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v3.23.1

Property, plant and equipment (Schedule of Property, Plant and Equipment) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Property, plant and equipment at the beginning | $ 614,047 | $ 614,665 |
Depreciation | (90,980) | (81,139) | $ (108,971)
Property, plant and equipment at year-end | 666,879 | 614,047 | 614,665
Oil and gas properties [Member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Property, plant and equipment at the beginning | 394,775 | 420,172 |
Depreciation | (76,720) | (66,011) | (89,344)
Property, plant and equipment at year-end | 436,977 | 394,775 | 420,172
Furniture, equipment and vehicles [Member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Property, plant and equipment at the beginning | 2,044 | 3,722 |
Property, plant and equipment at year-end | 2,294 | 2,044 | 3,722
Production facilities and machinery [Member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Property, plant and equipment at the beginning | 84,560 | 87,842 |
Property, plant and equipment at year-end | 93,654 | 84,560 | 87,842
Buildings and improvements |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Property, plant and equipment at the beginning | 4,994 | 5,467 |
Depreciation | (672) | (700) | (490)
Property, plant and equipment at year-end | 4,433 | 4,994 | 5,467
Construction in Progress [Member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Property, plant and equipment at the beginning | 27,204 | 18,848 |
Property, plant and equipment at year-end | 16,480 | 27,204 | 18,848
Exploration and evaluation assets [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Property, plant and equipment at the beginning | 100,470 | 78,614 |
Property, plant and equipment at year-end | 113,041 | 100,470 | 78,614
Gross carrying amount [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Property, plant and equipment at the beginning | 1,317,157 | 1,297,057 | 1,152,386
Additions | 169,114 | 128,164 | 72,435
Currency translation differences | 3,233 | (3,637) | (16,136)
Disposals | (2,090) | (7,350) | (815)
Write-off / Impairment loss | (25,789) | (16,596) | (186,516)
Transfers | 0 | 0 | 0
Acquisitions |  |  | 276,988
Assets held for sale |  | (80,481) | (1,285)
Property, plant and equipment at year-end | 1,461,625 | 1,317,157 | 1,297,057
Gross carrying amount [member] | Oil and gas properties [Member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Property, plant and equipment at the beginning | 957,932 | 968,617 | 830,937
Retirements, property, plant and equipment | 7,558 | 1,094 | 2,863
Currency translation differences | 2,921 | (3,284) | (14,399)
Disposals | 0 | 0 | 0
Write-off / Impairment loss | 0 | (1,575) | (77,667)
Transfers | 125,962 | 68,315 | 48,361
Acquisitions |  |  | 185,533
Assets held for sale |  | (73,047) | (1,285)
Property, plant and equipment at year-end | 1,079,257 | 957,932 | 968,617
Gross carrying amount [member] | Furniture, equipment and vehicles [Member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Property, plant and equipment at the beginning | 18,712 | 20,707 | 19,549
Additions | 1,620 | 930 | 1,180
Currency translation differences | 37 | (43) | (194)
Disposals | (1,290) | (1,762) | (555)
Write-off / Impairment loss | 0 | 0 | 0
Transfers | 14 | 58 | 174
Acquisitions |  |  | 553
Assets held for sale |  | (1,178) | 0
Property, plant and equipment at year-end | 19,093 | 18,712 | 20,707
Gross carrying amount [member] | Production facilities and machinery [Member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Property, plant and equipment at the beginning | 201,177 | 197,829 | 172,507
Additions | 6 | 0 | 0
Currency translation differences | 232 | (246) | (1,036)
Disposals | (26) | (900) | 0
Write-off / Impairment loss | 0 | (2,759) | (11,357)
Transfers | 21,338 | 13,305 | 21,534
Acquisitions |  |  | 16,181
Assets held for sale |  | (6,052) | 0
Property, plant and equipment at year-end | 222,727 | 201,177 | 197,829
Gross carrying amount [member] | Buildings and improvements |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Property, plant and equipment at the beginning | 11,662 | 12,442 | 11,770
Additions |  | 0 | 422
Retirements, property, plant and equipment | 14 |  |
Currency translation differences | 6 | (16) | (59)
Disposals | (774) | (978) | (227)
Write-off / Impairment loss | 0 | 0 | 0
Transfers | 147 | 391 | 324
Acquisitions |  |  | 212
Assets held for sale |  | (177) | 0
Property, plant and equipment at year-end | 11,027 | 11,662 | 12,442
Gross carrying amount [member] | Construction in Progress [Member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Property, plant and equipment at the beginning | 27,204 | 18,848 | 69,587
Additions | 107,171 | 82,094 | 55,267
Currency translation differences | 18 | (18) | (47)
Disposals | 0 | (3,372) | (33)
Write-off / Impairment loss | 0 | 0 | (44,840)
Transfers | (117,913) | (70,321) | (62,285)
Acquisitions |  |  | 1,199
Assets held for sale |  | (27) | 0
Property, plant and equipment at year-end | 16,480 | 27,204 | 18,848
Gross carrying amount [member] | Exploration and evaluation assets [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Property, plant and equipment at the beginning | 100,470 | 78,614 | 48,036
Additions | 67,889 | 46,234 | 18,429
Currency translation differences | 19 | (30) | (401)
Disposals | 0 | (338) | 0
Write-off / Impairment loss | (25,789) | (12,262) | (52,652)
Transfers | (29,548) | (11,748) | (8,108)
Acquisitions |  |  | 73,310
Assets held for sale |  | 0 | 0
Property, plant and equipment at year-end | 113,041 | 100,470 | 78,614
Accumulated depreciation, amortisation and impairment [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Property, plant and equipment at the beginning | (703,110) | (682,392) | (584,598)
Currency translation differences | (2,673) | 2,518 | 10,646
Depreciation | (90,980) | (81,139) | (108,971)
Disposals | 2,017 | 3,063 | 398
Assets held for sale |  | 54,840 | 133
Property, plant and equipment at year-end | (794,746) | (703,110) | (682,392)
Accumulated depreciation, amortisation and impairment [member] | Oil and gas properties [Member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Property, plant and equipment at the beginning | (563,157) | (548,445) | (467,806)
Currency translation differences | (2,403) | 2,219 | 8,572
Depreciation | (76,720) | (66,011) | (89,344)
Disposals | 0 | 0 | 0
Assets held for sale |  | 49,080 | 133
Property, plant and equipment at year-end | (642,280) | (563,157) | (548,445)
Accumulated depreciation, amortisation and impairment [member] | Furniture, equipment and vehicles [Member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Property, plant and equipment at the beginning | (16,668) | (16,985) | (15,149)
Currency translation differences | (33) | 37 | 155
Depreciation | (1,344) | (1,960) | (2,317)
Disposals | 1,246 | 1,325 | 326
Assets held for sale |  | 915 | 0
Property, plant and equipment at year-end | (16,799) | (16,668) | (16,985)
Accumulated depreciation, amortisation and impairment [member] | Production facilities and machinery [Member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Property, plant and equipment at the beginning | (116,617) | (109,987) | (95,047)
Currency translation differences | (231) | 246 | 1,880
Depreciation | (12,244) | (12,468) | (16,820)
Disposals | 19 | 900 | 0
Assets held for sale |  | 4,692 | 0
Property, plant and equipment at year-end | (129,073) | (116,617) | (109,987)
Accumulated depreciation, amortisation and impairment [member] | Buildings and improvements |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Property, plant and equipment at the beginning | (6,668) | (6,975) | (6,596)
Currency translation differences | (6) | 16 | 39
Depreciation | (672) | (700) | (490)
Disposals | 752 | 838 | 72
Assets held for sale |  | 153 | 0
Property, plant and equipment at year-end | (6,594) | (6,668) | (6,975)
Accumulated depreciation, amortisation and impairment [member] | Construction in Progress [Member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Property, plant and equipment at the beginning | 0 | 0 | 0
Currency translation differences | 0 | 0 | 0
Depreciation | 0 | 0 | 0
Disposals | 0 | 0 | 0
Assets held for sale |  | 0 | 0
Property, plant and equipment at year-end | 0 | 0 | 0
Accumulated depreciation, amortisation and impairment [member] | Exploration and evaluation assets [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Property, plant and equipment at the beginning | 0 | 0 | 0
Currency translation differences | 0 | 0 | 0
Depreciation | 0 | 0 | 0
Disposals | 0 | 0 | 0
Assets held for sale |  | 0 | 0
Property, plant and equipment at year-end | $ 0 | $ 0 | $ 0

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- Definition The amount of impairment loss recognised in profit or loss for property, plant and equipment and Write-off of unsuccessful exploration efforts previously capitalised in accordance with IFRS 6 and Company's accounting policies. + References No definition available. + Details
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- Definition The decrease in property, plant and equipment resulting from the loss of control of a subsidiary. [Refer: Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 16 -IssueDate 2022-03-24 -Paragraph 73 -Subparagraph e -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2022-en-r&anchor=para_73_e&doctype=Standard -URIDate 2022-03-24 + Details
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- Definition The amount of depreciation of property, plant and equipment. [Refer: Depreciation and amortisation expense; Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2022-03-24 -Paragraph 73 -Subparagraph e -Clause vii -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2022-en-r&anchor=para_73_e_vii&doctype=Standard -URIDate 2022-03-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2022-03-24 -Paragraph 75 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2022-en-r&anchor=para_75_a&doctype=Standard -URIDate 2022-03-24 + Details
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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table. + References No definition available. + Details
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- Definition The increase (decrease) in property, plant and equipment resulting from net exchange differences arising on the translation of the financial statements from the functional currency into a different presentation currency, including the translation of a foreign operation into the presentation currency of the reporting entity. [Refer: Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2022-03-24 -Paragraph 73 -Subparagraph e -Clause viii -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2022-en-r&anchor=para_73_e_viii&doctype=Standard -URIDate 2022-03-24 + Details
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- Definition The increase (decrease) in property, plant and equipment resulting from transfers. [Refer: Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 16 -IssueDate 2022-03-24 -Paragraph 73 -Subparagraph e -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2022-en-r&anchor=para_73_e&doctype=Standard -URIDate 2022-03-24 + Details
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- Definition The amount of tangible assets that: (a) are held for use in the production or supply of goods or services, for rental to others, or for administrative purposes; and (b) are expected to be used during more than one period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2022-03-24 -Paragraph 73 -Subparagraph e -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2022-en-r&anchor=para_73_e&doctype=Standard -URIDate 2022-03-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2022-03-24 -Paragraph 54 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_54_a&doctype=Standard -URIDate 2022-03-24 + Details
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