| 14. | Investments in associates and joint ventures |
| 14.1 | Composition and movements |
| | | 2017 | | 2016 | | ||
| Investment in joint ventures | | | | | | | |
| Equion Energy Limited | | | 1,057,466 | | | 1,156,430 | |
| Offshore International Group | | | 845,325 | | | 937,938 | |
| Ecodiesel Colombia SA | | | 38,383 | | | 39,525 | |
| | | | 1,941,174 | | | 2,133,893 | |
| Less impairment: | | | | | | | |
| Equion Energy Limited | | | (296,427) | | | (253,683) | |
| Offshore International Group | | | (539,465) | | | (577,053) | |
| | | | 1,105,282 | | | 1,303,157 | |
| Investments in associates | | | | | | | |
| Invercolsa SA | | | 223,963 | | | 243,156 | |
| Serviport SA | | | 9,905 | | | 5,255 | |
| Olefinas Port Society | | | 1,214 | | | 1,126 | |
| | | | 235,082 | | | 249,537 | |
| Less impairment: Serviport SA | | | (9,904) | | | - | |
| | | | 225,178 | | | 249,537 | |
| | | | 1,330,460 | | | 1,552,694 | |
| | | Associates | | Joint ventures | | Total | | |||
| Opening balance | | | 249,537 | | | 1,303,157 | | | 1,552,694 | |
| Effects of equity method through: | | | | | | | | | | |
| Profit or loss | | | 46,669 | | | 46,869 | | | 93,538 | |
| Other comprehensive income | | | - | | | (14,752) | | | (14,752) | |
| Dividends declared | | | (61,124) | | | (224,837) | | | (285,961) | |
| Impairment (Note 18.1.2) | | | (9,904) | | | (5,155) | | | (15,059) | |
| Closing balance | | | 225,178 | | | 1,105,282 | | | 1,330,460 | |
| | | Associates | | Joint ventures | | Total | | |||
| Opening balance | | | 69,516 | | | 1,862,418 | | | 1,931,934 | |
| Effects of equity method through: | | | | | | | | | | |
| Profit or loss | | | 48,299 | | | 13,046 | | | 61,345 | |
| Other comprehensive income | | | 173,772 | | | (49,127) | | | 124,645 | |
| Dividends declared | | | (42,050) | | | (384,787) | | | (426,837) | |
| Impairment (Note 18.1.2) | | | - | | | (127,858) | | | (127,858) | |
| Reclassifications | | | - | | | (10,535) | | | (10,535) | |
| Closing balance | | | 249,537 | | | 1,303,157 | | | 1,552,694 | |
| 14.2 | Restrictions on investments |
| 14.3 | Additional information about associates and joint ventures |
| | | 2017 | | 2016 | | ||||||||
| | | Equion | | Offshore | | Equion | | Offshore | | ||||
| | | Energy | | International | | Energy | | International | | ||||
| | | Limited | | Group | | Limited | | Group | | ||||
| Statement of financial position | | | | | | | | | | | | | |
| Current assets | | | 909,927 | | | 289,618 | | | 712,078 | | | 317,700 | |
| Non-current assets | | | 955,849 | | | 1,568,395 | | | 1,406,510 | | | 1,693,947 | |
| Total assets | | | 1,865,776 | | | 1,858,013 | | | 2,118,588 | | | 2,011,647 | |
| Current liabilities | | | 430,130 | | | 192,513 | | | 417,203 | | | 147,090 | |
| Non-current liabilities | | | 98,835 | | | 657,746 | | | 170,527 | | | 671,577 | |
| Total liabilities | | | 528,965 | | | 850,259 | | | 587,730 | | | 818,667 | |
| Equity | | | 1,336,811 | | | 1,007,754 | | | 1,530,858 | | | 1,192,980 | |
| | | | | | | | | | | | | | |
| Other complementary information | | | | | | | | | | | | | |
| Cash and cash equivalents | | | 170,618 | | | 32,490 | | | 300,689 | | | 22,224 | |
| Current financial liabilities | | | 336,352 | | | 97,960 | | | 328,497 | | | 21,408 | |
| Non-current financial liabilities | | | 2,921 | | | 214,259 | | | 309 | | | 356,353 | |
| | | 2017 | | 2016 | | 2015 | | ||||||||||||
| | | Equion | | Offshore | | Equion | | Offshore | | Equion | | Offshore | | ||||||
| | | Energy | | International | | Energy | | International | | Energy | | International | | ||||||
| | | Limited | | Group | | Limited | | Group | | Limited | | Group | | ||||||
| Statement of profit or loss | | | | | | | | | | | | | | | | | | | |
| Sales revenue | | | 1,213,692 | | | 393,210 | | | 1,204,301 | | | 379,811 | | | 1,218,796 | | | 463,660 | |
| Costs | | | (793,999) | | | (508,461) | | | (969,318) | | | (502,107) | | | (958,467) | | | (654,095) | |
| Administrative expenses and others | | | 12,188 | | | (103,340) | | | (44,810) | | | (221,238) | | | (74,258) | | | (128,895) | |
| Financial income (expenses) | | | 2,373 | | | (20,264) | | | 59,143 | | | (12,010) | | | 37,970 | | | (8,528) | |
| Income tax | | | (180,546) | | | 60,575 | | | 30,199 | | | 107,507 | | | (209,221) | | | 90,294 | |
| Financial year results | | | 253,708 | | | (178,280) | | | 279,515 | | | (248,037) | | | 14,820 | | | (237,564) | |
| Other comprehensive results | | | 913,728 | | | - | | | 935,847 | | | - | | | 1,024,423 | | | - | |
| | | | | | | | | | | | | | | | | | | | |
| Other complementary information | | | | | | | | | | | | | | | | | | | |
| Dividends paid to the Ecopetrol Business Group | | | 217,075 | | | - | | | 375,035 | | | - | | | 284,984 | | | - | |
| Depreciation and amortization | | | 557,970 | | | 232,953 | | | 678,488 | | | 228,250 | | | 642,369 | | | 229,317 | |
| | | 2017 | | | 2016 | | ||||||||||
| | | Equion | | | Offshore | | | Equion | | | Offshore | | ||||
| | | Energy | | | International | | | Energy | | | International | | ||||
| | | Limited | | | Group | | | Limited | | | Group | | ||||
| Equity of the associate | | | 1,336,811 | | | | 1,007,754 | | | | 1,530,858 | | | | 1,192,980 | |
| % of Ecopetrol’s ownership | | | 51 | % | | | 50 | % | | | 51 | % | | | 50 | % |
| Ecopetrol’s ownership | | | 681,773 | | | | 503,877 | | | | 780,738 | | | | 596,490 | |
| Additional value of the investment | | | 375,693 | | | | 341,448 | | | | 375,693 | | | | 341,448 | |
| Impairment | | | (296,427) | | | | (539,465) | | | | (253,684) | | | | (577,053) | |
| Carrying amount of the investment | | | 761,039 | | | | 305,860 | | | | 902,747 | | | | 360,885 | |