENERGY INC.	Oil	48734
42-329-40177	ENDEAVOR ENERGY RESOURCES L.P.	Oil	47595
42-329-40178	XTO ENERGY INC.
42-329-40179	DIAMONDBACK E&P LLC	Oil	47213
42-329-40180	PIONEER NATURAL RES. USA, INC.	Oil	47406
42-329-40181	PIONEER NATURAL RES. USA, INC.	Oil	47874
42-329-40182	PIONEER NATURAL RES. USA, INC.	Oil	47898
42-329-40183	XTO ENERGY INC.	Oil	44990
42-329-40184	CHEVRON U. S. A. INC.	Oil	47107
42-329-40185	ENDEAVOR ENERGY RESOURCES L.P.	Oil	47595
42-329-40186	ENDEAVOR ENERGY RESOURCES L.P.	Oil	47595
42-329-40187	ENDEAVOR ENERGY RESOURCES L.P.	Oil	47595
42-329-40188	ENDEAVOR ENERGY RESOURCES L.P.	Oil	47595
42-329-40189	CHEVRON U. S. A. INC.	Oil	46591
42-329-40190	CHEVRON U. S. A. INC.	Oil	46591
42-329-40191	CHEVRON U. S. A. INC.	Oil	46591
42-329-40192	CHEVRON U. S. A. INC.	Oil	46591
42-329-40193	XTO ENERGY INC.	Oil	47418
42-329-40194	ENDEAVOR ENERGY RESOURCES L.P.	Oil	46620
42-329-40195	COG OPERATING LLC	Oil	51948
42-329-40196	COG OPERATING LLC	Oil	51948
42-329-40197	COG OPERATING LLC	Oil	38844
42-329-40198	COG OPERATING LLC	Oil	51948
42-329-40199	OVINTIV USA INC.	Oil	47007
42-329-40200	ENCANA OIL & GAS(USA) INC.	Oil	49308
42-329-40201	CHEVRON U. S. A. INC.
42-329-40202	CHEVRON U. S. A. INC.
42-329-40203	XTO ENERGY INC.	Oil	47548
42-329-40204	DIAMONDBACK E&P LLC	Oil	31822
42-329-40205	XTO ENERGY INC.	Oil	47419
42-329-40206	XTO ENERGY INC.	Oil	47420
42-329-40207	XTO ENERGY INC.	Oil	47417
42-329-40208	SUMMIT PETROLEUM LLC	Oil	47532
42-329-40209	COG OPERATING LLC	Oil	38844
42-329-40210	COG OPERATING LLC	Oil	38844
42-329-40211	HENRY RESOURCES LLC	Oil	45874
42-329-40212	HENRY RESOURCES LLC	Oil	45874
42-329-40213	CROWNQUEST OPERATING, LLC	Oil	48926
42-329-40214	CROWNQUEST OPERATING, LLC
42-329-40215	XTO ENERGY INC.	Oil	47490
42-329-40216	XTO ENERGY INC.	Oil	47448
42-329-40217	XTO ENERGY INC.	Oil	47489
42-329-40218	ENDEAVOR ENERGY RESOURCES L.P.
42-329-40219	ENDEAVOR ENERGY RESOURCES L.P.
42-329-40220	ENDEAVOR ENERGY RESOURCES L.P.
42-329-40221	XTO ENERGY INC.	Oil	47166
42-329-40222	XTO ENERGY INC.	Oil	47451
42-329-40223	XTO ENERGY INC.	Oil	47685
42-329-40224	ENDEAVOR ENERGY RESOURCES L.P.	Oil	45300
42-329-40225	ENVIRONMENTAL DSPL SYSTEMS, LLC	Oil	47516
42-329-40226	XTO ENERGY INC.	Oil	48249
42-329-40227	XTO ENERGY INC.	Oil	48248
42-329-40228	FASKEN OIL AND RANCH, LTD.	Oil	39539
42-329-40229	XTO ENERGY INC.	Oil	47870
42-329-40230	XTO ENERGY INC.	Oil	47955
42-329-40231	XTO ENERGY INC.	Oil	47953
42-329-40232	XTO ENERGY INC.	Oil	47878
42-329-40233	XTO ENERGY INC.	Oil	47537
42-329-40234	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-40235	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-40236	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-40237	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-40238	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-40239	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-40240	COG OPERATING LLC	Oil	41440
42-329-40241	COG OPERATING LLC	Oil	41440
42-329-40242	COG OPERATING LLC	Oil	41440
42-329-40243	COG OPERATING LLC	Oil	41440
42-329-40244	CHEVRON U. S. A. INC.	Oil	47058
42-329-40245	CHEVRON U. S. A. INC.	Oil	47081
42-329-40246	PIONEER NATURAL RES. USA, INC.	Oil	47794
42-329-40247	CROWNQUEST OPERATING, LLC	Oil	50417
42-329-40248	CALLON PETROLEUM OPERATING CO
42-329-40249	PIONEER NATURAL RES. USA, INC.	Oil	47754
42-329-40250	PIONEER NATURAL RES. USA, INC.	Oil	47789
42-329-40251	CROWNQUEST OPERATING, LLC	Oil	49633
42-329-40252	CROWNQUEST OPERATING, LLC	Oil	47389
42-329-40253	PIONEER NATURAL RES. USA, INC.	Oil	47879
42-329-40254	PIONEER NATURAL RES. USA, INC.	Oil	47885
42-329-40255	PIONEER NATURAL RES. USA, INC.	Oil	47753
42-329-40256	XTO ENERGY INC.	Oil	47430
42-329-40257	PIONEER NATURAL RES. USA, INC.	Oil	47880
42-329-40258	CROWNQUEST OPERATING, LLC	Oil	50388
42-329-40259	PIONEER NATURAL RES. USA, INC.	Oil	49029
42-329-40260	PIONEER NATURAL RES. USA, INC.	Oil	48991
42-329-40261	PIONEER NATURAL RES. USA, INC.	Oil	49055
42-329-40262	CALLON PETROLEUM OPERATING CO	Oil	47392
42-329-40263	CROWNQUEST OPERATING, LLC	Oil	47255
42-329-40264	CROWNQUEST OPERATING, LLC
42-329-40265	COG OPERATING LLC	Oil	38844
42-329-40266	PIONEER NATURAL RES. USA, INC.	Oil	47241
42-329-40267	PIONEER NATURAL RES. USA, INC.	Oil	47241
42-329-40268	PIONEER NATURAL RES. USA, INC.	Oil	47241
42-329-40269	PIONEER NATURAL RES. USA, INC.	Oil	47241
42-329-40270	PIONEER NATURAL RES. USA, INC.	Oil	47241
42-329-40271	PIONEER NATURAL RES. USA, INC.	Oil	47241
42-329-40272	PIONEER NATURAL RES. USA, INC.	Oil	47241
42-329-40273	PIONEER NATURAL RES. USA, INC.	Oil	47241
42-329-40274	PIONEER NATURAL RES. USA, INC.	Oil	47241
42-329-40275	CROWNQUEST OPERATING, LLC	Oil	47587
42-329-40276	CROWNQUEST OPERATING, LLC	Oil	48341
42-329-40277	CROWNQUEST OPERATING, LLC
42-329-40278	CROWNQUEST OPERATING, LLC
42-329-40279	CROWNQUEST OPERATING, LLC	Oil	47565
42-329-40280	ENDEAVOR ENERGY RESOURCES L.P.	Oil	40237
42-329-40281	CROWNQUEST OPERATING, LLC	Oil	48192
42-329-40282	CROWNQUEST OPERATING, LLC
42-329-40283	CROWNQUEST OPERATING, LLC	Oil	47195
42-329-40284	CROWNQUEST OPERATING, LLC	Oil	47222
42-329-40285	CROWNQUEST OPERATING, LLC	Oil	45900
42-329-40286	CROWNQUEST OPERATING, LLC	Oil	45900
42-329-40287	BOLD OPERATING, LLC
42-329-40289	XTO ENERGY INC.
42-329-40290	XTO ENERGY INC.	Oil	40191
42-329-40291	OVINTIV USA INC.	Oil	35664
42-329-40292	CALLON PETROLEUM OPERATING CO	Oil	46160
42-329-40293	XTO ENERGY INC.
42-329-40294	XTO ENERGY INC.
42-329-40295	XTO ENERGY INC.
42-329-40296	XTO ENERGY INC.
42-329-40297	XTO ENERGY INC.
42-329-40298	XTO ENERGY INC.
42-329-40299	XTO ENERGY INC.
42-329-40300	OCCIDENTAL PERMIAN LTD.	Oil	40691
42-329-40301	OCCIDENTAL PERMIAN LTD.	Oil	40691
42-329-40302	XTO ENERGY INC.
42-329-40303	COG OPERATING LLC	Oil	41025
42-329-40304	CALLON PETROLEUM OPERATING CO	Oil	47347
42-329-40305	COG OPERATING LLC	Oil	41025
42-329-40306	DE3 OPERATING LLC	Oil	22416
42-329-40307	COG OPERATING LLC	Oil	41025
42-329-40308	COG OPERATING LLC	Oil	41025
42-329-40309	COG OPERATING LLC	Oil	41025
42-329-40310	PIONEER NATURAL RES. USA, INC.	Oil	48028
42-329-40311	CROWNQUEST OPERATING, LLC	Oil	44329
42-329-40312	OVINTIV USA INC.	Oil	47177
42-329-40313	OVINTIV USA INC.	Oil	47805
42-329-40314	OVINTIV USA INC.	Oil	47805
42-329-40315	OVINTIV USA INC.	Oil	47193
42-329-40316	DIAMONDBACK E&P LLC	Oil	47759
42-329-40317	CHEVRON U. S. A. INC.	Oil	40422
42-329-40318	ENDEAVOR ENERGY RESOURCES L.P.
42-329-40319	PIONEER NATURAL RES. USA, INC.	Oil	47968
42-329-40320	PIONEER NATURAL RES. USA, INC.	Oil	48005
42-329-40321	CHEVRON U. S. A. INC.	Oil	51273
42-329-40322	CHEVRON U. S. A. INC.	Oil	51273
42-329-40323	CHEVRON U. S. A. INC.	Oil	51273
42-329-40324	XTO ENERGY INC.
42-329-40325	XTO ENERGY INC.
42-329-40326	XTO ENERGY INC.	Oil	47487
42-329-40327	XTO ENERGY INC.	Oil	47487
42-329-40328	PIONEER NATURAL RES. USA, INC.
42-329-40329	HIGH SKY PARTNERS LLC
42-329-40330	Apache Corporation	Oil	47468
42-329-40331	Apache Corporation	Oil	47468
42-329-40332	HIGH SKY PARTNERS LLC
42-329-40333	Apache Corporation
42-329-40334	CALLON PETROLEUM OPERATING CO	Oil	47391
42-329-40335	XTO ENERGY INC.	Oil	39040
42-329-40336	Apache Corporation
42-329-40337	PIONEER NATURAL RES. USA, INC.	Oil	46162
42-329-40338	CALLON PETROLEUM OPERATING CO	Oil	49832
42-329-40339	DIAMONDBACK E&P LLC	Oil	39560
42-329-40340	DIAMONDBACK E&P LLC	Oil	39560
42-329-40341	DIAMONDBACK E&P LLC	Oil	39560
42-329-40342	HIGH SKY PARTNERS LLC
42-329-40343	HIGH SKY PARTNERS LLC
42-329-40344	DISCOVERY OPERATING, INC.	Oil	37618
42-329-40345	DISCOVERY OPERATING, INC.	Oil	37639
42-329-40346	PIONEER NATURAL RES. USA, INC.	Oil	48935
42-329-40347	PIONEER NATURAL RES. USA, INC.	Oil	48935
42-329-40348	PIONEER NATURAL RES. USA, INC.	Oil	48935
42-329-40349	EARTHSTONE OPERATING, LLC	Oil	47339
42-329-40350	DIAMONDBACK E&P LLC	Oil	39560
42-329-40351	DIAMONDBACK E&P LLC	Oil	39560
42-329-40352	Apache Corporation	Oil	47363
42-329-40353	Apache Corporation	Oil	47363
42-329-40354	PIONEER NATURAL RES. USA, INC.	Oil	46162
42-329-40355	PIONEER NATURAL RES. USA, INC.	Oil	46162
42-329-40356	DIAMONDBACK E&P LLC	Oil	39560
42-329-40357	DIAMONDBACK E&P LLC	Oil	39560
42-329-40358	DIAMONDBACK E&P LLC	Oil	39560
42-329-40359	PIONEER NATURAL RES. USA, INC.	Oil	38978
42-329-40360	XTO ENERGY INC.
42-329-40361	XTO ENERGY INC.
42-329-40362	XTO ENERGY INC.
42-329-40363	XTO ENERGY INC.
42-329-40364	XTO ENERGY INC.	Oil	48018
42-329-40365	XTO ENERGY INC.	Oil	47850
42-329-40366	XTO ENERGY INC.	Oil	47831
42-329-40367	Apache Corporation	Oil	47454
42-329-40368	PIONEER NATURAL RES. USA, INC.	Oil	46162
42-329-40369	DIAMONDBACK E&P LLC	Oil	39560
42-329-40370	DIAMONDBACK E&P LLC	Oil	39560
42-329-40371	DIAMONDBACK E&P LLC	Oil	39560
42-329-40372	PIONEER NATURAL RES. USA, INC.	Oil	46162
42-329-40373	PIONEER NATURAL RES. USA, INC.	Oil	46162
42-329-40374	PIONEER NATURAL RES. USA, INC.	Oil	48990
42-329-40375	PIONEER NATURAL RES. USA, INC.	Oil	49002
42-329-40376	PIONEER NATURAL RES. USA, INC.	Oil	49001
42-329-40377	PIONEER NATURAL RES. USA, INC.	Oil	47887
42-329-40378	Apache Corporation	Oil	47454
42-329-40379	Apache Corporation
42-329-40380	Apache Corporation
42-329-40381	RSP PERMIAN, LLC
42-329-40382	RSP PERMIAN, LLC
42-329-40383	PIONEER NATURAL RES. USA, INC.	Oil	47714
42-329-40384	PIONEER NATURAL RES. USA, INC.	Oil	47710
42-329-40385	OVINTIV USA INC.	Oil	35664
42-329-40386	PIONEER NATURAL RES. USA, INC.	Oil	47716
42-329-40387	CALLON PETROLEUM OPERATING CO	Oil	47391
42-329-40388	XTO ENERGY INC.	Oil	47861
42-329-40389	PIONEER NATURAL RES. USA, INC.	Oil	46162
42-329-40390	PIONEER NATURAL RES. USA, INC.	Oil	46907
42-329-40391	PIONEER NATURAL RES. USA, INC.	Oil	46907
42-329-40392	XTO ENERGY INC.	Oil	39040
42-329-40393	OVINTIV USA INC.	Oil	39927
42-329-40394	XTO ENERGY INC.	Oil	47866
42-329-40395	PIONEER NATURAL RES. USA, INC.	Oil	46162
42-329-40396	PIONEER NATURAL RES. USA, INC.	Oil	46162
42-329-40397	DIAMONDBACK E&P LLC	Oil	45236
42-329-40398	DIAMONDBACK E&P LLC	Oil	45236
42-329-40399	COG OPERATING LLC
42-329-40400	COG OPERATING LLC
42-329-40401	PIONEER NATURAL RES. USA, INC.	Oil	46162
42-329-40402	XTO ENERGY INC.
42-329-40403	OXY USA WTP LP
42-329-40404	PIONEER NATURAL RES. USA, INC.	Oil	47601
42-329-40405	PIONEER NATURAL RES. USA, INC.	Oil	47601
42-329-40406	PIONEER NATURAL RES. USA, INC.	Oil	47601
42-329-40407	OXY USA WTP LP
42-329-40408	PIONEER NATURAL RES. USA, INC.	Oil	46162
42-329-40409	PIONEER NATURAL RES. USA, INC.	Oil	47241
42-329-40410	PIONEER NATURAL RES. USA, INC.	Oil	47241
42-329-40411	PIONEER NATURAL RES. USA, INC.	Oil	47241
42-329-40412	PIONEER NATURAL RES. USA, INC.	Oil	47241
42-329-40413	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-40414	DIAMONDBACK E&P LLC	Oil	43016
42-329-40415	ENDEAVOR ENERGY RESOURCES L.P.	Oil	47595
42-329-40416	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-40417	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-40418	PIONEER NATURAL RES. USA, INC.
42-329-40419	PIONEER NATURAL RES. USA, INC.	Oil	47601
42-329-40420	PIONEER NATURAL RES. USA, INC.	Oil	47601
42-329-40421	PIONEER NATURAL RES. USA, INC.	Oil	37359
42-329-40422	PIONEER NATURAL RES. USA, INC.
42-329-40423	Lario Oil & Gas Company	Oil	47528
42-329-40424	Lario Oil & Gas Company	Oil	47722
42-329-40425	CROWNQUEST OPERATING, LLC
42-329-40426	CROWNQUEST OPERATING, LLC
42-329-40427	CROWNQUEST OPERATING, LLC	Oil	46951
42-329-40428	OVINTIV USA INC.	Oil	34576
42-329-40429	PIONEER NATURAL RES. USA, INC.
42-329-40430	OVINTIV USA INC.	Gas	280715
42-329-40431	PIONEER NATURAL RES. USA, INC.	Oil	47241
42-329-40432	PIONEER NATURAL RES. USA, INC.	Oil	47241
42-329-40433	PIONEER NATURAL RES. USA, INC.	Oil	47241
42-329-40434	PIONEER NATURAL RES. USA, INC.	Oil	47241
42-329-40435	PIONEER NATURAL RES. USA, INC.	Oil	47241
42-329-40436	XTO ENERGY INC.
42-329-40437	CROWNQUEST OPERATING, LLC
42-329-40438	OXY USA WTP LP
42-329-40439	OXY USA WTP LP
42-329-40440	CHEVRON U. S. A. INC.	Oil	47375
42-329-40441	CHEVRON U. S. A. INC.	Oil	47375
42-329-40442	CHEVRON U. S. A. INC.	Oil	47393
42-329-40443	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-40444	CHEVRON U. S. A. INC.	Oil	47486
42-329-40445	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-40446	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-40447	Hunt Oil Company	Oil	47967
42-329-40448	CALLON PETROLEUM OPERATING CO	Oil	38899
42-329-40449	ENDEAVOR ENERGY RESOURCES L.P.	Oil	48117
42-329-40450	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-40451	Hunt Oil Company	Oil	48001
42-329-40452	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-40453	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-40454	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-40455	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-40456	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-40457	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-40458	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-40459	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-40460	ENDEAVOR ENERGY RESOURCES L.P.	Oil	47595
42-329-40461	ENDEAVOR ENERGY RESOURCES L.P.	Oil	47595
42-329-40462	ENDEAVOR ENERGY RESOURCES L.P.	Oil	47595
42-329-40463	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-40464	HIGH SKY PARTNERS LLC
42-329-40465	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-40466	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-40467	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-40468	PIONEER NATURAL RES. USA, INC.	Oil	46785
42-329-40469	PIONEER NATURAL RES. USA, INC.	Oil	46785
42-329-40470	PLAINS PIPELINE L.P.
42-329-40471	CROWNQUEST OPERATING, LLC	Oil	49230
42-329-40472	OVINTIV USA INC.	Oil	52800
42-329-40473	OVINTIV USA INC.	Oil	52800
42-329-40474	OVINTIV USA INC.	Oil	42032
42-329-40475	OVINTIV USA INC.	Oil	47661
42-329-40476	CALLON PETROLEUM OPERATING CO	Oil	47079
42-329-40477	CALLON PETROLEUM OPERATING CO	Oil	47079
42-329-40478	PIONEER NATURAL RES. USA, INC.	Oil	46106
42-329-40479	PIONEER NATURAL RES. USA, INC.	Oil	46106
42-329-40480	PIONEER NATURAL RES. USA, INC.	Oil	46106
42-329-40481	PIONEER NATURAL RES. USA, INC.	Oil	46106
42-329-40482	OVINTIV USA INC.	Oil	47661
42-329-40483	OVINTIV USA INC.	Oil	47661
42-329-40484	PIONEER NATURAL RES. USA, INC.	Oil	47960
42-329-40485	XTO ENERGY INC.	Oil	47597
42-329-40486	DIAMONDBACK E&P LLC	Oil	41340
42-329-40487	DIAMONDBACK E&P LLC	Oil	41340
42-329-40488	DIAMONDBACK E&P LLC	Oil	41340
42-329-40489	OVINTIV USA INC.	Oil	39923
42-329-40490	ENVIRONMENTAL DSPL SYSTEMS, LLC	Oil	47538
42-329-40491	ENVIRONMENTAL DSPL SYSTEMS, LLC	Oil	47462
42-329-40492	XTO ENERGY INC.	Oil	47637
42-329-40493	PIONEER NATURAL RES. USA, INC.	Oil	46106
42-329-40494	RSP PERMIAN, LLC
42-329-40495	RSP PERMIAN, LLC
42-329-40496	PIONEER NATURAL RES. USA, INC.	Oil	46106
42-329-40497	PIONEER NATURAL RES. USA, INC.	Oil	48162
42-329-40498	RSP PERMIAN, LLC
42-329-40499	CROWNQUEST OPERATING, LLC	Oil	47623
42-329-40500	RSP PERMIAN, LLC
42-329-40501	CALLON PETROLEUM OPERATING CO	Oil	38873
42-329-40502	CROWNQUEST OPERATING, LLC
42-329-40503	CALLON PETROLEUM OPERATING CO	Oil	38873
42-329-40504	BTA OIL PRODUCERS, LLC
42-329-40505	DIAMONDBACK E&P LLC
42-329-40506	DIAMONDBACK E&P LLC
42-329-40507	DIAMONDBACK E&P LLC
42-329-40508	DIAMONDBACK E&P LLC
42-329-40509	XTO ENERGY INC.	Oil	49514
42-329-40510	DIAMONDBACK E&P LLC
42-329-40511	DIAMONDBACK E&P LLC
42-329-40512	DIAMONDBACK E&P LLC
42-329-40513	CALLON PETROLEUM OPERATING CO	Oil	47978
42-329-40514	DIAMONDBACK E&P LLC
42-329-40515	CALLON PETROLEUM OPERATING CO	Oil	47980
42-329-40516	CALLON PETROLEUM OPERATING CO	Oil	47979
42-329-40517	PIONEER NATURAL RES. USA, INC.	Oil	48944
42-329-40518	PIONEER NATURAL RES. USA, INC.	Oil	48593
42-329-40519	PIONEER NATURAL RES. USA, INC.	Oil	48509
42-329-40520	XTO ENERGY INC.	Oil	39040
42-329-40521	PIONEER NATURAL RES. USA, INC.	Oil	48861
42-329-40522	XTO ENERGY INC.
42-329-40523	CROWNQUEST OPERATING, LLC	Oil	44329
42-329-40524	XTO ENERGY INC.	Oil	49514
42-329-40525	COG OPERATING LLC	Oil	49132
42-329-40526	COG OPERATING LLC	Oil	49132
42-329-40527	XTO ENERGY INC.
42-329-40528	XTO ENERGY INC.	Oil	48057
42-329-40529	XTO ENERGY INC.	Oil	47973
42-329-40530	XTO ENERGY INC.
42-329-40531	XTO ENERGY INC.	Oil	49514
42-329-40532	XTO ENERGY INC.	Oil	49514
42-329-40533	XTO ENERGY INC.
42-329-40534	XTO ENERGY INC.
42-329-40535	XTO ENERGY INC.
42-329-40536	XTO ENERGY INC.
42-329-40537	XTO ENERGY INC.
42-329-40538	XTO ENERGY INC.
42-329-40539	XTO ENERGY INC.
42-329-40540	XTO ENERGY INC.	Oil	39040
42-329-40541	CALLON PETROLEUM OPERATING CO	Oil	38905
42-329-40542	CALLON PETROLEUM OPERATING CO	Oil	38905
42-329-40543	CALLON PETROLEUM OPERATING CO	Oil	47725
42-329-40544	CROWNQUEST OPERATING, LLC	Oil	47688
42-329-40545	CROWNQUEST OPERATING, LLC	Oil	47688
42-329-40546	CROWNQUEST OPERATING, LLC
42-329-40547	CROWNQUEST OPERATING, LLC
42-329-40548	CROWNQUEST OPERATING, LLC
42-329-40549	CROWNQUEST OPERATING, LLC
42-329-40550	PIONEER NATURAL RES. USA, INC.	Oil	06390
42-329-40551	PIONEER NATURAL RES. USA, INC.	Oil	06390
42-329-40552	PIONEER NATURAL RES. USA, INC.	Oil	06390
42-329-40553	SUMMIT PETROLEUM LLC	Oil	37392
42-329-40554	CROWNQUEST OPERATING, LLC
42-329-40555	CROWNQUEST OPERATING, LLC
42-329-40556	CROWNQUEST OPERATING, LLC
42-329-40557	OVINTIV USA INC.	Oil	47690
42-329-40558	FASKEN OIL AND RANCH, LTD.	Oil	39539
42-329-40559	CALLON PETROLEUM OPERATING CO	Oil	47979
42-329-40560	CALLON PETROLEUM OPERATING CO	Oil	47980
42-329-40561	XTO ENERGY INC.
42-329-40562	XTO ENERGY INC.
42-329-40563	PIONEER NATURAL RES. USA, INC.	Oil	46263
42-329-40564	PIONEER NATURAL RES. USA, INC.	Oil	46263
42-329-40565	PIONEER NATURAL RES. USA, INC.	Oil	46263
42-329-40566	CHEVRON U. S. A. INC.	Oil	51273
42-329-40567	PIONEER NATURAL RES. USA, INC.	Oil	46106
42-329-40568	Lario Oil & Gas Company	Oil	48297
42-329-40569	PIONEER NATURAL RES. USA, INC.	Oil	46106
42-329-40570	PIONEER NATURAL RES. USA, INC.	Oil	46106
42-329-40571	PIONEER NATURAL RES. USA, INC.	Oil	46106
42-329-40572	PIONEER NATURAL RES. USA, INC.	Oil	46106
42-329-40573	PIONEER NATURAL RES. USA, INC.	Oil	46106
42-329-40574	CHEVRON U. S. A. INC.	Oil	51273
42-329-40575	CHEVRON U. S. A. INC.	Oil	40422
42-329-40576	CHEVRON U. S. A. INC.	Oil	40422
42-329-40577	PIONEER NATURAL RES. USA, INC.
42-329-40578	PIONEER NATURAL RES. USA, INC.
42-329-40579	ENVIRONMENTAL DSPL SYSTEMS, LLC	Oil	47557
42-329-40580	PIONEER NATURAL RES. USA, INC.
42-329-40581	XTO ENERGY INC.	Oil	47553
42-329-40582	PIONEER NATURAL RES. USA, INC.
42-329-40583	PIONEER NATURAL RES. USA, INC.
42-329-40584	PIONEER NATURAL RES. USA, INC.
42-329-40585	XTO ENERGY INC.	Oil	47553
42-329-40586	RELENTLESS PERMIAN OPERATING LLC	Oil	42307
42-329-40587	XTO ENERGY INC.	Oil	47553
42-329-40588	RELENTLESS PERMIAN OPERATING LLC	Oil	42307
42-329-40589	XTO ENERGY INC.	Oil	47553
42-329-40590	FDL OPERATING, LLC	Oil	48987
42-329-40591	SUMMIT PETROLEUM LLC	Oil	37392
42-329-40592	OVINTIV USA INC.	Oil	47690
42-329-40593	FASKEN OIL AND RANCH, LTD.	Oil	39539
42-329-40594	CALLON PETROLEUM OPERATING CO	Oil	38807
42-329-40595	CHEVRON U. S. A. INC.	Oil	35296
42-329-40596	CROWNQUEST OPERATING, LLC	Oil	47682
42-329-40597	CHEVRON U. S. A. INC.	Oil	35296
42-329-40598	CHEVRON U. S. A. INC.	Oil	35296
42-329-40599	CHEVRON U. S. A. INC.	Oil	35296
42-329-40600	FASKEN OIL AND RANCH, LTD.	Oil	39539
42-329-40601	FASKEN OIL AND RANCH, LTD.	Oil	39539
42-329-40602	XTO ENERGY INC.
42-329-40603	XTO ENERGY INC.
42-329-40604	PIONEER NATURAL RES. USA, INC.	Oil	46263
42-329-40605	PIONEER NATURAL RES. USA, INC.	Oil	46263
42-329-40606	PIONEER NATURAL RES. USA, INC.	Oil	46263
42-329-40607	XTO ENERGY INC.	Oil	48170
42-329-40608	DE3 OPERATING LLC	Oil	48208
42-329-40609	DE3 OPERATING LLC	Oil	48208
42-329-40610	FASKEN OIL AND RANCH, LTD.	Oil	39539
42-329-40611	XTO ENERGY INC.
42-329-40612	XTO ENERGY INC.
42-329-40613	XTO ENERGY INC.
42-329-40614	XTO ENERGY INC.
42-329-40615	XTO ENERGY INC.
42-329-40616	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-40617	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-40618	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-40619	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-40620	CALLON PETROLEUM OPERATING CO	Oil	49314
42-329-40621	XTO ENERGY INC.
42-329-40622	CALLON PETROLEUM OPERATING CO	Oil	49322
42-329-40623	CALLON PETROLEUM OPERATING CO	Oil	49453
42-329-40624	PIONEER NATURAL RES. USA, INC.	Oil	47241
42-329-40625	PIONEER NATURAL RES. USA, INC.	Oil	47241
42-329-40626	PIONEER NATURAL RES. USA, INC.
42-329-40627	RP OPERATING, L.L.C.
42-329-40628	PARSLEY ENERGY OPERATIONS, LLC	Oil	48098
42-329-40629	PARSLEY ENERGY OPERATIONS, LLC	Oil	47635
42-329-40630	Lario Oil & Gas Company	Oil	48297
42-329-40631	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-40632	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-40633	CROWNQUEST OPERATING, LLC	Oil	47623
42-329-40634	CROWNQUEST OPERATING, LLC
42-329-40635	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-40636	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-40637	CROWNQUEST OPERATING, LLC
42-329-40638	FASKEN OIL AND RANCH, LTD.	Oil	39539
42-329-40639	CROWNQUEST OPERATING, LLC
42-329-40640	ENDEAVOR ENERGY RESOURCES L.P.	Oil	47471
42-329-40642	CROWNQUEST OPERATING, LLC	Oil	44329
42-329-40643	CROWNQUEST OPERATING, LLC	Oil	47832
42-329-40644	CROWNQUEST OPERATING, LLC	Oil	47832
42-329-40645	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-40646	XTO ENERGY INC.
42-329-40647	DIAMONDBACK E&P LLC	Oil	47022
42-329-40648	DIAMONDBACK E&P LLC	Oil	47022
42-329-40649	DIAMONDBACK E&P LLC	Oil	47022
42-329-40650	DIAMONDBACK E&P LLC	Oil	47022
42-329-40651	XTO ENERGY INC.
42-329-40652	FASKEN OIL AND RANCH, LTD.	Oil	39539
42-329-40653	XTO ENERGY INC.
42-329-40654	FASKEN OIL AND RANCH, LTD.	Oil	39539
42-329-40655	XTO ENERGY INC.	Oil	49556
42-329-40656	OVINTIV USA INC.	Oil	47825
42-329-40657	OVINTIV USA INC.	Oil	47825
42-329-40658	OVINTIV USA INC.	Oil	47825
42-329-40659	OVINTIV USA INC.	Oil	47825
42-329-40660	OVINTIV USA INC.	Oil	47888
42-329-40661	OVINTIV USA INC.	Oil	47888
42-329-40662	OVINTIV USA INC.	Oil	47888
42-329-40663	OVINTIV USA INC.	Oil	47888
42-329-40664	OVINTIV USA INC.	Oil	47943
42-329-40665	OVINTIV USA INC.	Oil	47943
42-329-40666	OVINTIV USA INC.	Oil	47943
42-329-40667	OVINTIV USA INC.	Oil	47942
42-329-40668	OVINTIV USA INC.	Oil	47942
42-329-40669	OVINTIV USA INC.	Oil	47942
42-329-40670	CROWNQUEST OPERATING, LLC
42-329-40671	CROWNQUEST OPERATING, LLC
42-329-40672	FASKEN OIL AND RANCH, LTD.	Oil	39539
42-329-40673	FASKEN OIL AND RANCH, LTD.	Oil	39539
42-329-40674	FASKEN OIL AND RANCH, LTD.	Oil	39539
42-329-40675	PIONEER NATURAL RES. USA, INC.	Oil	47994
42-329-40676	PIONEER NATURAL RES. USA, INC.	Oil	48193
42-329-40677	CHEVRON U. S. A. INC.	Oil	43259
42-329-40678	CHEVRON U. S. A. INC.	Oil	43259
42-329-40679	CHEVRON U. S. A. INC.	Oil	43259
42-329-40680	CHEVRON U. S. A. INC.	Oil	43259
42-329-40681	CHEVRON U. S. A. INC.	Oil	43259
42-329-40682	CHEVRON U. S. A. INC.	Oil	43259
42-329-40683	CHEVRON U. S. A. INC.	Oil	43259
42-329-40684	CHEVRON U. S. A. INC.	Oil	43259
42-329-40685	CROWNQUEST OPERATING, LLC	Oil	54328
42-329-40686	FASKEN OIL AND RANCH, LTD.	Oil	39539
42-329-40687	PIONEER NATURAL RES. USA, INC.	Oil	48194
42-329-40688	Hunt Oil Company	Oil	48934
42-329-40689	CALLON PETROLEUM OPERATING CO	Oil	38807
42-329-40690	CALLON PETROLEUM OPERATING CO	Oil	38807
42-329-40691	Hunt Oil Company	Oil	46801
42-329-40692	CALLON PETROLEUM OPERATING CO	Oil	38807
42-329-40693	COG OPERATING LLC	Oil	48498
42-329-40694	COG OPERATING LLC	Oil	48498
42-329-40695	COG OPERATING LLC	Oil	48498
42-329-40696	COG OPERATING LLC	Oil	48498
42-329-40697	Hunt Oil Company	Oil	46801
42-329-40698	XTO ENERGY INC.	Oil	47846
42-329-40699	XTO ENERGY INC.	Oil	47846
42-329-40700	XTO ENERGY INC.	Oil	47846
42-329-40701	XTO ENERGY INC.	Oil	47846
42-329-40702	XTO ENERGY INC.	Oil	47846
42-329-40703	XTO ENERGY INC.	Oil	47846
42-329-40704	XTO ENERGY INC.	Oil	47846
42-329-40705	CROWNQUEST OPERATING, LLC	Oil	47853
42-329-40706	CHEVRON U. S. A. INC.	Oil	46042
42-329-40707	CHEVRON U. S. A. INC.	Oil	46689
42-329-40708	CHEVRON U. S. A. INC.	Oil	46358
42-329-40709	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-40710	PIONEER NATURAL RES. USA, INC.	Oil	46263
42-329-40711	PIONEER NATURAL RES. USA, INC.	Oil	46263
42-329-40712	PIONEER NATURAL RES. USA, INC.	Oil	46263
42-329-40713	FASKEN OIL AND RANCH, LTD.	Oil	39539
42-329-40714	HOUSTON PIPE LINE COMPANY LP
42-329-40715	DIAMONDBACK E&P LLC
42-329-40716	DIAMONDBACK E&P LLC	Oil	49336
42-329-40717	DIAMONDBACK E&P LLC	Oil	49336
42-329-40718	DIAMONDBACK E&P LLC	Oil	49336
42-329-40719	CALLON PETROLEUM OPERATING CO	Oil	47916
42-329-40720	XTO ENERGY INC.
42-329-40721	XTO ENERGY INC.
42-329-40722	CALLON PETROLEUM OPERATING CO	Oil	47917
42-329-40723	XTO ENERGY INC.
42-329-40724	XTO ENERGY INC.
42-329-40725	XTO ENERGY INC.
42-329-40726	ENCANA OIL & GAS(USA) INC.
42-329-40727	CHEVRON U. S. A. INC.
42-329-40728	PIONEER NATURAL RES. USA, INC.
42-329-40729	CHEVRON U. S. A. INC.
42-329-40730	PIONEER NATURAL RES. USA, INC.
42-329-40731	PIONEER NATURAL RES. USA, INC.
42-329-40732	CHEVRON U. S. A. INC.
42-329-40733	ENERGEN RESOURCES CORPORATION
42-329-40734	CROWNQUEST OPERATING, LLC	Oil	48054
42-329-40735	PIONEER NATURAL RES. USA, INC.
42-329-40736	PIONEER NATURAL RES. USA, INC.
42-329-40737	PIONEER NATURAL RES. USA, INC.
42-329-40738	FASKEN OIL AND RANCH, LTD.	Oil	39539
42-329-40739	PIONEER NATURAL RES. USA, INC.
42-329-40740	PIONEER NATURAL RES. USA, INC.
42-329-40741	PIONEER NATURAL RES. USA, INC.
42-329-40742	DIAMONDBACK E&P LLC	Oil	41340
42-329-40743	DIAMONDBACK E&P LLC	Oil	41340
42-329-40744	RELENTLESS PERMIAN OPERATING LLC	Oil	42307
42-329-40745	PIONEER NATURAL RES. USA, INC.	Oil	47855
42-329-40746	PIONEER NATURAL RES. USA, INC.	Oil	47855
42-329-40747	PIONEER NATURAL RES. USA, INC.	Oil	47855
42-329-40748	PIONEER NATURAL RES. USA, INC.	Oil	47855
42-329-40749	PIONEER NATURAL RES. USA, INC.	Oil	47855
42-329-40750	PIONEER NATURAL RES. USA, INC.	Oil	47855
42-329-40751	COG OPERATING LLC	Oil	48133
42-329-40752	ENCANA OIL & GAS(USA) INC.
42-329-40753	COG OPERATING LLC
42-329-40754	COG OPERATING LLC
42-329-40755	COG OPERATING LLC
42-329-40756	CHEVRON U. S. A. INC.	Oil	35296
42-329-40757	CHEVRON U. S. A. INC.	Oil	35296
42-329-40758	CHEVRON U. S. A. INC.	Oil	35296
42-329-40759	CHEVRON U. S. A. INC.	Oil	35296
42-329-40760	FASKEN OIL AND RANCH, LTD.	Oil	39539
42-329-40761	DIAMONDBACK E&P LLC	Oil	50287
42-329-40762	DIAMONDBACK E&P LLC	Oil	50187
42-329-40763	FASKEN OIL AND RANCH, LTD.	Oil	47876
42-329-40764	COG OPERATING LLC	Oil	39630
42-329-40765	COG OPERATING LLC	Oil	39630
42-329-40766	XTO ENERGY INC.
42-329-40767	XTO ENERGY INC.
42-329-40768	FASKEN OIL AND RANCH, LTD.	Oil	47876
42-329-40769	XTO ENERGY INC.
42-329-40770	XTO ENERGY INC.
42-329-40771	XTO ENERGY INC.
42-329-40772	XTO ENERGY INC.
42-329-40773	XTO ENERGY INC.
42-329-40774	XTO ENERGY INC.
42-329-40775	XTO ENERGY INC.
42-329-40776	CALLON PETROLEUM OPERATING CO
42-329-40777	CALLON PETROLEUM OPERATING CO
42-329-40778	XTO ENERGY INC.
42-329-40779	PIONEER NATURAL RES. USA, INC.
42-329-40780	PIONEER NATURAL RES. USA, INC.
42-329-40781	PIONEER NATURAL RES. USA, INC.
42-329-40782	AMRICH OPERATING, LLC	Oil	49523
42-329-40783	AMRICH OPERATING, LLC
42-329-40784	TALL CITY BRINE LLC	Oil	48068
42-329-40785	FASKEN OIL AND RANCH, LTD.	Oil	47876
42-329-40786	PIONEER NATURAL RES. USA, INC.	Oil	46106
42-329-40787	PIONEER NATURAL RES. USA, INC.	Oil	46106
42-329-40788	XTO ENERGY INC.
42-329-40789	CHEVRON U. S. A. INC.	Oil	48188
42-329-40790	PIONEER NATURAL RES. USA, INC.	Oil	47241
42-329-40791	PIONEER NATURAL RES. USA, INC.	Oil	47241
42-329-40792	PIONEER NATURAL RES. USA, INC.	Oil	47241
42-329-40793	CROWNQUEST OPERATING, LLC	Oil	47682
42-329-40794	PARSLEY ENERGY OPERATIONS, LLC	Oil	19419
42-329-40795	XTO ENERGY INC.
42-329-40796	XTO ENERGY INC.
42-329-40797	XTO ENERGY INC.
42-329-40798	XTO ENERGY INC.
42-329-40799	XTO ENERGY INC.
42-329-40800	XTO ENERGY INC.
42-329-40801	ENDEAVOR ENERGY RESOURCES L.P.	Oil	48257
42-329-40802	ENDEAVOR ENERGY RESOURCES L.P.	Oil	48257
42-329-40803	ENDEAVOR ENERGY RESOURCES L.P.	Oil	48257
42-329-40804	ENDEAVOR ENERGY RESOURCES L.P.	Oil	48257
42-329-40805	DIAMONDBACK E&P LLC	Oil	47947
42-329-40806	DIAMONDBACK E&P LLC	Oil	47947
42-329-40807	PIONEER NATURAL RES. USA, INC.	Oil	44078
42-329-40808	PIONEER NATURAL RES. USA, INC.	Oil	44078
42-329-40809	PIONEER NATURAL RES. USA, INC.	Oil	44078
42-329-40810	CHEVRON U. S. A. INC.	Oil	48189
42-329-40811	CHEVRON U. S. A. INC.	Oil	48308
42-329-40812	CHEVRON U. S. A. INC.	Oil	48195
42-329-40813	SUMMIT PETROLEUM LLC	Oil	48383
42-329-40814	FASKEN OIL AND RANCH, LTD.	Oil	47876
42-329-40815	PIONEER NATURAL RES. USA, INC.	Oil	44078
42-329-40816	PIONEER NATURAL RES. USA, INC.	Oil	44078
42-329-40817	XTO ENERGY INC.
42-329-40818	XTO ENERGY INC.
42-329-40819	FASKEN OIL AND RANCH, LTD.	Oil	47876
42-329-40820	FASKEN OIL AND RANCH, LTD.
42-329-40821	PIONEER NATURAL RES. USA, INC.	Oil	46263
42-329-40822	PIONEER NATURAL RES. USA, INC.	Oil	46263
42-329-40823	PIONEER NATURAL RES. USA, INC.	Oil	46263
42-329-40824	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-40825	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-40826	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-40827	CHEVRON U. S. A. INC.	Oil	47674
42-329-40828	CHEVRON U. S. A. INC.	Oil	47674
42-329-40829	CHEVRON U. S. A. INC.	Oil	47764
42-329-40830	CHEVRON U. S. A. INC.	Oil	47764
42-329-40831	DIAMONDBACK E&P LLC	Oil	47947
42-329-40832	DIAMONDBACK E&P LLC	Oil	47947
42-329-40833	CROWNQUEST OPERATING, LLC	Oil	48125
42-329-40834	RUGER PROPERTIES, LLC	Oil	47959
42-329-40835	CHEVRON U. S. A. INC.
42-329-40836	CHEVRON U. S. A. INC.	Oil	40422
42-329-40837	CHEVRON U. S. A. INC.	Oil	40422
42-329-40838	CROWNQUEST OPERATING, LLC	Oil	47682
42-329-40839	CHEVRON U. S. A. INC.	Oil	48560
42-329-40840	CHEVRON U. S. A. INC.	Oil	48529
42-329-40841	CHEVRON U. S. A. INC.	Oil	48607
42-329-40842	CHEVRON U. S. A. INC.	Oil	48544
42-329-40843	TRAIL RIDGE ENERGY PRTNS II LLC
42-329-40844	CROWNQUEST OPERATING, LLC	Oil	44329
42-329-40845	PIONEER NATURAL RES. USA, INC.	Oil	46263
42-329-40846	CHEVRON U. S. A. INC.	Oil	40422
42-329-40847	PIONEER NATURAL RES. USA, INC.	Oil	46263
42-329-40848	CHEVRON U. S. A. INC.
42-329-40849	Apache Corporation
42-329-40850	Apache Corporation
42-329-40851	CHEVRON U. S. A. INC.	Oil	47954
42-329-40852	CHEVRON U. S. A. INC.	Oil	47954
42-329-40853	CHEVRON U. S. A. INC.	Oil	47393
42-329-40854	CHEVRON U. S. A. INC.	Oil	47930
42-329-40855	DIAMONDBACK E&P LLC	Oil	45236
42-329-40856	DIAMONDBACK E&P LLC	Oil	45236
42-329-40857	PIONEER NATURAL RES. USA, INC.	Oil	46263
42-329-40858	PIONEER NATURAL RES. USA, INC.	Oil	46263
42-329-40859	PIONEER NATURAL RES. USA, INC.	Oil	46263
42-329-40860	PIONEER NATURAL RES. USA, INC.	Oil	47855
42-329-40861	PIONEER NATURAL RES. USA, INC.	Oil	47855
42-329-40862	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-40863	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-40864	PIONEER NATURAL RES. USA, INC.	Oil	47855
42-329-40865	PIONEER NATURAL RES. USA, INC.	Oil	47855
42-329-40866	PIONEER NATURAL RES. USA, INC.	Oil	47855
42-329-40867	PIONEER NATURAL RES. USA, INC.	Oil	47855
42-329-40868	CROWNQUEST OPERATING, LLC	Oil	48054
42-329-40869	FASKEN OIL AND RANCH, LTD.	Oil	47876
42-329-40870	FASKEN OIL AND RANCH, LTD.	Oil	47876
42-329-40871	XTO ENERGY INC.	Oil	39040
42-329-40872	COG OPERATING LLC	Oil	17547
42-329-40873	COG OPERATING LLC	Oil	17547
42-329-40874	FASKEN OIL AND RANCH, LTD.	Oil	47876
42-329-40875	COG OPERATING LLC	Oil	17547
42-329-40876	COG OPERATING LLC	Oil	17547
42-329-40877	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-40878	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-40879	FASKEN OIL AND RANCH, LTD.	Oil	47876
42-329-40880	FASKEN OIL AND RANCH, LTD.	Oil	47876
42-329-40881	DIAMONDBACK E&P LLC
42-329-40882	DIAMONDBACK E&P LLC
42-329-40883	DIAMONDBACK E&P LLC
42-329-40884	DIAMONDBACK E&P LLC
42-329-40885	PIONEER NATURAL RES. USA, INC.	Oil	46907
42-329-40886	PIONEER NATURAL RES. USA, INC.	Oil	46907
42-329-40887	PIONEER NATURAL RES. USA, INC.	Oil	50662
42-329-40888	PIONEER NATURAL RES. USA, INC.	Oil	50768
42-329-40889	PIONEER NATURAL RES. USA, INC.	Oil	50751
42-329-40890	CALLON PETROLEUM OPERATING CO	Oil	48435
42-329-40891	CALLON PETROLEUM OPERATING CO	Oil	48436
42-329-40892	CALLON PETROLEUM OPERATING CO	Oil	48437
42-329-40893	PIONEER NATURAL RES. USA, INC.	Oil	06521
42-329-40894	DIAMONDBACK E&P LLC	Oil	50224
42-329-40895	COG OPERATING LLC	Oil	17547
42-329-40896	PIONEER NATURAL RES. USA, INC.	Oil	48917
42-329-40897	DIAMONDBACK E&P LLC	Oil	50224
42-329-40898	DIAMONDBACK E&P LLC	Oil	50224
42-329-40899	PIONEER NATURAL RES. USA, INC.	Oil	48918
42-329-40900	PIONEER NATURAL RES. USA, INC.	Oil	48907
42-329-40901	PIONEER NATURAL RES. USA, INC.	Oil	48920
42-329-40902	PIONEER NATURAL RES. USA, INC.	Oil	48922
42-329-40903	DIAMONDBACK E&P LLC	Oil	50224
42-329-40904	PIONEER NATURAL RES. USA, INC.	Oil	48823
42-329-40905	COG OPERATING LLC	Oil	17547
42-329-40906	COG OPERATING LLC	Oil	17547
42-329-40907	PIONEER NATURAL RES. USA, INC.	Oil	46263
42-329-40908	PIONEER NATURAL RES. USA, INC.	Oil	46263
42-329-40909	PIONEER NATURAL RES. USA, INC.	Oil	46263
42-329-40910	PIONEER NATURAL RES. USA, INC.	Oil	46263
42-329-40911	PIONEER NATURAL RES. USA, INC.	Oil	46263
42-329-40912	PIONEER NATURAL RES. USA, INC.
42-329-40913	PIONEER NATURAL RES. USA, INC.
42-329-40914	COG OPERATING LLC	Oil	39630
42-329-40915	COG OPERATING LLC	Oil	39630
42-329-40916	PARSLEY ENERGY OPERATIONS, LLC
42-329-40917	PIONEER NATURAL RES. USA, INC.	Oil	46263
42-329-40918	PIONEER NATURAL RES. USA, INC.	Oil	46263
42-329-40919	PIONEER NATURAL RES. USA, INC.	Oil	46263
42-329-40920	EARTHSTONE OPERATING, LLC	Oil	47895
42-329-40921	COG OPERATING LLC	Oil	17547
42-329-40922	DISCOVERY OPERATING, INC.	Oil	48301
42-329-40923	DISCOVERY OPERATING, INC.	Oil	48375
42-329-40924	DISCOVERY OPERATING, INC.	Oil	48240
42-329-40925	DISCOVERY OPERATING, INC.
42-329-40926	FASKEN OIL AND RANCH, LTD.	Oil	47876
42-329-40927	FASKEN OIL AND RANCH, LTD.	Oil	47876
42-329-40928	FASKEN OIL AND RANCH, LTD.	Oil	47876
42-329-40929	CROWNQUEST OPERATING, LLC
42-329-40930	XTO ENERGY INC.	Oil	18819
42-329-40931	ENDEAVOR ENERGY RESOURCES L.P.	Oil	45614
42-329-40932	COG OPERATING LLC	Oil	17154
42-329-40933	COG OPERATING LLC	Oil	17154
42-329-40934	XTO ENERGY INC.	Oil	18819
42-329-40935	COG OPERATING LLC	Oil	49132
42-329-40936	ENDEAVOR ENERGY RESOURCES L.P.	Oil	48257
42-329-40937	ENDEAVOR ENERGY RESOURCES L.P.	Oil	48257
42-329-40938	ENDEAVOR ENERGY RESOURCES L.P.	Oil	48257
42-329-40939	COG OPERATING LLC	Oil	49132
42-329-40940	COG OPERATING LLC	Oil	17154
42-329-40941	COG OPERATING LLC	Oil	17154
42-329-40942	COG OPERATING LLC	Oil	17154
42-329-40944	CROWNQUEST OPERATING, LLC	Oil	47682
42-329-40945	DISCOVERY OPERATING, INC.	Oil	37618
42-329-40946	PIONEER NATURAL RES. USA, INC.	Oil	46263
42-329-40947	PIONEER NATURAL RES. USA, INC.	Oil	46263
42-329-40948	PIONEER NATURAL RES. USA, INC.	Oil	46263
42-329-40949	CALLON PETROLEUM OPERATING CO	Oil	38873
42-329-40950	CALLON PETROLEUM OPERATING CO	Oil	38873
42-329-40951	CALLON PETROLEUM OPERATING CO	Oil	38873
42-329-40952	DIAMONDBACK E&P LLC	Oil	49361
42-329-40953	DIAMONDBACK E&P LLC	Oil	49362
42-329-40954	DIAMONDBACK E&P LLC	Oil	49362
42-329-40955	FASKEN OIL AND RANCH, LTD.	Oil	47876
42-329-40956	DIAMONDBACK E&P LLC	Oil	49362
42-329-40957	DIAMONDBACK E&P LLC	Oil	49487
42-329-40958	DIAMONDBACK E&P LLC	Oil	49487
42-329-40959	XTO ENERGY INC.	Oil	51725
42-329-40960	DIAMONDBACK E&P LLC	Oil	49487
42-329-40961	XTO ENERGY INC.	Oil	50804
42-329-40962	XTO ENERGY INC.	Oil	50615
42-329-40963	XTO ENERGY INC.	Oil	50893
42-329-40964	XTO ENERGY INC.	Oil	50820
42-329-40965	XTO ENERGY INC.	Oil	50606
42-329-40967	XTO ENERGY INC.
42-329-40968	XTO ENERGY INC.
42-329-40969	XTO ENERGY INC.
42-329-40970	XTO ENERGY INC.
42-329-40971	XTO ENERGY INC.
42-329-40972	DIAMONDBACK E&P LLC	Oil	49461
42-329-40973	DIAMONDBACK E&P LLC	Oil	49461
42-329-40974	CROWNQUEST OPERATING, LLC
42-329-40975	FASKEN OIL AND RANCH, LTD.	Oil	47876
42-329-40976	DIAMONDBACK E&P LLC	Oil	48289
42-329-40977	DIAMONDBACK E&P LLC	Oil	48289
42-329-40978	DE3 OPERATING LLC	Oil	49811
42-329-40979	CROWNQUEST OPERATING, LLC	Oil	44329
42-329-40980	CALLON PETROLEUM OPERATING CO	Oil	47980
42-329-40981	DE3 OPERATING LLC	Oil	49811
42-329-40982	ENDEAVOR ENERGY RESOURCES L.P.	Oil	45614
42-329-40983	PIONEER NATURAL RES. USA, INC.	Oil	49140
42-329-40984	PIONEER NATURAL RES. USA, INC.	Oil	48850
42-329-40985	PIONEER NATURAL RES. USA, INC.	Oil	49140
42-329-40986	PIONEER NATURAL RES. USA, INC.	Oil	48850
42-329-40987	PIONEER NATURAL RES. USA, INC.	Oil	49140
42-329-40988	PIONEER NATURAL RES. USA, INC.	Oil	48850
42-329-40989	COG OPERATING LLC	Oil	17154
42-329-40990	COG OPERATING LLC	Oil	17154
42-329-40991	XTO ENERGY INC.	Oil	18819
42-329-40992	COG OPERATING LLC	Oil	17154
42-329-40993	CALLON PETROLEUM OPERATING CO	Oil	48260
42-329-40994	CALLON PETROLEUM OPERATING CO
42-329-40995	INDEPENDENCE RESOURCES MGMT, LLC
42-329-40996	CALLON PETROLEUM OPERATING CO	Oil	48456
42-329-40997	CALLON PETROLEUM OPERATING CO	Oil	38905
42-329-40998	CALLON PETROLEUM OPERATING CO	Oil	38905
42-329-40999	CALLON PETROLEUM OPERATING CO	Oil	38905
42-329-41000	XTO ENERGY INC.	Oil	48170
42-329-41001	XTO ENERGY INC.	Oil	48170
42-329-41002	XTO ENERGY INC.	Oil	48170
42-329-41003	COG OPERATING LLC	Oil	17154
42-329-41004	ENDEAVOR ENERGY RESOURCES L.P.	Oil	48257
42-329-41005	XTO ENERGY INC.	Oil	48330
42-329-41006	XTO ENERGY INC.	Oil	48501
42-329-41007	DIAMONDBACK E&P LLC	Oil	39560
42-329-41008	DIAMONDBACK E&P LLC	Oil	39560
42-329-41009	DIAMONDBACK E&P LLC	Oil	39560
42-329-41010	PERMIAN DEEP ROCK OIL CO., LLC	Oil	48373
42-329-41011	PIONEER NATURAL RES. USA, INC.	Oil	46263
42-329-41012	CROWNQUEST OPERATING, LLC	Oil	48820
42-329-41013	PIONEER NATURAL RES. USA, INC.	Oil	46263
42-329-41014	PIONEER NATURAL RES. USA, INC.	Oil	46263
42-329-41015	OVINTIV USA INC.	Oil	48873
42-329-41016	OVINTIV USA INC.	Oil	48873
42-329-41017	ENCANA OIL & GAS(USA) INC.
42-329-41018	OVINTIV USA INC.	Oil	48696
42-329-41019	OVINTIV USA INC.	Oil	48696
42-329-41020	DIAMONDBACK E&P LLC	Oil	48816
42-329-41021	OVINTIV USA INC.	Oil	48696
42-329-41022	DIAMONDBACK E&P LLC	Oil	48808
42-329-41023	COG OPERATING LLC	Oil	49376
42-329-41024	COG OPERATING LLC	Oil	49376
42-329-41025	COG OPERATING LLC	Oil	49376
42-329-41026	COG OPERATING LLC	Oil	49376
42-329-41027	OVERFLOW ENERGY PERMIAN, LLC	Gas	280718
42-329-41028	PIONEER NATURAL RES. USA, INC.	Oil	46263
42-329-41029	INDEPENDENCE RESOURCES MGMT, LLC	Oil	38763
42-329-41030	INDEPENDENCE RESOURCES MGMT, LLC	Oil	38763
42-329-41031	INDEPENDENCE RESOURCES MGMT, LLC	Oil	38763
42-329-41032	OVERFLOW ENERGY PERMIAN, LLC	Gas	280776
42-329-41033	INDEPENDENCE RESOURCES MGMT, LLC	Oil	38763
42-329-41034	PIONEER NATURAL RES. USA, INC.	Oil	46263
42-329-41035	PIONEER NATURAL RES. USA, INC.	Oil	46263
42-329-41036	INDEPENDENCE RESOURCES MGMT, LLC
42-329-41037	INDEPENDENCE RESOURCES MGMT, LLC	Oil	38763
42-329-41038	INDEPENDENCE RESOURCES MGMT, LLC	Oil	38763
42-329-41039	COG OPERATING LLC	Oil	17154
42-329-41040	COG OPERATING LLC	Oil	39630
42-329-41041	COG OPERATING LLC	Oil	39630
42-329-41042	RUGER PROPERTIES, LLC	Oil	48588
42-329-41043	COG OPERATING LLC	Oil	39630
42-329-41044	DIAMONDBACK E&P LLC	Oil	39560
42-329-41045	XTO ENERGY INC.	Oil	49773
42-329-41046	XTO ENERGY INC.	Oil	48711
42-329-41047	XTO ENERGY INC.	Oil	48711
42-329-41048	COG OPERATING LLC	Oil	17154
42-329-41049	DIAMONDBACK E&P LLC	Oil	39560
42-329-41050	COG OPERATING LLC	Oil	17154
42-329-41051	DIAMONDBACK E&P LLC	Oil	39560
42-329-41052	ENDEAVOR ENERGY RESOURCES L.P.	Oil	48852
42-329-41053	ENDEAVOR ENERGY RESOURCES L.P.	Oil	48852
42-329-41054	ENDEAVOR ENERGY RESOURCES L.P.	Oil	48852
42-329-41055	XTO ENERGY INC.	Oil	49773
42-329-41056	COG OPERATING LLC	Oil	48133
42-329-41057	ENDEAVOR ENERGY RESOURCES L.P.	Oil	48122
42-329-41058	ENDEAVOR ENERGY RESOURCES L.P.
42-329-41059	COG OPERATING LLC	Oil	17154
42-329-41060	DIAMONDBACK E&P LLC	Oil	41340
42-329-41061	DIAMONDBACK E&P LLC	Oil	41340
42-329-41062	PIONEER NATURAL RES. USA, INC.	Oil	49137
42-329-41063	Apache Corporation	Oil	47468
42-329-41064	COG OPERATING LLC	Oil	17154
42-329-41065	PIONEER NATURAL RES. USA, INC.	Oil	49321
42-329-41066	PIONEER NATURAL RES. USA, INC.	Oil	49088
42-329-41067	XTO ENERGY INC.	Oil	39040
42-329-41068	Apache Corporation	Oil	47427
42-329-41069	XTO ENERGY INC.	Oil	48620
42-329-41070	Apache Corporation	Oil	47427
42-329-41071	Apache Corporation	Oil	47427
42-329-41072	Apache Corporation	Oil	47427
42-329-41073	Apache Corporation	Oil	47427
42-329-41074	XTO ENERGY INC.	Oil	48620
42-329-41075	XTO ENERGY INC.	Oil	49645
42-329-41076	ENDEAVOR ENERGY RESOURCES L.P.	Oil	48852
42-329-41077	Apache Corporation	Oil	47427
42-329-41078	XTO ENERGY INC.	Oil	49645
42-329-41079	ENDEAVOR ENERGY RESOURCES L.P.	Oil	48852
42-329-41080	EARTHSTONE OPERATING, LLC	Oil	46678
42-329-41081	PIONEER NATURAL RES. USA, INC.	Oil	48935
42-329-41082	PIONEER NATURAL RES. USA, INC.	Oil	48935
42-329-41083	PIONEER NATURAL RES. USA, INC.	Oil	48935
42-329-41084	PIONEER NATURAL RES. USA, INC.
42-329-41085	PIONEER NATURAL RES. USA, INC.
42-329-41086	PIONEER NATURAL RES. USA, INC.
42-329-41087	PIONEER NATURAL RES. USA, INC.
42-329-41088	PIONEER NATURAL RES. USA, INC.
42-329-41089	PIONEER NATURAL RES. USA, INC.
42-329-41090	PIONEER NATURAL RES. USA, INC.	Oil	49033
42-329-41091	PIONEER NATURAL RES. USA, INC.	Oil	49027
42-329-41092	PIONEER NATURAL RES. USA, INC.	Oil	49028
42-329-41093	CHEVRON U. S. A. INC.	Oil	48825
42-329-41094	CHEVRON U. S. A. INC.
42-329-41095	CHEVRON U. S. A. INC.	Oil	48924
42-329-41096	CHEVRON U. S. A. INC.	Oil	48931
42-329-41097	CHEVRON U. S. A. INC.	Oil	49450
42-329-41098	CHEVRON U. S. A. INC.	Oil	49456
42-329-41099	ENDEAVOR ENERGY RESOURCES L.P.
42-329-41100	JM COX RESOURCES, L.P.	Oil	50386
42-329-41101	PIONEER NATURAL RES. USA, INC.	Oil	46263
42-329-41102	PIONEER NATURAL RES. USA, INC.	Oil	46263
42-329-41103	CHEVRON U. S. A. INC.	Oil	48439
42-329-41104	CHEVRON U. S. A. INC.
42-329-41105	COG OPERATING LLC	Oil	39630
42-329-41106	PIONEER NATURAL RES. USA, INC.	Oil	46263
42-329-41107	CHEVRON U. S. A. INC.
42-329-41108	PIONEER NATURAL RES. USA, INC.	Oil	46263
42-329-41109	CHEVRON U. S. A. INC.	Oil	48427
42-329-41110	CHEVRON U. S. A. INC.	Oil	48789
42-329-41111	CHEVRON U. S. A. INC.
42-329-41112	CHEVRON U. S. A. INC.	Oil	48775
42-329-41113	CHEVRON U. S. A. INC.	Oil	48442
42-329-41114	CHEVRON U. S. A. INC.	Oil	48851
42-329-41115	PIONEER NATURAL RES. USA, INC.	Oil	46263
42-329-41116	DIAMONDBACK E&P LLC	Oil	50026
42-329-41117	DIAMONDBACK E&P LLC	Oil	50026
42-329-41118	DIAMONDBACK E&P LLC	Oil	50026
42-329-41119	DIAMONDBACK E&P LLC	Oil	50026
42-329-41120	CHEVRON U. S. A. INC.	Oil	50946
42-329-41121	OVINTIV USA INC.	Oil	48714
42-329-41122	OVINTIV USA INC.	Oil	48714
42-329-41123	OVINTIV USA INC.	Oil	48714
42-329-41124	OVINTIV USA INC.	Oil	48714
42-329-41125	OVINTIV USA INC.	Oil	49836
42-329-41126	OVINTIV USA INC.	Oil	49836
42-329-41127	OVINTIV USA INC.	Oil	49836
42-329-41128	OVINTIV USA INC.	Oil	49836
42-329-41129	OVINTIV USA INC.	Oil	48919
42-329-41130	OVINTIV USA INC.	Oil	48919
42-329-41131	OVINTIV USA INC.	Oil	48919
42-329-41132	OVINTIV USA INC.	Oil	48919
42-329-41133	DIAMONDBACK E&P LLC	Oil	47947
42-329-41134	DIAMONDBACK E&P LLC	Oil	47947
42-329-41135	DIAMONDBACK E&P LLC	Oil	47947
42-329-41136	DIAMONDBACK E&P LLC	Oil	50013
42-329-41137	PIONEER NATURAL RES. USA, INC.	Oil	48862
42-329-41138	PIONEER NATURAL RES. USA, INC.	Oil	48712
42-329-41139	PIONEER NATURAL RES. USA, INC.	Oil	48879
42-329-41140	PIONEER NATURAL RES. USA, INC.	Oil	48757
42-329-41141	PIONEER NATURAL RES. USA, INC.	Oil	48898
42-329-41142	PIONEER NATURAL RES. USA, INC.	Oil	48933
42-329-41143	CROWNQUEST OPERATING, LLC	Oil	49249
42-329-41144	XTO ENERGY INC.	Oil	48566
42-329-41145	XTO ENERGY INC.	Oil	48566
42-329-41146	XTO ENERGY INC.	Oil	48566
42-329-41147	XTO ENERGY INC.	Oil	48566
42-329-41148	XTO ENERGY INC.
42-329-41149	XTO ENERGY INC.
42-329-41150	XTO ENERGY INC.
42-329-41151	XTO ENERGY INC.
42-329-41152	DE3 OPERATING LLC	Oil	22416
42-329-41153	DIAMONDBACK E&P LLC	Oil	50892
42-329-41154	DIAMONDBACK E&P LLC
42-329-41155	DIAMONDBACK E&P LLC	Oil	50870
42-329-41156	DIAMONDBACK E&P LLC	Oil	51679
42-329-41157	INDEPENDENCE RESOURCES MGMT, LLC	Oil	38763
42-329-41158	CHEVRON U. S. A. INC.	Oil	48883
42-329-41159	CROWNQUEST OPERATING, LLC	Oil	48288
42-329-41160	CHEVRON U. S. A. INC.	Oil	48883
42-329-41161	CHEVRON U. S. A. INC.	Oil	48749
42-329-41162	CHEVRON U. S. A. INC.	Oil	48749
42-329-41163	XTO ENERGY INC.	Oil	39040
42-329-41164	DIAMONDBACK E&P LLC
42-329-41165	DIAMONDBACK E&P LLC
42-329-41166	DIAMONDBACK E&P LLC
42-329-41167	DIAMONDBACK E&P LLC	Oil	39560
42-329-41168	CROWNQUEST OPERATING, LLC	Oil	48821
42-329-41169	RSP PERMIAN, LLC
42-329-41170	RSP PERMIAN, LLC
42-329-41171	RSP PERMIAN, LLC
42-329-41172	COG OPERATING LLC	Oil	49006
42-329-41173	PIONEER NATURAL RES. USA, INC.	Oil	50535
42-329-41174	PIONEER NATURAL RES. USA, INC.	Oil	50666
42-329-41175	XTO ENERGY INC.	Oil	48566
42-329-41176	XTO ENERGY INC.	Oil	48566
42-329-41177	XTO ENERGY INC.	Oil	48566
42-329-41178	PIONEER NATURAL RES. USA, INC.	Oil	50667
42-329-41179	PIONEER NATURAL RES. USA, INC.
42-329-41180	PIONEER NATURAL RES. USA, INC.
42-329-41181	PIONEER NATURAL RES. USA, INC.
42-329-41182	PIONEER NATURAL RES. USA, INC.
42-329-41183	PIONEER NATURAL RES. USA, INC.
42-329-41184	PIONEER NATURAL RES. USA, INC.
42-329-41185	XTO ENERGY INC.	Oil	48566
42-329-41186	XTO ENERGY INC.	Oil	48170
42-329-41187	PIONEER NATURAL RES. USA, INC.	Oil	38554
42-329-41188	DIAMONDBACK E&P LLC	Oil	50189
42-329-41189	DIAMONDBACK E&P LLC	Oil	50188
42-329-41190	COG OPERATING LLC	Oil	48965
42-329-41191	SOLARIS WATER MIDSTREAM, LLC	Oil	48585
42-329-41192	PIONEER NATURAL RES. USA, INC.	Oil	46263
42-329-41193	EARTHSTONE OPERATING, LLC	Oil	47339
42-329-41194	EARTHSTONE OPERATING, LLC	Oil	47339
42-329-41195	COG OPERATING LLC	Oil	49024
42-329-41196	COG OPERATING LLC	Oil	48992
42-329-41197	COG OPERATING LLC	Oil	48961
42-329-41198	COG OPERATING LLC	Oil	48964
42-329-41199	DIAMONDBACK E&P LLC	Oil	47759
42-329-41200	OVINTIV USA INC.	Oil	46165
42-329-41201	OVINTIV USA INC.	Oil	46165
42-329-41202	OVINTIV USA INC.	Oil	46165
42-329-41203	OVINTIV USA INC.	Oil	46165
42-329-41204	OVINTIV USA INC.	Oil	49022
42-329-41205	OVINTIV USA INC.	Oil	49022
42-329-41206	OVINTIV USA INC.	Oil	49022
42-329-41207	OVINTIV USA INC.	Oil	49022
42-329-41208	OVINTIV USA INC.	Oil	49022
42-329-41209	COG OPERATING LLC	Oil	17154
42-329-41210	DIAMONDBACK E&P LLC
42-329-41211	OVINTIV USA INC.	Oil	49022
42-329-41212	PIONEER NATURAL RES. USA, INC.	Oil
42-329-41213	OVINTIV USA INC.	Oil	49542
42-329-41214	OVINTIV USA INC.	Oil	48986
42-329-41215	OVINTIV USA INC.	Oil	48986
42-329-41216	OVINTIV USA INC.	Oil	48986
42-329-41217	OVINTIV USA INC.	Oil	48988
42-329-41218	OVINTIV USA INC.	Oil	48988
42-329-41219	OVINTIV USA INC.	Oil	48988
42-329-41220	OVINTIV USA INC.	Oil	48988
42-329-41221	OVINTIV USA INC.	Oil	47825
42-329-41222	DISCOVERY OPERATING, INC.
42-329-41223	DISCOVERY OPERATING, INC.	Oil	37855
42-329-41224	PIONEER NATURAL RES. USA, INC.	Oil	54414
42-329-41225	PIONEER NATURAL RES. USA, INC.
42-329-41226	XTO ENERGY INC.	Oil	48197
42-329-41227	DIAMONDBACK E&P LLC
42-329-41228	DIAMONDBACK E&P LLC
42-329-41229	DIAMONDBACK E&P LLC
42-329-41230	COG OPERATING LLC	Oil	17147
42-329-41231	DIAMONDBACK E&P LLC
42-329-41232	CHEVRON U. S. A. INC.	Oil	48824
42-329-41233	CHEVRON U. S. A. INC.	Oil	48824
42-329-41234	CHEVRON U. S. A. INC.	Oil	48804
42-329-41235	CHEVRON U. S. A. INC.	Oil	48804
42-329-41236	CHEVRON U. S. A. INC.	Oil	35296
42-329-41237	CHEVRON U. S. A. INC.	Oil	49741
42-329-41238	CHEVRON U. S. A. INC.	Oil	49732
42-329-41239	PBEX OPERATING, LTD.
42-329-41240	PBEX OPERATING, LTD.
42-329-41241	DIAMONDBACK E&P LLC
42-329-41242	DIAMONDBACK E&P LLC
42-329-41243	DIAMONDBACK E&P LLC
42-329-41244	COG OPERATING LLC	Oil	17154
42-329-41245	COG OPERATING LLC	Oil	17154
42-329-41246	CHEVRON U. S. A. INC.	Oil	49741
42-329-41247	COG OPERATING LLC	Oil	17154
42-329-41248	PIONEER NATURAL RES. USA, INC.	Oil	50654
42-329-41249	PIONEER NATURAL RES. USA, INC.	Oil	50707
42-329-41250	PIONEER NATURAL RES. USA, INC.	Oil	50282
42-329-41251	PIONEER NATURAL RES. USA, INC.	Oil	50356
42-329-41252	PIONEER NATURAL RES. USA, INC.	Oil	50355
42-329-41253	PIONEER NATURAL RES. USA, INC.	Oil	50027
42-329-41254	PIONEER NATURAL RES. USA, INC.	Oil	50346
42-329-41255	PIONEER NATURAL RES. USA, INC.	Oil	50473
42-329-41256	PIONEER NATURAL RES. USA, INC.	Oil	50484
42-329-41257	PIONEER NATURAL RES. USA, INC.	Oil	50485
42-329-41258	PIONEER NATURAL RES. USA, INC.	Oil	50092
42-329-41259	ENDEAVOR ENERGY RESOURCES L.P.	Oil	48476
42-329-41260	CROWNQUEST OPERATING, LLC	Oil	48054
42-329-41261	CROWNQUEST OPERATING, LLC	Oil	51432
42-329-41262	DIAMONDBACK E&P LLC
42-329-41263	DIAMONDBACK E&P LLC
42-329-41264	DIAMONDBACK E&P LLC
42-329-41265	DIAMONDBACK E&P LLC
42-329-41266	PBEX OPERATING, LTD.
42-329-41267	COG OPERATING LLC	Oil	48498
42-329-41268	PBEX OPERATING, LTD.
42-329-41269	COG OPERATING LLC	Oil	48498
42-329-41270	COG OPERATING LLC	Oil	49376
42-329-41271	COG OPERATING LLC	Oil	49376
42-329-41272	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-41273	PIONEER NATURAL RES. USA, INC.	Oil	49388
42-329-41274	PIONEER NATURAL RES. USA, INC.	Oil	49614
42-329-41275	PIONEER NATURAL RES. USA, INC.	Oil	50143
42-329-41276	PIONEER NATURAL RES. USA, INC.	Oil	50180
42-329-41277	PIONEER NATURAL RES. USA, INC.	Oil	50181
42-329-41278	PIONEER NATURAL RES. USA, INC.	Oil	50182
42-329-41279	PIONEER NATURAL RES. USA, INC.	Oil	50215
42-329-41280	PIONEER NATURAL RES. USA, INC.	Oil	50317
42-329-41281	Lario Oil & Gas Company	Oil	53521
42-329-41282	Lario Oil & Gas Company	Oil	53157
42-329-41283	XTO ENERGY INC.	Oil	48516
42-329-41284	FASKEN OIL AND RANCH, LTD.	Oil	47876
42-329-41285	COG OPERATING LLC	Oil	49376
42-329-41286	COG OPERATING LLC	Oil	49376
42-329-41287	COG OPERATING LLC	Oil	49376
42-329-41288	DIAMONDBACK E&P LLC	Oil	50000
42-329-41289	DIAMONDBACK E&P LLC	Oil	50000
42-329-41290	DIAMONDBACK E&P LLC	Oil	50000
42-329-41291	DIAMONDBACK E&P LLC	Oil	50000
42-329-41292	DIAMONDBACK E&P LLC
42-329-41293	DIAMONDBACK E&P LLC
42-329-41294	DIAMONDBACK E&P LLC
42-329-41295	DIAMONDBACK E&P LLC
42-329-41296	PIONEER NATURAL RES. USA, INC.	Oil	49117
42-329-41297	PIONEER NATURAL RES. USA, INC.	Oil	49118
42-329-41298	PIONEER NATURAL RES. USA, INC.	Oil	49446
42-329-41299	PIONEER NATURAL RES. USA, INC.	Oil	50365
42-329-41300	PIONEER NATURAL RES. USA, INC.	Oil	50366
42-329-41301	CHEVRON U. S. A. INC.	Oil	49562
42-329-41302	CHEVRON U. S. A. INC.	Oil	49562
42-329-41303	CHEVRON U. S. A. INC.	Oil	49563
42-329-41304	XTO ENERGY INC.	Oil	49356
42-329-41305	XTO ENERGY INC.	Oil	49159
42-329-41306	PIONEER NATURAL RES. USA, INC.	Oil	29182
42-329-41307	CHEVRON U. S. A. INC.	Oil	43735
42-329-41308	XTO ENERGY INC.	Oil	49207
42-329-41309	XTO ENERGY INC.	Oil	49183
42-329-41310	FASKEN OIL AND RANCH, LTD.
42-329-41311	FASKEN OIL AND RANCH, LTD.
42-329-41312	COG OPERATING LLC	Oil	17154
42-329-41313	COG OPERATING LLC	Oil	17154
42-329-41314	COG OPERATING LLC	Oil	17154
42-329-41315	COG OPERATING LLC	Oil	17154
42-329-41316	COG OPERATING LLC	Oil	17154
42-329-41317	CHEVRON U. S. A. INC.	Oil	43735
42-329-41318	CALLON PETROLEUM OPERATING CO
42-329-41319	Apache Corporation	Oil	47427
42-329-41320	Apache Corporation	Oil	47427
42-329-41321	PIONEER NATURAL RES. USA, INC.
42-329-41322	Apache Corporation	Oil	47427
42-329-41323	PIONEER NATURAL RES. USA, INC.	Oil	46263
42-329-41324	HENRY RESOURCES LLC	Oil	44965
42-329-41325	CHEVRON U. S. A. INC.	Oil	43735
42-329-41326	CHEVRON U. S. A. INC.	Oil	43735
42-329-41327	XTO ENERGY INC.	Oil	48871
42-329-41328	PIONEER NATURAL RES. USA, INC.	Oil	37690
42-329-41329	PIONEER NATURAL RES. USA, INC.	Oil	46263
42-329-41330	PIONEER NATURAL RES. USA, INC.	Oil	46263
42-329-41331	DIAMONDBACK E&P LLC	Oil	49361
42-329-41332	PIONEER NATURAL RES. USA, INC.	Oil	46263
42-329-41333	PIONEER NATURAL RES. USA, INC.	Oil	46263
42-329-41334	PIONEER NATURAL RES. USA, INC.	Oil	47241
42-329-41335	PIONEER NATURAL RES. USA, INC.	Oil	47241
42-329-41336	PIONEER NATURAL RES. USA, INC.
42-329-41337	PIONEER NATURAL RES. USA, INC.
42-329-41338	CHEVRON U. S. A. INC.	Oil	43735
42-329-41339	CHEVRON U. S. A. INC.	Oil	43735
42-329-41340	ENDEAVOR ENERGY RESOURCES L.P.	Oil	49082
42-329-41341	ENDEAVOR ENERGY RESOURCES L.P.	Oil	49083
42-329-41342	ENDEAVOR ENERGY RESOURCES L.P.	Oil	49083
42-329-41343	DIAMONDBACK E&P LLC	Oil	39560
42-329-41344	CHEVRON U. S. A. INC.	Oil	43735
42-329-41345	CHEVRON U. S. A. INC.	Oil	43735
42-329-41346	XTO ENERGY INC.	Oil	49350
42-329-41347	XTO ENERGY INC.	Oil	49350
42-329-41348	XTO ENERGY INC.	Oil	49350
42-329-41349	XTO ENERGY INC.	Oil	49350
42-329-41350	XTO ENERGY INC.	Oil	49350
42-329-41351	HENRY RESOURCES LLC	Oil	45874
42-329-41352	XTO ENERGY INC.	Oil	49350
42-329-41353	XTO ENERGY INC.	Oil	49350
42-329-41354	XTO ENERGY INC.
42-329-41355	DIAMONDBACK E&P LLC	Oil	49448
42-329-41356	PIONEER NATURAL RES. USA, INC.	Oil	46263
42-329-41357	XTO ENERGY INC.	Oil	49350
42-329-41358	DIAMONDBACK E&P LLC	Oil	49448
42-329-41359	CHEVRON U. S. A. INC.	Oil	43735
42-329-41360	CHEVRON U. S. A. INC.	Oil	43735
42-329-41361	CHEVRON U. S. A. INC.	Oil	43735
42-329-41362	DIAMONDBACK E&P LLC	Oil	49448
42-329-41363	DIAMONDBACK E&P LLC	Oil	49481
42-329-41364	DIAMONDBACK E&P LLC	Oil	49481
42-329-41365	DIAMONDBACK E&P LLC	Oil	49481
42-329-41366	XTO ENERGY INC.	Oil	49020
42-329-41367	CHEVRON U. S. A. INC.	Oil	43735
42-329-41368	ENDEAVOR ENERGY RESOURCES L.P.	Oil	49241
42-329-41369	ENDEAVOR ENERGY RESOURCES L.P.	Oil	49241
42-329-41370	CROWNQUEST OPERATING, LLC	Oil	44329
42-329-41371	COG OPERATING LLC	Oil	45515
42-329-41372	DE3 OPERATING LLC	Oil	22167
42-329-41373	COG OPERATING LLC	Oil	45515
42-329-41374	COG OPERATING LLC	Oil	45515
42-329-41375	XTO ENERGY INC.
42-329-41376	CALLON PETROLEUM OPERATING CO	Oil	38807
42-329-41377	CALLON PETROLEUM OPERATING CO	Oil	38807
42-329-41378	CALLON PETROLEUM OPERATING CO	Oil	38807
42-329-41379	ENDEAVOR ENERGY RESOURCES L.P.	Oil	49241
42-329-41380	OVINTIV USA INC.	Oil	49579
42-329-41381	OVINTIV USA INC.	Oil	49797
42-329-41382	OVINTIV USA INC.	Oil	49205
42-329-41383	OVINTIV USA INC.	Oil	47007
42-329-41384	OVINTIV USA INC.	Oil	47007
42-329-41385	OVINTIV USA INC.	Oil	48869
42-329-41387	OVINTIV USA INC.	Oil	48869
42-329-41388	OVINTIV USA INC.	Oil	48869
42-329-41389	ENDEAVOR ENERGY RESOURCES L.P.	Oil	49241
42-329-41390	CROWNQUEST OPERATING, LLC	Oil	44329
42-329-41391	CALLON PETROLEUM OPERATING CO
42-329-41392	PIONEER NATURAL RES. USA, INC.	Oil	48935
42-329-41393	PIONEER NATURAL RES. USA, INC.	Oil	48935
42-329-41394	PIONEER NATURAL RES. USA, INC.	Oil	48935
42-329-41395	PIONEER NATURAL RES. USA, INC.	Oil	48935
42-329-41396	PIONEER NATURAL RES. USA, INC.	Oil	48935
42-329-41397	PIONEER NATURAL RES. USA, INC.	Oil	48935
42-329-41398	ENDEAVOR ENERGY RESOURCES L.P.	Oil	49241
42-329-41399	ENDEAVOR ENERGY RESOURCES L.P.	Oil	49241
42-329-41400	HENRY RESOURCES LLC	Oil	45874
42-329-41401	HENRY RESOURCES LLC	Oil	45874
42-329-41402	COG OPERATING LLC
42-329-41403	COG OPERATING LLC	Oil	46986
42-329-41404	COG OPERATING LLC
42-329-41405	COG OPERATING LLC	Oil	46986
42-329-41406	COG OPERATING LLC	Oil	46986
42-329-41407	COG OPERATING LLC	Oil	46986
42-329-41408	PERMIAN DEEP ROCK OIL CO., LLC	Oil	48846
42-329-41409	PERMIAN DEEP ROCK OIL CO., LLC	Oil	48846
42-329-41410	XTO ENERGY INC.	Oil	50519
42-329-41411	XTO ENERGY INC.	Oil	50680
42-329-41412	Apache Corporation	Oil	49066
42-329-41413	Apache Corporation	Oil	49066
42-329-41414	Apache Corporation	Oil	49066
42-329-41415	Apache Corporation	Oil	49066
42-329-41416	Apache Corporation	Oil	49066
42-329-41417	Apache Corporation	Oil	49066
42-329-41418	Apache Corporation	Oil	49066
42-329-41419	CHEVRON U. S. A. INC.	Oil	49203
42-329-41420	CHEVRON U. S. A. INC.	Oil	49387
42-329-41421	CHEVRON U. S. A. INC.	Oil	49387
42-329-41422	CHEVRON U. S. A. INC.	Oil	49214
42-329-41423	PIONEER NATURAL RES. USA, INC.	Oil	48942
42-329-41424	ENDEAVOR ENERGY RESOURCES L.P.	Oil	50711
42-329-41425	ENDEAVOR ENERGY RESOURCES L.P.	Oil	50711
42-329-41426	ENDEAVOR ENERGY RESOURCES L.P.	Oil	50711
42-329-41427	ENDEAVOR ENERGY RESOURCES L.P.	Oil	50710
42-329-41428	ENDEAVOR ENERGY RESOURCES L.P.	Oil	50710
42-329-41429	ENDEAVOR ENERGY RESOURCES L.P.	Oil	50710
42-329-41430	CHEVRON U. S. A. INC.	Oil	49563
42-329-41431	CHEVRON U. S. A. INC.	Oil	40422
42-329-41432	CHEVRON U. S. A. INC.	Oil	51273
42-329-41433	CHEVRON U. S. A. INC.	Oil	51273
42-329-41434	PIONEER NATURAL RES. USA, INC.	Oil	50364
42-329-41435	PIONEER NATURAL RES. USA, INC.	Oil	49618
42-329-41436	PIONEER NATURAL RES. USA, INC.	Oil	50226
42-329-41437	DIAMONDBACK E&P LLC
42-329-41438	DIAMONDBACK E&P LLC
42-329-41439	DIAMONDBACK E&P LLC	Oil	47022
42-329-41440	DIAMONDBACK E&P LLC	Oil	47022
42-329-41441	DIAMONDBACK E&P LLC	Oil	47022
42-329-41442	DIAMONDBACK E&P LLC	Oil	47022
42-329-41443	PIONEER NATURAL RES. USA, INC.	Oil	49833
42-329-41444	PIONEER NATURAL RES. USA, INC.	Oil	49879
42-329-41445	CALLON PETROLEUM OPERATING CO	Oil	38873
42-329-41446	CALLON PETROLEUM OPERATING CO	Oil	38873
42-329-41447	CALLON PETROLEUM OPERATING CO	Oil	38873
42-329-41448	Apache Corporation	Oil	47468
42-329-41449	Apache Corporation	Oil	47468
42-329-41450	Apache Corporation	Oil	47468
42-329-41451	Apache Corporation	Oil	47468
42-329-41452	Apache Corporation	Oil	47468
42-329-41453	Apache Corporation	Oil	47468
42-329-41454	XTO ENERGY INC.	Oil	48484
42-329-41455	XTO ENERGY INC.	Oil	48484
42-329-41456	PARSLEY ENERGY OPERATIONS, LLC	Oil	49564
42-329-41457	COG OPERATING LLC	Oil	49132
42-329-41458	RBJ & ASSOCIATES, LP
42-329-41459	COG OPERATING LLC	Oil	49132
42-329-41460	OVINTIV USA INC.	Oil	49292
42-329-41461	OVINTIV USA INC.	Oil	49292
42-329-41462	OVINTIV USA INC.	Oil	49292
42-329-41463	OVINTIV USA INC.	Oil	49292
42-329-41464	OVINTIV USA INC.	Oil	49292
42-329-41465	OVINTIV USA INC.	Oil	49308
42-329-41466	HENRY RESOURCES LLC	Oil	45874
42-329-41467	SUMMIT PETROLEUM LLC	Oil	37392
42-329-41468	DIAMONDBACK E&P LLC
42-329-41469	DIAMONDBACK E&P LLC
42-329-41470	SUMMIT PETROLEUM LLC	Oil	37392
42-329-41471	CROWNQUEST OPERATING, LLC	Oil	48926
42-329-41472	CROWNQUEST OPERATING, LLC	Oil	48926
42-329-41473	SUMMIT PETROLEUM LLC	Oil	37392
42-329-41474	PIONEER NATURAL RES. USA, INC.	Oil	44078
42-329-41475	PIONEER NATURAL RES. USA, INC.	Oil	44078
42-329-41476	PIONEER NATURAL RES. USA, INC.	Oil	44078
42-329-41477	PIONEER NATURAL RES. USA, INC.	Oil	44078
42-329-41478	PIONEER NATURAL RES. USA, INC.	Oil	44078
42-329-41479	PIONEER NATURAL RES. USA, INC.	Oil	44078
42-329-41480	ENDEAVOR ENERGY RESOURCES L.P.	Oil	50638
42-329-41481	ENDEAVOR ENERGY RESOURCES L.P.	Oil	50638
42-329-41482	ENDEAVOR ENERGY RESOURCES L.P.	Oil	50638
42-329-41483	COG OPERATING LLC	Oil	38844
42-329-41484	COG OPERATING LLC	Oil	50741
42-329-41485	ENDEAVOR ENERGY RESOURCES L.P.	Oil	50713
42-329-41486	CHEVRON U. S. A. INC.	Oil	49675
42-329-41487	CHEVRON U. S. A. INC.	Oil	49675
42-329-41488	ENDEAVOR ENERGY RESOURCES L.P.	Oil	50713
42-329-41489	CHEVRON U. S. A. INC.	Oil	49814
42-329-41490	CHEVRON U. S. A. INC.	Oil	49814
42-329-41491	ENDEAVOR ENERGY RESOURCES L.P.	Oil	50713
42-329-41492	PIONEER NATURAL RES. USA, INC.	Oil	49863
42-329-41493	PIONEER NATURAL RES. USA, INC.	Oil	51122
42-329-41494	PIONEER NATURAL RES. USA, INC.	Oil	51123
42-329-41495	PIONEER NATURAL RES. USA, INC.	Oil	51124
42-329-41496	CHEVRON U. S. A. INC.	Oil	51257
42-329-41497	CHEVRON U. S. A. INC.	Oil	51273
42-329-41498	COG OPERATING LLC	Oil	39630
42-329-41499	COG OPERATING LLC	Oil	39630
42-329-41500	XTO ENERGY INC.	Oil	48734
42-329-41501	COG OPERATING LLC	Oil	39630
42-329-41502	HENRY RESOURCES LLC	Oil	45874
42-329-41503	PERMIAN DEEP ROCK OIL CO., LLC	Oil	48846
42-329-41504	PERMIAN DEEP ROCK OIL CO., LLC	Oil	48846
42-329-41507	CROWNQUEST OPERATING, LLC	Oil	48926
42-329-41508	CHEVRON U. S. A. INC.	Oil	51273
42-329-41509	PARSLEY ENERGY OPERATIONS, LLC	Oil	49339
42-329-41510	PARSLEY ENERGY OPERATIONS, LLC	Oil	49482
42-329-41511	PIONEER NATURAL RES. USA, INC.	Gas	282772
42-329-41512	HENRY RESOURCES LLC	Oil	45874
42-329-41513	COG OPERATING LLC	Oil	45515
42-329-41514	COG OPERATING LLC	Oil	45515
42-329-41515	COG OPERATING LLC	Oil	45515
42-329-41516	COG OPERATING LLC	Oil	17154
42-329-41517	COG OPERATING LLC	Oil	17154
42-329-41518	HENRY RESOURCES LLC	Oil	45874
42-329-41519	XTO ENERGY INC.	Oil	47846
42-329-41520	XTO ENERGY INC.	Oil	47846
42-329-41521	XTO ENERGY INC.	Oil	47846
42-329-41522	XTO ENERGY INC.	Oil	47846
42-329-41523	PARSLEY ENERGY OPERATIONS, LLC	Oil	48740
42-329-41524	PERMIAN DEEP ROCK OIL CO., LLC	Oil	48846
42-329-41525	PERMIAN DEEP ROCK OIL CO., LLC	Oil	48846
42-329-41526	OVINTIV USA INC.	Oil	49064
42-329-41527	OVINTIV USA INC.	Oil	49064
42-329-41528	OVINTIV USA INC.	Oil	49065
42-329-41529	Apache Corporation	Oil	18804
42-329-41530	CHEVRON U. S. A. INC.	Oil	49299
42-329-41531	CHEVRON U. S. A. INC.
42-329-41532	CHEVRON U. S. A. INC.
42-329-41533	CHEVRON U. S. A. INC.	Oil	49312
42-329-41534	CHEVRON U. S. A. INC.
42-329-41535	CHEVRON U. S. A. INC.	Oil	49313
42-329-41536	COG OPERATING LLC	Oil	49995
42-329-41537	COG OPERATING LLC	Oil	39630
42-329-41538	XTO ENERGY INC.
42-329-41539	XTO ENERGY INC.	Oil	47846
42-329-41540	COG OPERATING LLC	Oil	50016
42-329-41541	XTO ENERGY INC.	Oil	49133
42-329-41542	XTO ENERGY INC.	Oil	49133
42-329-41543	XTO ENERGY INC.	Oil	49133
42-329-41544	CALLON PETROLEUM OPERATING CO	Oil	38905
42-329-41545	PIONEER NATURAL RES. USA, INC.	Oil	50712
42-329-41546	COG OPERATING LLC
42-329-41547	PIONEER NATURAL RES. USA, INC.	Oil	50539
42-329-41548	PIONEER NATURAL RES. USA, INC.	Oil	51849
42-329-41549	PIONEER NATURAL RES. USA, INC.	Oil	51819
42-329-41550	PIONEER NATURAL RES. USA, INC.	Oil	50536
42-329-41551	PIONEER NATURAL RES. USA, INC.	Oil	51735
42-329-41552	HENRY RESOURCES LLC	Oil	44965
42-329-41553	CROWNQUEST OPERATING, LLC
42-329-41554	HENRY RESOURCES LLC	Oil	44965
42-329-41555	XTO ENERGY INC.
42-329-41556	CALLON PETROLEUM OPERATING CO	Oil	38905
42-329-41557	CALLON PETROLEUM OPERATING CO	Oil	49598
42-329-41558	PIONEER NATURAL RES. USA, INC.	Oil	49126
42-329-41559	PIONEER NATURAL RES. USA, INC.	Oil	49546
42-329-41560	PIONEER NATURAL RES. USA, INC.	Oil	49124
42-329-41561	PIONEER NATURAL RES. USA, INC.	Oil	49125
42-329-41562	PIONEER NATURAL RES. USA, INC.	Oil	49127
42-329-41563	PIONEER NATURAL RES. USA, INC.	Oil	49232
42-329-41564	COG OPERATING LLC
42-329-41565	OVINTIV USA INC.	Oil	47690
42-329-41566	OVINTIV USA INC.	Oil	49607
42-329-41567	OVINTIV USA INC.	Oil	49526
42-329-41568	OVINTIV USA INC.	Oil	49526
42-329-41569	OVINTIV USA INC.	Oil	49526
42-329-41570	OVINTIV USA INC.	Oil	49526
42-329-41571	OVINTIV USA INC.	Oil	49607
42-329-41572	OVINTIV USA INC.	Oil	49607
42-329-41573	OVINTIV USA INC.	Oil	49607
42-329-41574	OVINTIV USA INC.	Oil	49792
42-329-41575	OVINTIV USA INC.	Oil	49792
42-329-41576	OVINTIV USA INC.	Oil	49933
42-329-41577	OVINTIV USA INC.	Oil	49933
42-329-41578	OVINTIV USA INC.	Oil	49933
42-329-41579	PIONEER NATURAL RES. USA, INC.	Oil	49324
42-329-41580	COG OPERATING LLC
42-329-41581	PIONEER NATURAL RES. USA, INC.	Oil	49324
42-329-41582	PIONEER NATURAL RES. USA, INC.	Oil	49324
42-329-41583	OVINTIV USA INC.	Oil	49762
42-329-41584	OVINTIV USA INC.	Oil	49762
42-329-41585	OVINTIV USA INC.	Oil	46509
42-329-41586	OVINTIV USA INC.	Oil	46509
42-329-41587	Apache Corporation	Oil	49796
42-329-41588	Apache Corporation	Oil	49796
42-329-41589	Apache Corporation	Oil	49796
42-329-41590	PIONEER NATURAL RES. USA, INC.	Oil	50305
42-329-41591	PIONEER NATURAL RES. USA, INC.	Oil	50305
42-329-41592	PIONEER NATURAL RES. USA, INC.	Oil	50305
42-329-41593	Apache Corporation	Oil	49796
42-329-41594	Apache Corporation	Oil	49796
42-329-41595	Apache Corporation	Oil	49796
42-329-41596	Apache Corporation	Oil	49796
42-329-41597	Apache Corporation	Oil	49796
42-329-41598	Apache Corporation	Oil	49796
42-329-41599	DIAMONDBACK E&P LLC	Oil	50224
42-329-41600	HENRY RESOURCES LLC	Oil	49674
42-329-41601	HENRY RESOURCES LLC	Oil	49674
42-329-41602	CROWNQUEST OPERATING, LLC	Oil	50085
42-329-41603	DIAMONDBACK E&P LLC	Oil	53704
42-329-41604	DIAMONDBACK E&P LLC	Oil	53704
42-329-41605	CROWNQUEST OPERATING, LLC	Oil	49379
42-329-41606	DIAMONDBACK E&P LLC	Oil	50224
42-329-41607	Apache Corporation	Oil	49796
42-329-41608	COG OPERATING LLC	Oil	39630
42-329-41609	COG OPERATING LLC	Oil	39630
42-329-41610	COG OPERATING LLC	Oil	48103
42-329-41611	COG OPERATING LLC	Oil	17154
42-329-41612	COG OPERATING LLC	Oil	17154
42-329-41613	COG OPERATING LLC	Oil	17154
42-329-41614	COG OPERATING LLC	Oil	17154
42-329-41615	COG OPERATING LLC	Oil	17154
42-329-41616	PARSLEY ENERGY OPERATIONS, LLC	Oil	49328
42-329-41617	PARSLEY ENERGY OPERATIONS, LLC	Oil	49262
42-329-41618	XTO ENERGY INC.
42-329-41619	XTO ENERGY INC.
42-329-41620	CALLON PETROLEUM OPERATING CO	Oil	49776
42-329-41621	ENVIRONMENTAL DSPL SYSTEMS, LLC	Oil	49512
42-329-41622	XTO ENERGY INC.	Oil	47846
42-329-41623	CHEVRON U. S. A. INC.	Oil	49759
42-329-41624	CHEVRON U. S. A. INC.	Oil	49203
42-329-41625	COG OPERATING LLC	Oil	49132
42-329-41626	COG OPERATING LLC	Oil	49132
42-329-41627	COG OPERATING LLC	Oil	49132
42-329-41628	PIONEER NATURAL RES. USA, INC.	Oil	49486
42-329-41629	DIAMONDBACK E&P LLC	Oil	51230
42-329-41630	DIAMONDBACK E&P LLC	Oil	51796
42-329-41631	DIAMONDBACK E&P LLC	Oil	51701
42-329-41632	DIAMONDBACK E&P LLC	Oil	51798
42-329-41633	ENDEAVOR ENERGY RESOURCES L.P.	Oil	49367
42-329-41634	ENDEAVOR ENERGY RESOURCES L.P.	Oil	49367
42-329-41635	ENDEAVOR ENERGY RESOURCES L.P.	Oil	49367
42-329-41637	CROWNQUEST OPERATING, LLC	Oil	49447
42-329-41638	XTO ENERGY INC.	Oil	49657
42-329-41639	XTO ENERGY INC.	Oil	49657
42-329-41640	XTO ENERGY INC.	Oil	49672
42-329-41641	XTO ENERGY INC.	Oil	49656
42-329-41642	XTO ENERGY INC.	Oil	49672
42-329-41643	DISCOVERY OPERATING, INC.	Oil	49834
42-329-41644	DISCOVERY OPERATING, INC.	Oil	50925
42-329-41645	DISCOVERY OPERATING, INC.	Oil	49834
42-329-41646	DISCOVERY OPERATING, INC.	Oil	50924
42-329-41647	XTO ENERGY INC.	Oil	49737
42-329-41648	COG OPERATING LLC	Oil	49132
42-329-41649	CALLON PETROLEUM OPERATING CO	Oil	47391
42-329-41650	CALLON PETROLEUM OPERATING CO	Oil	47392
42-329-41651	CALLON PETROLEUM OPERATING CO	Oil	38807
42-329-41652	CALLON PETROLEUM OPERATING CO	Oil	38807
42-329-41653	CALLON PETROLEUM OPERATING CO	Oil	38807
42-329-41654	CALLON PETROLEUM OPERATING CO	Oil	38807
42-329-41655	CHEVRON U. S. A. INC.	Oil	49760
42-329-41656	ENDEAVOR ENERGY RESOURCES L.P.	Oil	49660
42-329-41657	ENDEAVOR ENERGY RESOURCES L.P.	Oil	49660
42-329-41658	ENDEAVOR ENERGY RESOURCES L.P.	Oil	49660
42-329-41659	ENDEAVOR ENERGY RESOURCES L.P.	Oil	49660
42-329-41660	ENDEAVOR ENERGY RESOURCES L.P.	Oil	49660
42-329-41661	ENDEAVOR ENERGY RESOURCES L.P.	Oil	49660
42-329-41662	XTO ENERGY INC.	Oil	49656
42-329-41663	DIAMONDBACK E&P LLC	Oil	45236
42-329-41664	DIAMONDBACK E&P LLC	Oil	45236
42-329-41665	DIAMONDBACK E&P LLC	Oil	53707
42-329-41666	COG OPERATING LLC	Oil	48103
42-329-41667	DIAMONDBACK E&P LLC	Oil	45236
42-329-41668	COG OPERATING LLC	Oil	48103
42-329-41669	XTO ENERGY INC.	Oil	49580
42-329-41670	ENDEAVOR ENERGY RESOURCES L.P.	Oil	49449
42-329-41671	ENDEAVOR ENERGY RESOURCES L.P.	Oil	49449
42-329-41672	ENDEAVOR ENERGY RESOURCES L.P.	Oil	50565
42-329-41673	ENDEAVOR ENERGY RESOURCES L.P.	Oil	50565
42-329-41674	ENDEAVOR ENERGY RESOURCES L.P.	Oil	50565
42-329-41675	ENDEAVOR ENERGY RESOURCES L.P.	Oil	50605
42-329-41676	ENDEAVOR ENERGY RESOURCES L.P.	Oil	50605
42-329-41677	ENDEAVOR ENERGY RESOURCES L.P.	Oil	50605
42-329-41678	DE3 OPERATING LLC	Oil	22831
42-329-41679	ENDEAVOR ENERGY RESOURCES L.P.	Oil	50630
42-329-41680	ENDEAVOR ENERGY RESOURCES L.P.	Oil	50630
42-329-41681	PIONEER NATURAL RES. USA, INC.	Oil	49324
42-329-41682	ENDEAVOR ENERGY RESOURCES L.P.	Oil	50630
42-329-41683	ENDEAVOR ENERGY RESOURCES L.P.	Oil	50664
42-329-41684	ENDEAVOR ENERGY RESOURCES L.P.	Oil	50664
42-329-41685	PIONEER NATURAL RES. USA, INC.	Oil	49324
42-329-41686	PIONEER NATURAL RES. USA, INC.	Oil	49324
42-329-41687	PERMIAN DEEP ROCK OIL CO., LLC	Oil	48846
42-329-41688	XTO ENERGY INC.	Oil	39040
42-329-41689	PERMIAN DEEP ROCK OIL CO., LLC
42-329-41690	XTO ENERGY INC.	Oil	39040
42-329-41691	XTO ENERGY INC.	Oil	39040
42-329-41692	CHEVRON U. S. A. INC.	Oil	49732
42-329-41693	BOLD OPERATING, LLC
42-329-41694	DIAMONDBACK E&P LLC	Oil	52154
42-329-41697	XTO ENERGY INC.	Oil	49580
42-329-41698	XTO ENERGY INC.	Oil	49508
42-329-41699	XTO ENERGY INC.	Oil	49508
42-329-41700	ON POINT OILFIELD OPERATIONS LLC
42-329-41701	MURCHISON OIL AND GAS, LLC	Oil	49485
42-329-41702	MURCHISON OIL AND GAS, LLC	Oil	49485
42-329-41703	Hunt Oil Company	Oil	46801
42-329-41704	MURCHISON OIL AND GAS, LLC	Oil	49485
42-329-41705	PIONEER NATURAL RES. USA, INC.	Oil	50939
42-329-41706	PIONEER NATURAL RES. USA, INC.	Oil	50928
42-329-41707	PIONEER NATURAL RES. USA, INC.	Oil	50940
42-329-41708	PIONEER NATURAL RES. USA, INC.	Oil	49576
42-329-41709	PIONEER NATURAL RES. USA, INC.	Oil	49770
42-329-41710	PIONEER NATURAL RES. USA, INC.	Oil	50295
42-329-41711	PIONEER NATURAL RES. USA, INC.	Oil	50920
42-329-41712	PIONEER NATURAL RES. USA, INC.	Oil	50904
42-329-41713	Hunt Oil Company	Oil	48934
42-329-41714	PIONEER NATURAL RES. USA, INC.	Oil	50905
42-329-41715	XTO ENERGY INC.	Oil	49737
42-329-41716	XTO ENERGY INC.	Oil	49753
42-329-41717	XTO ENERGY INC.	Oil	49766
42-329-41718	XTO ENERGY INC.	Oil	49766
42-329-41719	XTO ENERGY INC.	Oil	49750
42-329-41720	XTO ENERGY INC.	Oil	49753
42-329-41721	XTO ENERGY INC.	Oil	49750
42-329-41722	Lario Oil & Gas Company	Oil	51392
42-329-41723	CHEVRON U. S. A. INC.	Oil	43735
42-329-41724	CHEVRON U. S. A. INC.	Oil	43735
42-329-41725	CHEVRON U. S. A. INC.	Oil	43735
42-329-41726	CHEVRON U. S. A. INC.	Oil	43735
42-329-41727	CHEVRON U. S. A. INC.	Oil	43735
42-329-41728	CHEVRON U. S. A. INC.	Oil	43735
42-329-41729	CHEVRON U. S. A. INC.	Oil	43735
42-329-41730	CHEVRON U. S. A. INC.	Oil	43735
42-329-41731	XTO ENERGY INC.
42-329-41732	DIAMONDBACK E&P LLC	Oil	51234
42-329-41733	DIAMONDBACK E&P LLC	Oil	51235
42-329-41734	PIONEER NATURAL RES. USA, INC.	Oil	46106
42-329-41735	PIONEER NATURAL RES. USA, INC.
42-329-41736	DIAMONDBACK E&P LLC	Oil	50026
42-329-41737	DIAMONDBACK E&P LLC	Oil	50026
42-329-41738	DIAMONDBACK E&P LLC	Oil	50026
42-329-41739	DIAMONDBACK E&P LLC	Oil	50026
42-329-41740	COG OPERATING LLC	Oil	39630
42-329-41741	COG OPERATING LLC	Oil	39630
42-329-41742	CHEVRON U. S. A. INC.	Oil	43735
42-329-41743	PIONEER NATURAL RES. USA, INC.	Oil	52271
42-329-41744	ON POINT OILFIELD OPERATIONS LLC	Oil	42046
42-329-41745	CHEVRON U. S. A. INC.	Oil	43735
42-329-41746	CHEVRON U. S. A. INC.	Oil	43735
42-329-41747	CHEVRON U. S. A. INC.	Oil	43735
42-329-41748	OVINTIV USA INC.	Oil	49573
42-329-41749	PARSLEY ENERGY OPERATIONS, LLC	Oil	50720
42-329-41750	PARSLEY ENERGY OPERATIONS, LLC	Oil	50815
42-329-41751	Hunt Oil Company	Oil	51303
42-329-41752	Hunt Oil Company	Oil	48934
42-329-41753	Hunt Oil Company	Oil	48934
42-329-41754	INDEPENDENCE RESOURCES MGMT, LLC	Oil	49960
42-329-41755	INDEPENDENCE RESOURCES MGMT, LLC	Oil	49960
42-329-41756	PBEX OPERATIONS, LLC
42-329-41757	DISCOVERY OPERATING, INC.
42-329-41758	DISCOVERY OPERATING, INC.	Oil	49895
42-329-41759	ENDEAVOR ENERGY RESOURCES L.P.	Oil	50863
42-329-41760	COG OPERATING LLC	Oil	49376
42-329-41761	DIAMONDBACK E&P LLC	Oil	51858
42-329-41762	DIAMONDBACK E&P LLC	Oil	51858
42-329-41763	COG OPERATING LLC	Oil	49376
42-329-41764	ENDEAVOR ENERGY RESOURCES L.P.	Oil	50299
42-329-41765	DIAMONDBACK E&P LLC	Oil	49336
42-329-41766	DIAMONDBACK E&P LLC	Oil	49336
42-329-41767	PIONEER NATURAL RES. USA, INC.	Oil	52078
42-329-41768	ENDEAVOR ENERGY RESOURCES L.P.	Oil	50299
42-329-41769	PERMIAN DEEP ROCK OIL CO., LLC	Oil	48846
42-329-41770	INDEPENDENCE RESOURCES MGMT, LLC	Oil	49960
42-329-41771	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-41772	PERMIAN DEEP ROCK OIL CO., LLC	Oil	48846
42-329-41773	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-41774	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-41775	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-41776	ENDEAVOR ENERGY RESOURCES L.P.	Oil	50863
42-329-41777	DIAMONDBACK E&P LLC
42-329-41778	HENRY RESOURCES LLC	Oil	49740
42-329-41779	HENRY RESOURCES LLC	Oil	49740
42-329-41780	COG OPERATING LLC	Oil	41083
42-329-41781	COG OPERATING LLC
42-329-41782	COG OPERATING LLC
42-329-41783	COG OPERATING LLC	Oil	41083
42-329-41784	SUMMIT PETROLEUM LLC	Oil	37392
42-329-41785	COG OPERATING LLC
42-329-41786	SUMMIT PETROLEUM LLC	Oil	37392
42-329-41787	SUMMIT PETROLEUM LLC	Oil	37392
42-329-41788	COG OPERATING LLC
42-329-41789	PARSLEY ENERGY OPERATIONS, LLC	Oil	50547
42-329-41790	PIONEER NATURAL RES. USA, INC.
42-329-41791	PIONEER NATURAL RES. USA, INC.
42-329-41792	COG OPERATING LLC
42-329-41793	PIONEER NATURAL RES. USA, INC.
42-329-41794	PIONEER NATURAL RES. USA, INC.
42-329-41795	PIONEER NATURAL RES. USA, INC.
42-329-41796	PIONEER NATURAL RES. USA, INC.
42-329-41797	COG OPERATING LLC
42-329-41798	COG OPERATING LLC
42-329-41799	COG OPERATING LLC
42-329-41800	COG OPERATING LLC
42-329-41801	COG OPERATING LLC
42-329-41802	PERMIAN DEEP ROCK OIL CO., LLC	Oil	51990
42-329-41803	PERMIAN DEEP ROCK OIL CO., LLC	Oil	51990
42-329-41804	PERMIAN DEEP ROCK OIL CO., LLC	Oil	51990
42-329-41805	ENVIRONMENTAL DSPL SYSTEMS, LLC	Oil	49843
42-329-41806	COG OPERATING LLC
42-329-41807	PARSLEY ENERGY OPERATIONS, LLC	Oil	50506
42-329-41808	COG OPERATING LLC
42-329-41809	PERMIAN DEEP ROCK OIL CO., LLC	Oil	51990
42-329-41810	PERMIAN DEEP ROCK OIL CO., LLC	Oil	51990
42-329-41812	ENVIRONMENTAL DISPOSAL SYSTEMS
42-329-41813	COG OPERATING LLC
42-329-41814	DIAMONDBACK E&P LLC	Oil	50000
42-329-41815	COG OPERATING LLC
42-329-41816	DIAMONDBACK E&P LLC
42-329-41817	DIAMONDBACK E&P LLC	Oil	50000
42-329-41818	DIAMONDBACK E&P LLC
42-329-41819	DIAMONDBACK E&P LLC	Oil	49578
42-329-41820	DIAMONDBACK E&P LLC	Oil	49578
42-329-41821	DIAMONDBACK E&P LLC	Oil	49578
42-329-41822	DIAMONDBACK E&P LLC	Oil	49578
42-329-41823	RUGER PROPERTIES, LLC
42-329-41824	ENDEAVOR ENERGY RESOURCES L.P.	Oil	48945
42-329-41825	PERMIAN DEEP ROCK OIL CO., LLC
42-329-41826	PERMIAN DEEP ROCK OIL CO., LLC
42-329-41827	PIONEER NATURAL RES. USA, INC.
42-329-41828	PIONEER NATURAL RES. USA, INC.
42-329-41829	PIONEER NATURAL RES. USA, INC.
42-329-41830	PIONEER NATURAL RES. USA, INC.
42-329-41831	PIONEER NATURAL RES. USA, INC.
42-329-41832	RBJ & ASSOCIATES, LP	Oil	50247
42-329-41833	PIONEER NATURAL RES. USA, INC.
42-329-41834	XTO ENERGY INC.	Oil	48949
42-329-41835	XTO ENERGY INC.	Oil	48949
42-329-41836	XTO ENERGY INC.	Oil	48949
42-329-41837	XTO ENERGY INC.	Oil	48949
42-329-41838	XTO ENERGY INC.
42-329-41839	ENDEAVOR ENERGY RESOURCES L.P.	Oil	48945
42-329-41840	ENDEAVOR ENERGY RESOURCES L.P.	Oil	48945
42-329-41841	ENDEAVOR ENERGY RESOURCES L.P.	Oil	48945
42-329-41842	ENDEAVOR ENERGY RESOURCES L.P.	Oil	48945
42-329-41843	ENDEAVOR ENERGY RESOURCES L.P.	Oil	48945
42-329-41844	OVINTIV USA INC.	Oil	49526
42-329-41845	ENDEAVOR ENERGY RESOURCES L.P.	Oil	50929
42-329-41846	ENDEAVOR ENERGY RESOURCES L.P.	Oil	50929
42-329-41847	ENDEAVOR ENERGY RESOURCES L.P.	Oil	50929
42-329-41848	ENDEAVOR ENERGY RESOURCES L.P.	Oil	50929
42-329-41849	PERMIAN DEEP ROCK OIL CO., LLC	Oil	48846
42-329-41850	ENDEAVOR ENERGY RESOURCES L.P.	Oil	49945
42-329-41851	ENDEAVOR ENERGY RESOURCES L.P.	Oil	49945
42-329-41852	ENDEAVOR ENERGY RESOURCES L.P.	Oil	49945
42-329-41853	ENDEAVOR ENERGY RESOURCES L.P.	Oil	49945
42-329-41854	OVINTIV USA INC.	Oil	49573
42-329-41855	PERMIAN DEEP ROCK OIL CO., LLC	Oil	48846
42-329-41856	CALLON PETROLEUM OPERATING CO
42-329-41857	CALLON PETROLEUM OPERATING CO
42-329-41858	CALLON PETROLEUM OPERATING CO	Oil	38873
42-329-41859	XTO ENERGY INC.	Oil	48950
42-329-41860	XTO ENERGY INC.
42-329-41861	XTO ENERGY INC.
42-329-41862	XTO ENERGY INC.
42-329-41863	XTO ENERGY INC.	Oil	50955
42-329-41864	XTO ENERGY INC.	Oil	50955
42-329-41865	DIAMONDBACK E&P LLC	Oil	45236
42-329-41866	CROWNQUEST OPERATING, LLC	Oil	50042
42-329-41867	DIAMONDBACK E&P LLC	Oil	53565
42-329-41868	XTO ENERGY INC.	Oil	50955
42-329-41869	XTO ENERGY INC.	Oil	50964
42-329-41870	DIAMONDBACK E&P LLC	Oil	53566
42-329-41871	DIAMONDBACK E&P LLC	Oil	53570
42-329-41872	DIAMONDBACK E&P LLC	Oil	53354
42-329-41873	DIAMONDBACK E&P LLC	Oil	45236
42-329-41874	DIAMONDBACK E&P LLC	Oil	45236
42-329-41875	DIAMONDBACK E&P LLC	Oil	45236
42-329-41876	DIAMONDBACK E&P LLC	Oil	39560
42-329-41877	DIAMONDBACK E&P LLC	Oil	39560
42-329-41878	DIAMONDBACK E&P LLC	Oil	39560
42-329-41879	DIAMONDBACK E&P LLC	Oil	39560
42-329-41880	FIREBIRD ENERGY LLC	Oil	48987
42-329-41881	FIREBIRD ENERGY LLC	Oil	48987
42-329-41882	FIREBIRD ENERGY LLC	Oil	48987
42-329-41883	PIONEER NATURAL RES. USA, INC.	Oil	51420
42-329-41884	PIONEER NATURAL RES. USA, INC.	Oil	51421
42-329-41885	PIONEER NATURAL RES. USA, INC.	Oil	51450
42-329-41886	PERMIAN DEEP ROCK OIL CO., LLC	Oil	51007
42-329-41887	DIAMONDBACK E&P LLC	Oil	50026
42-329-41888	CHEVRON U. S. A. INC.	Oil	50119
42-329-41889	CHEVRON U. S. A. INC.	Oil	50119
42-329-41890	CHEVRON U. S. A. INC.	Oil	50119
42-329-41891	CHEVRON U. S. A. INC.	Oil	50119
42-329-41892	CHEVRON U. S. A. INC.	Oil	50119
42-329-41893	CHEVRON U. S. A. INC.	Oil	50119
42-329-41894	CHEVRON U. S. A. INC.	Oil	46868
42-329-41895	CHEVRON U. S. A. INC.	Oil	46042
42-329-41896	CHEVRON U. S. A. INC.	Oil	46358
42-329-41897	CHEVRON U. S. A. INC.	Oil	47000
42-329-41898	CHEVRON U. S. A. INC.
42-329-41899	EARTHSTONE OPERATING, LLC	Oil	47339
42-329-41900	EARTHSTONE OPERATING, LLC	Oil	47339
42-329-41901	HENRY RESOURCES LLC	Oil	44965
42-329-41902	HENRY RESOURCES LLC	Oil	44965
42-329-41903	PARSLEY ENERGY OPERATIONS, LLC	Oil	51092
42-329-41904	PARSLEY ENERGY OPERATIONS, LLC
42-329-41905	PARSLEY ENERGY OPERATIONS, LLC
42-329-41906	PARSLEY ENERGY OPERATIONS, LLC
42-329-41907	PARSLEY ENERGY OPERATIONS, LLC
42-329-41908	PARSLEY ENERGY OPERATIONS, LLC
42-329-41909	PARSLEY ENERGY OPERATIONS, LLC
42-329-41910	PARSLEY ENERGY OPERATIONS, LLC
42-329-41911	PARSLEY ENERGY OPERATIONS, LLC
42-329-41912	PARSLEY ENERGY OPERATIONS, LLC
42-329-41913	PARSLEY ENERGY OPERATIONS, LLC	Oil	51092
42-329-41914	PARSLEY ENERGY OPERATIONS, LLC	Oil	51092
42-329-41915	PARSLEY ENERGY OPERATIONS, LLC
42-329-41916	PARSLEY ENERGY OPERATIONS, LLC
42-329-41917	DE3 OPERATING LLC	Oil	50069
42-329-41918	Apache Corporation	Oil	47468
42-329-41919	Apache Corporation	Oil	47468
42-329-41920	Apache Corporation	Oil	47468
42-329-41921	Apache Corporation	Oil	47468
42-329-41922	Apache Corporation	Oil	47468
42-329-41923	Apache Corporation	Oil	47468
42-329-41924	Apache Corporation	Oil	47468
42-329-41925	Apache Corporation	Oil	47468
42-329-41926	Apache Corporation	Oil	47468
42-329-41927	Apache Corporation	Oil	47468
42-329-41928	PIONEER NATURAL RES. USA, INC.	Oil	50747
42-329-41929	PIONEER NATURAL RES. USA, INC.	Oil	50747
42-329-41930	PIONEER NATURAL RES. USA, INC.	Oil	50747
42-329-41931	HENRY RESOURCES LLC	Oil	44965
42-329-41932	HENRY RESOURCES LLC	Oil	44965
42-329-41933	ENDEAVOR ENERGY RESOURCES L.P.	Oil	48945
42-329-41934	ENDEAVOR ENERGY RESOURCES L.P.	Oil	48945
42-329-41935	PARSLEY ENERGY OPERATIONS, LLC	Oil	54141
42-329-41936	PARSLEY ENERGY OPERATIONS, LLC	Oil	54141
42-329-41937	PARSLEY ENERGY OPERATIONS, LLC
42-329-41938	PARSLEY ENERGY OPERATIONS, LLC
42-329-41939	PIONEER NATURAL RES. USA, INC.	Oil	50843
42-329-41940	PIONEER NATURAL RES. USA, INC.	Oil	50844
42-329-41941	OVINTIV USA INC.	Oil	47152
42-329-41942	OVINTIV USA INC.	Oil	47152
42-329-41943	CHEVRON U. S. A. INC.	Oil	47107
42-329-41944	PARSLEY ENERGY OPERATIONS, LLC	Oil	51853
42-329-41945	PARSLEY ENERGY OPERATIONS, LLC	Oil	52839
42-329-41946	PARSLEY ENERGY OPERATIONS, LLC
42-329-41947	PARSLEY ENERGY OPERATIONS, LLC
42-329-41948	PARSLEY ENERGY OPERATIONS, LLC	Oil	51853
42-329-41949	PARSLEY ENERGY OPERATIONS, LLC	Oil	51853
42-329-41950	PARSLEY ENERGY OPERATIONS, LLC	Oil	52839
42-329-41951	PARSLEY ENERGY OPERATIONS, LLC	Oil	52839
42-329-41952	ENDEAVOR ENERGY RESOURCES L.P.	Oil	48945
42-329-41953	OVINTIV USA INC.	Oil	47171
42-329-41954	OVINTIV USA INC.	Oil	47171
42-329-41955	SUMMIT PETROLEUM LLC	Oil	52105
42-329-41956	SUMMIT PETROLEUM LLC	Oil	52033
42-329-41957	PIONEER NATURAL RES. USA, INC.	Oil	50845
42-329-41958	ENDEAVOR ENERGY RESOURCES L.P.	Oil	48945
42-329-41959	XTO ENERGY INC.	Oil	47487
42-329-41960	ENDEAVOR ENERGY RESOURCES L.P.	Oil	48945
42-329-41961	SUMMIT PETROLEUM LLC	Oil	52248
42-329-41962	XTO ENERGY INC.	Oil	47487
42-329-41963	XTO ENERGY INC.	Oil	47472
42-329-41964	DIAMONDBACK E&P LLC	Oil	50000
42-329-41965	DIAMONDBACK E&P LLC	Oil	50000
42-329-41966	DIAMONDBACK E&P LLC	Oil	50000
42-329-41967	XTO ENERGY INC.	Oil	47472
42-329-41968	XTO ENERGY INC.
42-329-41969	CROWNQUEST OPERATING, LLC	Oil	51083
42-329-41970	CROWNQUEST OPERATING, LLC	Oil	49447
42-329-41971	WASSER OPERATING, LLC
42-329-41972	TARGA PL MID-CONT WESTTEX LLC
42-329-41973	TARGA PL MID-CONT WESTTEX LLC
42-329-41974	XTO ENERGY INC.
42-329-41975	XTO ENERGY INC.
42-329-41976	AMRICH OPERATING, LLC	Oil	49810
42-329-41977	ENDEAVOR ENERGY RESOURCES L.P.	Oil	48945
42-329-41978	MURCHISON OIL AND GAS, LLC	Oil	49923
42-329-41979	DIAMONDBACK E&P LLC	Oil	49578
42-329-41980	MURCHISON OIL AND GAS, LLC	Oil	49923
42-329-41981	MURCHISON OIL AND GAS, LLC	Oil	49923
42-329-41982	CHEVRON U. S. A. INC.	Oil	43735
42-329-41983	CHEVRON U. S. A. INC.	Oil	43735
42-329-41984	XTO ENERGY INC.	Oil	49514
42-329-41985	CHEVRON U. S. A. INC.	Oil	43735
42-329-41986	XTO ENERGY INC.	Oil	49514
42-329-41987	CHEVRON U. S. A. INC.	Oil	43735
42-329-41988	XTO ENERGY INC.	Oil	49514
42-329-41989	CHEVRON U. S. A. INC.	Oil	43735
42-329-41990	XTO ENERGY INC.	Oil	49514
42-329-41991	CHEVRON U. S. A. INC.	Oil	43735
42-329-41992	CHEVRON U. S. A. INC.	Oil	43735
42-329-41993	DIAMONDBACK E&P LLC	Oil	49578
42-329-41994	DIAMONDBACK E&P LLC	Oil	49578
42-329-41995	DIAMONDBACK E&P LLC	Oil	49578
42-329-41996	CROWNQUEST OPERATING, LLC	Oil	50917
42-329-41997	DIAMONDBACK E&P LLC	Oil	52214
42-329-41998	COG OPERATING LLC
42-329-41999	COG OPERATING LLC
42-329-42000	ENCANA OIL & GAS(USA) INC.
42-329-42001	HENRY RESOURCES LLC	Oil	44965
42-329-42002	HENRY RESOURCES LLC	Oil	44965
42-329-42003	COG OPERATING LLC	Oil	48103
42-329-42004	COG OPERATING LLC	Oil	48103
42-329-42005	ENVIRONMENTAL DSPL SYSTEMS, LLC	Oil	49625
42-329-42006	CROWNQUEST OPERATING, LLC	Oil	50917
42-329-42007	CROWNQUEST OPERATING, LLC	Oil	54068
42-329-42008	CROWNQUEST OPERATING, LLC
42-329-42009	COG OPERATING LLC	Oil	50428
42-329-42010	COG OPERATING LLC	Oil	50459
42-329-42011	Lario Oil & Gas Company	Oil	53864
42-329-42012	PERMIAN DEEP ROCK OIL CO., LLC
42-329-42013	PERMIAN DEEP ROCK OIL CO., LLC
42-329-42014	PERMIAN DEEP ROCK OIL CO., LLC
42-329-42015	COG OPERATING LLC	Oil	48102
42-329-42016	COG OPERATING LLC	Oil	48102
42-329-42017	COG OPERATING LLC	Oil	48102
42-329-42018	PERMIAN DEEP ROCK OIL CO., LLC
42-329-42019	PERMIAN DEEP ROCK OIL CO., LLC
42-329-42020	PIONEER NATURAL RES. USA, INC.	Oil	50034
42-329-42021	COG OPERATING LLC	Oil	49132
42-329-42022	COG OPERATING LLC	Oil	49132
42-329-42023	PERMIAN DEEP ROCK OIL CO., LLC	Oil	51990
42-329-42024	PERMIAN DEEP ROCK OIL CO., LLC
42-329-42025	PERMIAN DEEP ROCK OIL CO., LLC
42-329-42026	CROWNQUEST OPERATING, LLC
42-329-42027	CHEVRON U. S. A. INC.	Oil	51039
42-329-42028	DIAMONDBACK E&P LLC	Oil	39560
42-329-42029	DIAMONDBACK E&P LLC	Oil	39560
42-329-42030	DIAMONDBACK E&P LLC	Oil	39560
42-329-42031	CHEVRON U. S. A. INC.	Oil	51039
42-329-42032	DIAMONDBACK E&P LLC	Oil	51981
42-329-42033	DIAMONDBACK E&P LLC	Oil	39560
42-329-42034	DIAMONDBACK E&P LLC	Oil	39560
42-329-42035	CHEVRON U. S. A. INC.	Oil	51039
42-329-42036	ENDEAVOR ENERGY RESOURCES L.P.	Oil	50527
42-329-42037	ENDEAVOR ENERGY RESOURCES L.P.	Oil	50527
42-329-42038	CHEVRON U. S. A. INC.	Oil	47375
42-329-42039	XTO ENERGY INC.
42-329-42040	XTO ENERGY INC.
42-329-42041	XTO ENERGY INC.
42-329-42042	XTO ENERGY INC.
42-329-42043	XTO ENERGY INC.
42-329-42044	XTO ENERGY INC.
42-329-42045	XTO ENERGY INC.
42-329-42046	XTO ENERGY INC.
42-329-42047	XTO ENERGY INC.
42-329-42048	CROWNQUEST OPERATING, LLC	Oil	50935
42-329-42049
42-329-42050
42-329-42051	PIONEER NATURAL RES. USA, INC.	Oil	52861
42-329-42052	CROWNQUEST OPERATING, LLC	Oil	50821
42-329-42053	CROWNQUEST OPERATING, LLC	Oil	50067
42-329-42054	SUMMIT PETROLEUM LLC	Oil	52301
42-329-42055	SUMMIT PETROLEUM LLC	Oil	52477
42-329-42056	SUMMIT PETROLEUM LLC	Oil	52678
42-329-42057	PIONEER NATURAL RES. USA, INC.	Oil	46263
42-329-42058	HENRY RESOURCES LLC	Oil	44965
42-329-42059	HENRY RESOURCES LLC	Oil	44965
42-329-42060	PIONEER NATURAL RES. USA, INC.	Oil	46263
42-329-42061	CHEVRON U. S. A. INC.	Oil	43259
42-329-42062	CHEVRON U. S. A. INC.	Oil	43259
42-329-42063	CHEVRON U. S. A. INC.	Oil	43259
42-329-42064	CHEVRON U. S. A. INC.	Oil	43259
42-329-42065	CHEVRON U. S. A. INC.	Oil	43259
42-329-42066	CHEVRON U. S. A. INC.	Oil	43259
42-329-42067	XTO ENERGY INC.	Oil	39040
42-329-42068	OVINTIV USA INC.	Oil	50332
42-329-42069	OVINTIV USA INC.	Oil	50332
42-329-42070	OVINTIV USA INC.	Oil	50335
42-329-42071	OVINTIV USA INC.	Oil	50335
42-329-42072	OVINTIV USA INC.	Oil	50336
42-329-42073	OVINTIV USA INC.	Oil	50336
42-329-42074	FASKEN OIL AND RANCH, LTD.
42-329-42075	OVINTIV USA INC.	Oil	50336
42-329-42076	OVINTIV USA INC.	Oil	49573
42-329-42077	PARSLEY ENERGY OPERATIONS, LLC
42-329-42078	COG OPERATING LLC	Oil	20159
42-329-42079	ENDEAVOR ENERGY RESOURCES L.P.	Oil	50401
42-329-42080	ENDEAVOR ENERGY RESOURCES L.P.	Oil	50243
42-329-42081	ENDEAVOR ENERGY RESOURCES L.P.	Oil	50243
42-329-42082	COG OPERATING LLC
42-329-42083	DIAMONDBACK E&P LLC	Oil	51856
42-329-42084	PIONEER NATURAL RES. USA, INC.	Oil	33034
42-329-42085	COG OPERATING LLC
42-329-42086	COG OPERATING LLC
42-329-42087	COG OPERATING LLC
42-329-42088	COG OPERATING LLC	Oil	20158
42-329-42089	CROWNQUEST OPERATING, LLC
42-329-42090	XTO ENERGY INC.	Oil	51407
42-329-42091	XTO ENERGY INC.	Oil	51407
42-329-42092	DIAMONDBACK E&P LLC	Oil	52052
42-329-42093	XTO ENERGY INC.	Oil	49750
42-329-42094	CALLON PETROLEUM OPERATING CO	Oil	38873
42-329-42095	FASKEN OIL AND RANCH, LTD.
42-329-42096	FASKEN OIL AND RANCH, LTD.
42-329-42097	FASKEN OIL AND RANCH, LTD.
42-329-42098	DIAMONDBACK E&P LLC	Oil	51969
42-329-42099	DIAMONDBACK E&P LLC	Oil	51761
42-329-42100	XTO ENERGY INC.	Oil	51515
42-329-42101	XTO ENERGY INC.	Oil	51515
42-329-42102	Lario Oil & Gas Company	Oil	53324
42-329-42103	XTO ENERGY INC.	Oil	51490
42-329-42104	CROWNQUEST OPERATING, LLC	Oil	50935
42-329-42105	XTO ENERGY INC.	Oil	51490
42-329-42106	CROWNQUEST OPERATING, LLC	Oil	50850
42-329-42107	XTO ENERGY INC.	Oil	51389
42-329-42108	XTO ENERGY INC.	Oil	51389
42-329-42109	COG OPERATING LLC	Oil	48498
42-329-42110	CROWNQUEST OPERATING, LLC	Oil	52532
42-329-42111	CHEVRON U. S. A. INC.	Oil	50384
42-329-42112	COG OPERATING LLC	Oil	48498
42-329-42113	ENDEAVOR ENERGY RESOURCES L.P.	Oil	49979
42-329-42114	PERMIAN DEEP ROCK OIL CO., LLC	Oil	48846
42-329-42115	PERMIAN DEEP ROCK OIL CO., LLC	Oil	48846
42-329-42116	PERMIAN DEEP ROCK OIL CO., LLC	Oil	48846
42-329-42117	PERMIAN DEEP ROCK OIL CO., LLC	Oil	48846
42-329-42118	OVINTIV USA INC.	Oil	50755
42-329-42119	OVINTIV USA INC.	Oil	50755
42-329-42120	OVINTIV USA INC.	Oil	50755
42-329-42121	OVINTIV USA INC.	Oil	50756
42-329-42122	OVINTIV USA INC.	Oil	50756
42-329-42123	OVINTIV USA INC.	Oil	50756
42-329-42124	OVINTIV USA INC.	Oil	50757
42-329-42125	OVINTIV USA INC.	Oil	50757
42-329-42126	OVINTIV USA INC.	Oil	50757
42-329-42127	OVINTIV USA INC.	Oil	50758
42-329-42128	OVINTIV USA INC.	Oil	50758
42-329-42129	OVINTIV USA INC.	Oil	50758
42-329-42130	PIONEER NATURAL RES. USA, INC.	Oil	50688
42-329-42131	COG OPERATING LLC	Oil	20118
42-329-42132	PIONEER NATURAL RES. USA, INC.	Oil	50689
42-329-42133	PIONEER NATURAL RES. USA, INC.	Oil	50294
42-329-42134	CROWNQUEST OPERATING, LLC
42-329-42135	COG OPERATING LLC	Oil	20129
42-329-42136	COG OPERATING LLC	Oil	20091
42-329-42137	CROWNQUEST OPERATING, LLC
42-329-42138	CROWNQUEST OPERATING, LLC
42-329-42139	PERMIAN DEEP ROCK OIL CO., LLC	Oil	51022
42-329-42140	COG OPERATING LLC	Oil	20133
42-329-42141	COG OPERATING LLC	Oil	20157
42-329-42142	COG OPERATING LLC	Oil	20167
42-329-42143	COG OPERATING LLC	Oil	20130
42-329-42144	PARSLEY ENERGY OPERATIONS, LLC	Oil	52230
42-329-42145	XTO ENERGY INC.	Oil	50887
42-329-42146	COG OPERATING LLC	Oil	20117
42-329-42147	COG OPERATING LLC	Oil	20147
42-329-42148	HENRY RESOURCES LLC	Oil	44965
42-329-42149	HENRY RESOURCES LLC	Oil	44965
42-329-42150	HENRY RESOURCES LLC	Oil	44965
42-329-42151	CROWNQUEST OPERATING, LLC	Oil	52180
42-329-42152	CHEVRON U. S. A. INC.	Oil	50384
42-329-42153	CHEVRON U. S. A. INC.	Oil	50384
42-329-42154	HENRY RESOURCES LLC	Oil	44965
42-329-42155	DIAMONDBACK E&P LLC	Oil	52727
42-329-42156	DIAMONDBACK E&P LLC	Oil	51728
42-329-42157	DIAMONDBACK E&P LLC	Oil	52669
42-329-42158	DIAMONDBACK E&P LLC	Oil	52729
42-329-42159	CALLON PETROLEUM OPERATING CO	Oil	38816
42-329-42160	CALLON PETROLEUM OPERATING CO	Oil	38816
42-329-42161	CALLON PETROLEUM OPERATING CO	Oil	38816
42-329-42162	CALLON PETROLEUM OPERATING CO	Oil	38816
42-329-42163	CALLON PETROLEUM OPERATING CO	Oil	38816
42-329-42164	NUSTAR LOGISTICS, L.P.
42-329-42165	CALLON PETROLEUM OPERATING CO	Oil	38816
42-329-42166	XTO ENERGY INC.	Oil	50887
42-329-42167	PIONEER NATURAL RES. USA, INC.	Oil	51400
42-329-42168	PIONEER NATURAL RES. USA, INC.	Oil	51401
42-329-42169	PIONEER NATURAL RES. USA, INC.	Oil	51402
42-329-42170	PIONEER NATURAL RES. USA, INC.	Oil	51399
42-329-42171	PIONEER NATURAL RES. USA, INC.	Oil	51241
42-329-42172	PIONEER NATURAL RES. USA, INC.	Oil	51253
42-329-42173	CHEVRON U. S. A. INC.	Oil	50384
42-329-42174	CHEVRON U. S. A. INC.	Oil	50384
42-329-42175	CHEVRON U. S. A. INC.	Oil	50384
42-329-42176	CALLON PETROLEUM OPERATING CO	Oil	38675
42-329-42177	CALLON PETROLEUM OPERATING CO	Oil	38675
42-329-42178	CALLON PETROLEUM OPERATING CO	Oil	38675
42-329-42179	CALLON PETROLEUM OPERATING CO	Oil	38675
42-329-42180	CALLON PETROLEUM OPERATING CO	Oil	38675
42-329-42181	CALLON PETROLEUM OPERATING CO	Oil	38675
42-329-42182	XTO ENERGY INC.	Oil	50805
42-329-42183	XTO ENERGY INC.	Oil	50805
42-329-42184	INDEPENDENCE RESOURCES MGMT, LLC	Oil	38763
42-329-42185	HENRY RESOURCES LLC	Oil	44965
42-329-42186	INDEPENDENCE RESOURCES MGMT, LLC	Oil	38763
42-329-42187	INDEPENDENCE RESOURCES MGMT, LLC	Oil	38763
42-329-42188	ENDEAVOR ENERGY RESOURCES L.P.	Oil	50533
42-329-42189	ENDEAVOR ENERGY RESOURCES L.P.	Oil	50533
42-329-42190	HENRY RESOURCES LLC	Oil	44965
42-329-42191	COG OPERATING LLC	Oil	38844
42-329-42192	COG OPERATING LLC	Oil	38844
42-329-42193	CHEVRON U. S. A. INC.	Oil	44361
42-329-42194	CHEVRON U. S. A. INC.	Oil	44361
42-329-42195	CHEVRON U. S. A. INC.	Oil	44361
42-329-42196	CROWNQUEST OPERATING, LLC	Oil	51213
42-329-42197	XTO ENERGY INC.	Oil	50826
42-329-42198	XTO ENERGY INC.	Oil	50826
42-329-42199	XTO ENERGY INC.	Oil	50837
42-329-42200	XTO ENERGY INC.	Oil	50837
42-329-42201	CROWNQUEST OPERATING, LLC	Oil	50732
42-329-42202	ENDEAVOR ENERGY RESOURCES L.P.	Oil	50866
42-329-42203	ENDEAVOR ENERGY RESOURCES L.P.	Oil	50866
42-329-42204	ENDEAVOR ENERGY RESOURCES L.P.	Oil	47595
42-329-42205	Apache Corporation	Oil	49066
42-329-42206	Apache Corporation	Oil	49066
42-329-42207	Apache Corporation	Oil	49066
42-329-42208	Apache Corporation	Oil	49066
42-329-42209	COG OPERATING LLC
42-329-42210	Apache Corporation	Oil	49066
42-329-42211	Apache Corporation	Oil	49066
42-329-42212	CROWNQUEST OPERATING, LLC	Oil	51083
42-329-42213	Apache Corporation	Oil	49066
42-329-42214	Apache Corporation	Oil	49066
42-329-42215	COG OPERATING LLC	Oil	48498
42-329-42216	CROWNQUEST OPERATING, LLC	Oil	51083
42-329-42217	Apache Corporation	Oil	49066
42-329-42218	COG OPERATING LLC
42-329-42219	Apache Corporation	Oil	49066
42-329-42220	CROWNQUEST OPERATING, LLC	Oil	51083
42-329-42221	COG OPERATING LLC
42-329-42222	Apache Corporation	Oil	49066
42-329-42223	COG OPERATING LLC
42-329-42224	Apache Corporation	Oil	49066
42-329-42225	COG OPERATING LLC
42-329-42226	Apache Corporation	Oil	49066
42-329-42227	RSP PERMIAN, LLC
42-329-42228	COG OPERATING LLC	Oil	38844
42-329-42229	COG OPERATING LLC	Oil	38844
42-329-42230	COG OPERATING LLC	Oil	48498
42-329-42231	COG OPERATING LLC	Oil	48498
42-329-42232	COG OPERATING LLC
42-329-42233	COG OPERATING LLC
42-329-42234	COG OPERATING LLC
42-329-42235	COG OPERATING LLC
42-329-42236	OVERFLOW ENERGY PERMIAN, LLC	Oil	50071
42-329-42237	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-42238	XTO ENERGY INC.	Oil	51288
42-329-42239	PIONEER NATURAL RES. USA, INC.	Oil	06414
42-329-42240	XTO ENERGY INC.	Oil	39040
42-329-42241	CHEVRON U. S. A. INC.	Oil	44361
42-329-42242	CHEVRON U. S. A. INC.	Oil	44361
42-329-42243	CHEVRON U. S. A. INC.	Oil	44361
42-329-42244	CHEVRON U. S. A. INC.	Oil	51039
42-329-42245	CHEVRON U. S. A. INC.	Oil	51039
42-329-42246	CHEVRON U. S. A. INC.	Oil	51039
42-329-42247	DIAMONDBACK E&P LLC	Oil	53577
42-329-42248	DIAMONDBACK E&P LLC	Oil	53877
42-329-42249	DIAMONDBACK E&P LLC	Oil	53625
42-329-42250	DIAMONDBACK E&P LLC	Oil	53657
42-329-42251	XTO ENERGY INC.	Oil	39040
42-329-42252	ENDEAVOR ENERGY RESOURCES L.P.	Oil	47595
42-329-42253	PIONEER NATURAL RES. USA, INC.	Oil	50973
42-329-42254	OVINTIV USA INC.	Oil	48873
42-329-42255	OVINTIV USA INC.	Oil	48873
42-329-42256	OVINTIV USA INC.	Oil	48696
42-329-42257	OVINTIV USA INC.	Oil	48696
42-329-42258	PIONEER NATURAL RES. USA, INC.	Oil	51353
42-329-42259	PIONEER NATURAL RES. USA, INC.	Oil	51597
42-329-42260	PIONEER NATURAL RES. USA, INC.	Oil	51600
42-329-42261	DIAMONDBACK E&P LLC	Oil	53513
42-329-42262	DIAMONDBACK E&P LLC	Oil	50026
42-329-42263	ENDEAVOR ENERGY RESOURCES L.P.
42-329-42264	CHEVRON U. S. A. INC.	Oil	51039
42-329-42265	CHEVRON U. S. A. INC.	Oil	51039
42-329-42266	CHEVRON U. S. A. INC.	Oil	51039
42-329-42267	CHEVRON U. S. A. INC.	Oil	51039
42-329-42268	PIONEER NATURAL RES. USA, INC.	Oil	51319
42-329-42269	CHEVRON U. S. A. INC.	Oil	51039
42-329-42270	PIONEER NATURAL RES. USA, INC.	Oil	51320
42-329-42271	PIONEER NATURAL RES. USA, INC.	Oil	51449
42-329-42272	CHEVRON U. S. A. INC.	Oil	51039
42-329-42273	SUMMIT PETROLEUM LLC
42-329-42274	SUMMIT PETROLEUM LLC	Oil	37392
42-329-42275	CROWNQUEST OPERATING, LLC	Oil	52244
42-329-42276	CROWNQUEST OPERATING, LLC	Oil	54068
42-329-42277	DIAMONDBACK E&P LLC	Oil	51664
42-329-42278	DIAMONDBACK E&P LLC	Oil	51664
42-329-42279	DIAMONDBACK E&P LLC	Oil	47022
42-329-42280	DIAMONDBACK E&P LLC	Oil	47022
42-329-42281	Lario Oil & Gas Company	Oil	53861
42-329-42282	PARSLEY ENERGY OPERATIONS, LLC	Oil	50769
42-329-42283	CROWNQUEST OPERATING, LLC	Oil	52332
42-329-42284	CROWNQUEST OPERATING, LLC	Oil	52244
42-329-42285	CROWNQUEST OPERATING, LLC	Oil	52332
42-329-42286	DIAMONDBACK E&P LLC	Oil	51664
42-329-42287	DIAMONDBACK E&P LLC	Oil	51664
42-329-42288	DIAMONDBACK E&P LLC	Oil	51664
42-329-42289	XTO ENERGY INC.	Oil	50407
42-329-42290	DIAMONDBACK E&P LLC	Oil	51664
42-329-42291	PIONEER NATURAL RES. USA, INC.	Oil	46263
42-329-42292	PIONEER NATURAL RES. USA, INC.	Oil	46263
42-329-42293	PIONEER NATURAL RES. USA, INC.	Oil	46263
42-329-42294	XTO ENERGY INC.	Oil	50407
42-329-42295	CROWNQUEST OPERATING, LLC
42-329-42296	HENRY RESOURCES LLC	Oil	44965
42-329-42297	Lario Oil & Gas Company	Oil	53865
42-329-42298	DE3 OPERATING LLC	Oil	50204
42-329-42299	CHEVRON U. S. A. INC.	Oil	50119
42-329-42300	DE3 OPERATING LLC	Oil	51190
42-329-42301	CHEVRON U. S. A. INC.	Oil	50119
42-329-42302	CHEVRON U. S. A. INC.	Oil	50119
42-329-42303	CHEVRON U. S. A. INC.	Oil	50119
42-329-42304	CHEVRON U. S. A. INC.	Oil	50119
42-329-42305	CHEVRON U. S. A. INC.	Oil	50119
42-329-42306	PARSLEY ENERGY OPERATIONS, LLC	Oil	53118
42-329-42307	HENRY RESOURCES LLC	Oil	44965
42-329-42308	CROWNQUEST OPERATING, LLC
42-329-42309	CROWNQUEST OPERATING, LLC
42-329-42310	CROWNQUEST OPERATING, LLC
42-329-42311	ENDEAVOR ENERGY RESOURCES L.P.	Oil	50525
42-329-42312	PARSLEY ENERGY OPERATIONS, LLC	Oil	53118
42-329-42313	XTO ENERGY INC.	Oil	50407
42-329-42314	CROWNQUEST OPERATING, LLC	Oil	52677
42-329-42315	DIAMONDBACK E&P LLC	Oil	51498
42-329-42316	ENDEAVOR ENERGY RESOURCES L.P.	Oil	50525
42-329-42317	PARSLEY ENERGY OPERATIONS, LLC	Oil	53118
42-329-42318	PARSLEY ENERGY OPERATIONS, LLC	Oil	53118
42-329-42319	PIONEER NATURAL RES. USA, INC.	Oil	46263
42-329-42320	PIONEER NATURAL RES. USA, INC.	Oil	46263
42-329-42321	PIONEER NATURAL RES. USA, INC.	Oil	46263
42-329-42322	PERMIAN DEEP ROCK OIL CO., LLC
42-329-42323	ENDEAVOR ENERGY RESOURCES L.P.	Oil	48945
42-329-42324	PIONEER NATURAL RES. USA, INC.	Oil	46263
42-329-42325	PIONEER NATURAL RES. USA, INC.	Oil	46263
42-329-42326	PIONEER NATURAL RES. USA, INC.	Oil	46263
42-329-42327	Apache Corporation	Oil	49796
42-329-42328	PARSLEY ENERGY OPERATIONS, LLC	Oil	51527
42-329-42329	PARSLEY ENERGY OPERATIONS, LLC	Oil	51527
42-329-42330	CHEVRON U. S. A. INC.	Oil	43259
42-329-42331	CHEVRON U. S. A. INC.	Oil	43259
42-329-42332	CHEVRON U. S. A. INC.	Oil	43259
42-329-42333	CHEVRON U. S. A. INC.	Oil	43259
42-329-42334	CHEVRON U. S. A. INC.	Oil	43259
42-329-42335	CHEVRON U. S. A. INC.	Oil	43259
42-329-42336	PARSLEY ENERGY OPERATIONS, LLC	Oil
42-329-42337	PARSLEY ENERGY OPERATIONS, LLC	Oil	52984
42-329-42338	CROWNQUEST OPERATING, LLC	Oil	50917
42-329-42339	DIAMONDBACK E&P LLC	Oil	39560
42-329-42340	PIONEER NATURAL RES. USA, INC.	Oil	46263
42-329-42341	CALLON PETROLEUM OPERATING CO	Oil	51453
42-329-42342	ENDEAVOR ENERGY RESOURCES L.P.	Oil	50929
42-329-42343	CALLON PETROLEUM OPERATING CO	Oil	51434
42-329-42344	DIAMONDBACK E&P LLC	Oil	51498
42-329-42345	DIAMONDBACK E&P LLC	Oil	51498
42-329-42346	PIONEER NATURAL RES. USA, INC.	Oil	52107
42-329-42347	PIONEER NATURAL RES. USA, INC.	Oil	53023
42-329-42348	PIONEER NATURAL RES. USA, INC.	Oil	52858
42-329-42349	XTO ENERGY INC.	Oil	51049
42-329-42350	PERMIAN DEEP ROCK OIL CO., LLC
42-329-42351	PERMIAN DEEP ROCK OIL CO., LLC
42-329-42352	PERMIAN DEEP ROCK OIL CO., LLC
42-329-42353	PERMIAN DEEP ROCK OIL CO., LLC
42-329-42354	PERMIAN DEEP ROCK OIL CO., LLC
42-329-42355	DIAMONDBACK E&P LLC	Oil	50813
42-329-42356	DIAMONDBACK E&P LLC	Oil	51499
42-329-42357	PERMIAN DEEP ROCK OIL CO., LLC
42-329-42358	PERMIAN DEEP ROCK OIL CO., LLC
42-329-42359	PERMIAN DEEP ROCK OIL CO., LLC
42-329-42360	PERMIAN DEEP ROCK OIL CO., LLC
42-329-42361	PERMIAN DEEP ROCK OIL CO., LLC
42-329-42362	PERMIAN DEEP ROCK OIL CO., LLC
42-329-42363	PERMIAN DEEP ROCK OIL CO., LLC
42-329-42364	PERMIAN DEEP ROCK OIL CO., LLC
42-329-42365	PERMIAN DEEP ROCK OIL CO., LLC
42-329-42366	PERMIAN DEEP ROCK OIL CO., LLC	Oil	51007
42-329-42367	XTO ENERGY INC.	Oil	50580
42-329-42368	XTO ENERGY INC.	Oil	50580
42-329-42369	ENDEAVOR ENERGY RESOURCES L.P.
42-329-42370	PIONEER NATURAL RES. USA, INC.	Oil	51686
42-329-42371	XTO ENERGY INC.	Oil	51090
42-329-42372	ENDEAVOR ENERGY RESOURCES L.P.
42-329-42373	ENDEAVOR ENERGY RESOURCES L.P.
42-329-42374	ENDEAVOR ENERGY RESOURCES L.P.
42-329-42375	PIONEER NATURAL RES. USA, INC.	Oil	53225
42-329-42376	PIONEER NATURAL RES. USA, INC.	Oil	53192
42-329-42377	PIONEER NATURAL RES. USA, INC.	Oil	53343
42-329-42378	PIONEER NATURAL RES. USA, INC.	Oil	51808
42-329-42379	PIONEER NATURAL RES. USA, INC.	Oil	51815
42-329-42380	PIONEER NATURAL RES. USA, INC.	Oil	53402
42-329-42381	DIAMONDBACK E&P LLC	Oil	51499
42-329-42382	ENDEAVOR ENERGY RESOURCES L.P.
42-329-42383	ENDEAVOR ENERGY RESOURCES L.P.
42-329-42384	FASKEN OIL AND RANCH, LTD.	Oil	27765
42-329-42385	PIONEER NATURAL RES. USA, INC.	Oil	46263
42-329-42386	PIONEER NATURAL RES. USA, INC.	Oil	46263
42-329-42387	FASKEN OIL AND RANCH, LTD.	Oil	27765
42-329-42388	Lario Oil & Gas Company	Oil	53866
42-329-42389	FASKEN OIL AND RANCH, LTD.	Oil	27765
42-329-42390	Lario Oil & Gas Company	Oil	51647
42-329-42391	ENDEAVOR ENERGY RESOURCES L.P.	Oil	51067
42-329-42392	FASKEN OIL AND RANCH, LTD.	Oil	50620
42-329-42393	ENDEAVOR ENERGY RESOURCES L.P.	Oil	51054
42-329-42394	PIONEER NATURAL RES. USA, INC.	Oil	52265
42-329-42395	PIONEER NATURAL RES. USA, INC.	Oil	53016
42-329-42396	PIONEER NATURAL RES. USA, INC.	Oil	53017
42-329-42397	PIONEER NATURAL RES. USA, INC.	Oil	52118
42-329-42398	PIONEER NATURAL RES. USA, INC.	Oil	51996
42-329-42399	PIONEER NATURAL RES. USA, INC.	Oil	51967
42-329-42400	PIONEER NATURAL RES. USA, INC.	Oil	50747
42-329-42401	OVINTIV USA INC.	Oil	50930
42-329-42402	OVINTIV USA INC.	Oil	50930
42-329-42403	OVINTIV USA INC.	Oil	50931
42-329-42404	OVINTIV USA INC.	Oil	50931
42-329-42405	PIONEER NATURAL RES. USA, INC.	Oil	50747
42-329-42406	OVINTIV USA INC.	Oil	50931
42-329-42407	OVINTIV USA INC.	Oil	50953
42-329-42408	PIONEER NATURAL RES. USA, INC.	Oil	50747
42-329-42409	OVINTIV USA INC.	Oil	50953
42-329-42410	OVINTIV USA INC.	Oil	50932
42-329-42411	OVINTIV USA INC.	Oil	50932
42-329-42412	PERMIAN DEEP ROCK OIL CO., LLC	Oil	51252
42-329-42413	PIONEER NATURAL RES. USA, INC.	Oil	54406
42-329-42414	PIONEER NATURAL RES. USA, INC.	Oil	54285
42-329-42415	PIONEER NATURAL RES. USA, INC.	Oil	54380
42-329-42416	PIONEER NATURAL RES. USA, INC.	Oil	54243
42-329-42417	PIONEER NATURAL RES. USA, INC.	Oil	54404
42-329-42418	PIONEER NATURAL RES. USA, INC.	Oil	54353
42-329-42419	COG OPERATING LLC	Oil	53526
42-329-42420	COG OPERATING LLC	Oil	52250
42-329-42421	COG OPERATING LLC	Oil	52163
42-329-42422	COG OPERATING LLC	Oil	52096
42-329-42423	COG OPERATING LLC	Oil	52134
42-329-42424	COG OPERATING LLC	Oil	52218
42-329-42425	COG OPERATING LLC	Oil	53154
42-329-42426	CALLON PETROLEUM OPERATING CO	Oil	51372
42-329-42427	CALLON PETROLEUM OPERATING CO	Oil	51435
42-329-42428	CALLON PETROLEUM OPERATING CO	Oil	51357
42-329-42429	CALLON PETROLEUM OPERATING CO	Oil	51435
42-329-42430	PIONEER NATURAL RES. USA, INC.
42-329-42431	PIONEER NATURAL RES. USA, INC.
42-329-42432	PIONEER NATURAL RES. USA, INC.
42-329-42433	COG OPERATING LLC	Oil	52647
42-329-42434	COG OPERATING LLC	Oil	52233
42-329-42435	SOLARIS WATER MIDSTREAM, LLC
42-329-42436	COG OPERATING LLC	Oil	52842
42-329-42437	COG OPERATING LLC	Oil	52638
42-329-42438	FASKEN OIL AND RANCH, LTD.	Oil	47876
42-329-42439	CHEVRON U. S. A. INC.	Oil	40422
42-329-42440	CHEVRON U. S. A. INC.	Oil	40422
42-329-42441	CHEVRON U. S. A. INC.	Oil	40422
42-329-42442	CHEVRON U. S. A. INC.	Oil	40422
42-329-42443	CHEVRON U. S. A. INC.	Oil	40422
42-329-42444	CHEVRON U. S. A. INC.	Oil	40422
42-329-42445	PARK HILL DISPOSAL LLC	Oil	54384
42-329-42446	CHEVRON U. S. A. INC.	Oil	50384
42-329-42447	CHEVRON U. S. A. INC.	Oil	50384
42-329-42448	CHEVRON U. S. A. INC.	Oil	50384
42-329-42449	CHEVRON U. S. A. INC.	Oil	50384
42-329-42450	CHEVRON U. S. A. INC.	Oil	50384
42-329-42451	CHEVRON U. S. A. INC.	Oil	50384
42-329-42452	FASKEN OIL AND RANCH, LTD.	Oil	47876
42-329-42453	PERMIAN DEEP ROCK OIL CO., LLC	Oil	48846
42-329-42454	PERMIAN DEEP ROCK OIL CO., LLC	Oil	48846
42-329-42455	Hunt Oil Company	Oil	51303
42-329-42456	Hunt Oil Company	Oil	51303
42-329-42457	Hunt Oil Company	Oil	48001
42-329-42458	Hunt Oil Company	Oil	48001
42-329-42459	PERMIAN DEEP ROCK OIL CO., LLC	Oil	48846
42-329-42460	HENRY RESOURCES LLC	Oil	44965
42-329-42461	COG OPERATING LLC	Oil	52161
42-329-42462	COG OPERATING LLC	Oil	52219
42-329-42463	COG OPERATING LLC	Oil	52158
42-329-42464	COG OPERATING LLC
42-329-42465	COG OPERATING LLC	Oil	52314
42-329-42466	COG OPERATING LLC	Oil	48103
42-329-42467	COG OPERATING LLC	Oil	48103
42-329-42468	XTO ENERGY INC.	Oil	51885
42-329-42469	XTO ENERGY INC.	Oil	51885
42-329-42470	COG OPERATING LLC	Oil	48103
42-329-42471	XTO ENERGY INC.
42-329-42472	XTO ENERGY INC.	Oil	51837
42-329-42473	XTO ENERGY INC.	Oil	51837
42-329-42474	XTO ENERGY INC.	Oil	51898
42-329-42475	XTO ENERGY INC.	Oil	51898
42-329-42476	XTO ENERGY INC.	Oil	51899
42-329-42477	XTO ENERGY INC.	Oil	51899
42-329-42478	PARSLEY ENERGY OPERATIONS, LLC	Oil	53995
42-329-42479	TALL CITY BRINE LLC	Oil	51114
42-329-42480	PARSLEY ENERGY OPERATIONS, LLC	Oil	53995
42-329-42481	PARSLEY ENERGY OPERATIONS, LLC	Oil	53995
42-329-42482	PIONEER NATURAL RES. USA, INC.	Oil	51755
42-329-42483	PIONEER NATURAL RES. USA, INC.	Oil	51972
42-329-42484	PIONEER NATURAL RES. USA, INC.	Oil	51790
42-329-42485	DE3 OPERATING LLC	Oil	51250
42-329-42486	DE3 OPERATING LLC	Oil	51250
42-329-42487	DE3 OPERATING LLC	Oil	51250
42-329-42488	ENDEAVOR ENERGY RESOURCES L.P.	Oil	50866
42-329-42489	FASKEN OIL AND RANCH, LTD.	Oil	47876
42-329-42490	DE3 OPERATING LLC	Oil	51299
42-329-42491	PIONEER NATURAL RES. USA, INC.	Oil	51936
42-329-42492	PIONEER NATURAL RES. USA, INC.	Oil	52119
42-329-42493	PIONEER NATURAL RES. USA, INC.	Oil	52099
42-329-42494	MURCHISON OIL AND GAS, LLC	Oil	50903
42-329-42495	MURCHISON OIL AND GAS, LLC	Oil	50903
42-329-42496	MURCHISON OIL AND GAS, LLC	Oil	50903
42-329-42497	PERMIAN DEEP ROCK OIL CO., LLC	Oil	51107
42-329-42498	MURCHISON OIL AND GAS, LLC	Oil	50903
42-329-42499	ENDEAVOR ENERGY RESOURCES L.P.	Oil	51913
42-329-42500	ENDEAVOR ENERGY RESOURCES L.P.	Oil	51913
42-329-42501	ENDEAVOR ENERGY RESOURCES L.P.	Oil	51914
42-329-42502	ENDEAVOR ENERGY RESOURCES L.P.	Oil	51914
42-329-42503	ENDEAVOR ENERGY RESOURCES L.P.
42-329-42504	ENDEAVOR ENERGY RESOURCES L.P.	Oil	51914
42-329-42505	Hunt Oil Company	Oil	48001
42-329-42506	ENDEAVOR ENERGY RESOURCES L.P.	Oil	51914
42-329-42507	Hunt Oil Company	Oil	51303
42-329-42508	Hunt Oil Company	Oil	47967
42-329-42509	ENDEAVOR ENERGY RESOURCES L.P.	Oil	51914
42-329-42510	ENDEAVOR ENERGY RESOURCES L.P.	Oil	51914
42-329-42511	ENDEAVOR ENERGY RESOURCES L.P.	Oil	51914
42-329-42512	ENDEAVOR ENERGY RESOURCES L.P.	Oil	51914
42-329-42513	ENDEAVOR ENERGY RESOURCES L.P.	Oil	51914
42-329-42514	PIONEER NATURAL RES. USA, INC.	Oil	52165
42-329-42515	PIONEER NATURAL RES. USA, INC.	Oil	52166
42-329-42516	PIONEER NATURAL RES. USA, INC.	Oil	51351
42-329-42517	Apache Corporation	Oil	47468
42-329-42518	Apache Corporation	Oil	47468
42-329-42519	Apache Corporation	Oil	47468
42-329-42520	DIAMONDBACK E&P LLC
42-329-42521	DIAMONDBACK E&P LLC
42-329-42522	PIONEER NATURAL RES. USA, INC.	Oil	52167
42-329-42523	DIAMONDBACK E&P LLC
42-329-42524	Apache Corporation	Oil	47468
42-329-42525	DIAMONDBACK E&P LLC
42-329-42526	DIAMONDBACK E&P LLC
42-329-42527	PIONEER NATURAL RES. USA, INC.	Oil	52168
42-329-42528	PIONEER NATURAL RES. USA, INC.	Oil	52169
42-329-42529	Apache Corporation	Oil	47468
42-329-42530	Apache Corporation	Oil	47468
42-329-42531	CALLON PETROLEUM OPERATING CO	Oil	38905
42-329-42532	CALLON PETROLEUM OPERATING CO	Oil	38905
42-329-42533	CALLON PETROLEUM OPERATING CO	Oil	38905
42-329-42534	PIONEER NATURAL RES. USA, INC.
42-329-42535	PIONEER NATURAL RES. USA, INC.
42-329-42536	PIONEER NATURAL RES. USA, INC.
42-329-42537	SUMMIT PETROLEUM LLC	Oil	37392
42-329-42538	ENDEAVOR ENERGY RESOURCES L.P.	Oil	51608
42-329-42539	ENDEAVOR ENERGY RESOURCES L.P.	Oil	51608
42-329-42540	PIONEER NATURAL RES. USA, INC.	Oil	52183
42-329-42541	PIONEER NATURAL RES. USA, INC.	Oil	06390
42-329-42542	PIONEER NATURAL RES. USA, INC.	Oil	06390
42-329-42543	PIONEER NATURAL RES. USA, INC.	Oil	06390
42-329-42544	PIONEER NATURAL RES. USA, INC.	Oil	06390
42-329-42545	PIONEER NATURAL RES. USA, INC.	Oil	06390
42-329-42546	PIONEER NATURAL RES. USA, INC.	Oil	06390
42-329-42547	PIONEER NATURAL RES. USA, INC.	Oil	46106
42-329-42548	PIONEER NATURAL RES. USA, INC.	Oil	46106
42-329-42549	PIONEER NATURAL RES. USA, INC.	Oil	46106
42-329-42550	PIONEER NATURAL RES. USA, INC.	Oil	46106
42-329-42551	PERMIAN DEEP ROCK OIL CO., LLC
42-329-42552	PERMIAN DEEP ROCK OIL CO., LLC
42-329-42553	PERMIAN DEEP ROCK OIL CO., LLC
42-329-42554	PIONEER NATURAL RES. USA, INC.	Oil	46106
42-329-42555	PERMIAN DEEP ROCK OIL CO., LLC
42-329-42556	PERMIAN DEEP ROCK OIL CO., LLC
42-329-42557	PERMIAN DEEP ROCK OIL CO., LLC
42-329-42558	PERMIAN DEEP ROCK OIL CO., LLC
42-329-42559	PERMIAN DEEP ROCK OIL CO., LLC
42-329-42560	PIONEER NATURAL RES. USA, INC.	Oil	46106
42-329-42561	PIONEER NATURAL RES. USA, INC.	Oil	46106
42-329-42562	PIONEER NATURAL RES. USA, INC.	Oil	46106
42-329-42563	XTO ENERGY INC.	Oil	47553
42-329-42564	XTO ENERGY INC.	Oil	47553
42-329-42565	XTO ENERGY INC.	Oil	47553
42-329-42566	XTO ENERGY INC.	Oil	47553
42-329-42567	PIONEER NATURAL RES. USA, INC.	Oil	46106
42-329-42568	PIONEER NATURAL RES. USA, INC.	Oil	46106
42-329-42569	PIONEER NATURAL RES. USA, INC.	Oil	52138
42-329-42570	PIONEER NATURAL RES. USA, INC.	Oil	52181
42-329-42571	PIONEER NATURAL RES. USA, INC.	Oil	52182
42-329-42572	PIONEER NATURAL RES. USA, INC.	Oil	52227
42-329-42573	PIONEER NATURAL RES. USA, INC.	Oil	52272
42-329-42574	PIONEER NATURAL RES. USA, INC.	Oil	52476
42-329-42575	FASKEN OIL AND RANCH, LTD.	Oil	54490
42-329-42576	FASKEN OIL AND RANCH, LTD.
42-329-42577	FASKEN OIL AND RANCH, LTD.
42-329-42578	FASKEN OIL AND RANCH, LTD.
42-329-42579	FASKEN OIL AND RANCH, LTD.
42-329-42580	FASKEN OIL AND RANCH, LTD.
42-329-42581	XTO ENERGY INC.	Oil	47553
42-329-42582	PIONEER NATURAL RES. USA, INC.	Oil	46106
42-329-42583	Hunt Oil Company	Oil	47967
42-329-42584	Hunt Oil Company	Oil	47967
42-329-42585	PERMIAN DEEP ROCK OIL CO., LLC
42-329-42586	XTO ENERGY INC.	Oil	51757
42-329-42587	XTO ENERGY INC.	Oil	51710
42-329-42588	XTO ENERGY INC.	Oil	51710
42-329-42589	XTO ENERGY INC.	Oil	51702
42-329-42590	ENDEAVOR ENERGY RESOURCES L.P.	Oil	51608
42-329-42591	CROWNQUEST OPERATING, LLC	Oil	51792
42-329-42592	ENDEAVOR ENERGY RESOURCES L.P.	Oil	51770
42-329-42593	ENDEAVOR ENERGY RESOURCES L.P.	Oil	51528
42-329-42594	PERMIAN DEEP ROCK OIL CO., LLC
42-329-42595	PERMIAN DEEP ROCK OIL CO., LLC
42-329-42596	CROWNQUEST OPERATING, LLC	Oil	51268
42-329-42597	ON POINT OILFIELD OPERATIONS LLC	Oil	52035
42-329-42598	XTO ENERGY INC.	Oil	51702
42-329-42599	XTO ENERGY INC.	Oil	51705
42-329-42600	XTO ENERGY INC.	Oil	51705
42-329-42601	FASKEN OIL AND RANCH, LTD.	Oil	51803
42-329-42602	FASKEN OIL AND RANCH, LTD.	Oil	51812
42-329-42603	ENDEAVOR ENERGY RESOURCES L.P.	Oil	51544
42-329-42604	CHEVRON U. S. A. INC.	Oil	43259
42-329-42605	CHEVRON U. S. A. INC.	Oil	43259
42-329-42606	CHEVRON U. S. A. INC.	Oil	43259
42-329-42607	CHEVRON U. S. A. INC.	Oil	43259
42-329-42608	CHEVRON U. S. A. INC.	Oil	43259
42-329-42609	CHEVRON U. S. A. INC.	Oil	43259
42-329-42610	CHEVRON U. S. A. INC.	Oil	43259
42-329-42611	CHEVRON U. S. A. INC.	Oil	43259
42-329-42612	CHEVRON U. S. A. INC.	Oil	43259
42-329-42613	CHEVRON U. S. A. INC.	Oil	43259
42-329-42614	CHEVRON U. S. A. INC.	Oil	43259
42-329-42615	CHEVRON U. S. A. INC.	Oil	43259
42-329-42616	DE3 OPERATING LLC
42-329-42617	DE3 OPERATING LLC
42-329-42618	DE3 OPERATING LLC
42-329-42619	DE3 OPERATING LLC
42-329-42620	COG OPERATING LLC
42-329-42621	PIONEER NATURAL RES. USA, INC.	Oil	51891
42-329-42622	COG OPERATING LLC	Oil	39583
42-329-42623	COG OPERATING LLC	Oil	39583
42-329-42624	ENDEAVOR ENERGY RESOURCES L.P.	Oil	51656
42-329-42625	ENDEAVOR ENERGY RESOURCES L.P.	Oil	51656
42-329-42626	ENDEAVOR ENERGY RESOURCES L.P.	Oil	51776
42-329-42627	PIONEER NATURAL RES. USA, INC.	Oil	52331
42-329-42628	PIONEER NATURAL RES. USA, INC.	Oil	52351
42-329-42629	PIONEER NATURAL RES. USA, INC.	Oil	52353
42-329-42630	PIONEER NATURAL RES. USA, INC.	Oil	51892
42-329-42631	PIONEER NATURAL RES. USA, INC.	Oil	51893
42-329-42632	PIONEER NATURAL RES. USA, INC.	Oil	51846
42-329-42633	PIONEER NATURAL RES. USA, INC.	Oil	51983
42-329-42634	PIONEER NATURAL RES. USA, INC.	Oil	51839
42-329-42635	ENDEAVOR ENERGY RESOURCES L.P.	Oil	51776
42-329-42636	CHEVRON U. S. A. INC.	Oil	43259
42-329-42637	CHEVRON U. S. A. INC.	Oil	43259
42-329-42638	CHEVRON U. S. A. INC.	Oil	43259
42-329-42639	CHEVRON U. S. A. INC.	Oil	43259
42-329-42640	CHEVRON U. S. A. INC.	Oil	43259
42-329-42641	ENDEAVOR ENERGY RESOURCES L.P.	Oil	51697
42-329-42642	ENDEAVOR ENERGY RESOURCES L.P.	Oil	51914
42-329-42643	COG OPERATING LLC	Oil	52045
42-329-42644	PIONEER NATURAL RES. USA, INC.
42-329-42645	PIONEER NATURAL RES. USA, INC.
42-329-42646	PIONEER NATURAL RES. USA, INC.
42-329-42648	XTO ENERGY INC.	Oil	51352
42-329-42649	COG OPERATING LLC	Oil	49132
42-329-42650	CROWNQUEST OPERATING, LLC	Oil	52756
42-329-42651	CROWNQUEST OPERATING, LLC	Oil	52756
42-329-42652	COG OPERATING LLC	Oil	49132
42-329-42653	COG OPERATING LLC	Oil	49132
42-329-42654	COG OPERATING LLC	Oil	49132
42-329-42655	COG OPERATING LLC	Oil	51961
42-329-42656	PERMIAN DEEP ROCK OIL CO., LLC
42-329-42657	PERMIAN DEEP ROCK OIL CO., LLC
42-329-42658	PERMIAN DEEP ROCK OIL CO., LLC
42-329-42659	PERMIAN DEEP ROCK OIL CO., LLC
42-329-42660	PERMIAN DEEP ROCK OIL CO., LLC
42-329-42661	PERMIAN DEEP ROCK OIL CO., LLC
42-329-42662	PERMIAN DEEP ROCK OIL CO., LLC
42-329-42663	PERMIAN DEEP ROCK OIL CO., LLC
42-329-42664	PERMIAN DEEP ROCK OIL CO., LLC
42-329-42665	PERMIAN DEEP ROCK OIL CO., LLC
42-329-42666	COG OPERATING LLC	Oil	52069
42-329-42667	COG OPERATING LLC	Oil	49132
42-329-42668	CROWNQUEST OPERATING, LLC	Oil	52532
42-329-42669	CROWNQUEST OPERATING, LLC	Oil	52332
42-329-42670	CROWNQUEST OPERATING, LLC	Oil	52244
42-329-42671	COG OPERATING LLC	Oil	49132
42-329-42672	COG OPERATING LLC
42-329-42673	COG OPERATING LLC
42-329-42674	COG OPERATING LLC
42-329-42675	COG OPERATING LLC
42-329-42676	COG OPERATING LLC
42-329-42677	COG OPERATING LLC
42-329-42678	DIAMONDBACK E&P LLC	Oil	53449
42-329-42679	PIONEER NATURAL RES. USA, INC.	Oil	49324
42-329-42680	PIONEER NATURAL RES. USA, INC.	Oil	49324
42-329-42681	PIONEER NATURAL RES. USA, INC.	Oil	49324
42-329-42682	CROWNQUEST OPERATING, LLC	Oil	52754
42-329-42683	CROWNQUEST OPERATING, LLC	Oil	52823
42-329-42684	PIONEER NATURAL RES. USA, INC.	Oil	49324
42-329-42685	PIONEER NATURAL RES. USA, INC.	Oil	49324
42-329-42686	PIONEER NATURAL RES. USA, INC.	Oil	49324
42-329-42687	ENDEAVOR ENERGY RESOURCES L.P.	Oil	51697
42-329-42688	ENDEAVOR ENERGY RESOURCES L.P.	Oil	51698
42-329-42690	CROWNQUEST OPERATING, LLC
42-329-42691	ENDEAVOR ENERGY RESOURCES L.P.	Oil	51698
42-329-42692	ENDEAVOR ENERGY RESOURCES L.P.	Oil	51745
42-329-42693	CROWNQUEST OPERATING, LLC
42-329-42694	CROWNQUEST OPERATING, LLC
42-329-42695	PIONEER NATURAL RES. USA, INC.
42-329-42696	PIONEER NATURAL RES. USA, INC.
42-329-42697	PIONEER NATURAL RES. USA, INC.	Oil	54176
42-329-42698	PIONEER NATURAL RES. USA, INC.
42-329-42699	PIONEER NATURAL RES. USA, INC.	Oil	54077
42-329-42700	PIONEER NATURAL RES. USA, INC.	Oil	54173
42-329-42701	INDEPENDENCE RESOURCES MGMT, LLC	Oil	40265
42-329-42702	INDEPENDENCE RESOURCES MGMT, LLC	Oil	40265
42-329-42703	INDEPENDENCE RESOURCES MGMT, LLC	Oil	40265
42-329-42704	INDEPENDENCE RESOURCES MGMT, LLC	Oil	40265
42-329-42705	INDEPENDENCE RESOURCES MGMT, LLC	Oil	40265
42-329-42706	INDEPENDENCE RESOURCES MGMT, LLC	Oil	40265
42-329-42707	Lario Oil & Gas Company	Oil	52171
42-329-42708	MID-STATES OPERATING COMPANY
42-329-42709	HENRY RESOURCES LLC
42-329-42710	HENRY RESOURCES LLC
42-329-42711	HENRY RESOURCES LLC
42-329-42712	HENRY RESOURCES LLC
42-329-42713	XTO ENERGY INC.	Oil	39040
42-329-42714	XTO ENERGY INC.	Oil	39040
42-329-42715	PARSLEY ENERGY OPERATIONS, LLC	Oil	53503
42-329-42716	XTO ENERGY INC.	Oil	50999
42-329-42717	XTO ENERGY INC.	Oil	50999
42-329-42718	XTO ENERGY INC.	Oil	50999
42-329-42719	XTO ENERGY INC.	Oil	50999
42-329-42720	XTO ENERGY INC.	Oil	50999
42-329-42721	XTO ENERGY INC.	Oil	50999
42-329-42722	HENRY RESOURCES LLC
42-329-42723	HENRY RESOURCES LLC
42-329-42724	XTO ENERGY INC.	Oil	50999
42-329-42725	XTO ENERGY INC.	Oil	50999
42-329-42726	XTO ENERGY INC.	Oil	50999
42-329-42727	XTO ENERGY INC.	Oil	50999
42-329-42728	PIONEER NATURAL RES. USA, INC.	Oil	52279
42-329-42729	PIONEER NATURAL RES. USA, INC.	Oil	52280
42-329-42730	PIONEER NATURAL RES. USA, INC.	Oil	52281
42-329-42731	DISCOVERY OPERATING, INC.	Oil	36561
42-329-42732	DISCOVERY OPERATING, INC.	Oil	36561
42-329-42733	PIONEER NATURAL RES. USA, INC.	Oil	52388
42-329-42734	XTO ENERGY INC.	Oil	50999
42-329-42735	PIONEER NATURAL RES. USA, INC.	Oil	52441
42-329-42736	PIONEER NATURAL RES. USA, INC.	Oil	52827
42-329-42737	PIONEER NATURAL RES. USA, INC.	Oil	52464
42-329-42738	PIONEER NATURAL RES. USA, INC.	Oil	52459
42-329-42739	PIONEER NATURAL RES. USA, INC.	Oil	52465
42-329-42740	CROWNQUEST OPERATING, LLC	Oil	54291
42-329-42741	MID-STATES OPERATING COMPANY	Oil	50700
42-329-42742	PIONEER NATURAL RES. USA, INC.	Oil	52266
42-329-42743	PIONEER NATURAL RES. USA, INC.	Oil	52251
42-329-42744	PIONEER NATURAL RES. USA, INC.	Oil	52561
42-329-42745	SUMMIT PETROLEUM LLC	Oil	37392
42-329-42746	SUMMIT PETROLEUM LLC	Oil	37392
42-329-42747	SOJOURNER DRILLING CORPORATION	Oil	51208
42-329-42748	PIONEER NATURAL RES. USA, INC.	Oil	47241
42-329-42749	PIONEER NATURAL RES. USA, INC.	Oil	47241
42-329-42750	XTO ENERGY INC.	Oil	39040
42-329-42751	CROWNQUEST OPERATING, LLC	Oil	52756
42-329-42752	DIAMONDBACK E&P LLC	Oil	51188
42-329-42753	HENRY RESOURCES LLC	Oil	52440
42-329-42754	HENRY RESOURCES LLC	Oil	52440
42-329-42755	XTO ENERGY INC.	Oil	51780
42-329-42756	XTO ENERGY INC.	Oil	51780
42-329-42757	DISCOVERY OPERATING, INC.	Oil	51565
42-329-42758	CROWNQUEST OPERATING, LLC	Oil	52757
42-329-42759	CROWNQUEST OPERATING, LLC	Oil	52823
42-329-42760	HENRY RESOURCES LLC	Oil	53929
42-329-42761	CROWNQUEST OPERATING, LLC	Oil	52754
42-329-42762	CROWNQUEST OPERATING, LLC	Oil	52757
42-329-42763	HENRY RESOURCES LLC	Oil	53929
42-329-42764	HENRY RESOURCES LLC
42-329-42765	HENRY RESOURCES LLC	Oil	53708
42-329-42766	HENRY RESOURCES LLC	Oil	54496
42-329-42767	HENRY RESOURCES LLC	Oil	54497
42-329-42768	ENDEAVOR ENERGY RESOURCES L.P.	Oil	51730
42-329-42769	DIAMONDBACK E&P LLC	Oil	53706
42-329-42770	DIAMONDBACK E&P LLC	Oil	53581
42-329-42771	DIAMONDBACK E&P LLC	Oil	53705
42-329-42772	PIONEER NATURAL RES. USA, INC.
42-329-42773	DIAMONDBACK E&P LLC	Oil	51664
42-329-42774	DIAMONDBACK E&P LLC	Oil	51664
42-329-42775	DIAMONDBACK E&P LLC	Oil	51664
42-329-42776	DIAMONDBACK E&P LLC	Oil	51664
42-329-42777	DIAMONDBACK E&P LLC	Oil	51664
42-329-42778	CHEVRON U. S. A. INC.	Oil	48439
42-329-42779	Apache Corporation	Oil	52015
42-329-42780	Apache Corporation	Oil	52015
42-329-42781	Apache Corporation	Oil	52015
42-329-42782	Apache Corporation	Oil	52015
42-329-42783	Apache Corporation	Oil	52015
42-329-42784	DISCOVERY OPERATING, INC.	Oil	52614
42-329-42785	Apache Corporation	Oil	51908
42-329-42786	DISCOVERY OPERATING, INC.	Oil	52509
42-329-42787	DISCOVERY OPERATING, INC.	Oil	52534
42-329-42788	Apache Corporation	Oil	51908
42-329-42789	CHEVRON U. S. A. INC.	Oil	53439
42-329-42790	Apache Corporation	Oil	51921
42-329-42791	Apache Corporation	Oil	51921
42-329-42792	CHEVRON U. S. A. INC.	Oil	48427
42-329-42793	CHEVRON U. S. A. INC.	Oil
42-329-42794	CHEVRON U. S. A. INC.	Oil	48442
42-329-42795	CHEVRON U. S. A. INC.
42-329-42796	CROWNQUEST OPERATING, LLC	Oil	52094
42-329-42797	CROWNQUEST OPERATING, LLC	Oil	52823
42-329-42798	PIONEER NATURAL RES. USA, INC.	Oil	50305
42-329-42799	PIONEER NATURAL RES. USA, INC.	Oil	50305
42-329-42800	PIONEER NATURAL RES. USA, INC.	Oil	50305
42-329-42801	DIAMONDBACK E&P LLC
42-329-42802	DIAMONDBACK E&P LLC
42-329-42803	DIAMONDBACK E&P LLC
42-329-42804	DIAMONDBACK E&P LLC
42-329-42805	CROWNQUEST OPERATING, LLC	Oil	52755
42-329-42806	PIONEER NATURAL RES. USA, INC.
42-329-42807	XTO ENERGY INC.	Oil	52038
42-329-42808	XTO ENERGY INC.	Oil	52038
42-329-42809	PIONEER NATURAL RES. USA, INC.	Oil	21487
42-329-42810	PIONEER NATURAL RES. USA, INC.
42-329-42811	PIONEER NATURAL RES. USA, INC.	Oil	48935
42-329-42812	CROWNQUEST OPERATING, LLC
42-329-42816	OVERFLOW ENERGY, LLC
42-329-42817	DE3 OPERATING LLC
42-329-42818	DE3 OPERATING LLC
42-329-42819	OVINTIV USA INC.	Oil	51924
42-329-42820	OVINTIV USA INC.	Oil	51924
42-329-42821	OVINTIV USA INC.	Oil	51924
42-329-42822	OVINTIV USA INC.	Oil	51924
42-329-42823	OVINTIV USA INC.	Oil	51924
42-329-42824	OVINTIV USA INC.	Oil	51937
42-329-42825	OVINTIV USA INC.	Oil	51937
42-329-42826	OVINTIV USA INC.	Oil	51937
42-329-42827	OVINTIV USA INC.	Oil	51938
42-329-42828	OVINTIV USA INC.	Oil	51938
42-329-42829	OVINTIV USA INC.	Oil	51938
42-329-42830	OVINTIV USA INC.	Oil	51938
42-329-42831	PIONEER NATURAL RES. USA, INC.
42-329-42832	PIONEER NATURAL RES. USA, INC.
42-329-42833	PIONEER NATURAL RES. USA, INC.
42-329-42834	PIONEER NATURAL RES. USA, INC.
42-329-42835	PIONEER NATURAL RES. USA, INC.
42-329-42836	PIONEER NATURAL RES. USA, INC.	Oil
42-329-42837	PIONEER NATURAL RES. USA, INC.
42-329-42838	PIONEER NATURAL RES. USA, INC.
42-329-42839	PIONEER NATURAL RES. USA, INC.
42-329-42840	PIONEER NATURAL RES. USA, INC.
42-329-42841	COG OPERATING LLC	Oil	53436
42-329-42842	COG OPERATING LLC	Oil	53668
42-329-42843	CHEVRON U. S. A. INC.	Oil	48851
42-329-42844	CHEVRON U. S. A. INC.	Oil	53000
42-329-42845	CHEVRON U. S. A. INC.	Oil	48789
42-329-42846	CALLON PETROLEUM OPERATING CO	Oil	38873
42-329-42847	CALLON PETROLEUM OPERATING CO	Oil	38873
42-329-42848	CALLON PETROLEUM OPERATING CO	Oil	38873
42-329-42849	COG OPERATING LLC	Oil	53661
42-329-42850	COG OPERATING LLC	Oil	53538
42-329-42851	COG OPERATING LLC	Oil	53617
42-329-42852	CHEVRON U. S. A. INC.	Oil	53289
42-329-42853	CHEVRON U. S. A. INC.	Oil	53289
42-329-42854	CHEVRON U. S. A. INC.	Oil	48775
42-329-42855	PIONEER NATURAL RES. USA, INC.	Oil	52546
42-329-42856	PIONEER NATURAL RES. USA, INC.	Oil	52881
42-329-42857	PIONEER NATURAL RES. USA, INC.	Oil	52864
42-329-42858	PIONEER NATURAL RES. USA, INC.	Oil	53194
42-329-42859	PIONEER NATURAL RES. USA, INC.	Oil	53195
42-329-42860	PIONEER NATURAL RES. USA, INC.	Oil	53018
42-329-42861	ENDEAVOR ENERGY RESOURCES L.P.	Oil	52434
42-329-42862	ENDEAVOR ENERGY RESOURCES L.P.	Oil	52434
42-329-42863	ENDEAVOR ENERGY RESOURCES L.P.	Oil	52434
42-329-42864	ENDEAVOR ENERGY RESOURCES L.P.	Oil	52434
42-329-42865	ENDEAVOR ENERGY RESOURCES L.P.	Oil	52434
42-329-42866	ENDEAVOR ENERGY RESOURCES L.P.	Oil	52434
42-329-42867	ENDEAVOR ENERGY RESOURCES L.P.	Oil	52434
42-329-42868	ENDEAVOR ENERGY RESOURCES L.P.	Oil	52434
42-329-42869	COG OPERATING LLC	Oil	52666
42-329-42870	COG OPERATING LLC	Oil	53672
42-329-42871	PERMIAN DEEP ROCK OIL CO., LLC
42-329-42872	PERMIAN DEEP ROCK OIL CO., LLC
42-329-42873	PERMIAN DEEP ROCK OIL CO., LLC
42-329-42874	SOLARIS WATER MIDSTREAM, LLC
42-329-42875	PERMIAN DEEP ROCK OIL CO., LLC
42-329-42876	PERMIAN DEEP ROCK OIL CO., LLC
42-329-42877	PERMIAN DEEP ROCK OIL CO., LLC
42-329-42878	PERMIAN DEEP ROCK OIL CO., LLC
42-329-42879	PERMIAN DEEP ROCK OIL CO., LLC
42-329-42880	PERMIAN DEEP ROCK OIL CO., LLC
42-329-42881	PERMIAN DEEP ROCK OIL CO., LLC
42-329-42882	PERMIAN DEEP ROCK OIL CO., LLC
42-329-42883	XTO ENERGY INC.	Oil	50580
42-329-42884	XTO ENERGY INC.	Oil	50580
42-329-42885	XTO ENERGY INC.	Oil	50580
42-329-42886	XTO ENERGY INC.	Oil	50580
42-329-42887	XTO ENERGY INC.	Oil	50580
42-329-42888	XTO ENERGY INC.	Oil	50580
42-329-42889	XTO ENERGY INC.	Oil	50580
42-329-42890	XTO ENERGY INC.	Oil	50580
42-329-42891	XTO ENERGY INC.	Oil	50580
42-329-42892	DIAMONDBACK E&P LLC
42-329-42893	DIAMONDBACK E&P LLC
42-329-42894	XTO ENERGY INC.	Oil	51609
42-329-42895	XTO ENERGY INC.	Oil	51651
42-329-42896	XTO ENERGY INC.	Oil	51651
42-329-42897	ENDEAVOR ENERGY RESOURCES L.P.	Oil	51745
42-329-42901	PIONEER NATURAL RES. USA, INC.	Oil	53259
42-329-42904	Apache Corporation	Oil	52097
42-329-42905	Apache Corporation	Oil	52097
42-329-42906	Apache Corporation	Oil	52097
42-329-42907	MURCHISON OIL AND GAS, LLC	Oil	50903
42-329-42908	MURCHISON OIL AND GAS, LLC	Oil	50903
42-329-42909	DIAMONDBACK E&P LLC	Oil	53654
42-329-42910	DIAMONDBACK E&P LLC	Oil	53912
42-329-42911	PARSLEY ENERGY OPERATIONS, LLC
42-329-42912	PARSLEY ENERGY OPERATIONS, LLC
42-329-42913	INDEPENDENCE RESOURCES MGMT, LLC	Oil	49960
42-329-42914	INDEPENDENCE RESOURCES MGMT, LLC	Oil	49960
42-329-42915	Apache Corporation	Oil	52455
42-329-42916	Apache Corporation	Oil	52455
42-329-42917	Apache Corporation	Oil	52455
42-329-42918	Apache Corporation	Oil	52229
42-329-42919	Apache Corporation	Oil	52229
42-329-42920	Apache Corporation	Oil	52229
42-329-42921	Apache Corporation	Oil	52125
42-329-42922	Apache Corporation	Oil	52125
42-329-42923	INDEPENDENCE RESOURCES MGMT, LLC	Oil	49960
42-329-42924	INDEPENDENCE RESOURCES MGMT, LLC	Oil	49960
42-329-42925	ENDEAVOR ENERGY RESOURCES L.P.	Oil	52091
42-329-42926	ENDEAVOR ENERGY RESOURCES L.P.	Oil	52091
42-329-42927	COG OPERATING LLC	Oil	53008
42-329-42928	COG OPERATING LLC	Oil	53450
42-329-42929	XTO ENERGY INC.	Oil	51246
42-329-42930	XTO ENERGY INC.	Oil	51246
42-329-42931	COG OPERATING LLC	Oil	52733
42-329-42932	HOLLY ENERGY PARTNERS-OP, L.P.
42-329-42933	PIONEER NATURAL RES. USA, INC.	Oil	53146
42-329-42934	PIONEER NATURAL RES. USA, INC.	Oil	53048
42-329-42935	PIONEER NATURAL RES. USA, INC.	Oil	53019
42-329-42936	PIONEER NATURAL RES. USA, INC.	Oil	52267
42-329-42937	PIONEER NATURAL RES. USA, INC.	Oil	52268
42-329-42938	PIONEER NATURAL RES. USA, INC.	Oil	52326
42-329-42939	COG OPERATING LLC
42-329-42940	DE3 OPERATING LLC	Oil	22877
42-329-42941	PIONEER NATURAL RES. USA, INC.
42-329-42942	PERMIAN DEEP ROCK OIL CO., LLC
42-329-42943	XTO ENERGY INC.	Oil	52342
42-329-42944	HENRY RESOURCES LLC
42-329-42945	CROWNQUEST OPERATING, LLC	Oil	51771
42-329-42946	XTO ENERGY INC.	Oil	52485
42-329-42947	DIAMONDBACK E&P LLC	Oil	51664
42-329-42948	DIAMONDBACK E&P LLC	Oil	51664
42-329-42949	DIAMONDBACK E&P LLC	Oil	51664
42-329-42950	ENDEAVOR ENERGY RESOURCES L.P.	Oil	52091
42-329-42951	ENDEAVOR ENERGY RESOURCES L.P.	Oil	52143
42-329-42952	XTO ENERGY INC.	Oil	48197
42-329-42953	XTO ENERGY INC.	Oil	48197
42-329-42954	XTO ENERGY INC.	Oil	48197
42-329-42955	XTO ENERGY INC.	Oil	48197
42-329-42956	PIONEER NATURAL RES. USA, INC.
42-329-42957	XTO ENERGY INC.	Oil	48197
42-329-42958	XTO ENERGY INC.	Oil	48197
42-329-42959	XTO ENERGY INC.	Oil	48197
42-329-42960	DISCOVERY OPERATING, INC.
42-329-42961	XTO ENERGY INC.	Oil	52901
42-329-42962	SUMMIT PETROLEUM LLC	Oil	37392
42-329-42963	XTO ENERGY INC.	Oil	53367
42-329-42964	XTO ENERGY INC.	Oil	52901
42-329-42965	XTO ENERGY INC.	Oil	52901
42-329-42966	XTO ENERGY INC.	Oil	52901
42-329-42967	XTO ENERGY INC.	Oil	52901
42-329-42968	XTO ENERGY INC.	Oil	52901
42-329-42969	XTO ENERGY INC.	Oil	52901
42-329-42970	XTO ENERGY INC.	Oil	52901
42-329-42971	XTO ENERGY INC.
42-329-42972	XTO ENERGY INC.
42-329-42973	R.D.S. RANCH-WATER SVS, INC.	Oil	51311
42-329-42974	CHEVRON U. S. A. INC.
42-329-42975	CHEVRON U. S. A. INC.
42-329-42976	CHEVRON U. S. A. INC.
42-329-42977	CHEVRON U. S. A. INC.
42-329-42978	CHEVRON U. S. A. INC.
42-329-42979	CHEVRON U. S. A. INC.
42-329-42980	CHEVRON U. S. A. INC.
42-329-42981	EARTHSTONE OPERATING, LLC	Oil	51939
42-329-42982	EARTHSTONE OPERATING, LLC	Oil	51939
42-329-42983	EARTHSTONE OPERATING, LLC	Oil	52457
42-329-42984	EARTHSTONE OPERATING, LLC	Oil	52457
42-329-42985	EARTHSTONE OPERATING, LLC	Oil	52457
42-329-42986	DE3 OPERATING LLC
42-329-42987	DE3 OPERATING LLC
42-329-42988	PIONEER NATURAL RES. USA, INC.	Oil	53147
42-329-42989	PIONEER NATURAL RES. USA, INC.	Oil	53170
42-329-42990	PIONEER NATURAL RES. USA, INC.	Oil	53198
42-329-42991	PIONEER NATURAL RES. USA, INC.	Oil	53255
42-329-42992	PIONEER NATURAL RES. USA, INC.	Oil	53256
42-329-42993	PIONEER NATURAL RES. USA, INC.	Oil	53142
42-329-42994	PIONEER NATURAL RES. USA, INC.	Oil	53143
42-329-42995	PIONEER NATURAL RES. USA, INC.	Oil	53134
42-329-42996	PIONEER NATURAL RES. USA, INC.	Oil	52898
42-329-42997	PIONEER NATURAL RES. USA, INC.	Oil	53193
42-329-42998	PIONEER NATURAL RES. USA, INC.	Oil	53141
42-329-42999	MID-STATES OPERATING COMPANY	Oil	52142
42-329-43000	SUMMIT PETROLEUM LLC	Oil	37726
42-329-43001	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-43002	CROWNQUEST OPERATING, LLC	Oil	52743
42-329-43003	XTO ENERGY INC.	Oil	52210
42-329-43004	XTO ENERGY INC.	Oil	52210
42-329-43005	SUMMIT PETROLEUM LLC	Oil	37726
42-329-43006	PIONEER NATURAL RES. USA, INC.
42-329-43007	PIONEER NATURAL RES. USA, INC.
42-329-43008	SUMMIT PETROLEUM LLC	Oil	37726
42-329-43009	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-43010	Apache Corporation	Oil	52177
42-329-43011	Apache Corporation	Oil	52177
42-329-43013	PERMIAN DEEP ROCK OIL CO., LLC	Oil	51022
42-329-43014	PIONEER NATURAL RES. USA, INC.
42-329-43015	PIONEER NATURAL RES. USA, INC.
42-329-43016	PIONEER NATURAL RES. USA, INC.
42-329-43017	SUMMIT PETROLEUM LLC	Oil	37726
42-329-43018	XTO ENERGY INC.	Oil	52453
42-329-43019	XTO ENERGY INC.	Oil	52453
42-329-43020	XTO ENERGY INC.	Oil	52210
42-329-43021	XTO ENERGY INC.
42-329-43022	XTO ENERGY INC.
42-329-43023	XTO ENERGY INC.
42-329-43024	XTO ENERGY INC.
42-329-43025	XTO ENERGY INC.
42-329-43026	XTO ENERGY INC.
42-329-43027	XTO ENERGY INC.
42-329-43028	XTO ENERGY INC.
42-329-43029	XTO ENERGY INC.
42-329-43030	HENRY RESOURCES LLC
42-329-43031	HENRY RESOURCES LLC
42-329-43032	XTO ENERGY INC.
42-329-43033	XTO ENERGY INC.
42-329-43034	XTO ENERGY INC.
42-329-43035	OVINTIV USA INC.	Oil	46777
42-329-43036	OVINTIV USA INC.	Oil	46777
42-329-43037	OVINTIV USA INC.	Oil	46777
42-329-43038	OVINTIV USA INC.	Oil	53274
42-329-43039	OVINTIV USA INC.	Oil	53274
42-329-43040	OVINTIV USA INC.	Oil	53274
42-329-43041	OVINTIV USA INC.	Oil	53274
42-329-43042	OVINTIV USA INC.	Oil	53274
42-329-43043	OVINTIV USA INC.	Oil	53274
42-329-43044	XTO ENERGY INC.
42-329-43045	XTO ENERGY INC.
42-329-43046	XTO ENERGY INC.
42-329-43047	XTO ENERGY INC.
42-329-43048	XTO ENERGY INC.
42-329-43049	XTO ENERGY INC.
42-329-43050	SUMMIT PETROLEUM LLC	Oil	37726
42-329-43051	SUMMIT PETROLEUM LLC	Oil	37726
42-329-43052	PROBITY SWD, LLC
42-329-43053	CROWNQUEST OPERATING, LLC	Oil	52026
42-329-43054	CROWNQUEST OPERATING, LLC	Oil	52026
42-329-43055	XTO ENERGY INC.	Oil	52210
42-329-43056	XTO ENERGY INC.	Oil	52210
42-329-43057	XTO ENERGY INC.	Oil	52210
42-329-43058	PIONEER NATURAL RES. USA, INC.	Oil	52811
42-329-43059	XTO ENERGY INC.	Oil	52210
42-329-43060	PIONEER NATURAL RES. USA, INC.	Oil	53083
42-329-43061	PIONEER NATURAL RES. USA, INC.	Oil	52947
42-329-43062	XTO ENERGY INC.	Oil	52210
42-329-43063	PIONEER NATURAL RES. USA, INC.	Oil	52778
42-329-43064	PIONEER NATURAL RES. USA, INC.	Oil	52830
42-329-43065	XTO ENERGY INC.	Oil	52210
42-329-43066	PIONEER NATURAL RES. USA, INC.	Oil	52795
42-329-43067	PIONEER NATURAL RES. USA, INC.	Oil	52572
42-329-43068	XTO ENERGY INC.	Oil	52210
42-329-43069	PIONEER NATURAL RES. USA, INC.	Oil	52636
42-329-43070	PIONEER NATURAL RES. USA, INC.	Oil	52777
42-329-43071	PIONEER NATURAL RES. USA, INC.	Oil	52829
42-329-43072	PIONEER NATURAL RES. USA, INC.	Oil	52802
42-329-43073	APV MCCAMEY LLC	Oil	53021
42-329-43074	XTO ENERGY INC.	Oil	52210
42-329-43075	XTO ENERGY INC.	Oil	52210
42-329-43076	XTO ENERGY INC.	Oil	51837
42-329-43077	XTO ENERGY INC.	Oil	51898
42-329-43078	XTO ENERGY INC.
42-329-43079	PROBITY SWD, LLC
42-329-43080	XTO ENERGY INC.	Oil	52453
42-329-43081	OVINTIV USA INC.	Oil	52547
42-329-43082	OVINTIV USA INC.	Oil	52547
42-329-43083	OVINTIV USA INC.	Oil	52547
42-329-43084	OVINTIV USA INC.	Oil	52550
42-329-43085	OVINTIV USA INC.	Oil	52550
42-329-43086	OVINTIV USA INC.	Oil	52550
42-329-43087	OVINTIV USA INC.	Oil	52653
42-329-43088	OVINTIV USA INC.	Oil	52653
42-329-43089	OVINTIV USA INC.	Oil	52552
42-329-43090	OVINTIV USA INC.	Oil	52552
42-329-43091	OVINTIV USA INC.	Oil	52552
42-329-43092	OVINTIV USA INC.	Oil	52650
42-329-43093	OVINTIV USA INC.	Oil	52650
42-329-43094	OVINTIV USA INC.	Oil	52650
42-329-43095	OVINTIV USA INC.	Oil	52650
42-329-43096	OVINTIV USA INC.	Oil	49762
42-329-43097	CHEVRON U. S. A. INC.
42-329-43098	CHEVRON U. S. A. INC.
42-329-43099	CHEVRON U. S. A. INC.
42-329-43100	CHEVRON U. S. A. INC.
42-329-43101	CHEVRON U. S. A. INC.
42-329-43102	PARSLEY ENERGY OPERATIONS, LLC
42-329-43103	PARSLEY ENERGY OPERATIONS, LLC
42-329-43104	PIONEER NATURAL RES. USA, INC.
42-329-43105	PIONEER NATURAL RES. USA, INC.
42-329-43106	PIONEER NATURAL RES. USA, INC.	Oil	53221
42-329-43107	PIONEER NATURAL RES. USA, INC.	Oil	53221
42-329-43108	PIONEER NATURAL RES. USA, INC.	Oil	53221
42-329-43109	PIONEER NATURAL RES. USA, INC.	Oil	53215
42-329-43110	PIONEER NATURAL RES. USA, INC.	Oil	53215
42-329-43111	PIONEER NATURAL RES. USA, INC.	Oil	53215
42-329-43112	CHEVRON U. S. A. INC.	Oil	53300
42-329-43113	CHEVRON U. S. A. INC.
42-329-43114	CHEVRON U. S. A. INC.
42-329-43115	CHEVRON U. S. A. INC.
42-329-43116	CHEVRON U. S. A. INC.
42-329-43117	CHEVRON U. S. A. INC.
42-329-43118	CHEVRON U. S. A. INC.
42-329-43119	ENDEAVOR ENERGY RESOURCES L.P.	Oil	52933
42-329-43120	PARSLEY ENERGY OPERATIONS, LLC
42-329-43121	ENDEAVOR ENERGY RESOURCES L.P.
42-329-43122	PIONEER NATURAL RES. USA, INC.	Oil	53363
42-329-43123	PIONEER NATURAL RES. USA, INC.	Oil	53618
42-329-43124	PIONEER NATURAL RES. USA, INC.	Oil	53488
42-329-43125	Lario Oil & Gas Company	Oil	53811
42-329-43126	Lario Oil & Gas Company	Oil	54065
42-329-43127	ENDEAVOR ENERGY RESOURCES L.P.	Oil	52906
42-329-43128	ENDEAVOR ENERGY RESOURCES L.P.	Oil	53591
42-329-43129	DIAMONDBACK E&P LLC	Oil	53287
42-329-43130	ENDEAVOR ENERGY RESOURCES L.P.	Oil	53590
42-329-43131	ENDEAVOR ENERGY RESOURCES L.P.	Oil	53888
42-329-43132	ENDEAVOR ENERGY RESOURCES L.P.	Oil	52932
42-329-43133	ENDEAVOR ENERGY RESOURCES L.P.	Oil	52905
42-329-43134	SUMMIT PETROLEUM LLC	Oil	54145
42-329-43135	PARSLEY ENERGY OPERATIONS, LLC	Oil	52696
42-329-43136	PARSLEY ENERGY OPERATIONS, LLC	Oil	52696
42-329-43137	PIONEER NATURAL RES. USA, INC.	Oil	53315
42-329-43138	PIONEER NATURAL RES. USA, INC.	Oil	53245
42-329-43139	PIONEER NATURAL RES. USA, INC.	Oil	53531
42-329-43140	PIONEER NATURAL RES. USA, INC.	Oil	53316
42-329-43141	PIONEER NATURAL RES. USA, INC.	Oil	53559
42-329-43142	PIONEER NATURAL RES. USA, INC.	Oil	53472
42-329-43143	XTO ENERGY INC.	Oil	52402
42-329-43144	XTO ENERGY INC.	Oil	50407
42-329-43145	SUMMIT PETROLEUM LLC
42-329-43146	SUMMIT PETROLEUM LLC	Oil	53997
42-329-43147	SUMMIT PETROLEUM LLC	Oil	53765
42-329-43148	ENDEAVOR ENERGY RESOURCES L.P.
42-329-43149	Apache Corporation	Oil	52443
42-329-43150	Apache Corporation	Oil	52443
42-329-43151	Apache Corporation	Oil	52470
42-329-43152	Apache Corporation	Oil	52470
42-329-43153	Apache Corporation	Oil	52470
42-329-43154	XTO ENERGY INC.	Oil	50407
42-329-43155	XTO ENERGY INC.	Oil	50407
42-329-43156	XTO ENERGY INC.	Oil	50407
42-329-43157	XTO ENERGY INC.	Oil	50407
42-329-43158	XTO ENERGY INC.	Oil	50407
42-329-43159	XTO ENERGY INC.	Oil	50407
42-329-43160	XTO ENERGY INC.	Oil	50407
42-329-43161	PIONEER NATURAL RES. USA, INC.	Oil	53245
42-329-43162	PIONEER NATURAL RES. USA, INC.	Oil	53316
42-329-43163	PIONEER NATURAL RES. USA, INC.	Oil	53472
42-329-43164	MID-STATES OPERATING COMPANY	Oil	52222
42-329-43165	XTO ENERGY INC.	Oil	49350
42-329-43166	XTO ENERGY INC.	Oil	49350
42-329-43167	XTO ENERGY INC.	Oil	49350
42-329-43168	XTO ENERGY INC.	Oil	49350
42-329-43169	PIONEER NATURAL RES. USA, INC.	Oil	53886
42-329-43170	PIONEER NATURAL RES. USA, INC.	Oil	53515
42-329-43171	PIONEER NATURAL RES. USA, INC.	Oil	53509
42-329-43172	PIONEER NATURAL RES. USA, INC.	Oil	53443
42-329-43173	PIONEER NATURAL RES. USA, INC.	Oil	53444
42-329-43174	PIONEER NATURAL RES. USA, INC.	Oil	53554
42-329-43175	XTO ENERGY INC.	Oil	53041
42-329-43176	XTO ENERGY INC.	Oil	53041
42-329-43177	XTO ENERGY INC.	Oil	53041
42-329-43178	COG OPERATING LLC	Oil	51177
42-329-43179	COG OPERATING LLC	Oil	51177
42-329-43180	COG OPERATING LLC	Oil	51177
42-329-43181	COG OPERATING LLC	Oil	51177
42-329-43182	COG OPERATING LLC	Oil	51177
42-329-43183	XTO ENERGY INC.	Oil	53041
42-329-43184	FASKEN OIL AND RANCH, LTD.
42-329-43185	XTO ENERGY INC.	Oil	53041
42-329-43186	XTO ENERGY INC.	Oil	53041
42-329-43187	XTO ENERGY INC.	Oil	53041
42-329-43188	XTO ENERGY INC.	Oil	53041
42-329-43189	XTO ENERGY INC.	Oil	53041
42-329-43190	XTO ENERGY INC.	Oil	53041
42-329-43191	FASKEN OIL AND RANCH, LTD.
42-329-43192	XTO ENERGY INC.	Oil	53041
42-329-43193	RUGER PROPERTIES, LLC
42-329-43194	XTO ENERGY INC.	Oil	53041
42-329-43195	XTO ENERGY INC.	Oil	52580
42-329-43196	XTO ENERGY INC.	Oil	52580
42-329-43197	XTO ENERGY INC.	Oil	52580
42-329-43198	XTO ENERGY INC.
42-329-43199	XTO ENERGY INC.
42-329-43200	CROWNQUEST OPERATING, LLC	Oil	54291
42-329-43201	CROWNQUEST OPERATING, LLC
42-329-43202	ENDEAVOR ENERGY RESOURCES L.P.	Oil	53631
42-329-43203	XTO ENERGY INC.	Oil	39040
42-329-43204	XTO ENERGY INC.	Oil	39040
42-329-43205	SUMMIT PETROLEUM LLC	Oil	37726
42-329-43206	SUMMIT PETROLEUM LLC	Oil	37726
42-329-43207	SUMMIT PETROLEUM LLC	Oil	37726
42-329-43208	SUMMIT PETROLEUM LLC	Oil	37726
42-329-43209	SUMMIT PETROLEUM LLC	Oil	37726
42-329-43210	SUMMIT PETROLEUM LLC	Oil	37726
42-329-43211	ENDEAVOR ENERGY RESOURCES L.P.	Oil	53631
42-329-43212	ENDEAVOR ENERGY RESOURCES L.P.	Oil	53652
42-329-43213	ENDEAVOR ENERGY RESOURCES L.P.	Oil	53652
42-329-43214	ENDEAVOR ENERGY RESOURCES L.P.
42-329-43215	ENDEAVOR ENERGY RESOURCES L.P.
42-329-43216	ENDEAVOR ENERGY RESOURCES L.P.	Oil	53652
42-329-43217	ENDEAVOR ENERGY RESOURCES L.P.	Oil	54250
42-329-43218	ENDEAVOR ENERGY RESOURCES L.P.	Oil	54203
42-329-43219	ENDEAVOR ENERGY RESOURCES L.P.
42-329-43220	ENDEAVOR ENERGY RESOURCES L.P.	Oil	54203
42-329-43221	ENDEAVOR ENERGY RESOURCES L.P.	Oil	54204
42-329-43222	ENDEAVOR ENERGY RESOURCES L.P.	Oil	54204
42-329-43223	XTO ENERGY INC.	Oil	39040
42-329-43224	ENDEAVOR ENERGY RESOURCES L.P.	Oil	49945
42-329-43225	ENDEAVOR ENERGY RESOURCES L.P.	Oil	49945
42-329-43226	ENDEAVOR ENERGY RESOURCES L.P.	Oil	49945
42-329-43227	ENDEAVOR ENERGY RESOURCES L.P.	Oil	52974
42-329-43228	DIAMONDBACK E&P LLC
42-329-43229	DISCOVERY OPERATING, INC.	Oil	53276
42-329-43230	DISCOVERY OPERATING, INC.	Oil	53507
42-329-43231	DISCOVERY OPERATING, INC.	Oil	53297
42-329-43232	DISCOVERY OPERATING, INC.	Oil	53277
42-329-43233	ENDEAVOR ENERGY RESOURCES L.P.	Oil	52974
42-329-43234	ENDEAVOR ENERGY RESOURCES L.P.	Oil	52974
42-329-43235	ENDEAVOR ENERGY RESOURCES L.P.	Oil	52974
42-329-43236	ENDEAVOR ENERGY RESOURCES L.P.	Oil	52974
42-329-43237	COG OPERATING LLC
42-329-43238	ENDEAVOR ENERGY RESOURCES L.P.	Oil	52974
42-329-43239	COG OPERATING LLC
42-329-43240	COG OPERATING LLC	Oil	53834
42-329-43241	CROWNQUEST OPERATING, LLC	Oil	53854
42-329-43242	CROWNQUEST OPERATING, LLC
42-329-43243	OWL EXPLORATION, L.L.C.-SER OPER
42-329-43244	CROWNQUEST OPERATING, LLC	Oil	52930
42-329-43245	PARK HILL DISPOSAL LLC
42-329-43246	PARK HILL DISPOSAL LLC	Oil	52936
42-329-43247	COG OPERATING LLC	Oil	51948
42-329-43248	COG OPERATING LLC	Oil	51948
42-329-43249	COG OPERATING LLC	Oil	51948
42-329-43250	PIONEER NATURAL RES. USA, INC.
42-329-43251	PIONEER NATURAL RES. USA, INC.
42-329-43252	PIONEER NATURAL RES. USA, INC.
42-329-43253	PIONEER NATURAL RES. USA, INC.
42-329-43254	DE3 OPERATING LLC
42-329-43255	DIAMONDBACK E&P LLC
42-329-43256	DIAMONDBACK E&P LLC
42-329-43257	DIAMONDBACK E&P LLC
42-329-43258	DIAMONDBACK E&P LLC
42-329-43259	DIAMONDBACK E&P LLC
42-329-43260	DIAMONDBACK E&P LLC
42-329-43261	DIAMONDBACK E&P LLC
42-329-43262	DE3 OPERATING LLC	Oil	53078
42-329-43263	DE3 OPERATING LLC	Oil	53077
42-329-43264	COG OPERATING LLC	Oil	53879
42-329-43265	PERMIAN DEEP ROCK OIL CO., LLC	Oil	51022
42-329-43266	PERMIAN DEEP ROCK OIL CO., LLC	Oil	51022
42-329-43267	DE3 OPERATING LLC
42-329-43268	INDEPENDENCE RESOURCES MGMT, LLC	Oil	40265
42-329-43269	INDEPENDENCE RESOURCES MGMT, LLC	Oil	40265
42-329-43270	INDEPENDENCE RESOURCES MGMT, LLC	Oil	40265
42-329-43271	INDEPENDENCE RESOURCES MGMT, LLC	Oil	40265
42-329-43272	INDEPENDENCE RESOURCES MGMT, LLC	Oil	40265
42-329-43273	INDEPENDENCE RESOURCES MGMT, LLC	Oil	40265
42-329-43274	PIONEER NATURAL RES. USA, INC.	Oil	53859
42-329-43275	PIONEER NATURAL RES. USA, INC.	Oil	54235
42-329-43276	PIONEER NATURAL RES. USA, INC.	Oil	54177
42-329-43277	PIONEER NATURAL RES. USA, INC.	Oil	53859
42-329-43278	PIONEER NATURAL RES. USA, INC.
42-329-43279	COG OPERATING LLC	Oil	53836
42-329-43280	XTO ENERGY INC.	Oil	39040
42-329-43281	COG OPERATING LLC	Oil	53875
42-329-43282	PARSLEY ENERGY OPERATIONS, LLC
42-329-43283	PARSLEY ENERGY OPERATIONS, LLC
42-329-43284	COG OPERATING LLC	Oil	54038
42-329-43285	COG OPERATING LLC	Oil	53950
42-329-43286	COG OPERATING LLC	Oil	54188
42-329-43287	COG OPERATING LLC	Oil	54198
42-329-43288	Lario Oil & Gas Company
42-329-43289	Apache Corporation	Oil	53173
42-329-43290	Apache Corporation	Oil	53242
42-329-43291	Apache Corporation	Oil	53273
42-329-43292	Apache Corporation	Oil	53270
42-329-43293	Apache Corporation	Oil	53235
42-329-43294	Apache Corporation	Oil	53361
42-329-43295	Apache Corporation	Oil	53271
42-329-43296	DE3 OPERATING LLC	Oil	53583
42-329-43297	DE3 OPERATING LLC	Oil	53583
42-329-43298	DE3 OPERATING LLC	Oil	53583
42-329-43299	DE3 OPERATING LLC	Oil	53583
42-329-43300	DE3 OPERATING LLC	Oil	53583
42-329-43301	DE3 OPERATING LLC	Oil	53584
42-329-43302	DE3 OPERATING LLC	Oil	53584
42-329-43303	DE3 OPERATING LLC	Oil	53584
42-329-43304	DE3 OPERATING LLC
42-329-43305	COG OPERATING LLC	Oil	54039
42-329-43306	COG OPERATING LLC	Oil	54257
42-329-43307	COG OPERATING LLC	Oil	54189
42-329-43308	PIONEER NATURAL RES. USA, INC.	Oil	54182
42-329-43309	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-43310	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-43311	PIONEER NATURAL RES. USA, INC.	Oil	51399
42-329-43312	PIONEER NATURAL RES. USA, INC.	Oil	51241
42-329-43313	PIONEER NATURAL RES. USA, INC.	Oil	51253
42-329-43314	DE3 OPERATING LLC
42-329-43315	DE3 OPERATING LLC
42-329-43316	DE3 OPERATING LLC
42-329-43317	DE3 OPERATING LLC
42-329-43318	XTO ENERGY INC.	Oil	53495
42-329-43319	XTO ENERGY INC.	Oil	53495
42-329-43320	XTO ENERGY INC.	Oil	53495
42-329-43321	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-43322	XTO ENERGY INC.	Oil	53399
42-329-43323	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-43324	PIONEER NATURAL RES. USA, INC.	Oil	54175
42-329-43325	COG OPERATING LLC
42-329-43326	PIONEER NATURAL RES. USA, INC.	Oil	53670
42-329-43327	XTO ENERGY INC.	Oil	53399
42-329-43328	XTO ENERGY INC.
42-329-43329	FASKEN OIL AND RANCH, LTD.
42-329-43330	FASKEN OIL AND RANCH, LTD.
42-329-43331	PERMIAN DEEP ROCK OIL CO., LLC	Oil	51022
42-329-43332	PERMIAN DEEP ROCK OIL CO., LLC	Oil	51022
42-329-43333	XTO ENERGY INC.	Oil	53399
42-329-43334	XTO ENERGY INC.	Oil	53502
42-329-43335	XTO ENERGY INC.	Oil	53502
42-329-43336	XTO ENERGY INC.	Oil	53502
42-329-43337	XTO ENERGY INC.	Oil	53457
42-329-43338	XTO ENERGY INC.	Oil	53457
42-329-43339	XTO ENERGY INC.	Oil	53536
42-329-43340	XTO ENERGY INC.	Oil	53536
42-329-43341	XTO ENERGY INC.	Oil	53536
42-329-43342	XTO ENERGY INC.	Oil	53381
42-329-43343	XTO ENERGY INC.	Oil	53457
42-329-43344	XTO ENERGY INC.	Oil	53381
42-329-43345	XTO ENERGY INC.	Oil	53381
42-329-43346	PIONEER NATURAL RES. USA, INC.	Oil	54146
42-329-43347	PIONEER NATURAL RES. USA, INC.	Oil	54181
42-329-43348	PIONEER NATURAL RES. USA, INC.	Oil	54149
42-329-43349	COG OPERATING LLC	Oil	39583
42-329-43350	COG OPERATING LLC	Oil	39583
42-329-43351	COG OPERATING LLC
42-329-43352	COG OPERATING LLC	Oil
42-329-43353	COG OPERATING LLC	Oil	39583
42-329-43354	COG OPERATING LLC	Oil	39583
42-329-43355	ENDEAVOR ENERGY RESOURCES L.P.
42-329-43356	ENDEAVOR ENERGY RESOURCES L.P.
42-329-43357	ENDEAVOR ENERGY RESOURCES L.P.	Oil	53839
42-329-43358	ENDEAVOR ENERGY RESOURCES L.P.	Oil	53838
42-329-43359	ENDEAVOR ENERGY RESOURCES L.P.
42-329-43360	ENDEAVOR ENERGY RESOURCES L.P.	Oil	53885
42-329-43361	ENDEAVOR ENERGY RESOURCES L.P.
42-329-43362	ENDEAVOR ENERGY RESOURCES L.P.	Oil	53840
42-329-43363	ENDEAVOR ENERGY RESOURCES L.P.
42-329-43364	ENDEAVOR ENERGY RESOURCES L.P.
42-329-43365	ENDEAVOR ENERGY RESOURCES L.P.	Oil	53842
42-329-43366	ENDEAVOR ENERGY RESOURCES L.P.	Oil	53841
42-329-43367	XTO ENERGY INC.
42-329-43368	XTO ENERGY INC.
42-329-43369	XTO ENERGY INC.
42-329-43370	XTO ENERGY INC.
42-329-43371	XTO ENERGY INC.
42-329-43372	CHEVRON U. S. A. INC.	Oil	53675
42-329-43373	CHEVRON U. S. A. INC.	Oil	53675
42-329-43374	CHEVRON U. S. A. INC.
42-329-43375	CHEVRON U. S. A. INC.
42-329-43376	CHEVRON U. S. A. INC.
42-329-43377	CHEVRON U. S. A. INC.
42-329-43378	CHEVRON U. S. A. INC.
42-329-43379	CHEVRON U. S. A. INC.
42-329-43380	CHEVRON U. S. A. INC.
42-329-43381	CHEVRON U. S. A. INC.
42-329-43382	CHEVRON U. S. A. INC.
42-329-43383	CHEVRON U. S. A. INC.
42-329-43384	PIONEER NATURAL RES. USA, INC.	Oil	53496
42-329-43385	PIONEER NATURAL RES. USA, INC.	Oil	53496
42-329-43386	PIONEER NATURAL RES. USA, INC.	Oil	53496
42-329-43387	PIONEER NATURAL RES. USA, INC.	Oil	53496
42-329-43388	PIONEER NATURAL RES. USA, INC.	Oil	53496
42-329-43389	PIONEER NATURAL RES. USA, INC.	Oil	53496
42-329-43390	PIONEER NATURAL RES. USA, INC.	Oil	53496
42-329-43391	PIONEER NATURAL RES. USA, INC.	Oil	53496
42-329-43392	PIONEER NATURAL RES. USA, INC.	Oil	53496
42-329-43393	PIONEER NATURAL RES. USA, INC.	Oil	53496
42-329-43394	PIONEER NATURAL RES. USA, INC.	Oil	53496
42-329-43395	PIONEER NATURAL RES. USA, INC.	Oil	53496
42-329-43396	PIONEER NATURAL RES. USA, INC.
42-329-43397	PIONEER NATURAL RES. USA, INC.
42-329-43398	PIONEER NATURAL RES. USA, INC.
42-329-43399	DIAMONDBACK E&P LLC
42-329-43400	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-43401	XTO ENERGY INC.
42-329-43402	XTO ENERGY INC.
42-329-43403	XTO ENERGY INC.
42-329-43404	XTO ENERGY INC.
42-329-43405	XTO ENERGY INC.
42-329-43406	PARSLEY ENERGY OPERATIONS, LLC
42-329-43407	PARSLEY ENERGY OPERATIONS, LLC
42-329-43408	PARSLEY ENERGY OPERATIONS, LLC
42-329-43409	PARSLEY ENERGY OPERATIONS, LLC
42-329-43410	PARSLEY ENERGY OPERATIONS, LLC
42-329-43411	XTO ENERGY INC.
42-329-43412	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-43413	PIONEER NATURAL RES. USA, INC.	Oil	37123
42-329-43414	HELMS OIL & GAS, LLC
42-329-43415	ENDEAVOR ENERGY RESOURCES L.P.	Oil	52933
42-329-43416	ENDEAVOR ENERGY RESOURCES L.P.
42-329-43417	DE3 OPERATING LLC	Oil	53260
42-329-43418	AQUA TERRA PERMIAN, LLC
42-329-43419	AQUA TERRA PERMIAN, LLC
42-329-43420	ENDEAVOR ENERGY RESOURCES L.P.
42-329-43421	ENDEAVOR ENERGY RESOURCES L.P.
42-329-43422	ENDEAVOR ENERGY RESOURCES L.P.
42-329-43423	ENDEAVOR ENERGY RESOURCES L.P.
42-329-43424	ENDEAVOR ENERGY RESOURCES L.P.
42-329-43425	ENDEAVOR ENERGY RESOURCES L.P.
42-329-43426	ENDEAVOR ENERGY RESOURCES L.P.
42-329-43427	ENDEAVOR ENERGY RESOURCES L.P.
42-329-43428	ENDEAVOR ENERGY RESOURCES L.P.
42-329-43429	ENDEAVOR ENERGY RESOURCES L.P.
42-329-43430	ENDEAVOR ENERGY RESOURCES L.P.
42-329-43431	ENDEAVOR ENERGY RESOURCES L.P.
42-329-43432	XTO ENERGY INC.	Oil	51885
42-329-43433	ENDEAVOR ENERGY RESOURCES L.P.	Oil	48852
42-329-43434	ENDEAVOR ENERGY RESOURCES L.P.	Oil	48852
42-329-43435	ENDEAVOR ENERGY RESOURCES L.P.	Oil	48852
42-329-43436	XTO ENERGY INC.
42-329-43437	XTO ENERGY INC.
42-329-43438	XTO ENERGY INC.
42-329-43439	XTO ENERGY INC.
42-329-43440	XTO ENERGY INC.
42-329-43441	XTO ENERGY INC.
42-329-43442	XTO ENERGY INC.
42-329-43443	XTO ENERGY INC.
42-329-43444	PILOT WATER SOLUTIONS PERMIANLLC
42-329-43445	PILOT WATER SOLUTIONS PERMIANLLC
42-329-43446	PERMIAN DEEP ROCK OIL CO., LLC
42-329-43447	ENDEAVOR ENERGY RESOURCES L.P.	Oil	49367
42-329-43448	ENDEAVOR ENERGY RESOURCES L.P.	Oil	49367
42-329-43449	ENDEAVOR ENERGY RESOURCES L.P.	Oil	49367
42-329-43450	ENDEAVOR ENERGY RESOURCES L.P.	Oil	49367
42-329-43451	ENDEAVOR ENERGY RESOURCES L.P.	Oil	49367
42-329-43452	ENDEAVOR ENERGY RESOURCES L.P.	Oil	49367
42-329-43453	ENDEAVOR ENERGY RESOURCES L.P.	Oil	49367
42-329-43454	INDEPENDENCE RESOURCES MGMT, LLC
42-329-43455	XTO ENERGY INC.
42-329-43456	INDEPENDENCE RESOURCES MGMT, LLC
42-329-43457	INDEPENDENCE RESOURCES MGMT, LLC
42-329-43458	INDEPENDENCE RESOURCES MGMT, LLC
42-329-43459	INDEPENDENCE RESOURCES MGMT, LLC
42-329-43460	INDEPENDENCE RESOURCES MGMT, LLC
42-329-43461	ENDEAVOR ENERGY RESOURCES L.P.	Oil	53693
42-329-43462	ENDEAVOR ENERGY RESOURCES L.P.	Oil	53693
42-329-43463	ENDEAVOR ENERGY RESOURCES L.P.	Oil	53693
42-329-43464	ENDEAVOR ENERGY RESOURCES L.P.	Oil	53693
42-329-43465	ENDEAVOR ENERGY RESOURCES L.P.	Oil	53693
42-329-43466	ENVIRONMENTAL DISPOSAL SYSTEMS	Oil	53849
42-329-43467	PIONEER NATURAL RES. USA, INC.	Oil	53773
42-329-43468	DIAMONDBACK E&P LLC
42-329-43469	DIAMONDBACK E&P LLC
42-329-43470	PIONEER NATURAL RES. USA, INC.	Oil	53773
42-329-43471	DIAMONDBACK E&P LLC
42-329-43472	PIONEER NATURAL RES. USA, INC.	Oil	53773
42-329-43473	PIONEER NATURAL RES. USA, INC.	Oil	53773
42-329-43474	PIONEER NATURAL RES. USA, INC.	Oil	53773
42-329-43475	PIONEER NATURAL RES. USA, INC.	Oil	53773
42-329-43476	PERMIAN DEEP ROCK OIL CO., LLC	Oil	51022
42-329-43477	DIAMONDBACK E&P LLC
42-329-43478	XTO ENERGY INC.	Oil	53431
42-329-43479	XTO ENERGY INC.
42-329-43480	CHEVRON U. S. A. INC.	Oil	54306
42-329-43481	CHEVRON U. S. A. INC.	Oil	54306
42-329-43482	CHEVRON U. S. A. INC.	Oil	54306
42-329-43483	CHEVRON U. S. A. INC.	Oil	54306
42-329-43484	CHEVRON U. S. A. INC.	Oil	54306
42-329-43485	CHEVRON U. S. A. INC.	Oil	54306
42-329-43486	CHEVRON U. S. A. INC.	Oil	54306
42-329-43487	CHEVRON U. S. A. INC.	Oil	54306
42-329-43488	FASKEN OIL AND RANCH, LTD.	Oil	39539
42-329-43489	CHEVRON U. S. A. INC.	Oil	54306
42-329-43490	CHEVRON U. S. A. INC.	Oil	54306
42-329-43491	CHEVRON U. S. A. INC.
42-329-43492	FASKEN OIL AND RANCH, LTD.	Oil	39539
42-329-43493	CHEVRON U. S. A. INC.
42-329-43494	FASKEN OIL AND RANCH, LTD.	Oil	39539
42-329-43495	PARK HILL DISPOSAL LLC	Oil	53211
42-329-43496	ENDEAVOR ENERGY RESOURCES L.P.
42-329-43497	ENDEAVOR ENERGY RESOURCES L.P.
42-329-43498	ENDEAVOR ENERGY RESOURCES L.P.
42-329-43499	ENDEAVOR ENERGY RESOURCES L.P.
42-329-43500	ENDEAVOR ENERGY RESOURCES L.P.
42-329-43501	ENDEAVOR ENERGY RESOURCES L.P.
42-329-43502	ENDEAVOR ENERGY RESOURCES L.P.
42-329-43503	ENDEAVOR ENERGY RESOURCES L.P.
42-329-43504	ENDEAVOR ENERGY RESOURCES L.P.
42-329-43505	ENDEAVOR ENERGY RESOURCES L.P.
42-329-43506	ENDEAVOR ENERGY RESOURCES L.P.
42-329-43507	ENDEAVOR ENERGY RESOURCES L.P.
42-329-43508	ENDEAVOR ENERGY RESOURCES L.P.
42-329-43509	ENDEAVOR ENERGY RESOURCES L.P.
42-329-43510	XTO ENERGY INC.	Oil	53334
42-329-43511	ENDEAVOR ENERGY RESOURCES L.P.
42-329-43512	ENDEAVOR ENERGY RESOURCES L.P.
42-329-43513	ENDEAVOR ENERGY RESOURCES L.P.
42-329-43514	XTO ENERGY INC.	Oil	53334
42-329-43515	FASKEN OIL AND RANCH, LTD.	Oil	39539
42-329-43516	FASKEN OIL AND RANCH, LTD.	Oil	39539
42-329-43517	CROWNQUEST OPERATING, LLC
42-329-43518	CROWNQUEST OPERATING, LLC
42-329-43519	CROWNQUEST OPERATING, LLC
42-329-43520	CROWNQUEST OPERATING, LLC
42-329-43521	PIONEER NATURAL RES. USA, INC.	Oil	53914
42-329-43522	PIONEER NATURAL RES. USA, INC.	Oil	53915
42-329-43523	PIONEER NATURAL RES. USA, INC.	Oil	53996
42-329-43524	PIONEER NATURAL RES. USA, INC.	Oil	53914
42-329-43525	PIONEER NATURAL RES. USA, INC.
42-329-43526	PIONEER NATURAL RES. USA, INC.	Oil	53996
42-329-43527	PIONEER NATURAL RES. USA, INC.	Oil	54459
42-329-43528	DIAMONDBACK E&P LLC
42-329-43529	CROWNQUEST OPERATING, LLC
42-329-43530	CROWNQUEST OPERATING, LLC
42-329-43531	CHEVRON U. S. A. INC.	Oil	48188
42-329-43532	CHEVRON U. S. A. INC.	Oil	54426
42-329-43533	CROWNQUEST OPERATING, LLC
42-329-43534	CROWNQUEST OPERATING, LLC
42-329-43535	CHEVRON U. S. A. INC.	Oil	48189
42-329-43536	CHEVRON U. S. A. INC.	Oil	48308
42-329-43537	CHEVRON U. S. A. INC.	Oil	54386
42-329-43538	CHEVRON U. S. A. INC.	Oil	54445
42-329-43539	CROWNQUEST OPERATING, LLC
42-329-43540	CROWNQUEST OPERATING, LLC
42-329-43541	CROWNQUEST OPERATING, LLC
42-329-43542	PIONEER NATURAL RES. USA, INC.	Oil	54405
42-329-43543	PIONEER NATURAL RES. USA, INC.	Oil	54424
42-329-43544	PIONEER NATURAL RES. USA, INC.	Oil	54294
42-329-43545	PIONEER NATURAL RES. USA, INC.	Oil	54359
42-329-43546	CROWNQUEST OPERATING, LLC
42-329-43547	CROWNQUEST OPERATING, LLC
42-329-43548	CROWNQUEST OPERATING, LLC
42-329-43549	CHEVRON U. S. A. INC.	Oil	48560
42-329-43550	CHEVRON U. S. A. INC.	Oil	48529
42-329-43551	CHEVRON U. S. A. INC.	Oil	54430
42-329-43552	CHEVRON U. S. A. INC.	Oil	48544
42-329-43553	CHEVRON U. S. A. INC.	Oil	48607
42-329-43554	FASKEN OIL AND RANCH, LTD.
42-329-43555	DE3 OPERATING LLC	Oil	54425
42-329-43556	DE3 OPERATING LLC	Oil	54425
42-329-43557	DE3 OPERATING LLC	Oil	54425
42-329-43558	DE3 OPERATING LLC
42-329-43559	DE3 OPERATING LLC
42-329-43560	DE3 OPERATING LLC	Oil	54368
42-329-43561	DE3 OPERATING LLC	Oil	54368
42-329-43562	DE3 OPERATING LLC	Oil	54355
42-329-43563	DE3 OPERATING LLC	Oil	54355
42-329-43564	DE3 OPERATING LLC
42-329-43565	DE3 OPERATING LLC
42-329-43566	DE3 OPERATING LLC	Oil	54347
42-329-43567	DE3 OPERATING LLC
42-329-43568	DE3 OPERATING LLC	Oil	54355
42-329-43569	DE3 OPERATING LLC
42-329-43570	DE3 OPERATING LLC
42-329-43571	FASKEN OIL AND RANCH, LTD.
42-329-43572	FASKEN OIL AND RANCH, LTD.
42-329-43573	VELOCITY WATER SOLUTIONS, LP	Oil	53434
42-329-43574	PIONEER NATURAL RES. USA, INC.	Oil	54461
42-329-43575	PIONEER NATURAL RES. USA, INC.	Oil	54463
42-329-43576	PIONEER NATURAL RES. USA, INC.	Oil	54264
42-329-43577	PIONEER NATURAL RES. USA, INC.	Oil	54276
42-329-43578	PIONEER NATURAL RES. USA, INC.	Oil	54113
42-329-43579	PIONEER NATURAL RES. USA, INC.	Oil	54112
42-329-43580	AQUA TERRA PERMIAN, LLC
42-329-43581	AQUA TERRA PERMIAN, LLC
42-329-43582	SOLARIS WATER MIDSTREAM, LLC
42-329-43583	HENRY RESOURCES LLC
42-329-43584	HENRY RESOURCES LLC
42-329-43585	HENRY RESOURCES LLC
42-329-43586	HENRY RESOURCES LLC
42-329-43587	HENRY RESOURCES LLC
42-329-43588	XTO ENERGY INC.	Oil	54090
42-329-43589	XTO ENERGY INC.	Oil	54090
42-329-43590	XTO ENERGY INC.	Oil	54320
42-329-43591	XTO ENERGY INC.	Oil	54320
42-329-43592	XTO ENERGY INC.	Oil	54320
42-329-43593	XTO ENERGY INC.	Oil	54320
42-329-43594	XTO ENERGY INC.	Oil	53831
42-329-43595	XTO ENERGY INC.	Oil	53831
42-329-43596	DIAMONDBACK E&P LLC
42-329-43597	DIAMONDBACK E&P LLC
42-329-43598	SOLARIS WATER MIDSTREAM, LLC
42-329-43599	PERMIAN DEEP ROCK OIL CO., LLC
42-329-43600	PERMIAN DEEP ROCK OIL CO., LLC
42-329-43601	PERMIAN DEEP ROCK OIL CO., LLC
42-329-43602	DIAMONDBACK E&P LLC
42-329-43603	DIAMONDBACK E&P LLC
42-329-43604	DIAMONDBACK E&P LLC
42-329-43605	DIAMONDBACK E&P LLC
42-329-43606	CROWNQUEST OPERATING, LLC
42-329-43607	SOLARIS WATER MIDSTREAM, LLC
42-329-43608	AQUA TERRA PERMIAN, LLC
42-329-43609	DIAMONDBACK E&P LLC
42-329-43610	DIAMONDBACK E&P LLC
42-329-43611	XTO ENERGY INC.	Oil	53831
42-329-43612	XTO ENERGY INC.	Oil	53831
42-329-43613	AQUA TERRA PERMIAN, LLC
42-329-43614	AQUA TERRA PERMIAN, LLC
42-329-43615	AQUA TERRA PERMIAN, LLC
42-329-43616	AQUA TERRA PERMIAN, LLC
42-329-43617	AQUA TERRA PERMIAN, LLC
42-329-43618	XTO ENERGY INC.	Oil	53831
42-329-43619	PARSLEY ENERGY OPERATIONS, LLC
42-329-43620	XTO ENERGY INC.	Oil	53831
42-329-43621	XTO ENERGY INC.	Oil	53831
42-329-43622	XTO ENERGY INC.	Oil	53831
42-329-43623	XTO ENERGY INC.	Oil	53831
42-329-43624	XTO ENERGY INC.	Oil	53900
42-329-43625	XTO ENERGY INC.	Oil	53900
42-329-43626	PIONEER NATURAL RES. USA, INC.	Oil	54122
42-329-43627	PIONEER NATURAL RES. USA, INC.	Oil	53847
42-329-43628	XTO ENERGY INC.	Oil	53900
42-329-43629	XTO ENERGY INC.	Oil	53831
42-329-43630	XTO ENERGY INC.	Oil	53821
42-329-43631	XTO ENERGY INC.	Oil	53821
42-329-43632	XTO ENERGY INC.	Oil	53821
42-329-43633	XTO ENERGY INC.	Oil	53821
42-329-43634	XTO ENERGY INC.	Oil	53831
42-329-43635	XTO ENERGY INC.	Oil	53821
42-329-43636	XTO ENERGY INC.	Oil	53900
42-329-43637	XTO ENERGY INC.	Oil	53900
42-329-43638	XTO ENERGY INC.	Oil	53900
42-329-43639	XTO ENERGY INC.	Oil	53821
42-329-43640	DE3 OPERATING LLC
42-329-43641	DE3 OPERATING LLC
42-329-43642	DE3 OPERATING LLC
42-329-43643	DE3 OPERATING LLC
42-329-43644	XTO ENERGY INC.	Oil	53821
42-329-43645	XTO ENERGY INC.	Oil	53821
42-329-43646	XTO ENERGY INC.	Oil	53821
42-329-43647	XTO ENERGY INC.	Oil	53821
42-329-43648	XTO ENERGY INC.	Oil	53821
42-329-43649	XTO ENERGY INC.	Oil	53821
42-329-43650	XTO ENERGY INC.	Oil	53821
42-329-43651	XTO ENERGY INC.	Oil	53900
42-329-43652	XTO ENERGY INC.	Oil	53900
42-329-43653	XTO ENERGY INC.	Oil	53900
42-329-43654	XTO ENERGY INC.	Oil	53900
42-329-43655	XTO ENERGY INC.	Oil	53900
42-329-43656	XTO ENERGY INC.	Oil	54115
42-329-43657	MURCHISON OIL AND GAS, LLC
42-329-43658	MURCHISON OIL AND GAS, LLC	Oil	50903
42-329-43659	PIONEER NATURAL RES. USA, INC.	Oil	53822
42-329-43662	PIONEER NATURAL RES. USA, INC.	Oil	54151
42-329-43663	XTO ENERGY INC.	Oil	53890
42-329-43664	XTO ENERGY INC.	Oil	53890
42-329-43665	XTO ENERGY INC.	Oil	53890
42-329-43666	XTO ENERGY INC.	Oil	53983
42-329-43667	XTO ENERGY INC.	Oil	53983
42-329-43668	XTO ENERGY INC.	Oil	53983
42-329-43669	XTO ENERGY INC.	Oil	53983
42-329-43670	XTO ENERGY INC.	Oil	53983
42-329-43671	XTO ENERGY INC.	Oil	53890
42-329-43672	DE3 OPERATING LLC	Oil	52914
42-329-43673	ENDEAVOR ENERGY RESOURCES L.P.
42-329-43674	ENDEAVOR ENERGY RESOURCES L.P.
42-329-43675	CROWNQUEST OPERATING, LLC	Oil	54068
42-329-43676	ENDEAVOR ENERGY RESOURCES L.P.
42-329-43677	OCCIDENTAL PERMIAN LTD.	Oil	40691
42-329-43678	OCCIDENTAL PERMIAN LTD.	Oil	40691
42-329-43679	XTO ENERGY INC.	Oil	53523
42-329-43680	XTO ENERGY INC.	Oil	53523
42-329-43681	ENDEAVOR ENERGY RESOURCES L.P.
42-329-43682	XTO ENERGY INC.	Oil	53523
42-329-43683	XTO ENERGY INC.	Oil	53523
42-329-43684	XTO ENERGY INC.	Oil	53523
42-329-43685	XTO ENERGY INC.	Oil	53523
42-329-43686	ENDEAVOR ENERGY RESOURCES L.P.
42-329-43687	ENDEAVOR ENERGY RESOURCES L.P.
42-329-43688	ENDEAVOR ENERGY RESOURCES L.P.
42-329-43689	ENDEAVOR ENERGY RESOURCES L.P.
42-329-43690	PIONEER NATURAL RES. USA, INC.	Oil	50294
42-329-43691	PIONEER NATURAL RES. USA, INC.	Oil	53934
42-329-43692	PIONEER NATURAL RES. USA, INC.	Oil	53934
42-329-43693	COG OPERATING LLC
42-329-43694	COG OPERATING LLC
42-329-43695	Lario Oil & Gas Company
42-329-43696	Lario Oil & Gas Company
42-329-43697	Lario Oil & Gas Company
42-329-43698	CROWNQUEST OPERATING, LLC	Oil	54403
42-329-43699	ENDEAVOR ENERGY RESOURCES L.P.	Oil	54411
42-329-43700	ENDEAVOR ENERGY RESOURCES L.P.
42-329-43701	ENDEAVOR ENERGY RESOURCES L.P.	Oil	54411
42-329-43702	ENDEAVOR ENERGY RESOURCES L.P.	Oil	54412
42-329-43703	ENDEAVOR ENERGY RESOURCES L.P.	Oil	54410
42-329-43704	ENDEAVOR ENERGY RESOURCES L.P.	Oil	54413
42-329-43705	ENDEAVOR ENERGY RESOURCES L.P.	Oil	54413
42-329-43706	PARSLEY ENERGY OPERATIONS, LLC
42-329-43707	PARSLEY ENERGY OPERATIONS, LLC
42-329-43708	PARSLEY ENERGY OPERATIONS, LLC
42-329-43709	PARSLEY ENERGY OPERATIONS, LLC
42-329-43710	ENDEAVOR ENERGY RESOURCES L.P.
42-329-43711	ENDEAVOR ENERGY RESOURCES L.P.
42-329-43712	ENDEAVOR ENERGY RESOURCES L.P.
42-329-43713	ENDEAVOR ENERGY RESOURCES L.P.
42-329-43714	OVERFLOW ENERGY, LLC
42-329-43715	ENDEAVOR ENERGY RESOURCES L.P.	Oil	53841
42-329-43716	ENDEAVOR ENERGY RESOURCES L.P.	Oil	53842
42-329-43717	ENDEAVOR ENERGY RESOURCES L.P.	Oil	53841
42-329-43718	ENDEAVOR ENERGY RESOURCES L.P.	Oil	53840
42-329-43719	ENDEAVOR ENERGY RESOURCES L.P.	Oil	53839
42-329-43720	ENDEAVOR ENERGY RESOURCES L.P.	Oil	53839
42-329-43721	ENDEAVOR ENERGY RESOURCES L.P.	Oil	53885
42-329-43722	ENDEAVOR ENERGY RESOURCES L.P.	Oil	53885
42-329-43723	ENDEAVOR ENERGY RESOURCES L.P.	Oil	53838
42-329-43724	DE3 OPERATING LLC	Oil	53155
42-329-43725	CROWNQUEST OPERATING, LLC
42-329-43726	ENDEAVOR ENERGY RESOURCES L.P.
42-329-43727	ENDEAVOR ENERGY RESOURCES L.P.
42-329-43728	ENDEAVOR ENERGY RESOURCES L.P.
42-329-43729	ENDEAVOR ENERGY RESOURCES L.P.
42-329-43730	ENDEAVOR ENERGY RESOURCES L.P.
42-329-43731	ENDEAVOR ENERGY RESOURCES L.P.
42-329-43732	ENDEAVOR ENERGY RESOURCES L.P.
42-329-43733	ENDEAVOR ENERGY RESOURCES L.P.
42-329-43734	ENDEAVOR ENERGY RESOURCES L.P.
42-329-43735
42-329-43736	ENDEAVOR ENERGY RESOURCES L.P.
42-329-43737	ENDEAVOR ENERGY RESOURCES L.P.
42-329-43738	ENDEAVOR ENERGY RESOURCES L.P.
42-329-43739	PIONEER NATURAL RES. USA, INC.	Oil	46263
42-329-43740	PIONEER NATURAL RES. USA, INC.
42-329-43741	PIONEER NATURAL RES. USA, INC.	Oil	46263
42-329-43742	Lario Oil & Gas Company
42-329-43743	DIAMONDBACK E&P LLC
42-329-43744	DIAMONDBACK E&P LLC
42-329-43745	DIAMONDBACK E&P LLC
42-329-43746	DIAMONDBACK E&P LLC
42-329-43747	DE3 OPERATING LLC
42-329-43748	DE3 OPERATING LLC	Oil	54367
42-329-43749	DE3 OPERATING LLC	Oil	53824
42-329-43750	DE3 OPERATING LLC
42-329-43751	DE3 OPERATING LLC
42-329-43752	SUMMIT PETROLEUM LLC	Oil	37726
42-329-43753	SUMMIT PETROLEUM LLC	Oil	37726
42-329-43754	SUMMIT PETROLEUM LLC
42-329-43755	SUMMIT PETROLEUM LLC
42-329-43756	SUMMIT PETROLEUM LLC
42-329-43757	XTO ENERGY INC.	Oil	53523
42-329-43758	XTO ENERGY INC.	Oil	53523
42-329-43759	XTO ENERGY INC.	Oil	53523
42-329-43760	XTO ENERGY INC.	Oil	53523
42-329-43761	XTO ENERGY INC.	Oil	53523
42-329-43762	DE3 OPERATING LLC
42-329-43763	DE3 OPERATING LLC
42-329-43764	DE3 OPERATING LLC
42-329-43765	DE3 OPERATING LLC
42-329-43766	PIONEER NATURAL RES. USA, INC.	Oil	54546
42-329-43767	PIONEER NATURAL RES. USA, INC.	Oil	54415
42-329-43768	PIONEER NATURAL RES. USA, INC.	Oil	54547
42-329-43769	PIONEER NATURAL RES. USA, INC.	Oil	54494
42-329-43770	PIONEER NATURAL RES. USA, INC.
42-329-43771	PIONEER NATURAL RES. USA, INC.
42-329-43772	PIONEER NATURAL RES. USA, INC.	Oil	54433
42-329-43773	PIONEER NATURAL RES. USA, INC.	Oil	54493
42-329-43774	PIONEER NATURAL RES. USA, INC.	Oil	54528
42-329-43775	ENDEAVOR ENERGY RESOURCES L.P.	Oil	54203
42-329-43776	ENDEAVOR ENERGY RESOURCES L.P.	Oil	54296
42-329-43777	ENDEAVOR ENERGY RESOURCES L.P.	Oil	54296
42-329-43778	Apache Corporation	Oil	54286
42-329-43779	Apache Corporation	Oil	54286
42-329-43780	Apache Corporation	Oil	54286
42-329-43781	ENDEAVOR ENERGY RESOURCES L.P.	Oil	54351
42-329-43782	ENDEAVOR ENERGY RESOURCES L.P.	Oil	54351
42-329-43783	ENDEAVOR ENERGY RESOURCES L.P.	Oil	54351
42-329-43784	ENDEAVOR ENERGY RESOURCES L.P.	Oil	54365
42-329-43785	Apache Corporation	Oil	54214
42-329-43786	Apache Corporation	Oil	54214
42-329-43787	Apache Corporation	Oil	54214
42-329-43788	PARSLEY ENERGY OPERATIONS, LLC
42-329-43789	PARSLEY ENERGY OPERATIONS, LLC
42-329-43790	PARSLEY ENERGY OPERATIONS, LLC
42-329-43791	PARSLEY ENERGY OPERATIONS, LLC
42-329-43792	Apache Corporation	Oil	54286
42-329-43793	CHEVRON U. S. A. INC.
42-329-43794	CHEVRON U. S. A. INC.
42-329-43795	CHEVRON U. S. A. INC.
42-329-43796	CHEVRON U. S. A. INC.
42-329-43797	CHEVRON U. S. A. INC.
42-329-43798	CHEVRON U. S. A. INC.
42-329-43799	CHEVRON U. S. A. INC.
42-329-43800	CHEVRON U. S. A. INC.
42-329-43801	CHEVRON U. S. A. INC.
42-329-43802	CHEVRON U. S. A. INC.
42-329-43803	CHEVRON U. S. A. INC.
42-329-43804	CHEVRON U. S. A. INC.
42-329-43805	CHEVRON U. S. A. INC.
42-329-43806	CHEVRON U. S. A. INC.
42-329-43807	CHEVRON U. S. A. INC.
42-329-43808	CHEVRON U. S. A. INC.
42-329-43809	CHEVRON U. S. A. INC.
42-329-43810	Legacy Reserves Operating LP
42-329-43811	ENDEAVOR ENERGY RESOURCES L.P.	Oil	54365
42-329-43812	ENDEAVOR ENERGY RESOURCES L.P.	Oil	54365
42-329-43813	ENDEAVOR ENERGY RESOURCES L.P.	Oil	54365
42-329-43814	ENDEAVOR ENERGY RESOURCES L.P.	Oil	54352
42-329-43815	ENDEAVOR ENERGY RESOURCES L.P.	Oil	54352
42-329-43816	Legacy Reserves Operating LP
42-329-43817	Apache Corporation	Oil	54215
42-329-43818	ENDEAVOR ENERGY RESOURCES L.P.	Oil	54352
42-329-43819	Apache Corporation	Oil
42-329-43820	Apache Corporation	Oil
42-329-43821	Apache Corporation	Oil
42-329-43822	Apache Corporation	Oil	54133
42-329-43823	Apache Corporation	Oil	54133
42-329-43824	Legacy Reserves Operating LP
42-329-43825	Legacy Reserves Operating LP
42-329-43826	Legacy Reserves Operating LP
42-329-43827	PARSLEY ENERGY OPERATIONS, LLC
42-329-43828	PARSLEY ENERGY OPERATIONS, LLC
42-329-43829	DIAMONDBACK E&P LLC
42-329-43830	PARSLEY ENERGY OPERATIONS, LLC
42-329-43831	Legacy Reserves Operating LP
42-329-43832	DIAMONDBACK E&P LLC
42-329-43833	PARSLEY ENERGY OPERATIONS, LLC
42-329-43834	DIAMONDBACK E&P LLC
42-329-43835	DIAMONDBACK E&P LLC
42-329-43836	DIAMONDBACK E&P LLC
42-329-43837	DIAMONDBACK E&P LLC
42-329-43838	DIAMONDBACK E&P LLC
42-329-43839	DIAMONDBACK E&P LLC
42-329-43840	DIAMONDBACK E&P LLC
42-329-43841	DIAMONDBACK E&P LLC
42-329-43842	DIAMONDBACK E&P LLC
42-329-43843	DIAMONDBACK E&P LLC
42-329-43844	PIONEER NATURAL RES. USA, INC.
42-329-43845	PIONEER NATURAL RES. USA, INC.	Oil	46785
42-329-43846	PIONEER NATURAL RES. USA, INC.	Oil	46785
42-329-43847	PIONEER NATURAL RES. USA, INC.
42-329-43848	DIAMONDBACK E&P LLC
42-329-43849	DIAMONDBACK E&P LLC
42-329-43850	CHEVRON U. S. A. INC.
42-329-43851	CHEVRON U. S. A. INC.
42-329-43852	CHEVRON U. S. A. INC.
42-329-43853	CHEVRON U. S. A. INC.
42-329-43854	CHEVRON U. S. A. INC.
42-329-43855	DIAMONDBACK E&P LLC
42-329-43856	DIAMONDBACK E&P LLC
42-329-43857	CHEVRON U. S. A. INC.
42-329-43858	CHEVRON U. S. A. INC.
42-329-43859	CHEVRON U. S. A. INC.
42-329-43860	CHEVRON U. S. A. INC.
42-329-43861	CHEVRON U. S. A. INC.
42-329-43862	CHEVRON U. S. A. INC.
42-329-43863	CHEVRON U. S. A. INC.
42-329-43864	COG OPERATING LLC
42-329-43865	CHEVRON U. S. A. INC.
42-329-43866	CHEVRON U. S. A. INC.
42-329-43867	CHEVRON U. S. A. INC.
42-329-43868	DE3 OPERATING LLC	Oil	53567
42-329-43869	COG OPERATING LLC
42-329-43870	COG OPERATING LLC
42-329-43871	COG OPERATING LLC	Oil	17154
42-329-43872	COG OPERATING LLC	Oil
42-329-43873	ENDEAVOR ENERGY RESOURCES L.P.
42-329-43874	CHEVRON U. S. A. INC.
42-329-43875	CHEVRON U. S. A. INC.
42-329-43876	ENDEAVOR ENERGY RESOURCES L.P.
42-329-43877	CHEVRON U. S. A. INC.
42-329-43878	ENDEAVOR ENERGY RESOURCES L.P.
42-329-43879	ENDEAVOR ENERGY RESOURCES L.P.
42-329-43880	ENDEAVOR ENERGY RESOURCES L.P.
42-329-43881	CHEVRON U. S. A. INC.
42-329-43882	CHEVRON U. S. A. INC.
42-329-43883	CHEVRON U. S. A. INC.
42-329-43884	CHEVRON U. S. A. INC.
42-329-43885	CHEVRON U. S. A. INC.
42-329-43886	CHEVRON U. S. A. INC.
42-329-43887	MURCHISON OIL AND GAS, LLC	Oil	54107
42-329-43888	OVINTIV USA INC.
42-329-43889	OVINTIV USA INC.
42-329-43890	OVINTIV USA INC.
42-329-43891	ENCANA OIL & GAS(USA) INC.
42-329-43892	ENCANA OIL & GAS(USA) INC.
42-329-43893	ENCANA OIL & GAS(USA) INC.
42-329-43894	ENCANA OIL & GAS(USA) INC.
42-329-43895	ENCANA OIL & GAS(USA) INC.
42-329-43896	ENCANA OIL & GAS(USA) INC.
42-329-43897	ENCANA OIL & GAS(USA) INC.
42-329-43898	ENCANA OIL & GAS(USA) INC.
42-329-43899	ENCANA OIL & GAS(USA) INC.
42-329-43900	XTO ENERGY INC.	Oil	49133
42-329-43901	XTO ENERGY INC.	Oil	49133
42-329-43902	XTO ENERGY INC.
42-329-43903	XTO ENERGY INC.	Oil	49133
42-329-43904	ENVIRONMENTAL DSPL SYSTEMS, LLC
42-329-43905	XTO ENERGY INC.	Oil	49133
42-329-43906	XTO ENERGY INC.	Oil	49133
42-329-43907	XTO ENERGY INC.	Oil	49133
42-329-43908	PERMIAN DEEP ROCK OIL CO., LLC
42-329-43909	PERMIAN DEEP ROCK OIL CO., LLC
42-329-43910	PERMIAN DEEP ROCK OIL CO., LLC
42-329-43911	PERMIAN DEEP ROCK OIL CO., LLC
42-329-43912	DIAMONDBACK E&P LLC
42-329-43913	DIAMONDBACK E&P LLC
42-329-43914	DIAMONDBACK E&P LLC
42-329-43915	DIAMONDBACK E&P LLC
42-329-43916	DIAMONDBACK E&P LLC
42-329-43917	MURCHISON OIL AND GAS, LLC	Oil	53939
42-329-43918	CALLON PETROLEUM OPERATING CO
42-329-43919	CALLON PETROLEUM OPERATING CO
42-329-43920	CALLON PETROLEUM OPERATING CO
42-329-43921	CALLON PETROLEUM OPERATING CO
42-329-43922	CALLON PETROLEUM OPERATING CO
42-329-43923	PIONEER NATURAL RES. USA, INC.
42-329-43924	PIONEER NATURAL RES. USA, INC.
42-329-43925	PIONEER NATURAL RES. USA, INC.
42-329-43926	PIONEER NATURAL RES. USA, INC.
42-329-43927	PIONEER NATURAL RES. USA, INC.
42-329-43928	PIONEER NATURAL RES. USA, INC.
42-329-43929	PIONEER NATURAL RES. USA, INC.
42-329-43930	PIONEER NATURAL RES. USA, INC.
42-329-43931	PIONEER NATURAL RES. USA, INC.
42-329-43932	PIONEER NATURAL RES. USA, INC.
42-329-43933	PIONEER NATURAL RES. USA, INC.
42-329-43934	PIONEER NATURAL RES. USA, INC.
42-329-43935	XTO ENERGY INC.	Oil	54292
42-329-43936	CROWNQUEST OPERATING, LLC
42-329-43937	CROWNQUEST OPERATING, LLC
42-329-43938	CROWNQUEST OPERATING, LLC
42-329-43939	XTO ENERGY INC.	Oil	54292
42-329-43940	XTO ENERGY INC.	Oil	54292
42-329-43941	CROWNQUEST OPERATING, LLC
42-329-43942	CROWNQUEST OPERATING, LLC
42-329-43943	CROWNQUEST OPERATING, LLC
42-329-43944	XTO ENERGY INC.
42-329-43945	CROWNQUEST OPERATING, LLC
42-329-43946	XTO ENERGY INC.	Oil	54292
42-329-43947	CROWNQUEST OPERATING, LLC
42-329-43948	ENDEAVOR ENERGY RESOURCES L.P.	Oil	47595
42-329-43949	CROWNQUEST OPERATING, LLC
42-329-43950	ENDEAVOR ENERGY RESOURCES L.P.	Oil	47595
42-329-43951	ENDEAVOR ENERGY RESOURCES L.P.	Oil	48257
42-329-43952	XTO ENERGY INC.
42-329-43953	XTO ENERGY INC.
42-329-43954	XTO ENERGY INC.
42-329-43955	XTO ENERGY INC.
42-329-43956	XTO ENERGY INC.
42-329-43957	XTO ENERGY INC.
42-329-43958	XTO ENERGY INC.	Oil	54292
42-329-43959	XTO ENERGY INC.	Oil	54292
42-329-43960	ENDEAVOR ENERGY RESOURCES L.P.	Oil	48257
42-329-43961	XTO ENERGY INC.
42-329-43962	XTO ENERGY INC.
42-329-43963	CROWNQUEST OPERATING, LLC
42-329-43964	XTO ENERGY INC.	Oil	54292
42-329-43965	PERMIAN DEEP ROCK OIL CO., LLC
42-329-43966	PERMIAN DEEP ROCK OIL CO., LLC
42-329-43967	CHEVRON U. S. A. INC.
42-329-43968	COG OPERATING LLC
42-329-43969	CROWNQUEST OPERATING, LLC
42-329-43970	XTO ENERGY INC.
42-329-43971	XTO ENERGY INC.
42-329-43972	XTO ENERGY INC.
42-329-43973	XTO ENERGY INC.
42-329-43974	XTO ENERGY INC.
42-329-43975	XTO ENERGY INC.
42-329-43976	XTO ENERGY INC.
42-329-43977	COG OPERATING LLC
42-329-43978	COG OPERATING LLC
42-329-43979	COG OPERATING LLC
42-329-43980	COG OPERATING LLC
42-329-43981	COG OPERATING LLC
42-329-43982	COG OPERATING LLC
42-329-43983	COG OPERATING LLC
42-329-43984	COG OPERATING LLC
42-329-43985	XTO ENERGY INC.
42-329-43986	XTO ENERGY INC.
42-329-43987	XTO ENERGY INC.
42-329-43988	XTO ENERGY INC.
42-329-43989	PIONEER NATURAL RES. USA, INC.
42-329-43990	PIONEER NATURAL RES. USA, INC.
42-329-43991	PIONEER NATURAL RES. USA, INC.
42-329-43992	PIONEER NATURAL RES. USA, INC.
42-329-43993	PIONEER NATURAL RES. USA, INC.
42-329-43994	PIONEER NATURAL RES. USA, INC.
42-329-43995	PIONEER NATURAL RES. USA, INC.
42-329-43996	PIONEER NATURAL RES. USA, INC.
42-329-43997	PIONEER NATURAL RES. USA, INC.
42-329-43998	PIONEER NATURAL RES. USA, INC.
42-329-43999	XTO ENERGY INC.
42-329-44000	XTO ENERGY INC.
42-329-44001	XTO ENERGY INC.
42-329-44002	XTO ENERGY INC.
42-329-44003	XTO ENERGY INC.
42-329-44004	XTO ENERGY INC.
42-329-44005	XTO ENERGY INC.
42-329-44006	PIONEER NATURAL RES. USA, INC.
42-329-44007	PIONEER NATURAL RES. USA, INC.
42-329-44008	XTO ENERGY INC.
42-329-44009	PIONEER NATURAL RES. USA, INC.
42-329-44010	PIONEER NATURAL RES. USA, INC.
42-329-44011	COG OPERATING LLC
42-329-44012	COG OPERATING LLC
42-329-44013	PIONEER NATURAL RES. USA, INC.
42-329-44014	PIONEER NATURAL RES. USA, INC.
42-329-44015	PIONEER NATURAL RES. USA, INC.
42-329-44016	PIONEER NATURAL RES. USA, INC.
42-329-44017	BTA OIL PRODUCERS, LLC
42-329-44018	ENDEAVOR ENERGY RESOURCES L.P.
42-329-44019	ENDEAVOR ENERGY RESOURCES L.P.	Oil
42-329-44020	ENDEAVOR ENERGY RESOURCES L.P.	Oil
42-329-44021	ENDEAVOR ENERGY RESOURCES L.P.
42-329-44022	ENDEAVOR ENERGY RESOURCES L.P.	Oil
42-329-44023	ENDEAVOR ENERGY RESOURCES L.P.	Oil
42-329-44024	ENDEAVOR ENERGY RESOURCES L.P.
42-329-44025	ENDEAVOR ENERGY RESOURCES L.P.	Oil
42-329-44026	ENDEAVOR ENERGY RESOURCES L.P.	Oil
42-329-44027	ENDEAVOR ENERGY RESOURCES L.P.
42-329-44028	ENDEAVOR ENERGY RESOURCES L.P.
42-329-44029	ENDEAVOR ENERGY RESOURCES L.P.	Oil
42-329-44030	ENDEAVOR ENERGY RESOURCES L.P.	Oil
42-329-44031	DIAMONDBACK E&P LLC
42-329-44032	DIAMONDBACK E&P LLC
42-329-44033	DIAMONDBACK E&P LLC
42-329-44034	DIAMONDBACK E&P LLC
42-329-44035	DIAMONDBACK E&P LLC
42-329-44036	DIAMONDBACK E&P LLC
42-329-44037	DIAMONDBACK E&P LLC
42-329-44038	DIAMONDBACK E&P LLC
42-329-44039	COG OPERATING LLC
42-329-44040	DIAMONDBACK E&P LLC
42-329-44041	DIAMONDBACK E&P LLC
42-329-44042	DIAMONDBACK E&P LLC
42-329-44043	DIAMONDBACK E&P LLC
42-329-44044	COG OPERATING LLC
42-329-44045	COG OPERATING LLC
42-329-44046	COG OPERATING LLC
42-329-44047	COG OPERATING LLC
42-329-44048	COG OPERATING LLC
42-329-44049	COG OPERATING LLC
42-329-44050	BTA OIL PRODUCERS, LLC
42-329-44051	BTA OIL PRODUCERS, LLC
42-329-44052	BTA OIL PRODUCERS, LLC
42-329-44053	BTA OIL PRODUCERS, LLC
42-329-44054	BTA OIL PRODUCERS, LLC
42-329-44055	COG OPERATING LLC
42-329-44056	COG OPERATING LLC
42-329-44057	COG OPERATING LLC
42-329-44058	COG OPERATING LLC
42-329-44059	TEJAS PERMIAN OPERATING, LLC
42-329-44060	CROWNQUEST OPERATING, LLC
42-329-44061	PIONEER NATURAL RES. USA, INC.	Oil	46263
42-329-44062	OVINTIV USA INC.	Oil	50332
42-329-44063	PIONEER NATURAL RES. USA, INC.	Oil	46263
42-329-44064	CROWNQUEST OPERATING, LLC
42-329-44065	OVINTIV USA INC.	Oil	50335
42-329-44066	ENCANA OIL & GAS(USA) INC.
42-329-44067	OVINTIV USA INC.	Oil	50336
42-329-44068	CROWNQUEST OPERATING, LLC
42-329-44069	PIONEER NATURAL RES. USA, INC.	Oil	46263
42-329-44070	COG OPERATING LLC
42-329-44071	ENCANA OIL & GAS(USA) INC.
42-329-44072	OVINTIV USA INC.	Oil
42-329-44073	OVINTIV USA INC.	Oil
42-329-44074	ENCANA OIL & GAS(USA) INC.
42-329-44075	CROWNQUEST OPERATING, LLC
42-329-44076	CROWNQUEST OPERATING, LLC
42-329-44077	MAGELLAN PIPELINE COMPANY, L.P.
42-329-44078	CROWNQUEST OPERATING, LLC
42-329-44079	PIONEER NATURAL RES. USA, INC.
42-329-44080	PIONEER NATURAL RES. USA, INC.
42-329-44081	Apache Corporation
42-329-44082	Apache Corporation
42-329-44083	PARSLEY ENERGY OPERATIONS, LLC
42-329-44084	Apache Corporation
42-329-44085	PARSLEY ENERGY OPERATIONS, LLC
42-329-44086	PARSLEY ENERGY OPERATIONS, LLC
42-329-44087	Apache Corporation
42-329-44088	PARSLEY ENERGY OPERATIONS, LLC
42-329-44089	Apache Corporation
42-329-44090	Apache Corporation
42-329-44091	COG OPERATING LLC
42-329-44092	COG OPERATING LLC
42-329-44093	COG OPERATING LLC
42-329-44094	COG OPERATING LLC
42-329-44095	CROWNQUEST OPERATING, LLC
42-329-44096	CROWNQUEST OPERATING, LLC
42-329-44097	CROWNQUEST OPERATING, LLC
42-329-44098	CROWNQUEST OPERATING, LLC
42-329-44099	CROWNQUEST OPERATING, LLC
42-329-44100	CROWNQUEST OPERATING, LLC
42-329-44101	CROWNQUEST OPERATING, LLC
42-329-44102	CHEVRON U. S. A. INC.	Oil	54500
42-329-44103	CHEVRON U. S. A. INC.	Oil	54500
42-329-44104	CHEVRON U. S. A. INC.	Oil	54500
42-329-44105	CHEVRON U. S. A. INC.	Oil	54500
42-329-44106	COG OPERATING LLC
42-329-44107	COG OPERATING LLC
42-329-44108	COG OPERATING LLC
42-329-44109	COG OPERATING LLC
42-329-44110	COG OPERATING LLC
42-329-44111	COG OPERATING LLC
42-329-44112	COG OPERATING LLC
42-329-44113	COG OPERATING LLC
42-329-44114	DISCOVERY OPERATING, INC.
42-329-44115	DISCOVERY OPERATING, INC.
42-329-44117	COG OPERATING LLC
42-329-44118	COG OPERATING LLC
42-329-44119	DE3 OPERATING LLC
42-329-44120	DE3 OPERATING LLC
42-329-44121	COG OPERATING LLC
42-329-44122	COG OPERATING LLC
42-329-44123	COG OPERATING LLC
42-329-44124	DE3 OPERATING LLC
42-329-44125	DE3 OPERATING LLC
42-329-44126	DISCOVERY OPERATING, INC.
42-329-44127	DISCOVERY OPERATING, INC.
42-329-44128	HENRY RESOURCES LLC
42-329-44129	HENRY RESOURCES LLC
42-329-44130	DE3 OPERATING LLC
42-329-44131	DE3 OPERATING LLC
42-329-44132	DE3 OPERATING LLC
42-329-44133	DE3 OPERATING LLC
42-329-44134	DE3 OPERATING LLC
42-329-44135	DE3 OPERATING LLC
42-329-44136	DE3 OPERATING LLC
42-329-44137	DE3 OPERATING LLC
42-329-44138	DE3 OPERATING LLC
42-329-44139	DE3 OPERATING LLC
42-329-44140	DE3 OPERATING LLC
42-329-44141	DE3 OPERATING LLC
42-329-44142	PARSLEY ENERGY OPERATIONS, LLC
42-329-44143	PARSLEY ENERGY OPERATIONS, LLC
42-329-44144	DE3 OPERATING LLC
42-329-44145	DE3 OPERATING LLC
42-329-44146	DE3 OPERATING LLC
42-329-44147	DOUBLE DROP SWD, LLC
42-329-44148	DOUBLE DROP SWD, LLC
42-329-44149	PIONEER NATURAL RES. USA, INC.
42-329-44150	PIONEER NATURAL RES. USA, INC.
42-329-44151	PIONEER NATURAL RES. USA, INC.
42-329-44152	PIONEER NATURAL RES. USA, INC.
42-329-44153	ENVIRONMENTAL DISPOSAL SYSTEMS
42-329-44154	MCM OPERATING, LLC
42-329-44155	PARSLEY ENERGY OPERATIONS, LLC
42-329-44156	CROWNQUEST OPERATING, LLC
42-329-44157	CROWNQUEST OPERATING, LLC
42-329-44158	CROWNQUEST OPERATING, LLC
42-329-44159	CROWNQUEST OPERATING, LLC
42-329-44160	CROWNQUEST OPERATING, LLC
42-329-44161	CROWNQUEST OPERATING, LLC
42-329-44162	PARSLEY ENERGY OPERATIONS, LLC
42-329-44163	PARSLEY ENERGY OPERATIONS, LLC
42-329-44164	PARSLEY ENERGY OPERATIONS, LLC
42-329-44165	PARSLEY ENERGY OPERATIONS, LLC
42-329-44166	ENDEAVOR ENERGY RESOURCES L.P.
42-329-44167	ENDEAVOR ENERGY RESOURCES L.P.
42-329-44168	ENDEAVOR ENERGY RESOURCES L.P.
42-329-44169	ENDEAVOR ENERGY RESOURCES L.P.
42-329-44170	ENDEAVOR ENERGY RESOURCES L.P.
42-329-44171	ENDEAVOR ENERGY RESOURCES L.P.
42-329-44172	ENDEAVOR ENERGY RESOURCES L.P.
42-329-44173	ENDEAVOR ENERGY RESOURCES L.P.
42-329-44174	PARSLEY ENERGY OPERATIONS, LLC
42-329-44175	ENDEAVOR ENERGY RESOURCES L.P.
42-329-44176	DE3 OPERATING LLC	Oil	54482
42-329-44177	XTO ENERGY INC.
42-329-44178	XTO ENERGY INC.
42-329-44179	XTO ENERGY INC.
42-329-44180	CHEVRON U. S. A. INC.
42-329-44181	CHEVRON U. S. A. INC.
42-329-44182	XTO ENERGY INC.
42-329-44183	XTO ENERGY INC.
42-329-44184	XTO ENERGY INC.
42-329-44185	XTO ENERGY INC.
42-329-44186	XTO ENERGY INC.
42-329-44187	XTO ENERGY INC.
42-329-44188	XTO ENERGY INC.
42-329-44189	XTO ENERGY INC.
42-329-44190	XTO ENERGY INC.
42-329-44191	PIONEER NATURAL RES. USA, INC.
42-329-44192	PIONEER NATURAL RES. USA, INC.
42-329-44193	PIONEER NATURAL RES. USA, INC.
42-329-44194	PIONEER NATURAL RES. USA, INC.
42-329-44195	PIONEER NATURAL RES. USA, INC.
42-329-44196	PIONEER NATURAL RES. USA, INC.
42-329-44197	EARTHSTONE OPERATING, LLC
42-329-44198	EARTHSTONE OPERATING, LLC
42-329-44199	MID-STATES OPERATING COMPANY
42-329-44200	MID-STATES OPERATING COMPANY
42-329-44201	CROWNQUEST OPERATING, LLC
42-329-44202	CROWNQUEST OPERATING, LLC
42-329-44203	CROWNQUEST OPERATING, LLC
42-329-44204	CROWNQUEST OPERATING, LLC
42-329-44205	EARTHSTONE OPERATING, LLC
42-329-44206	DIAMONDBACK E&P LLC
42-329-44207	EARTHSTONE OPERATING, LLC
42-329-44208	DIAMONDBACK E&P LLC
42-329-44209	DIAMONDBACK E&P LLC
42-329-44210	PIONEER NATURAL RES. USA, INC.
42-329-44211	DIAMONDBACK E&P LLC
42-329-44212	PIONEER NATURAL RES. USA, INC.
42-329-44213	PIONEER NATURAL RES. USA, INC.
42-329-44214	DIAMONDBACK E&P LLC
42-329-44215	PIONEER NATURAL RES. USA, INC.
42-329-44216	PIONEER NATURAL RES. USA, INC.
42-329-44217	PIONEER NATURAL RES. USA, INC.
42-329-44218	CROWNQUEST OPERATING, LLC
42-329-44219	PIONEER NATURAL RES. USA, INC.
42-329-44220	PIONEER NATURAL RES. USA, INC.
42-329-44221	PIONEER NATURAL RES. USA, INC.
42-329-44222	PIONEER NATURAL RES. USA, INC.
42-329-44223	PIONEER NATURAL RES. USA, INC.
42-329-44224	PERMIAN DEEP ROCK OIL CO., LLC
42-329-44225	DE3 OPERATING LLC
42-329-44226	DE3 OPERATING LLC
42-329-44227	XTO ENERGY INC.
42-329-44228	XTO ENERGY INC.
42-329-44229	XTO ENERGY INC.
42-329-44230	MCM OPERATING, LLC
42-329-44231	XTO ENERGY INC.
42-329-44232	MCM OPERATING, LLC
42-329-44233	MCM OPERATING, LLC
42-329-44234	XTO ENERGY INC.
42-329-44235	XTO ENERGY INC.
42-329-44236	XTO ENERGY INC.
42-329-44237	XTO ENERGY INC.
42-329-44238	XTO ENERGY INC.
42-329-44239	XTO ENERGY INC.
42-329-44241	DE3 OPERATING LLC
42-329-44242	DE3 OPERATING LLC
42-329-44243	DE3 OPERATING LLC
42-329-44244	DE3 OPERATING LLC
42-329-44245	DE3 OPERATING LLC
42-329-44246	DE3 OPERATING LLC
42-329-44247	DE3 OPERATING LLC
42-329-44248	DE3 OPERATING LLC
42-329-44249	DE3 OPERATING LLC
42-329-44250	DE3 OPERATING LLC
42-329-44251	DE3 OPERATING LLC
42-329-44252	PARSLEY ENERGY OPERATIONS, LLC
42-329-44253	PARSLEY ENERGY OPERATIONS, LLC
42-329-44254	PARSLEY ENERGY OPERATIONS, LLC
42-329-44255	DE3 OPERATING LLC
42-329-44261	SOLARIS WATER MIDSTREAM, LLC
42-329-44264	PIONEER NATURAL RES. USA, INC.
42-329-44265	MAGELLAN PIPELINES HOLDINGS,L.P.
42-329-44266	ENDEAVOR ENERGY RESOURCES L.P.
42-329-44267	ENDEAVOR ENERGY RESOURCES L.P.
42-329-44268	ENDEAVOR ENERGY RESOURCES L.P.
42-329-44269	COG OPERATING LLC
42-329-44270	COG OPERATING LLC
42-329-44271	COG OPERATING LLC
42-329-44272	COG OPERATING LLC
42-329-44273	COG OPERATING LLC
42-329-44274	COG OPERATING LLC
42-329-44275	COG OPERATING LLC
42-329-44276	COG OPERATING LLC
42-329-44277	DIAMONDBACK E&P LLC
42-329-44278	DIAMONDBACK E&P LLC
42-329-44279	PIONEER NATURAL RES. USA, INC.
42-329-44280	PIONEER NATURAL RES. USA, INC.
42-329-44281	PIONEER NATURAL RES. USA, INC.
42-329-44282	PIONEER NATURAL RES. USA, INC.
42-329-44283	PIONEER NATURAL RES. USA, INC.
42-329-44284	PIONEER NATURAL RES. USA, INC.
42-329-44285	COG OPERATING LLC
42-329-44286	DIAMONDBACK E&P LLC
42-329-44287	DIAMONDBACK E&P LLC
42-329-44288	MAGELLAN PIPELINES HOLDINGS,L.P.
42-329-44289	ENDEAVOR ENERGY RESOURCES L.P.
42-329-44290	ENDEAVOR ENERGY RESOURCES L.P.
42-329-44291	DIAMONDBACK E&P LLC
42-329-44292	DIAMONDBACK E&P LLC
42-329-44293	PIONEER NATURAL RES. USA, INC.
42-329-44294	PIONEER NATURAL RES. USA, INC.
42-329-44295	PIONEER NATURAL RES. USA, INC.
42-329-44296	PIONEER NATURAL RES. USA, INC.
42-329-44297	PIONEER NATURAL RES. USA, INC.
42-329-44298	PIONEER NATURAL RES. USA, INC.
42-329-44299	MURCHISON OIL AND GAS, LLC
42-329-44300	DE3 OPERATING LLC
42-329-44301	DE3 OPERATING LLC
42-329-44302	DE3 OPERATING LLC
42-329-44303	DE3 OPERATING LLC
42-329-44304	DE3 OPERATING LLC
42-329-44305	DE3 OPERATING LLC
42-329-44306	DE3 OPERATING LLC
42-329-44307	MURCHISON OIL AND GAS, LLC
42-329-44308	MURCHISON OIL AND GAS, LLC
42-329-44309	PIONEER NATURAL RES. USA, INC.
42-329-44310	PIONEER NATURAL RES. USA, INC.
42-329-44311	PIONEER NATURAL RES. USA, INC.
42-329-44312	PIONEER NATURAL RES. USA, INC.
42-329-44313	PIONEER NATURAL RES. USA, INC.
42-329-44314	PIONEER NATURAL RES. USA, INC.
42-329-44315	PARSLEY ENERGY OPERATIONS, LLC
42-329-44316	PARSLEY ENERGY OPERATIONS, LLC
42-329-44317	PARSLEY ENERGY OPERATIONS, LLC
42-329-44318	PIONEER NATURAL RES. USA, INC.
42-329-44319	PIONEER NATURAL RES. USA, INC.
42-329-44320	PIONEER NATURAL RES. USA, INC.
42-329-44321	PIONEER NATURAL RES. USA, INC.
42-329-44324	DE3 OPERATING LLC
42-329-44325	DE3 OPERATING LLC
42-329-44326	DE3 OPERATING LLC
42-329-44327	DE3 OPERATING LLC
42-329-44328	DE3 OPERATING LLC
42-329-44329	DE3 OPERATING LLC
42-329-44330	DE3 OPERATING LLC
42-329-44331	DE3 OPERATING LLC
42-329-44332	DE3 OPERATING LLC
42-329-44333	DE3 OPERATING LLC
42-329-44334	DE3 OPERATING LLC
42-329-44335	DE3 OPERATING LLC
42-329-44336	PIONEER NATURAL RES. USA, INC.
42-329-44337	PIONEER NATURAL RES. USA, INC.
42-329-44338	DE3 OPERATING LLC
42-329-44339	OVINTIV USA INC.
42-329-44340	OVINTIV USA INC.
42-329-44341	OVINTIV USA INC.
42-329-44342	OVINTIV USA INC.
42-329-44343	OVINTIV USA INC.
42-329-44344	OVINTIV USA INC.
42-329-44345	ENDEAVOR ENERGY RESOURCES L.P.	Oil
42-329-44346	DE3 OPERATING LLC
42-329-44347	DE3 OPERATING LLC
42-329-44348	DE3 OPERATING LLC
42-329-44349	DE3 OPERATING LLC
42-329-44350	ENDEAVOR ENERGY RESOURCES L.P.
42-329-44351	DE3 OPERATING LLC
42-329-44352	DE3 OPERATING LLC
42-329-44353	DE3 OPERATING LLC
42-329-44354	ENDEAVOR ENERGY RESOURCES L.P.
42-329-44355	DE3 OPERATING LLC
42-329-44356	DE3 OPERATING LLC
42-329-44357	DE3 OPERATING LLC
42-329-44358	DE3 OPERATING LLC
42-329-44359	DE3 OPERATING LLC
42-329-44360	DE3 OPERATING LLC
42-329-44361	DE3 OPERATING LLC
42-329-44362	DE3 OPERATING LLC
42-329-44363	PIONEER NATURAL RES. USA, INC.
42-329-44364	PIONEER NATURAL RES. USA, INC.
42-329-44365	PIONEER NATURAL RES. USA, INC.
42-329-44366	PIONEER NATURAL RES. USA, INC.
42-329-44367	PARK HILL DISPOSAL LLC
42-329-44368	PIONEER NATURAL RES. USA, INC.
42-329-44369	PIONEER NATURAL RES. USA, INC.
42-329-44370	PIONEER NATURAL RES. USA, INC.
42-329-44371	PIONEER NATURAL RES. USA, INC.
42-329-44372	PIONEER NATURAL RES. USA, INC.
42-329-44373	PIONEER NATURAL RES. USA, INC.
42-329-44374	PIONEER NATURAL RES. USA, INC.
42-329-44375	PIONEER NATURAL RES. USA, INC.
42-329-44376	CROWNQUEST OPERATING, LLC
42-329-44377	CROWNQUEST OPERATING, LLC
42-329-44378	ENDEAVOR ENERGY RESOURCES L.P.
42-329-44379	ENDEAVOR ENERGY RESOURCES L.P.
42-329-44380	ENDEAVOR ENERGY RESOURCES L.P.
42-329-44381	ENDEAVOR ENERGY RESOURCES L.P.
42-329-44382	ENDEAVOR ENERGY RESOURCES L.P.
42-329-44383	ENDEAVOR ENERGY RESOURCES L.P.
42-329-44384	ENDEAVOR ENERGY RESOURCES L.P.
42-329-44385	ENDEAVOR ENERGY RESOURCES L.P.
42-329-44386	ENDEAVOR ENERGY RESOURCES L.P.
42-329-44387	ENDEAVOR ENERGY RESOURCES L.P.
42-329-44388	ENDEAVOR ENERGY RESOURCES L.P.
42-329-44389	ENDEAVOR ENERGY RESOURCES L.P.
42-329-44390	ENDEAVOR ENERGY RESOURCES L.P.
42-329-44391	ENDEAVOR ENERGY RESOURCES L.P.
42-329-44392	ENDEAVOR ENERGY RESOURCES L.P.
42-329-44393	ENDEAVOR ENERGY RESOURCES L.P.
42-329-44394	DE3 OPERATING LLC
42-329-44395	DE3 OPERATING LLC
42-329-44396	DE3 OPERATING LLC
42-329-44397	DE3 OPERATING LLC
42-329-44398	DE3 OPERATING LLC
42-329-44399	DE3 OPERATING LLC
42-329-44400	DE3 OPERATING LLC
42-329-44401	CROWNQUEST OPERATING, LLC
42-329-44403	CROWNQUEST OPERATING, LLC
42-329-44404	XTO ENERGY INC.
42-329-44405	XTO ENERGY INC.
42-329-44406	XTO ENERGY INC.
42-329-44407	XTO ENERGY INC.
42-329-44408	XTO ENERGY INC.
42-329-44409	XTO ENERGY INC.
42-329-44410	XTO ENERGY INC.
42-329-44411	XTO ENERGY INC.
42-329-44412	XTO ENERGY INC.
42-329-44413	ENDEAVOR ENERGY RESOURCES L.P.
42-329-44414	ENDEAVOR ENERGY RESOURCES L.P.
42-329-44415	DISCOVERY OPERATING, INC.
42-329-44416	DISCOVERY OPERATING, INC.
42-329-44417	DISCOVERY OPERATING, INC.
42-329-44418	DISCOVERY OPERATING, INC.
42-329-44419	PERMIAN AQUA LOGISTICS, LLC
42-329-44420	PLATFORM OPERATING, LLC
42-329-44421	DE3 OPERATING LLC
42-329-44422	DE3 OPERATING LLC
42-329-44423	DE3 OPERATING LLC
42-329-44424	DE3 OPERATING LLC
42-329-44425	DE3 OPERATING LLC
42-329-44426	DE3 OPERATING LLC
42-329-44427	DE3 OPERATING LLC
42-329-44428	DE3 OPERATING LLC
42-329-44429	DE3 OPERATING LLC
42-329-44430	DE3 OPERATING LLC
42-329-44431	DE3 OPERATING LLC
42-329-44432	DE3 OPERATING LLC
42-329-44433	PARK HILL DISPOSAL LLC
42-329-44434	FIREBIRD ENERGY LLC
42-329-44435	FIREBIRD ENERGY LLC
42-329-44436	FIREBIRD ENERGY LLC
42-329-44437	PIONEER NATURAL RES. USA, INC.
42-329-44438	PIONEER NATURAL RES. USA, INC.
42-329-44439	PIONEER NATURAL RES. USA, INC.
42-329-44440	PIONEER NATURAL RES. USA, INC.
42-329-44441	PIONEER NATURAL RES. USA, INC.
42-329-44442	PIONEER NATURAL RES. USA, INC.
42-329-44443	ENDEAVOR ENERGY RESOURCES L.P.
42-329-44444	ENDEAVOR ENERGY RESOURCES L.P.
42-329-44445	ENDEAVOR ENERGY RESOURCES L.P.
42-329-44446	ENDEAVOR ENERGY RESOURCES L.P.
42-329-44447	ENDEAVOR ENERGY RESOURCES L.P.
42-329-44448	ENDEAVOR ENERGY RESOURCES L.P.
42-329-44449	PERMIAN AQUA LOGISTICS, LLC
42-329-44450	PIONEER NATURAL RES. USA, INC.
42-329-44451	PIONEER NATURAL RES. USA, INC.
42-329-44452	PIONEER NATURAL RES. USA, INC.
42-329-44453	PIONEER NATURAL RES. USA, INC.
42-329-44454	PIONEER NATURAL RES. USA, INC.
42-329-44455
42-329-44456
42-329-44457
42-329-44458
42-329-44459
42-329-44460
42-329-80000
42-329-80001
42-329-80002
42-329-80003
42-329-80004
42-329-80005
42-329-80006
42-329-80007
42-329-80008
42-329-80009
42-329-80010
42-329-80011
42-329-80012
42-329-80013
42-329-80014
42-329-80015
42-329-80016
42-329-80017
42-329-80018
42-329-80019
42-329-80020
42-329-80021
42-329-80022
42-329-80023
42-329-80024
42-329-80025
42-329-80026
42-329-80027
42-329-80028
42-329-80029
42-329-80030
42-329-80031
42-329-80032
42-329-80033
42-329-80034
42-329-80035
42-329-80036
42-329-80037
42-329-80038
42-329-80039
42-329-80040
42-329-80041
42-329-80042
42-329-80043
42-329-80044	OXY USA WTP LP	Gas	030511
42-329-80045
42-329-80046
42-329-80047
42-329-80048
42-329-80049
42-329-80050
42-329-80051
42-329-80052
42-329-80053
42-329-80054
42-329-80055
42-329-80056
42-329-80057
42-329-80058
42-329-80059
42-329-80060
42-329-80061
42-329-80062
42-329-80063
42-329-80064
42-329-80065
42-329-80066
42-329-80067
42-329-80068
42-329-80069
42-329-80070
42-329-80071
42-329-80072
42-329-80073
42-329-80075
42-329-80076
42-329-80077
42-329-80078
42-329-80079
42-329-80080
42-329-80081
42-329-80082
42-329-80083
42-329-80084
42-329-80085
42-329-80086
42-329-80087
42-329-80088
42-329-80089
42-329-80090
42-329-80091
42-329-80092
42-329-80093
42-329-80094
42-329-80095
42-329-80096
42-329-80097
42-329-80098
42-329-80099
42-329-80100
42-329-80101
42-329-80102
42-329-80103
42-329-80104
42-329-80105
42-329-80106
42-329-80107
42-329-80108
42-329-80109
42-329-80110
42-329-80111
42-329-80112
42-329-80113
42-329-80114
42-329-80115
42-329-80116
42-329-80117
42-329-80118
42-329-80119
42-329-80120
42-329-80121
42-329-80122
42-329-80123
42-329-80124
42-329-80125
42-329-80127
42-329-80128
42-329-80129
42-329-80130
42-329-80131
42-329-80132
42-329-80133
42-329-80134
42-329-80135
42-329-80136
42-329-80137
42-329-80138
42-329-80139
42-329-80140
42-329-80141
42-329-80142
42-329-80143
42-329-80144
42-329-80145
42-329-80146
42-329-80147
42-329-80148
42-329-80149
42-329-80150
42-329-80151
42-329-80152
42-329-80153
42-329-80154
42-329-80155
42-329-80156
42-329-80157
42-329-80158
42-329-80159
42-329-80160
42-329-80161
42-329-80162
42-329-80163
42-329-80164	HANLEY PETROLEUM INC.	Oil	34750
42-329-80165
42-329-80166
42-329-80167
42-329-80168
42-329-80169
42-329-80170
42-329-80171
42-329-80172
42-329-80173
42-329-80174
42-329-80175
42-329-80176
42-329-80177
42-329-80178
42-329-80179
42-329-80180
42-329-80181
42-329-80182
42-329-80183
42-329-80184
42-329-80185
42-329-80186
42-329-80187
42-329-80188
42-329-80189
42-329-80190
42-329-80191
42-329-80192
42-329-80193
42-329-80194
42-329-80195
42-329-80196
42-329-80197
42-329-80198
42-329-80199
42-329-80200
42-329-80201
42-329-80202
42-329-80203
42-329-80204
42-329-80205
42-329-80206
42-329-80207
42-329-80208
42-329-80209
42-329-80210
42-329-80211
42-329-80212
42-329-80213
42-329-80214
42-329-80215
42-329-80216
42-329-80217
42-329-80218
42-329-80219
42-329-80220
42-329-80221
42-329-80222
42-329-80223
42-329-80224
42-329-80225
42-329-80226
42-329-80227	ENDEAVOR ENERGY RESOURCES L.P.	Oil
42-329-80229
42-329-80230
42-329-80231
42-329-80232
42-329-80233
42-329-80234
42-329-80235
42-329-80236
42-329-80237	ENDEAVOR ENERGY RESOURCES L.P.	Oil	06367
42-329-80238	ENDEAVOR ENERGY RESOURCES L.P.	Oil	06367
42-329-80239
42-329-80240
42-329-80241
42-329-80242
42-329-80243
42-329-80244
42-329-80245
42-329-80246
42-329-80247
42-329-80248
42-329-80249
42-329-80250
42-329-80251
42-329-80252
42-329-80253
42-329-80254
42-329-80255
42-329-80256
42-329-80257
42-329-80258
42-329-80259
42-329-80260
42-329-80261
42-329-80262
42-329-80263
42-329-80264
42-329-80265
42-329-80266
42-329-80267
42-329-80268
42-329-80269	ENDEAVOR ENERGY RESOURCES L.P.	Oil
42-329-80270
42-329-80271
42-329-80272
42-329-80273
42-329-80274
42-329-80275
42-329-80276
42-329-80277
42-329-80278
42-329-80279
42-329-80280
42-329-80281
42-329-80282
42-329-80283
42-329-80284
42-329-80285
42-329-80286
42-329-80287	ENDEAVOR ENERGY RESOURCES L.P.	Oil	06561
42-329-80288	ENDEAVOR ENERGY RESOURCES L.P.	Oil	06561
42-329-80289
42-329-80290
42-329-80291	CARLOW CORP.	Oil	06568
42-329-80292
42-329-80293
42-329-80294
42-329-80295	HENDRICKSON, A. N.	Oil
42-329-80296	HENDRICKSON, A. N.	Oil
42-329-80297
42-329-80298
42-329-80299
42-329-80300
42-329-80301
42-329-80302
42-329-80303
42-329-80304
42-329-80305
42-329-80306
42-329-80307
42-329-80308
42-329-80309
42-329-80310
42-329-80311
42-329-80312
42-329-80313
42-329-80314
42-329-80315
42-329-80316
42-329-80317
42-329-80318
42-329-80319
42-329-80320
42-329-80321	Apache Corporation	Oil
42-329-80322
42-329-80323
42-329-80324
42-329-80325
42-329-80326
42-329-80327
42-329-80328
42-329-80329
42-329-80330
42-329-80331
42-329-80332
42-329-80333
42-329-80334
42-329-80335
42-329-80336
42-329-80337
42-329-80338
42-329-80339
42-329-80340
42-329-80341
42-329-80342
42-329-80343
42-329-80344
42-329-80345
42-329-80346
42-329-80347
42-329-80348	MGF OPERATING CORPORATION	Oil
42-329-80349
42-329-80350
42-329-80351
42-329-80352
42-329-80353
42-329-80354
42-329-80355
42-329-80356
42-329-80357
42-329-80358
42-329-80359
42-329-80360
42-329-80361
42-329-80362
42-329-80363
42-329-80364
42-329-80365
42-329-80366	PIONEER NATURAL RES. USA, INC.	Oil
42-329-80367
42-329-80368
42-329-80369
42-329-80370
42-329-80371
42-329-80372
42-329-80373
42-329-80374
42-329-80375
42-329-80376
42-329-80377
42-329-80378
42-329-80379
42-329-80380
42-329-80381
42-329-80382
42-329-80383
42-329-80384
42-329-80385
42-329-80386
42-329-80387
42-329-80388
42-329-80389
42-329-80390
42-329-80391
42-329-80392
42-329-80393
42-329-80394
42-329-80395
42-329-80396
42-329-80397
42-329-80398
42-329-80399
42-329-80400
42-329-80401
42-329-80402
42-329-80403
42-329-80404
42-329-80405
42-329-80406
42-329-80407
42-329-80408
42-329-80409
42-329-80410
42-329-80411
42-329-80412
42-329-80413	OXY USA WTP LP	Oil
42-329-80414
42-329-80415
42-329-80416
42-329-80417
42-329-80418
42-329-80419
42-329-80420
42-329-80421
42-329-80422
42-329-80423
42-329-80424
42-329-80425
42-329-80426
42-329-80427
42-329-80428
42-329-80429
42-329-80430
42-329-80431
42-329-80432
42-329-80433
42-329-80434
42-329-80435
42-329-80436
42-329-80437
42-329-80438
42-329-80439
42-329-80440
42-329-80441
42-329-80442
42-329-80443
42-329-80444
42-329-80445
42-329-80446
42-329-80447
42-329-80448
42-329-80449
42-329-80450
42-329-80451
42-329-80452
42-329-80453
42-329-80454
42-329-80455
42-329-80456
42-329-80457
42-329-80458
42-329-80459
42-329-80460
42-329-80461
42-329-80462
42-329-80463
42-329-80464
42-329-80465
42-329-80466
42-329-80467
42-329-80468
42-329-80469
42-329-80470
42-329-80471
42-329-80472
42-329-80473
42-329-80474
42-329-80475
42-329-80476
42-329-80477
42-329-80478
42-329-80479	COASTAL STATES GAS PROD. CO.	Oil
42-329-80480
42-329-80481
42-329-80482
42-329-80483
42-329-80484	PIONEER NATURAL RES. USA, INC.	Oil
42-329-80485
42-329-80486
42-329-80487
42-329-80488
42-329-80489
42-329-80490
42-329-80491
42-329-80492
42-329-80493
42-329-80494
42-329-80495
42-329-80496
42-329-80497
42-329-80498
42-329-80499
42-329-80500
42-329-80501
42-329-80502
42-329-80503
42-329-80504
42-329-80505	PIONEER NATURAL RES. USA, INC.	Oil
42-329-80506	TEXACO E & P INC.	Oil
42-329-80507	PIONEER NATURAL RES. USA, INC.	Oil
42-329-80508
42-329-80509
42-329-80510
42-329-80511
42-329-80512
42-329-80513
42-329-80514
42-329-80515
42-329-80516
42-329-80517
42-329-80518
42-329-80519
42-329-80520
42-329-80521
42-329-80522
42-329-80523
42-329-80524
42-329-80525
42-329-80526
42-329-80527
42-329-80528
42-329-80529
42-329-80530
42-329-80531
42-329-80532
42-329-80533
42-329-80534
42-329-80535
42-329-80536
42-329-80537
42-329-80538
42-329-80539
42-329-80540
42-329-80541
42-329-80542
42-329-80543
42-329-80544
42-329-80545
42-329-80546
42-329-80547
42-329-80548
42-329-80549
42-329-80550
42-329-80551
42-329-80552
42-329-80553
42-329-80554
42-329-80555
42-329-80556
42-329-80557
42-329-80558
42-329-80559
42-329-80560
42-329-80561
42-329-80562
42-329-80563
42-329-80564
42-329-80565
42-329-80566
42-329-80567
42-329-80568
42-329-80569	PIONEER NATURAL RES. USA, INC.	Oil
42-329-80570
42-329-80571
42-329-80572
42-329-80573
42-329-80574
42-329-80575
42-329-80576
42-329-80577
42-329-80578
42-329-80579
42-329-80580
42-329-80581
42-329-80582
42-329-80583
42-329-80584
42-329-80585
42-329-80586
42-329-80587
42-329-80588
42-329-80589
42-329-80590
42-329-80591
42-329-80592	MERIDIAN OIL CORPORATION	Oil
42-329-80593
42-329-80594
42-329-80595
42-329-80596
42-329-80597
42-329-80598
42-329-80599	MCDONALD & MIDKIFF	Oil
42-329-80600
42-329-80601
42-329-80602
42-329-80603
42-329-80604
42-329-80605
42-329-80606
42-329-80607
42-329-80608	Texaco Inc.	Oil
42-329-80609	Texaco Inc.	Oil
42-329-80610	Texaco Inc.	Oil
42-329-80611
42-329-80612
42-329-80613	TEXAS INVESTMENTS	Oil
42-329-80614
42-329-80615
42-329-80616
42-329-80617
42-329-80618	El Paso Natural Gas Company	Oil
42-329-80619	El Paso Natural Gas Company	Oil
42-329-80620	El Paso Natural Gas Company	Oil
42-329-80621
42-329-80622
42-329-80623
42-329-80624
42-329-80625	DE3 OPERATING LLC	Oil	24463
42-329-80626
42-329-80627
42-329-80628
42-329-80629
42-329-80630
42-329-80631
42-329-80632
42-329-80633
42-329-80634
42-329-80635
42-329-80636
42-329-80637
42-329-80638
42-329-80639
42-329-80640	FLOYD, TIMBER INC.	Oil	24924
42-329-80641
42-329-80642
42-329-80643
42-329-80644
42-329-80645
42-329-80646
42-329-80647
42-329-80648
42-329-80649
42-329-80650
42-329-80651
42-329-80652
42-329-80653
42-329-80654
42-329-80655
42-329-80656
42-329-80657
42-329-80658
42-329-80659
42-329-80660
42-329-80661
42-329-80662
42-329-80663
42-329-80664
42-329-80665
42-329-80666	MOMENTUM OPERATING CO., INC.	Oil	25017
42-329-80667
42-329-80668
42-329-80669
42-329-80670
42-329-80671
42-329-80672
42-329-80673
42-329-80674
42-329-80675
42-329-80676
42-329-80677
42-329-80678
42-329-80679
42-329-80680
42-329-80681
42-329-80682
42-329-80683
42-329-80684
42-329-80685
42-329-80686
42-329-80687
42-329-80688
42-329-80689
42-329-80690
42-329-80691
42-329-80692
42-329-80693
42-329-80694
42-329-80695
42-329-80696
42-329-80697
42-329-80698
42-329-80699
42-329-80700
42-329-80701
42-329-80702
42-329-80703
42-329-80704
42-329-80705
42-329-80706
42-329-80707
42-329-80708
42-329-80709
42-329-80710
42-329-80711
42-329-80712
42-329-80713
42-329-80714
42-329-80715
42-329-80716
42-329-80717
42-329-80718
42-329-80719
42-329-80720
42-329-80721	DIAMONDBACK E&P LLC	Oil	25795
42-329-80722
42-329-80723
42-329-80724
42-329-80725
42-329-80726
42-329-80727
42-329-80728
42-329-80729
42-329-80730
42-329-80731
42-329-80732
42-329-80733
42-329-80734
42-329-80735
42-329-80736
42-329-80737
42-329-80738
42-329-80739
42-329-80740
42-329-80741
42-329-80742
42-329-80743
42-329-80744
42-329-80745
42-329-80746
42-329-80747
42-329-80748
42-329-80749
42-329-80750
42-329-80751
42-329-80752
42-329-80753
42-329-80754
42-329-80755
42-329-80756
42-329-80757
42-329-80758
42-329-80759
42-329-80760
42-329-80761
42-329-80762
42-329-80763
42-329-80764
42-329-80765
42-329-80766
42-329-80767
42-329-80768
42-329-80769
42-329-80770
42-329-80771
42-329-80772
42-329-80773
42-329-80774
42-329-80775
42-329-80776
42-329-80777
42-329-80778
42-329-80779
42-329-80780
42-329-80781
42-329-80782
42-329-80783
42-329-80784
42-329-80785
42-329-80786
42-329-80787
42-329-80788
42-329-80789
42-329-80790	MIDKIFF, HUNTER
42-329-80791
42-329-80792
42-329-80793
42-329-80794
42-329-80795
42-329-80796
42-329-80797
42-329-80798
42-329-80799
42-329-80800
42-329-80801
42-329-80802	MGF Oil Corporation
42-329-80803
42-329-80804
42-329-80805
42-329-80806
42-329-80807
42-329-80808	ANTHONY, BOB G. INC.
42-329-80809
42-329-80810
42-329-80811
42-329-80812
42-329-80814
42-329-80816
42-329-80817
42-329-80818
42-329-80819
42-329-80820
42-329-80821
42-329-80822
42-329-80823
42-329-80824
42-329-80825
42-329-80826
42-329-80827
42-329-80828
42-329-80829
42-329-80830
42-329-80831	ENDEAVOR ENERGY RESOURCES L.P.	Oil	20830
42-329-80832
42-329-80833
42-329-80834
42-329-80835
42-329-80836
42-329-80837
42-329-80838
42-329-80839
42-329-80840
42-329-80841
42-329-80842
42-329-80843
42-329-80844
42-329-80845
42-329-80846
42-329-80847	El Paso Natural Gas Company	Oil
42-329-80848
42-329-80849
42-329-80850
42-329-80851
42-329-80852
42-329-80853
42-329-80854
42-329-80855
42-329-80856
42-329-80857	OXY USA WTP LP	Gas	142083
42-329-80858	Apache Corporation	Gas	151316
42-329-80859
42-329-80860	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-80861	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-80862
42-329-80863	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-80864	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-80865
42-329-80866	ENDEAVOR ENERGY RESOURCES L.P.	Oil	06519
42-329-80867	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-80868	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-80869	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-80870	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-80871	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-80872	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-80873	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-80874	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-80875	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-80876	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-80877	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-80879	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-80880	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-80881	PIONEER NATURAL RES. USA, INC.	Oil
42-329-80882	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-80883	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-80884	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-80885	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-80886	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-80887	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-80888	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-80889	PIONEER NATURAL RES. USA, INC.	Oil
42-329-80890	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-80891	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-80892	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-80893	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-80894	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-80895	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-80896	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-80897	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-80898	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-80899	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-80900	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-80901	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-80902	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-80903	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-80904	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-80905	PIONEER NATURAL RES. USA, INC.	Oil	18187
42-329-80906	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-80907	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-80908	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-80909	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-80910	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-80911	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-80912	PIONEER NATURAL RES. USA, INC.	Oil	18551
42-329-80913
42-329-80914
42-329-80915	EXXON CORP.	Oil
42-329-80917
42-329-99009

For data sources see