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0494273601000

In 1950, Texaco Canada drilled the Calmar No. 6 well. The well operated for a subsequent 10 years, though it never recorded any production. The well was sealed and abandoned in 1960, during which the well pipe was cut and buried underground. However, the production casing in the well was not properly removed during this stage, creating a leakage hazard.[1] In 1989 Imperial oil acquired Texaco’s Canadian operations.[2] As a result, it became the owner of the abandoned wells in Calmar, among other oil and gas assets owned by Texaco Canada.

Texaco Calmar No. 6 was officially discovered within close proximity of homes on Evergreen crescent in 2008. Imperial bought out homeowners in the immediate vicinity of the well in 2010 and paid for homeowners directly affected by the well to relocate. The majority of the subdivision was not compensated for losses associated with health impacts of the well’s leaks, remediation process, and lost housing value.

Imperial began the process of remediating Texaco Calmar No. 5 in 2010. Houses slated for demolition were removed, heavy equipment was brough into the site, and the well remediation began.[3] A subsequent review found that the initial remediation effort insufficiently addressed the leak and had actually increased the leak of methane. Homeowners near the site were again compensated for reclamation disruption, and Imperial began the second attempt at remediation in 2015.[4] The well’s current status is RecExempt.

Well Details

Well ID: 0494273601000
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Location: 00/01-36-049-27W4/0
Location Alias: 00/01-36-49-27 W4M
Location Alias 2: 00/01-36-049-27 W4/00
Country: Canada
Province: Alberta
Township: 049
Meridian: 4
Range: 27
Section: 36
County/Municipality: Calmar
Well Name: TEXACO CALMAR NO. 6 WELL
Operator Name: Imperial Oil Resources Limited
License Number: 0002037
License Date: 1950-09-16
License Status: RecExempt
Spud Date: 1950-09-19
Final Drill Date: 1950-10-20
Well Total Depth: 1667.30 m
Surface Hole Latitude: 53.266816
Surface Hole Longitude: -113.809227

For data sources see[5][6]

Well History

Date Event
1909-09-09 Well Log Performed
1950-09-16 Obtained License
1950-10-04 Drill Stem Test Performed
1950-10-14 Drill Stem Test Performed
1950-10-15 Drill Stem Test Performed
1950-10-16 Drill Stem Test Performed
1950-10-17 Drill Stem Test Performed
1950-10-18 Drill Stem Test Performed
1950-10-20 Drill Stem Test Performed
1950-10-20 Finished Drilling
1950-10-20 Well Mode changed to Drilled and Cased
1950-10-21 Production Casing Operation Performed
1950-10-24 Perforation Treatment Performed - Jet Perforation
1950-10-26 Perforation Treatment Performed - Acid Squeeze - Press Used
1950-10-26 Well Began Production
1950-10-26 Well Fluid changed to Crude Oil
1950-10-26 Well Mode changed to Flowing
1950-11-09 Well Fluid changed to Crude Oil
1950-11-09 Well Mode changed to Pumping
1952-07-31 Perforation Treatment Performed - Bullet Perforation
1958-05-08 Perforation Treatment Performed - Acid Wash - No Pressure
1960-05-05 Perforation Treatment Performed - Cement Plug
1960-05-24 Well Abandoned
1960-05-24 Well Fluid changed to Crude Oil
1960-05-24 Well Mode changed to Abandoned
2013-07-13 Plug Back Performed
2015-07-31 Production Casing Operation Performed
2015-08-06 Well Log Performed
2015-08-09 Well Log Performed

For data sources see[7]


Perforation Treatments

Perforation Date Perforation Type Interval Top (m) Interval Base (m) Number of Shots
1950-10-24 Perforation 1586.80 1593.50 13
1950-10-26 Acid Treatment 1586.80 1593.50 0
1952-07-31 Bullet Perforation 1586.80 1593.50 13
1952-07-31 Bullet Perforation 1595.30 1597.20 26
1952-07-31 Bullet Perforation 1599.00 1600.80 26
1952-07-31 Bullet Perforation 1602.90 1604.80 26
1958-05-08 Acid Wash 1586.80 1604.80 0
1960-05-05 Cement Plug 1546.90 1610.60 0

For data sources see[8]


Production Data

Period Total Production Hours Gas Quantity (m3) Oil Quantity (m3) Water Quantity (m3)
1961 0 0.0 0.0 0.0

For data sources see[9]

Occurences

Occurence Date Occurence Type Occurence Depth (m) Occurence Control Depth (m)
2013-07-15 No Incident Encountered 0.00 0.00
2015-08-04 No Incident Encountered 0.00 0.00

For data sources see[10]

References

  1. Five Years, Five Homes Demolished And Gas Keeps Bubbling From The Deep Part 2: Trouble Beneath Our Feet – Trying To Plug The Leak In Calmar, Alberta.
    https://margaretmunro.wordpress.com/2014/12/08/five-years-five-homes-demolished-and-gas-keeps-bubbling-from-the-deep-part-2-trouble-beneath-our-feet-trying-to-plug-the-leak-in-calmar-alberta/
  2. Texaco completes sale to Imperial Oil.
    https://www.upi.com/Archives/1989/02/24/Texaco-completes-sale-to-Imperial-Oil/3556604299600/
  3. Crying foul over Calmar gas well.
    https://railroaded.files.wordpress.com/2010/07/railroaded-ed-jour-art-dec-6-20101.pdf
  4. Calmar families asked to leave homes again this summer in effort to staunch methane leak.
    https://edmontonjournal.com/news/local-news/calmar-families-asked-to-leave-homes-again-this-summer-in-effort-to-staunch-methane-leak/wcm/0a674518-4f51-495e-83a7-5cb653103fa2/
  5. "General Well Data File - Licensing Data". Alberta Energy Regulator. 2020-04-22. Retrieved 2020-05-07. 
  6. "General Well Data File - Drilling Data". Alberta Energy Regulator. 2020-04-22. Retrieved 2020-05-07. 
  7. "General Well Data File". Alberta Energy Regulator. 2020-04-22. Retrieved 2020-04-29. 
  8. "General Well Data File - Tour-Perforation/Treatment Data". Alberta Energy Regulator. 2020-04-22. Retrieved 2020-05-07. 
  9. "Well Production Data - All Alberta". Alberta Energy Regulator. 2020-04-25. Retrieved 2020-05-07. 
  10. "General Well Data File - Tour-Occurence Data". Alberta Energy Regulator. 2020-04-22. Retrieved 2020-05-07.