Supplemental Oil and Gas Disclosures - Additional Information (Detail)
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12 Months Ended |
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Dec. 31, 2012
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Reserve Quantities [Line Items] | |
Percentage non-operated non-producing reserves | 14.00% |
Present value discounted percentage | 10.00% |
Minimum
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Reserve Quantities [Line Items] | |
Expected time to evaluate properties, in years | 1 |
Maximum
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Reserve Quantities [Line Items] | |
Expected time to evaluate properties, in years | 5 |
X | ||||||||||
- Details
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X | ||||||||||
- Definition
Expected time to evaluate properties. No definition available.
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X | ||||||||||
- Definition
Percentage Of Non Operated Proved Developed Non Producing Reserves No definition available.
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X | ||||||||||
- Definition
Present Value Discounted Percentage No definition available.
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