Page 139

APACHE CORPORATION AND SUBSIDIARIES NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – (Continued)

Proved developed reserves: December 31, 2012 . . . . . . . . . . . December 31, 2013 . . . . . . . . . . . December 31, 2014 . . . . . . . . . . . December 31, 2015 . . . . . . . . . . . Proved undeveloped reserves: December 31, 2012 . . . . . . . . . . . December 31, 2013 . . . . . . . . . . . December 31, 2014 . . . . . . . . . . . December 31, 2015 . . . . . . . . . . . Total proved reserves: Balance December 31, 2012 . . . . . . Extensions, discoveries and other additions . . . . . . . . . . . . . . . . . . Purchase of minerals in-place . . . Revisions of previous estimates . . . . . . . . . . . . . . . . . Production . . . . . . . . . . . . . . . . . . Sale of properties . . . . . . . . . . . . .

United States

Canada

Natural Gas (Millions of cubic feet) North Egypt(1) Australia Sea Argentina

2,353,587 2,005,966 1,616,504 1,364,174

1,734,657 1,294,420 990,145 759,321

690,436 621,825 637,187 776,263

596,052 626,543 640,265 -

93,319 88,177 87,259 85,532

365,054 289,133 -

5,833,105 4,926,064 3,971,360 2,985,290

832,320 667,160 580,299 208,594

403,227 439,037 527,623 162,809

205,055 190,355 171,696 53,969

1,074,018 975,224 964,554 -

18,985 18,988 23,228 19,760

97,496 121,584 -

2,631,101 2,412,348 2,267,400 445,132

3,185,907

2,137,884

895,491

1,670,070

112,304

462,550

8,464,206

306,721 855

359,493 -

44,382 -

13,351 -

2,750 10,680

16,515 -

743,212 11,535

49 (68,397)

173,191 (765,437)

61,247 (285,187)

109,551 2,413 (181,593) (130,106)

(596,417)

(691,878)

-

(101) 32 (81,553) (18,601) -

-

Balance December 31, 2013 . . . . . . 2,673,126 1,733,457 812,180 1,601,767 107,165 Extensions, discoveries and other additions . . . . . . . . . . . . . . . . . . 203,318 383,077 125,899 81,156 23,803 Purchase of minerals in-place . . . 21,337 Revisions of previous estimates . . . . . . . . . . . . . . . . . 35,910 (12,626) 5,949 (54) Production . . . . . . . . . . . . . . . . . . (215,829) (117,816) (135,145) (78,104) (20,427) Sale of properties . . . . . . . . . . . . . (521,059) (468,324) Balance December 31, 2014 . . . . . . 2,196,803 1,517,768 808,883 1,604,819 110,487 Extensions, discoveries and other additions . . . . . . . . . . . . . . . . . . 40,901 121,216 94,777 41,755 Purchase of minerals in-place . . . 24,727 Revisions of previous estimates . . . . . . . . . . . . . . . . . (503,939) (325,375) 54,811 8,162 (22,373) Production . . . . . . . . . . . . . . . . . . (160,614) (100,289) (128,239) (34,352) (23,647) Sale of properties . . . . . . . . . . . . .

(383)

Balance December 31, 2015 . . . . . . 1,572,768

(315,917) 922,130

(1)

- (1,578,629) 830,232

-

(930) 105,292

-

Total(1)

(1,288,295)

410,717

7,338,412

-

817,253 21,337

(12,722) (397,995)

29,179 (580,043) (1,387,378)

-

6,238,760

-

298,649 24,727

-

(788,714) (447,141)

-

(1,895,859)

-

3,430,422

2015, 2014, and 2013 include proved reserves of 277 Bcf, 270 Bcf, and 271 Bcf, respectively, attributable to a noncontrolling interest in Egypt.

F-57

Apache 2015 Summary Annual Report  

Adapting to a changing environment

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