Property and Equipment (Tables) |
6 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Jun. 30, 2018 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Property, Plant and Equipment [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Schedule of Property and Equipment | The major categories of property and equipment and related accumulated depletion, depreciation, amortization and impairment as of June 30, 2018 and December 31, 2017 are as follows:
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Summary of Non-producing Properties Excluded from Amortization by Area | The following table summarizes the Company’s non-producing properties excluded from amortization by area at June 30, 2018:
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Schedule of Asset Retirement Obligation | A reconciliation of the Company’s asset retirement obligation for the six months ended June 30, 2018 and 2017 is as follows:
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