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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 ID: 0494273601000 | Loading map...
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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 |
| 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 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]
| 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]
| 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]