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Exploratory Well Costs (Details) (USD $)
In Thousands, unless otherwise specified |
6 Months Ended |
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Jun. 30, 2013
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| Exploratory Well Costs [Abstract] | |
| Balance at December 31, 2012 | $ 49,116 |
| Additions Pending the Determination of Proved Reserves | 69,244 |
| Reclassifications to Proved Properties | (55,555) |
| Costs Charged to Expense (1) | (29,807) |
| Foreign Currency Translations | (619) |
| Balance at June 30, 2013 | $ 32,379 |
| X | ||||||||||
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- Definition
Additions or deductions to capitalized exploratory well costs that resulted from changes in foreign currency exchange rates. No definition available.
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- Definition
Additions to capitalized exploratory well costs that were added during the reporting period pending the determination of proved reserves. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Capitalized exploratory well costs that were expensed during the year because proved reserves were not found at the exploratory well. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The amount of capitalized exploratory well costs that is pending the determination of proved reserves. This does not include amounts that were capitalized and subsequently expensed in the same annual period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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- Definition
Previously capitalized costs of the drilling of wells that were reclassified as part of the costs of the enterprise's wells and related equipment and facilities at the time that proved reserves were found. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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