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Oil and Gas Properties | 3 Months Ended
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Mar. 31, 2015
Extractive Industries [Abstract] |
Oil and Gas Properties | Oil and Gas Properties and Equipment, net Net capitalized costs, utilizing the successful efforts method of accounting, related to our oil and gas producing activities follows:
| First Quarter-End |  | Year-End
| 2015 |  | 2014
| (In thousands)
Unproved oil and gas properties | $ | 85,771 |  |  | $ | 90,446 |
Proved oil and gas properties | 249,601 |  |  | 221,299 |
Total costs | 335,372 |  |  | 311,745 |
Less: accumulated depreciation, depletion and amortization | (55,418 | ) |  | (48,252 | )
| $ | 279,954 |  |  | $ | 263,493 |
In first quarter 2015, we recorded a gain of $1,176,000 related to the sale of 290 net mineral acres leased from others in North Dakota for $2,000,000.

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- Definition The entire disclosure for properties used in normal conduct of oil and gas exploration and producing operations. This disclosure may include property accounting policies and methodology, a schedule of property, plant and equipment gross, additions, deletions, transfers and other changes, depreciation, depletion and amortization expense, net, accumulated depreciation, depletion and amortization expense and useful lives. + References No definition available. + Details
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