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Amount of accumulated depreciation, depletion, amortization and impairment of oil and gas property carried under the successful effort method.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 932
-SubTopic 360
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478810/932-360-50-1

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Amount, before accumulated depreciation, depletion, amortization, and impairment, of oil and gas properties accounted for under successful efforts method.

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Amount, after accumulated depreciation, depletion, amortization, and impairment, of oil and gas properties accounted for under successful efforts method.

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Amount, before accumulated depreciation, depletion, amortization, and impairment, of oil and gas properties with proved reserve accounted for under successful efforts method.

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Amount, before accumulated depreciation, depletion, amortization, and impairment, of oil and gas properties with unproved reserve accounted for under successful efforts method.