|
Supplemental Information on Oil and Gas Producing Activities (Tables)
|
12 Months Ended |
|
Dec. 31, 2014
|
| Extractive Industries [Abstract] |
|
| Costs Incurred in Oil and Gas Property - Acquisition, Exploration and Development Activities |
|
(In thousands)
|
|
United States
|
|
|
|
|
2014
|
|
|
2013
|
|
|
2012
|
|
|
Costs incurred during the year:
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Exploration - capitalized
|
|
$
|
-
|
|
|
$
|
-
|
|
|
$
|
2,602
|
|
|
Exploration - expensed
|
|
|
-
|
|
|
|
11,497
|
|
|
|
38,159
|
|
|
Acquisition
|
|
|
-
|
|
|
|
-
|
|
|
|
1,630
|
|
|
Development
|
|
|
8
|
|
|
|
113
|
|
|
|
9,689
|
|
|
Total
|
|
$
|
8
|
|
|
$
|
11,610
|
|
|
$
|
52,080
|
|
|
(In thousands)
|
|
International
|
|
|
|
|
2014
|
|
|
2013
|
|
|
2012
|
|
|
Costs incurred during the year:
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Exploration - capitalized
|
|
$
|
-
|
|
|
$
|
2,942
|
|
|
$
|
5,916
|
|
|
Exploration - expensed
|
|
|
15,358
|
|
|
|
12,431
|
|
|
|
2,878
|
|
|
Acquisition
|
|
|
-
|
|
|
|
-
|
|
|
|
10,000
|
|
|
Development
|
|
|
79,722
|
|
|
|
54,420
|
|
|
|
4,022
|
|
|
Total
|
|
$
|
95,080
|
|
|
$
|
69,793
|
|
|
$
|
22,816
|
|
|
| Capitalized Costs Relating to Oil and Gas Producing Activities |
|
|
|
December 31,
|
|
|
|
|
2014
|
|
|
2013
|
|
|
2012
|
|
|
Capitalized costs -
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Properties not being amortized
|
|
$
|
47,290
|
|
|
$
|
88,194
|
|
|
$
|
66,794
|
|
|
Properties being amortized (1)
|
|
|
347,186
|
|
|
|
222,032
|
|
|
|
195,329
|
|
|
Total capitalized costs
|
|
$
|
394,476
|
|
|
$
|
310,226
|
|
|
$
|
262,123
|
|
|
Less accumulated depreciation, depletion, and
amortization
|
|
|
(289,272
|
)
|
|
|
(171,854
|
)
|
|
|
(155,681
|
)
|
|
Net capitalized costs
|
|
$
|
105,204
|
|
|
$
|
138,372
|
|
|
$
|
106,442
|
|
|
(1)
|
Includes $5.2 million, $5.2 million, and $4.7 million asset retirement cost in 2014, 2013, and 2012, respectively.
|
|
| Results of Operations for Oil and Gas Producing Activities |
|
|
|
United States
|
|
|
International
|
|
|
|
|
2014
|
|
|
2013
|
|
|
2012
|
|
|
2014
|
|
|
2013
|
|
|
2012
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Gabon
|
|
|
Gabon
|
|
|
Gabon
|
|
|
Crude oil and gas sales
|
|
$
|
1,369
|
|
|
$
|
1,891
|
|
|
$
|
2,798
|
|
|
$
|
126,322
|
|
|
$
|
167,386
|
|
|
$
|
192,489
|
|
|
Production, G&A and other expense
|
|
|
(467
|
)
|
|
|
(12,232
|
)
|
|
|
(47,866
|
)
|
|
|
(150,602
|
)
|
|
|
(52,776
|
)
|
|
|
(27,425
|
)
|
|
Depreciation, depletion and amortization
|
|
|
(901
|
)
|
|
|
(1,528
|
)
|
|
|
(3,872
|
)
|
|
|
(19,079
|
)
|
|
|
(15,302
|
)
|
|
|
(15,954
|
)
|
|
Income tax
|
|
|
-
|
|
|
|
-
|
|
|
|
-
|
|
|
|
(22,486
|
)
|
|
|
(34,115
|
)
|
|
|
(81,813
|
)
|
|
Results from oil and gas producing activities
|
|
$
|
1
|
|
|
$
|
(11,869
|
)
|
|
$
|
(48,940
|
)
|
|
$
|
(65,845
|
)
|
|
$
|
65,193
|
|
|
$
|
67,297
|
|
|
| Net Proved Reserves |
|
Proved Reserves:
|
|
Oil (MBbls)
|
|
|
Gas (MMCF)
|
|
|
Balance at January 1, 2012
|
|
|
6,048
|
|
|
|
1,925
|
|
|
Production
|
|
|
(1,741
|
)
|
|
|
(532
|
)
|
|
Revisions of previous estimates
|
|
|
2,200
|
|
|
|
151
|
|
|
Extensions and discoveries
|
|
|
981
|
|
|
|
-
|
|
|
Balance at December 31, 2012
|
|
|
7,488
|
|
|
|
1,544
|
|
|
Production
|
|
|
(1,549
|
)
|
|
|
(325
|
)
|
|
Revisions of previous estimates
|
|
|
771
|
|
|
|
114
|
|
|
Extensions and discoveries
|
|
|
522
|
|
|
|
-
|
|
|
Balance at December 31, 2013
|
|
|
7,232
|
|
|
|
1,333
|
|
|
Production
|
|
|
(1,351
|
)
|
|
|
(227
|
)
|
|
Revisions of previous estimates
|
|
|
2,312
|
|
|
|
300
|
|
|
Extensions and discoveries
|
|
|
67
|
|
|
|
-
|
|
|
Balance at December 31, 2014
|
|
|
8,260
|
|
|
|
1,406
|
|
|
Proved Developed Reserves
|
|
Oil (MBbls)
|
|
|
Gas (MMCF)
|
|
|
Balance at January 1, 2012
|
|
|
3,854
|
|
|
|
856
|
|
|
Balance at December 31, 2012
|
|
|
3,750
|
|
|
|
1,544
|
|
|
Balance at December 31, 2013
|
|
|
3,305
|
|
|
|
1,333
|
|
|
Balance at December 31, 2014
|
|
|
3,224
|
|
|
|
1,406
|
|
|
| Standardized Measure of Discounted Future Net Cash Flows Relating to Proved Oil Reserves |
|
(In thousands)
|
|
United States
|
|
|
International
|
|
|
Total
|
|
|
|
|
December 31,
|
|
|
December 31,
|
|
|
December 31,
|
|
|
|
|
2014
|
|
|
2013
|
|
|
2012
|
|
|
2014
|
|
|
2013
|
|
|
2012
|
|
|
2014
|
|
|
2013
|
|
|
2012
|
|
|
Future cash inflows
|
|
$
|
9,598
|
|
|
$
|
8,276
|
|
|
$
|
8,260
|
|
|
$
|
814,059
|
|
|
$
|
725,485
|
|
|
$
|
776,646
|
|
|
$
|
823,657
|
|
|
$
|
733,761
|
|
|
$
|
784,906
|
|
|
Future production costs
|
|
|
(1,475
|
)
|
|
|
(3,038
|
)
|
|
|
(3,194
|
)
|
|
|
(307,331
|
)
|
|
|
(223,643
|
)
|
|
|
(203,490
|
)
|
|
$
|
(308,806
|
)
|
|
|
(226,681
|
)
|
|
|
(206,684
|
)
|
|
Future development costs
|
|
-
|
|
|
-
|
|
|
-
|
|
|
|
(136,137
|
)
|
|
|
(164,142
|
)
|
|
|
(186,982
|
)
|
|
|
(136,137
|
)
|
|
|
(164,142
|
)
|
|
|
(186,982
|
)
|
|
Future income tax expense
|
|
|
(359
|
)
|
|
|
(825
|
)
|
|
|
(807
|
)
|
|
|
(177,924
|
)
|
|
|
(154,519
|
)
|
|
|
(181,194
|
)
|
|
$
|
(178,283
|
)
|
|
|
(155,344
|
)
|
|
|
(182,001
|
)
|
|
Future net cash flows
|
|
$
|
7,764
|
|
|
$
|
4,413
|
|
|
$
|
4,259
|
|
|
$
|
192,667
|
|
|
$
|
183,181
|
|
|
$
|
204,980
|
|
|
$
|
200,431
|
|
|
$
|
187,594
|
|
|
$
|
209,239
|
|
|
Discount to present value at 10% annual rate
|
|
|
(3,516
|
)
|
|
|
(1,299
|
)
|
|
|
(1,028
|
)
|
|
|
(47,528
|
)
|
|
|
(48,859
|
)
|
|
|
(55,309
|
)
|
|
$
|
(51,044
|
)
|
|
|
(50,158
|
)
|
|
|
(56,337
|
)
|
|
Standardized measure of discounted future
net cash flows
|
|
$
|
4,248
|
|
|
$
|
3,114
|
|
|
$
|
3,231
|
|
|
$
|
145,139
|
|
|
$
|
134,322
|
|
|
$
|
149,671
|
|
|
$
|
149,387
|
|
|
$
|
137,436
|
|
|
$
|
152,902
|
|
|
| Changes in Standardized Measure of Discounted Future Net Cash Flows |
The following table sets forth the changes in standardized measure of discounted future net cash flows as follows:
|
(In thousands)
|
|
December 31,
|
|
|
|
|
2014
|
|
|
2013
|
|
|
2012
|
|
|
Balance at Beginning of Period
|
|
$
|
137,436
|
|
|
$
|
152,902
|
|
|
$
|
166,187
|
|
|
Sales of oil and gas, net of production costs
|
|
|
(95,973
|
)
|
|
|
(132,662
|
)
|
|
|
(168,563
|
)
|
|
Net changes in prices and production costs
|
|
|
(28,098
|
)
|
|
|
(52,056
|
)
|
|
|
(11,223
|
)
|
|
Revisions of previous quantity estimates
|
|
|
74,497
|
|
|
|
43,815
|
|
|
|
155,111
|
|
|
Additions
|
|
|
2,188
|
|
|
|
29,620
|
|
|
|
69,092
|
|
|
Changes in estimated future development costs
|
|
|
31,686
|
|
|
|
(5,345
|
)
|
|
|
(67,834
|
)
|
|
Development costs incurred during the period
|
|
|
-
|
|
|
|
44,389
|
|
|
|
34,944
|
|
|
Accretion of discount
|
|
|
24,163
|
|
|
|
15,290
|
|
|
|
16,619
|
|
|
Net change of income taxes
|
|
|
(15,609
|
)
|
|
|
26,120
|
|
|
|
7,445
|
|
|
Change in production rates (timing) and other
|
|
|
19,097
|
|
|
|
15,363
|
|
|
|
(48,876
|
)
|
|
Balance at End of Period
|
|
$
|
149,387
|
|
|
$
|
137,436
|
|
|
$
|
152,902
|
|
|