v3.6.0.2

Oil and Gas Exploration and Production Industries Disclosures (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2016
Oil and Gas Exploration and Production Industries Disclosures [Abstract] |
Net Proved and Proved Developed Oil and Gas Reserve Quantities | The following tables set forth EOG's net proved reserves at December 31 for each of the four years in the period ended December 31, 2016, and the changes in the net proved reserves for each of the three years in the period ended December 31, 2016, as estimated by the Engineering and Acquisitions Department of EOG: NET PROVED RESERVE SUMMARY
| United States |  | Trinidad |  | Other International (1) |  | Total
NET PROVED RESERVES |  |  |  |  |  |  |
Crude Oil (MBbl) (2) |  |  |  |  |  |  |
Net proved reserves at December 31, 2013 | 880,049 |  |  | 1,590 |  |  | 18,901 |  |  | 900,540 |
Revisions of previous estimates | 28,301 |  |  | 99 |  |  | (378 | ) |  | 28,022 |
Purchases in place | 9,705 |  |  | — |  |  | — |  |  | 9,705 |
Extensions, discoveries and other additions | 319,540 |  |  | — |  |  | 14 |  |  | 319,554 |
Sales in place | (4,967 | ) |  | — |  |  | (7,656 | ) |  | (12,623 | )
Production | (102,946 | ) |  | (350 | ) |  | (2,152 | ) |  | (105,448 | )
Net proved reserves at December 31, 2014 | 1,129,682 |  |  | 1,339 |  |  | 8,729 |  |  | 1,139,750 |
Revisions of previous estimates | (114,924 | ) |  | (1 | ) |  | — |  |  | (114,925 | )
Purchases in place | 35,922 |  |  | — |  |  | — |  |  | 35,922 |
Extensions, discoveries and other additions | 141,310 |  |  | 63 |  |  | 13 |  |  | 141,386 |
Sales in place | (730 | ) |  | — |  |  | (10 | ) |  | (740 | )
Production | (103,400 | ) |  | (332 | ) |  | (65 | ) |  | (103,797 | )
Net proved reserves at December 31, 2015 | 1,087,860 |  |  | 1,069 |  |  | 8,667 |  |  | 1,097,596 |
Revisions of previous estimates | 42,040 |  |  | 54 |  |  | 861 |  |  | 42,955 |
Purchases in place | 25,795 |  |  | — |  |  | — |  |  | 25,795 |
Extensions, discoveries and other additions | 123,441 |  |  | — |  |  | — |  |  | 123,441 |
Sales in place | (8,791 | ) |  | — |  |  | — |  |  | (8,791 | )
Production | (101,854 | ) |  | (284 | ) |  | (1,273 | ) |  | (103,411 | )
Net proved reserves at December 31, 2016 | 1,168,491 |  |  | 839 |  |  | 8,255 |  |  | 1,177,585 |
Natural Gas Liquids (MBbl) (2) |  |  |  |  |  |  |  |  |  |  |
Net proved reserves at December 31, 2013 | 376,002 |  |  | — |  |  | 1,204 |  |  | 377,206 |
Revisions of previous estimates | 27,450 |  |  | — |  |  | (7 | ) |  | 27,443 |
Purchases in place | 1,812 |  |  | — |  |  | — |  |  | 1,812 |
Extensions, discoveries and other additions | 91,683 |  |  | — |  |  | — |  |  | 91,683 |
Sales in place | (956 | ) |  | — |  |  | (823 | ) |  | (1,779 | )
Production | (29,061 | ) |  | — |  |  | (236 | ) |  | (29,297 | )
Net proved reserves at December 31, 2014 | 466,930 |  |  | — |  |  | 138 |  |  | 467,068 |
Revisions of previous estimates | (113,290 | ) |  | — |  |  | 68 |  |  | (113,222 | )
Purchases in place | 8,251 |  |  | — |  |  | — |  |  | 8,251 |
Extensions, discoveries and other additions | 49,147 |  |  | — |  |  | — |  |  | 49,147 |
Sales in place | (84 | ) |  | — |  |  | (187 | ) |  | (271 | )
Production | (28,079 | ) |  | — |  |  | (19 | ) |  | (28,098 | )
Net proved reserves at December 31, 2015 | 382,875 |  |  | — |  |  | — |  |  | 382,875 |
Revisions of previous estimates | 53,771 |  |  | — |  |  | — |  |  | 53,771 |
Purchases in place | 1,284 |  |  | — |  |  | — |  |  | 1,284 |
Extensions, discoveries and other additions | 41,862 |  |  | — |  |  | — |  |  | 41,862 |
Sales in place | (33,548 | ) |  | — |  |  | — |  |  | (33,548 | )
Production | (29,878 | ) |  | — |  |  | — |  |  | (29,878 | )
Net proved reserves at December 31, 2016 | 416,366 |  |  | — |  |  | — |  |  | 416,366 |
| United States |  | Trinidad |  | Other International (1) |  | Total
Natural Gas (Bcf) (3) |  |  |  |  |  |  |
Net proved reserves at December 31, 2013 | 4,398.7 |  |  | 520.7 |  |  | 125.4 |  |  | 5,044.8 |
Revisions of previous estimates | 252.2 |  |  | 12.9 |  |  | 5.5 |  |  | 270.6 |
Purchases in place | 17.1 |  |  | — |  |  | — |  |  | 17.1 |
Extensions, discoveries and other additions | 638.3 |  |  | 4.5 |  |  | 4.7 |  |  | 647.5 |
Sales in place | (52.4 | ) |  | — |  |  | (78.7 | ) |  | (131.1 | )
Production | (348.4 | ) |  | (132.5 | ) |  | (25.4 | ) |  | (506.3 | )
Net proved reserves at December 31, 2014 | 4,905.5 |  |  | 405.6 |  |  | 31.5 |  |  | 5,342.6 |
Revisions of previous estimates | (1,453.1 | ) |  | 16.8 |  |  | 5.6 |  |  | (1,430.7 | )
Purchases in place | 72.3 |  |  | — |  |  | — |  |  | 72.3 |
Extensions, discoveries and other additions | 306.3 |  |  | 21.7 |  |  | 4.4 |  |  | 332.4 |
Sales in place | (3.9 | ) |  | — |  |  | (11.1 | ) |  | (15.0 | )
Production | (337.3 | ) |  | (127.5 | ) |  | (10.9 | ) |  | (475.7 | )
Net proved reserves at December 31, 2015 | 3,489.8 |  |  | 316.6 |  |  | 19.5 |  |  | 3,825.9 |
Revisions of previous estimates | 298.4 |  |  | 29.5 |  |  | 5.2 |  |  | 333.1 |
Purchases in place | 91.5 |  |  | — |  |  | — |  |  | 91.5 |
Extensions, discoveries and other additions | 202.1 |  |  | 59.9 |  |  | — |  |  | 262.0 |
Sales in place | (752.0 | ) |  | — |  |  | — |  |  | (752.0 | )
Production | (308.6 | ) |  | (125.1 | ) |  | (8.9 | ) |  | (442.6 | )
Net proved reserves at December 31, 2016 | 3,021.2 |  |  | 280.9 |  |  | 15.8 |  |  | 3,317.9 |
Oil Equivalents (MBoe) (2) |  |  |  |  |  |  |  |  |  |  |
Net proved reserves at December 31, 2013 | 1,989,166 |  |  | 88,364 |  |  | 41,013 |  |  | 2,118,543 |
Revisions of previous estimates | 97,782 |  |  | 2,245 |  |  | 541 |  |  | 100,568 |
Purchases in place | 14,367 |  |  | — |  |  | — |  |  | 14,367 |
Extensions, discoveries and other additions | 517,613 |  |  | 758 |  |  | 796 |  |  | 519,167 |
Sales in place | (14,661 | ) |  | — |  |  | (21,602 | ) |  | (36,263 | )
Production | (190,065 | ) |  | (22,430 | ) |  | (6,631 | ) |  | (219,126 | )
Net proved reserves at December 31, 2014 | 2,414,202 |  |  | 68,937 |  |  | 14,117 |  |  | 2,497,256 |
Revisions of previous estimates | (470,401 | ) |  | 2,802 |  |  | 995 |  |  | (466,604 | )
Purchases in place | 56,215 |  |  | — |  |  | — |  |  | 56,215 |
Extensions, discoveries and other additions | 241,513 |  |  | 3,682 |  |  | 736 |  |  | 245,931 |
Sales in place | (1,467 | ) |  | — |  |  | (2,039 | ) |  | (3,506 | )
Production | (187,701 | ) |  | (21,578 | ) |  | (1,896 | ) |  | (211,175 | )
Net proved reserves at December 31, 2015 | 2,052,361 |  |  | 53,843 |  |  | 11,913 |  |  | 2,118,117 |
Revisions of previous estimates | 145,542 |  |  | 4,978 |  |  | 1,722 |  |  | 152,242 |
Purchases in place | 42,330 |  |  | — |  |  | — |  |  | 42,330 |
Extensions, discoveries and other additions | 198,973 |  |  | 9,990 |  |  | — |  |  | 208,963 |
Sales in place | (167,669 | ) |  | — |  |  | — |  |  | (167,669 | )
Production | (183,145 | ) |  | (21,150 | ) |  | (2,755 | ) |  | (207,050 | )
Net proved reserves at December 31, 2016 | 2,088,392 |  |  | 47,661 |  |  | 10,880 |  |  | 2,146,933 |
(1) | Other International includes EOG's United Kingdom, China, Canada and Argentina operations. The Argentina operations were sold in the third quarter of 2016.
(2) | Thousand barrels or thousand barrels of oil equivalent, as applicable; oil equivalents include crude oil and condensate, NGLs and natural gas. Oil equivalents are determined using a ratio of 1.0 barrel of crude oil and condensate or NGLs to 6.0 thousand cubic feet of natural gas.
(3) | Billion cubic feet.
Net Proved Developed and Net Proved Undeveloped Oil and Gas Reserve Quantities |
| United States |  | Trinidad |  | Other International (1) |  | Total
NET PROVED DEVELOPED RESERVES |  |  |  |  |  |  |
Crude Oil (MBbl) |  |  |  |  |  |  |
December 31, 2013 | 382,517 |  |  | 1,505 |  |  | 7,034 |  |  | 391,056 |
December 31, 2014 | 493,694 |  |  | 1,339 |  |  | 115 |  |  | 495,148 |
December 31, 2015 | 444,070 |  |  | 1,069 |  |  | 63 |  |  | 445,202 |
December 31, 2016 | 507,531 |  |  | 839 |  |  | 8,255 |  |  | 516,625 |
Natural Gas Liquids (MBbl) |  |  |  |  |  |  |  |  |  |  |
December 31, 2013 | 199,964 |  |  | — |  |  | 896 |  |  | 200,860 |
December 31, 2014 | 264,611 |  |  | — |  |  | 138 |  |  | 264,749 |
December 31, 2015 | 205,898 |  |  | — |  |  | — |  |  | 205,898 |
December 31, 2016 | 230,219 |  |  | — |  |  | — |  |  | 230,219 |
Natural Gas (Bcf) |  |  |  |  |  |  |  |  |  |  |
December 31, 2013 | 2,597.3 |  |  | 494.6 |  |  | 121.5 |  |  | 3,213.4 |
December 31, 2014 | 3,102.8 |  |  | 396.9 |  |  | 28.6 |  |  | 3,528.3 |
December 31, 2015 | 2,211.2 |  |  | 297.6 |  |  | 19.5 |  |  | 2,528.3 |
December 31, 2016 | 1,804.4 |  |  | 262.2 |  |  | 15.8 |  |  | 2,082.4 |
Oil Equivalents (MBoe) |  |  |  |  |  |  |  |  |  |  |
December 31, 2013 | 1,015,359 |  |  | 83,933 |  |  | 28,184 |  |  | 1,127,476 |
December 31, 2014 | 1,275,447 |  |  | 67,484 |  |  | 5,016 |  |  | 1,347,947 |
December 31, 2015 | 1,018,491 |  |  | 50,677 |  |  | 3,309 |  |  | 1,072,477 |
December 31, 2016 | 1,038,483 |  |  | 44,543 |  |  | 10,880 |  |  | 1,093,906 |
NET PROVED UNDEVELOPED RESERVES |  |  |  |  |  |  |  |  |  |  |
Crude Oil (MBbl) |  |  |  |  |  |  |  |  |  |  |
December 31, 2013 | 497,532 |  |  | 85 |  |  | 11,867 |  |  | 509,484 |
December 31, 2014 | 635,988 |  |  | — |  |  | 8,614 |  |  | 644,602 |
December 31, 2015 | 643,790 |  |  | — |  |  | 8,604 |  |  | 652,394 |
December 31, 2016 | 660,960 |  |  | — |  |  | — |  |  | 660,960 |
Natural Gas Liquids (MBbl) |  |  |  |  |  |  |  |  |  |  |
December 31, 2013 | 176,038 |  |  | — |  |  | 308 |  |  | 176,346 |
December 31, 2014 | 202,319 |  |  | — |  |  | — |  |  | 202,319 |
December 31, 2015 | 176,977 |  |  | — |  |  | — |  |  | 176,977 |
December 31, 2016 | 186,147 |  |  | — |  |  | — |  |  | 186,147 |
Natural Gas (Bcf) |  |  |  |  |  |  |  |  |  |  |
December 31, 2013 | 1,801.4 |  |  | 26.1 |  |  | 3.9 |  |  | 1,831.4 |
December 31, 2014 | 1,802.7 |  |  | 8.7 |  |  | 2.9 |  |  | 1,814.3 |
December 31, 2015 | 1,278.6 |  |  | 19.0 |  |  | — |  |  | 1,297.6 |
December 31, 2016 | 1,216.8 |  |  | 18.7 |  |  | — |  |  | 1,235.5 |
Oil Equivalents (MBoe) |  |  |  |  |  |  |  |  |  |  |
December 31, 2013 | 973,807 |  |  | 4,431 |  |  | 12,829 |  |  | 991,067 |
December 31, 2014 | 1,138,755 |  |  | 1,453 |  |  | 9,101 |  |  | 1,149,309 |
December 31, 2015 | 1,033,870 |  |  | 3,166 |  |  | 8,604 |  |  | 1,045,640 |
December 31, 2016 | 1,049,909 |  |  | 3,118 |  |  | — |  |  | 1,053,027 |
(1) | Other International includes EOG's United Kingdom, China, Canada and Argentina operations. The Argentina operations were sold in the third quarter of 2016.
Net Proved Undeveloped Reserves | The following table presents the changes in EOG's total proved undeveloped reserves during 2016, 2015 and 2014 (in MBoe):
| 2016 |  | 2015 |  | 2014
Balance at January 1 | 1,045,640 |  |  | 1,149,309 |  |  | 991,067 |
Extensions and Discoveries | 138,101 |  |  | 205,152 |  |  | 403,713 |
Revisions | 64,413 |  |  | (241,973 | ) |  | (79,630 | )
Acquisition of Reserves | — |  |  | 54,458 |  |  | 4,239 |
Sale of Reserves | (45,917 | ) |  | — |  |  | (10,176 | )
Conversion to Proved Developed Reserves | (149,210 | ) |  | (121,306 | ) |  | (159,904 | )
Balance at December 31 | 1,053,027 |  |  | 1,045,640 |  |  | 1,149,309 |
Capitalized Costs Relating to Oil and Gas Producing Activities | The following table sets forth the capitalized costs relating to EOG's crude oil and natural gas producing activities at December 31, 2016 and 2015:
| 2016 |  | 2015
Proved properties | $ | 45,751,965 |  |  | $ | 49,623,518 |
Unproved properties | 3,840,126 |  |  | 989,723 |
Total | 49,592,091 |  |  | 50,613,241 |
Accumulated depreciation, depletion and amortization | (26,247,062 | ) |  | (28,877,593 | )
Net capitalized costs | $ | 23,345,029 |  |  | $ | 21,735,648 |
Costs Incurred in Oil and Gas Property Acquisition, Exploration and Development Activities | The following table sets forth costs incurred related to EOG's oil and gas activities for the years ended December 31, 2016, 2015 and 2014:
| United States |  | Trinidad |  | Other International (1) |  | Total
2016 |  |  |  |  |  |  |
Acquisition Costs of Properties |  |  |  |  |  |  |
Unproved (2) | $ | 3,216,598 |  |  | $ | — |  |  | $ | 36 |  |  | $ | 3,216,634 |
Proved (3) | 749,023 |  |  | — |  |  | — |  |  | 749,023 |
Subtotal | 3,965,621 |  |  | — |  |  | 36 |  |  | 3,965,657 |
Exploration Costs | 156,295 |  |  | 2,695 |  |  | 6,761 |  |  | 165,751 |
Development Costs (4) | 2,252,713 |  |  | 72,147 |  |  | (10,984 | ) |  | 2,313,876 |
Total | $ | 6,374,629 |  |  | $ | 74,842 |  |  | $ | (4,187 | ) |  | $ | 6,445,284 |
2015 |  |  |  |  |  |  |  |  |  |  |
Acquisition Costs of Properties |  |  |  |  |  |  |  |  |  |  |
Unproved | $ | 133,801 |  |  | $ | — |  |  | $ | 56 |  |  | $ | 133,857 |
Proved | 480,617 |  |  | — |  |  | — |  |  | 480,617 |
Subtotal | 614,418 |  |  | — |  |  | 56 |  |  | 614,474 |
Exploration Costs | 206,814 |  |  | 22,837 |  |  | 23,041 |  |  | 252,692 |
Development Costs (5) | 3,847,813 |  |  | 102,715 |  |  | 110,589 |  |  | 4,061,117 |
Total | $ | 4,669,045 |  |  | $ | 125,552 |  |  | $ | 133,686 |  |  | $ | 4,928,283 |
2014 |  |  |  |  |  |  |  |  |  |  |
Acquisition Costs of Properties |  |  |  |  |  |  |  |  |  |  |
Unproved | $ | 365,915 |  |  | $ | — |  |  | $ | 4,499 |  |  | $ | 370,414 |
Proved | 138,772 |  |  | — |  |  | 329 |  |  | 139,101 |
Subtotal | 504,687 |  |  | — |  |  | 4,828 |  |  | 509,515 |
Exploration Costs | 332,703 |  |  | 2,794 |  |  | 60,476 |  |  | 395,973 |
Development Costs (6) | 6,638,192 |  |  | 89,555 |  |  | 271,534 |  |  | 6,999,281 |
Total | $ | 7,475,582 |  |  | $ | 92,349 |  |  | $ | 336,838 |  |  | $ | 7,904,769 |
(1) | Other International primarily consists of EOG's United Kingdom, China, Canada and Argentina operations. The Argentina operations were sold in the third quarter of 2016.
(2) | Includes non-cash unproved leasehold acquisition costs of $3,102 million related to the Yates transaction.
(3) | Includes non-cash proved property acquisition costs of $732 million related to the Yates transaction.
(4) | Includes Asset Retirement Costs of $25 million, $(3) million and $(42) million for the United States, Trinidad and Other International, respectively. Excludes other property, plant and equipment.
(5) | Includes Asset Retirement Costs of $32 million, $15 million and $6 million for the United States, Trinidad and Other International, respectively. Excludes other property, plant and equipment.
(6) | Includes Asset Retirement Costs of $149 million, $14 million and $33 million for the United States, Trinidad and Other International, respectively. Excludes other property, plant and equipment.
Results of Operations for Oil and Gas Producing Activities | Results of Operations for Oil and Gas Producing Activities (1). The following table sets forth results of operations for oil and gas producing activities for the years ended December 31, 2016, 2015 and 2014:
| United States |  | Trinidad |  | Other International (2) |  | Total
2016 |  |  |  |  |  |  |
Crude Oil and Condensate, Natural Gas Liquids and Natural Gas Revenues | $ | 5,177,989 |  |  | $ | 243,708 |  |  | $ | 75,046 |  |  | $ | 5,496,743 |
Other | 81,386 |  |  | (8 | ) |  | 25 |  |  | 81,403 |
Total | 5,259,375 |  |  | 243,700 |  |  | 75,071 |  |  | 5,578,146 |
Exploration Costs | 115,990 |  |  | 2,647 |  |  | 6,316 |  |  | 124,953 |
Dry Hole Costs | 10,529 |  |  | — |  |  | 128 |  |  | 10,657 |
Transportation Costs | 753,791 |  |  | 1,181 |  |  | 9,134 |  |  | 764,106 |
Production Costs | 1,163,827 |  |  | 27,113 |  |  | 63,073 |  |  | 1,254,013 |
Impairments | 611,297 |  |  | 7,773 |  |  | 1,197 |  |  | 620,267 |
Depreciation, Depletion and Amortization | 3,249,792 |  |  | 145,440 |  |  | 42,052 |  |  | 3,437,284 |
Income (Loss) Before Income Taxes | (645,851 | ) |  | 59,546 |  |  | (46,829 | ) |  | (633,134 | )
Income Tax Provision (Benefit) | (230,377 | ) |  | 5,526 |  |  | (1,562 | ) |  | (226,413 | )
Results of Operations | $ | (415,474 | ) |  | $ | 54,020 |  |  | $ | (45,267 | ) |  | $ | (406,721 | )
2015 |  |  |  |  |  |  |  |  |  |  |
Crude Oil and Condensate, Natural Gas Liquids and Natural Gas Revenues | $ | 5,962,753 |  |  | $ | 381,761 |  |  | $ | 58,744 |  |  | $ | 6,403,258 |
Other | 47,464 |  |  | (3 | ) |  | 448 |  |  | 47,909 |
Total | 6,010,217 |  |  | 381,758 |  |  | 59,192 |  |  | 6,451,167 |
Exploration Costs | 139,753 |  |  | 2,071 |  |  | 7,670 |  |  | 149,494 |
Dry Hole Costs | 956 |  |  | 5,635 |  |  | 8,155 |  |  | 14,746 |
Transportation Costs | 838,428 |  |  | 1,290 |  |  | 9,601 |  |  | 849,319 |
Production Costs | 1,486,189 |  |  | 28,862 |  |  | 66,080 |  |  | 1,581,131 |
Impairments | 6,402,908 |  |  | — |  |  | 210,638 |  |  | 6,613,546 |
Depreciation, Depletion and Amortization | 3,017,386 |  |  | 154,588 |  |  | 18,469 |  |  | 3,190,443 |
Income (Loss) Before Income Taxes | (5,875,403 | ) |  | 189,312 |  |  | (261,421 | ) |  | (5,947,512 | )
Income Tax Provision (Benefit) | (2,128,183 | ) |  | 43,739 |  |  | (2,111 | ) |  | (2,086,555 | )
Results of Operations | $ | (3,747,220 | ) |  | $ | 145,573 |  |  | $ | (259,310 | ) |  | $ | (3,860,957 | )
2014 |  |  |  |  |  |  |  |  |  |  |
Crude Oil and Condensate, Natural Gas Liquids and Natural Gas Revenues | $ | 11,771,777 |  |  | $ | 512,675 |  |  | $ | 308,465 |  |  | $ | 12,592,917 |
Other | 49,950 |  |  | 37 |  |  | 4,257 |  |  | 54,244 |
Total | 11,821,727 |  |  | 512,712 |  |  | 312,722 |  |  | 12,647,161 |
Exploration Costs | 162,434 |  |  | 2,185 |  |  | 19,769 |  |  | 184,388 |
Dry Hole Costs | 25,408 |  |  | — |  |  | 23,082 |  |  | 48,490 |
Transportation Costs | 957,522 |  |  | 617 |  |  | 14,037 |  |  | 972,176 |
Production Costs | 1,940,074 |  |  | 38,301 |  |  | 171,652 |  |  | 2,150,027 |
Impairments | 331,792 |  |  | — |  |  | 411,783 |  |  | 743,575 |
Depreciation, Depletion and Amortization | 3,571,313 |  |  | 188,250 |  |  | 122,157 |  |  | 3,881,720 |
Income (Loss) Before Income Taxes | 4,833,184 |  |  | 283,359 |  |  | (449,758 | ) |  | 4,666,785 |
Income Tax Provision | 1,722,914 |  |  | 74,588 |  |  | 23,602 |  |  | 1,821,104 |
Results of Operations | $ | 3,110,270 |  |  | $ | 208,771 |  |  | $ | (473,360 | ) |  | $ | 2,845,681 |
(1) | Excludes gains or losses on the mark-to-market of financial commodity derivative contracts, gains or losses on sales of reserves and related assets, interest charges and general corporate expenses for each of the three years in the period ended December 31, 2016.
(2) | Other International primarily consists of EOG's United Kingdom, China, Canada and Argentina operations. The Argentina operations were sold in the third quarter of 2016.
Production Costs Per Barrel of Oil Equivalent | The following table sets forth production costs per barrel of oil equivalent, excluding severance/production and ad valorem taxes, for the years ended December 31, 2016, 2015 and 2014:
| United States |  | Trinidad |  | Other International (1) |  | Composite
Year Ended December 31, 2016 | $ | 4.58 |  |  | $ | 1.23 |  |  | $ | 22.43 |  |  | $ | 4.48 |
Year Ended December 31, 2015 | $ | 5.81 |  |  | $ | 1.29 |  |  | $ | 33.78 |  |  | $ | 5.85 |
Year Ended December 31, 2014 | $ | 6.44 |  |  | $ | 1.34 |  |  | $ | 24.60 |  |  | $ | 6.46 |
(1) | Other International primarily consists of EOG's United Kingdom, China, Canada and Argentina operations. The Argentina operations were sold in the third quarter of 2016.
Standardized Measure of Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves Table | The following table sets forth the standardized measure of discounted future net cash flows from projected production of EOG's oil and gas reserves for the years ended December 31, 2016, 2015 and 2014:
| United States |  | Trinidad |  | Other International (1) |  | Total
2016 |  |  |  |  |  |  |
Future cash inflows (2) | $ | 57,913,314 |  |  | $ | 524,523 |  |  | $ | 402,587 |  |  | $ | 58,840,424 |
Future production costs | (27,625,833 | ) |  | (165,757 | ) |  | (227,293 | ) |  | (28,018,883 | )
Future development costs | (12,602,699 | ) |  | (103,631 | ) |  | (35,602 | ) |  | (12,741,932 | )
Future income taxes | (3,151,319 | ) |  | (60,001 | ) |  | — |  |  | (3,211,320 | )
Future net cash flows | 14,533,463 |  |  | 195,134 |  |  | 139,692 |  |  | 14,868,289 |
Discount to present value at 10% annual rate | (6,039,736 | ) |  | (9,384 | ) |  | (7,012 | ) |  | (6,056,132 | )
Standardized measure of discounted future net cash flows relating to proved oil and gas reserves | $ | 8,493,727 |  |  | $ | 185,750 |  |  | $ | 132,680 |  |  | $ | 8,812,157 |
2015 |  |  |  |  |  |  |  |  |  |  |
Future cash inflows (3) | $ | 67,242,928 |  |  | $ | 954,779 |  |  | $ | 522,941 |  |  | $ | 68,720,648 |
Future production costs | (31,707,743 | ) |  | (183,607 | ) |  | (169,505 | ) |  | (32,060,855 | )
Future development costs | (15,579,923 | ) |  | (140,541 | ) |  | (65,347 | ) |  | (15,785,811 | )
Future income taxes | (4,400,542 | ) |  | (215,659 | ) |  | — |  |  | (4,616,201 | )
Future net cash flows | 15,554,720 |  |  | 414,972 |  |  | 288,089 |  |  | 16,257,781 |
Discount to present value at 10% annual rate | (6,589,253 | ) |  | (33,848 | ) |  | (13,284 | ) |  | (6,636,385 | )
Standardized measure of discounted future net cash flows relating to proved oil and gas reserves | $ | 8,965,467 |  |  | $ | 381,124 |  |  | $ | 274,805 |  |  | $ | 9,621,396 |
2014 |  |  |  |  |  |  |  |  |  |  |
Future cash inflows (4) | $ | 144,355,692 |  |  | $ | 1,615,280 |  |  | $ | 979,249 |  |  | $ | 146,950,221 |
Future production costs | (51,112,604 | ) |  | (277,844 | ) |  | (242,845 | ) |  | (51,633,293 | )
Future development costs | (20,270,439 | ) |  | (84,576 | ) |  | (139,750 | ) |  | (20,494,765 | )
Future income taxes | (22,725,618 | ) |  | (460,096 | ) |  | — |  |  | (23,185,714 | )
Future net cash flows | 50,247,031 |  |  | 792,764 |  |  | 596,654 |  |  | 51,636,449 |
Discount to present value at 10% annual rate | (23,542,990 | ) |  | (110,228 | ) |  | (59,813 | ) |  | (23,713,031 | )
Standardized measure of discounted future net cash flows relating to proved oil and gas reserves | $ | 26,704,041 |  |  | $ | 682,536 |  |  | $ | 536,841 |  |  | $ | 27,923,418 |
(1) | Other International includes EOG's United Kingdom, China, Canada and Argentina operations. The Argentina operations were sold in the third quarter of 2016.
(2) | Estimated crude oil prices used to calculate 2016 future cash inflows for the United States, Trinidad and Other International were $40.70, $34.79 and $39.55, respectively. Estimated NGL price used to calculate 2016 future cash inflows for the United States was $14.69. Estimated natural gas prices used to calculate 2016 future cash inflows for the United States, Trinidad and Other International were $1.40, $1.76 and $4.84, respectively.
(3) | Estimated crude oil prices used to calculate 2015 future cash inflows for the United States, Trinidad and Other International were $49.58, $38.83 and $47.76, respectively. Estimated NGL price used to calculate 2015 future cash inflows for the United States was $15.17. Estimated natural gas prices used to calculate 2015 future cash inflows for the United States, Trinidad and Other International were $2.15, $2.88 and $5.60, respectively.
(4) | Estimated crude oil prices used to calculate 2014 future cash inflows for the United States, Trinidad and Other International were $97.51, $80.60 and $94.09, respectively. Estimated NGL prices used to calculate 2014 future cash inflows for the United States and Other International were $34.29 and $27.03, respectively. Estimated natural gas prices used to calculate 2014 future cash inflows for the United States, Trinidad and Other International were $3.71, $3.71 and $5.14, respectively.
Changes in Standardized Measure of Discounted Future Net Cash Flows Relating to Proved Reserves | The following table sets forth the changes in the standardized measure of discounted future net cash flows at December 31, for each of the three years in the period ended December 31, 2016:
| United States |  | Trinidad |  | Other International (1) |  | Total
December 31, 2013 | $ | 19,576,901 |  |  | $ | 876,640 |  |  | $ | 879,891 |  |  | $ | 21,333,432 |
Sales and transfers of oil and gas produced, net of production costs | (8,874,180 | ) |  | (473,757 | ) |  | (122,777 | ) |  | (9,470,714 | )
Net changes in prices and production costs | 1,481,668 |  |  | (12,079 | ) |  | (206,412 | ) |  | 1,263,177 |
Extensions, discoveries, additions and improved recovery, net of related costs | 8,074,550 |  |  | 3,113 |  |  | 6,189 |  |  | 8,083,852 |
Development costs incurred | 2,818,800 |  |  | 12,800 |  |  | 3,500 |  |  | 2,835,100 |
Revisions of estimated development cost | 1,696,916 |  |  | 9,981 |  |  | 95,838 |  |  | 1,802,735 |
Revisions of previous quantity estimates | 1,741,918 |  |  | 35,001 |  |  | 35,613 |  |  | 1,812,532 |
Accretion of discount | 2,612,286 |  |  | 133,019 |  |  | 88,045 |  |  | 2,833,350 |
Net change in income taxes | (3,743,300 | ) |  | 91,438 |  |  | 562 |  |  | (3,651,300 | )
Purchases of reserves in place | 317,785 |  |  | — |  |  | — |  |  | 317,785 |
Sales of reserves in place | (189,808 | ) |  | — |  |  | (289,071 | ) |  | (478,879 | )
Changes in timing and other | 1,190,505 |  |  | 6,380 |  |  | 45,463 |  |  | 1,242,348 |
December 31, 2014 | 26,704,041 |  |  | 682,536 |  |  | 536,841 |  |  | 27,923,418 |
Sales and transfers of oil and gas produced, net of production costs | (3,685,600 | ) |  | (351,606 | ) |  | 16,489 |  |  | (4,020,717 | )
Net changes in prices and production costs | (29,993,699 | ) |  | (370,503 | ) |  | (305,148 | ) |  | (30,669,350 | )
Extensions, discoveries, additions and improved recovery, net of related costs | 1,028,410 |  |  | 47,613 |  |  | 19,875 |  |  | 1,095,898 |
Development costs incurred | 2,135,800 |  |  | 500 |  |  | 1,400 |  |  | 2,137,700 |
Revisions of estimated development cost | 4,087,093 |  |  | (34,647 | ) |  | 26,935 |  |  | 4,079,381 |
Revisions of previous quantity estimates | (4,084,572 | ) |  | 33,285 |  |  | (587 | ) |  | (4,051,874 | )
Accretion of discount | 3,699,330 |  |  | 104,464 |  |  | 53,685 |  |  | 3,857,479 |
Net change in income taxes | 9,550,847 |  |  | 177,576 |  |  | — |  |  | 9,728,423 |
Purchases of reserves in place | 123,542 |  |  | — |  |  | — |  |  | 123,542 |
Sales of reserves in place | (23,424 | ) |  | — |  |  | (13,664 | ) |  | (37,088 | )
Changes in timing and other | (576,301 | ) |  | 91,906 |  |  | (61,021 | ) |  | (545,416 | )
December 31, 2015 | 8,965,467 |  |  | 381,124 |  |  | 274,805 |  |  | 9,621,396 |
Sales and transfers of oil and gas produced, net of production costs | (3,260,372 | ) |  | (215,414 | ) |  | (2,839 | ) |  | (3,478,625 | )
Net changes in prices and production costs | (3,352,802 | ) |  | (182,876 | ) |  | (143,924 | ) |  | (3,679,602 | )
Extensions, discoveries, additions and improved recovery, net of related costs | 865,066 |  |  | 42,201 |  |  | — |  |  | 907,267 |
Development costs incurred | 1,207,000 |  |  | 3,900 |  |  | 19,100 |  |  | 1,230,000 |
Revisions of estimated development cost | 2,092,769 |  |  | 22,596 |  |  | 6,343 |  |  | 2,121,708 |
Revisions of previous quantity estimates | 1,013,753 |  |  | 36,648 |  |  | 2,619 |  |  | 1,053,020 |
Accretion of discount | 970,388 |  |  | 56,566 |  |  | 27,481 |  |  | 1,054,435 |
Net change in income taxes | 738,416 |  |  | 129,622 |  |  | — |  |  | 868,038 |
Purchases of reserves in place | 377,872 |  |  | — |  |  | — |  |  | 377,872 |
Sales of reserves in place | (375,793 | ) |  | — |  |  | — |  |  | (375,793 | )
Changes in timing and other | (748,037 | ) |  | (88,617 | ) |  | (50,905 | ) |  | (887,559 | )
December 31, 2016 | $ | 8,493,727 |  |  | $ | 185,750 |  |  | $ | 132,680 |  |  | $ | 8,812,157 |
(1) | Other International includes EOG's United Kingdom, China, Canada and Argentina operations. The Argentina operations were sold in the third quarter of 2016.

X
- Definition Net Proved Undeveloped Reserves [Table Text Block] + References No definition available. + Details
Name: | eog_NetProvedUndevelopedReservesTableTextBlock
Namespace Prefix: | eog_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Information related to the average production costs per barrel of oil equivalent for oil and gas producing activities. + References No definition available. + Details
Name: | eog_ProductionCostsPerBarrelOfOilEquivalentTextBlock
Namespace Prefix: | eog_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the net quantities of an enterprise's interests in net proved and proved developed of (a) crude oil (including condensate and natural gas liquids), (b) natural gas (including coal bed methane), (c) synthetic oil, (d) synthetic gas, and (e) other nonrenewable natural resources that are intended to be upgraded during the period as of the beginning of the period, changes in quantities during the period, and as of the end of the period. + References No definition available. + Details
Name: | eog_ScheduleOfNetProvedAndProvedDevelopedOilAndGasReserveQuantitiesTableTextBlock
Namespace Prefix: | eog_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the net quantities of an enterprise's interests in net proved developed and net proved undeveloped of (a) crude oil (including condensate and natural gas liquids), (b) natural gas (including coal bed methane), (c) synthetic oil, (d) synthetic gas, and (e) other nonrenewable natural resources that are intended to be upgraded during the period as of the beginning of the period, changes in quantities during the period, and as of the end of the period. + References No definition available. + Details
Name: | eog_ScheduleOfNetProvedDevelopedAndNetProvedUndevelopedOilAndGasReserveQuantitiesTableTextBlock
Namespace Prefix: | eog_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of aggregate capitalized costs relating to an enterprise's oil and gas producing activities and the aggregate related accumulated depreciation, depletion, amortization, and valuation allowances. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=68064819&loc=d3e61901-109447 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 55 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=34713648&loc=d3e63019-109448 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=68064819&loc=d3e61929-109447 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 14 -URI http://asc.fasb.org/extlink&oid=68064819&loc=d3e61926-109447 + Details
Name: | us-gaap_CapitalizedCostsRelatingToOilAndGasProducingActivitiesDisclosureTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the aggregate of costs (whether the costs are capitalized or charged to expense at the time they are incurred ) incurred for the year in oil and gas property acquisition, exploration and development activities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 55 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=34713648&loc=d3e63042-109448 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=68064819&loc=d3e62059-109447 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 19 -URI http://asc.fasb.org/extlink&oid=68064819&loc=d3e62038-109447 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=68064819&loc=d3e62014-109447 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=6392692&loc=d3e7535-110849 + Details
Name: | us-gaap_CostIncurredInOilAndGasPropertyAcquisitionExplorationAndDevelopmentActivitiesDisclosureTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_OilAndGasExplorationAndProductionIndustriesDisclosuresAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the results of operations for oil and gas producing activities for the year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 27 -URI http://asc.fasb.org/extlink&oid=68064819&loc=d3e62352-109447 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=68064819&loc=d3e62246-109447 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 23 -URI http://asc.fasb.org/extlink&oid=68064819&loc=d3e62136-109447 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-10.(a)(17)(ii),(c)(3)(ii)(A)(1)) -URI http://asc.fasb.org/extlink&oid=50486907&loc=d3e511914-122862 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 25 -URI http://asc.fasb.org/extlink&oid=68064819&loc=d3e62259-109447 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 26 -URI http://asc.fasb.org/extlink&oid=68064819&loc=d3e62299-109447 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 22 -URI http://asc.fasb.org/extlink&oid=68064819&loc=d3e62094-109447 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=68064819&loc=d3e62395-109447 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=6392692&loc=d3e7535-110849 Reference 10: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 55 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=34713648&loc=d3e63071-109448 + Details
Name: | us-gaap_ResultsOfOperationsForOilAndGasProducingActivitiesDisclosureTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the aggregate change in the standardized measure of discounted future net cash flows relating to proved oil and gas reserves and oil and gas subject to purchases under long-term agreements in which the enterprise participates in the operation of the properties on which oil and gas is located or otherwise serves as the producer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 35 -URI http://asc.fasb.org/extlink&oid=68064819&loc=d3e62500-109447 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 36 -URI http://asc.fasb.org/extlink&oid=68064819&loc=d3e62536-109447 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 34 -URI http://asc.fasb.org/extlink&oid=68064819&loc=d3e62496-109447 + Details
Name: | us-gaap_ScheduleOfChangesInStandardizedMeasureOfDiscountedFutureNetCashFlowsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the future net cash flows relating to proved oil and gas reserves and oil and gas subject to purchase under long-term agreements in which the enterprise participates in the operation of the properties on which the oil and gas is located or otherwise serves as the producer. This information is presented in aggregate and for each geographic area for which reserve quantities are disclosed. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 30 -URI http://asc.fasb.org/extlink&oid=68064819&loc=d3e62424-109447 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 32 -URI http://asc.fasb.org/extlink&oid=68064819&loc=d3e62476-109447 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 36 -URI http://asc.fasb.org/extlink&oid=68064819&loc=d3e62536-109447 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 35 -URI http://asc.fasb.org/extlink&oid=68064819&loc=d3e62500-109447 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 31 -URI http://asc.fasb.org/extlink&oid=68064819&loc=d3e62455-109447 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=68064819&loc=d3e62479-109447 + Details
Name: | us-gaap_StandardizedMeasureOfDiscountedFutureCashFlowsRelatingToProvedReservesDisclosureTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration