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Oil and Gas Properties - Sensitivity of the Estimated Recoverable Amount of Possible Changes (Details) $ in Thousands | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Mar. 31, 2020 CAD ($) cadPerMcf | Jun. 30, 2021 CAD ($) | Dec. 31, 2021 CAD ($) | Dec. 31, 2020 CAD ($) cadPerBbl cadPerMcf
Disclosure of detailed information about property, plant and equipment [line items] |  |  |  |
Discount rate |  |  |  | 1.00%
Oil price | cadPerBbl |  |  |  | 2.50
Gas price | cadPerMcf | 0.25 |  |  | 0.25
Recoverable amount | $ 2,974,796 | $ 4,106,595 | $ 4,375,103 | $ 3,077,548
Impairment |  | 1,126,415 | 416,000 |
Impairment (reversal) loss | 2,588,488 |  | (1,542,414) | 2,360,220
Change in discount rate of 1% | 220,750 | 218,900 | 156,200 | 140,600
Change in oil price of $2.50/bbl | 400,500 | 330,900 | 332,300 | 386,000
Change in gas price of $0.25/mcf | 49,000 | 83,900 | 47,300 | 57,400
Reversal of impairment loss recognised in profit or loss |  | 1,100,000 |  | 341,326
Conventional CGU |  |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |  |
Recoverable amount | 37,444 | 57,891 | 77,846 | 54,265
Impairment |  | 15,000 | 19,000 |
Impairment (reversal) loss | 41,000 |  |  |
Change in discount rate of 1% | 3,000 | 1,000 | 0 | 1,000
Change in oil price of $2.50/bbl | 3,500 | 1,000 | 3,000 | 3,000
Change in gas price of $0.25/mcf | 8,500 | 8,000 | 8,000 | 9,000
Reversal of impairment loss recognised in profit or loss |  |  |  | 0
Peace River CGU |  |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |  |
Recoverable amount | 109,631 | 238,714 | 489,274 | 104,225
Impairment |  | 154,000 | 251,000 |
Impairment (reversal) loss | 345,000 |  |  |
Change in discount rate of 1% | 9,500 | 4,000 | 8,500 | 1,000
Change in oil price of $2.50/bbl | 53,500 | 40,000 | 53,000 | 49,500
Change in gas price of $0.25/mcf | 3,000 | 2,500 | 3,500 | 3,000
Reversal of impairment loss recognised in profit or loss |  |  |  | 0
Lloydminster CGU |  |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |  |
Recoverable amount | 227,967 | 340,730 | 479,411 | 212,979
Impairment |  | 154,000 | 146,000 |
Impairment (reversal) loss | 470,000 |  |  |
Change in discount rate of 1% | 25,000 | 12,500 | 12,500 | 7,000
Change in oil price of $2.50/bbl | 69,500 | 52,000 | 52,000 | 57,500
Change in gas price of $0.25/mcf | 0 | 0 | 0 | 500
Reversal of impairment loss recognised in profit or loss |  |  |  | 0
Duvernay CGU |  |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |  |
Recoverable amount | 61,197 | 115,157 |  | 70,491
Impairment |  | 5,000 |  |
Impairment (reversal) loss | 5,000 |  |  |
Change in discount rate of 1% | 5,500 | 45,000 |  | 5,500
Change in oil price of $2.50/bbl | 9,500 | 44,500 |  | 12,000
Change in gas price of $0.25/mcf | 1,500 | 44,500 |  | 1,500
Reversal of impairment loss recognised in profit or loss |  | 5,000 |  | 0
Viking CGU |  |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |  |
Recoverable amount | 962,134 | 1,338,985 | 1,320,094 | 1,026,026
Impairment |  | 356,000 | 0 |
Impairment (reversal) loss | 915,000 |  |  |
Change in discount rate of 1% | 57,000 | 47,000 | 38,000 | 34,500
Change in oil price of $2.50/bbl | 123,000 | 89,500 | 85,500 | 106,500
Change in gas price of $0.25/mcf | 4,000 | 4,500 | 4,500 | 5,000
Reversal of impairment loss recognised in profit or loss |  |  |  | 116,000
Eagle Ford CGU |  |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |  |
Recoverable amount | 1,576,423 | 2,015,118 | 2,008,478 | 1,609,562
Impairment |  | 442,415 | 0 |
Impairment (reversal) loss | 812,488 |  |  |
Change in discount rate of 1% | 120,750 | 109,400 | 97,200 | 91,600
Change in oil price of $2.50/bbl | 141,500 | 103,900 | 138,800 | 157,500
Change in gas price of $0.25/mcf | $ 32,000 | $ 24,400 | $ 31,300 | 38,400
Reversal of impairment loss recognised in profit or loss |  |  |  | $ 225,326

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