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Segment information (Schedule of Segment Information by Segment Areas (Geographical Segments) (Details) item in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 USD ($) employee | Dec. 31, 2020 USD ($) item employee | Dec. 31, 2019 USD ($) employee item
Disclosure of Segment information [Line Items] |  |  |
Revenue | $ 688,543,000 | $ 393,692,000 | $ 628,907,000
Sale of crude oil | 647,559,000 | 359,640,000 | 579,030,000
Sale of gas | 40,984,000 | 34,052,000 | 49,877,000
Realized gain (loss) on commodity risk management contracts | (109,654,000) | 21,059,000 | 3,888,000
Production and operating costs | (212,790,000) | (125,072,000) | (168,964,000)
Royalties | (113,023,000) | (35,875,000) | (64,576,000)
Share-based payment | (339,000) | (528,000) | (329,000)
Other operating costs | (99,428,000) | (88,669,000) | (104,059,000)
Operating profit (loss) | 185,809,000 | (110,663,000) | 210,675,000
Adjusted EBITDA | 300,800,000 | 217,531,000 | 363,335,000
Depreciation | (88,969,000) | (118,073,000) | (105,532,000)
Impairment loss for non-financial assets, net | (4,334,000) | (133,864,000) | (7,559,000)
Write-off of unsuccessful exploration efforts | (12,262,000) | (52,652,000) | (18,290,000)
Total assets | $ 895,741,000 | $ 960,266,000 | $ 852,132,000
Employees (average) | 476,000 | 447 | 461
Employees at year end | employee | 463,000 | 437,000 | 439,000
Colombia [Member] |  |  |
Disclosure of Segment information [Line Items] |  |  |
Revenue | $ 618,268,000 | $ 334,606,000 | $ 538,917,000
Sale of crude oil | 616,133,000 | 332,461,000 | 536,986,000
Sale of gas | 2,135,000 | 2,145,000 | 1,931,000
Realized gain (loss) on commodity risk management contracts | (109,654,000) | 21,059,000 | 3,888,000
Production and operating costs | (178,384,000) | (92,319,000) | (116,944,000)
Royalties | (106,341,000) | (30,453,000) | (56,399,000)
Share-based payment | (334,000) | (362,000) | (231,000)
Other operating costs | (71,709,000) | (61,504,000) | (60,314,000)
Adjusted EBITDA | 294,847,000 | 218,524,000 | 367,058,000
Depreciation | (61,279,000) | (63,687,000) | (46,917,000)
Impairment loss for non-financial assets, net | 0 |  |
Write-off of unsuccessful exploration efforts | (7,827,000) | (1,949,000) | 0
Total assets | $ 689,401,000 | $ 680,828,000 | $ 357,125,000
Employees (average) | 308,000 | 238 | 195
Employees at year end | employee | 321,000 | 268,000 | 202,000
Chile [Member] |  |  |
Disclosure of Segment information [Line Items] |  |  |
Revenue | $ 21,471,000 | $ 21,704,000 | $ 32,336,000
Sale of crude oil | 6,297,000 | 5,103,000 | 10,551,000
Sale of gas | 15,174,000 | 16,601,000 | 21,785,000
Realized gain (loss) on commodity risk management contracts | 0 | 0 | 0
Production and operating costs | (11,050,000) | (10,244,000) | (19,789,000)
Royalties | (770,000) | (753,000) | (1,181,000)
Share-based payment | (31,000) | (94,000) | (31,000)
Other operating costs | (10,249,000) | (9,397,000) | (18,577,000)
Adjusted EBITDA | 7,639,000 | 8,148,000 | 8,310,000
Depreciation | (14,275,000) | (33,571,000) | (34,826,000)
Impairment loss for non-financial assets, net | (17,641,000) | (81,967,000) | 0
Write-off of unsuccessful exploration efforts | (4,435,000) | (50,167,000) | 0
Total assets | $ 71,515,000 | $ 101,742,000 | $ 249,207,000
Employees (average) | 55,000 | 68 | 89
Employees at year end | employee | 52,000 | 57,000 | 77,000
Brazil [Member] |  |  |
Disclosure of Segment information [Line Items] |  |  |
Revenue | $ 20,109,000 | $ 12,783,000 | $ 23,049,000
Sale of crude oil | 661,000 | 891,000 | 1,469,000
Sale of gas | 19,448,000 | 11,892,000 | 21,580,000
Realized gain (loss) on commodity risk management contracts | 0 | 0 | 0
Production and operating costs | (4,596,000) | (3,876,000) | (5,953,000)
Royalties | (1,642,000) | (1,049,000) | (1,855,000)
Share-based payment | 0 | 0 | (29,000)
Other operating costs | (2,954,000) | (2,827,000) | (4,069,000)
Adjusted EBITDA | 12,569,000 | 4,784,000 | 11,750,000
Depreciation | (4,082,000) | (3,732,000) | (7,445,000)
Impairment loss for non-financial assets, net | 0 | (1,717,000) | 0
Write-off of unsuccessful exploration efforts | 0 | (536,000) | (5,120,000)
Total assets | $ 38,846,000 | $ 38,172,000 | $ 68,480,000
Employees (average) | 4,000 | 11 | 13
Employees at year end | employee | 4,000 | 5,000 | 13,000
Argentina [Member] |  |  |
Disclosure of Segment information [Line Items] |  |  |
Revenue | $ 28,695,000 | $ 24,599,000 | $ 34,605,000
Sale of crude oil | 24,468,000 | 21,185,000 | 30,024,000
Sale of gas | 4,227,000 | 3,414,000 | 4,581,000
Realized gain (loss) on commodity risk management contracts | 0 | 0 | 0
Production and operating costs | (18,760,000) | (18,633,000) | (26,278,000)
Royalties | (4,270,000) | (3,620,000) | (5,141,000)
Share-based payment | 26,000 | (72,000) | (38,000)
Other operating costs | (14,516,000) | (14,941,000) | (21,099,000)
Adjusted EBITDA | 2,124,000 | 1,195,000 | 868,000
Depreciation | (9,130,000) | (16,564,000) | (15,618,000)
Impairment loss for non-financial assets, net | 13,307,000 | (16,205,000) | (7,559,000)
Write-off of unsuccessful exploration efforts | 0 | 0 | (13,170,000)
Total assets | $ 38,111,000 | $ 36,803,000 | $ 79,062,000
Employees (average) | 92,000 | 114 | 133
Employees at year end | employee | 74,000 | 97,000 | 128,000
Peru [Member] |  |  |
Disclosure of Segment information [Line Items] |  |  |
Revenue |  | $ 0 | $ 0
Sale of crude oil |  | 0 | 0
Sale of gas |  | 0 | 0
Realized gain (loss) on commodity risk management contracts |  | 0 | 0
Production and operating costs |  | 0 | 0
Royalties |  | 0 | 0
Share-based payment |  | 0 | 0
Other operating costs |  | 0 | 0
Adjusted EBITDA |  | (1,952,000) | (6,540,000)
Depreciation |  | (401,000) | (576,000)
Impairment loss for non-financial assets, net | $ 0 | (33,975,000) | 0
Write-off of unsuccessful exploration efforts |  | 0 | 0
Total assets |  | $ 4,656,000 | $ 53,993,000
Employees (average) | 4 | 10 | 26
Employees at year end | employee |  | 5,000 | 14,000
Ecuador [Member] |  |  |
Disclosure of Segment information [Line Items] |  |  |
Revenue | $ 0 | $ 0 | $ 0
Sale of crude oil | 0 | 0 | 0
Sale of gas | 0 | 0 | 0
Realized gain (loss) on commodity risk management contracts | 0 | 0 | 0
Production and operating costs | 0 | 0 | 0
Royalties | 0 | 0 | 0
Share-based payment | 0 | 0 | 0
Other operating costs | 0 | 0 | 0
Adjusted EBITDA | (2,071,000) | (773,000) | (535,000)
Depreciation | (200,000) | (52,000) | (1,000)
Impairment loss for non-financial assets, net | 0 |  |
Write-off of unsuccessful exploration efforts | 0 | 0 | 0
Total assets | $ 7,782,000 | $ 1,127,000 | $ 1,119,000
Employees (average) | 8,000 | 2 | 2
Employees at year end | employee | 3,000 | 2,000 | 2,000
Corporate [Member] |  |  |
Disclosure of Segment information [Line Items] |  |  |
Revenue |  |  | $ 0
Sale of crude oil |  |  | 0
Sale of gas |  |  | 0
Realized gain (loss) on commodity risk management contracts |  |  | 0
Production and operating costs |  |  | 0
Royalties |  |  | 0
Share-based payment |  |  | 0
Other operating costs |  |  | 0
Adjusted EBITDA |  |  | (17,576,000)
Depreciation |  |  | (149,000)
Write-off of unsuccessful exploration efforts |  |  | 0
Total assets |  |  | $ 43,146,000
Employees (average) | item |  |  | 3
Employees at year end | employee |  |  | 3,000
Corporate [Member] | Other Segments [Member] |  |  |
Disclosure of Segment information [Line Items] |  |  |
Revenue | $ 0 | $ 0 |
Sale of crude oil | 0 | 0 |
Sale of gas | 0 | 0 |
Realized gain (loss) on commodity risk management contracts | 0 | 0 |
Production and operating costs | 0 | 0 |
Royalties | 0 | 0 |
Share-based payment | 0 | 0 |
Other operating costs | 0 | 0 |
Adjusted EBITDA | (14,308,000) | (12,395,000) |
Depreciation | (3,000) | (66,000) |
Impairment loss for non-financial assets, net | 0 |  |
Write-off of unsuccessful exploration efforts | 0 | 0 |
Total assets | $ 50,086,000 | $ 96,938,000 |
Employees (average) | 9,000 | 4 |
Employees at year end | employee | 9,000 | 3,000 |

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