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Supplemental Information On Oil And Gas Exploration And Production Activities (Costs Incurred In Oil And Gas Property 收购 And Development Activities) (Details) (USD $)
除非另有说明，单位为千 |
12个月结束 | ||
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12月. 31, 2012
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12月. 31, 2011
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12月. 31, 2010
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| Oil and Gas Exploration and Production Industries Disclosures [Abstract] | |||
| 收购 | $ 513,904 | $ 119,522 | $ 17,627 |
| 开发已证实未开发的物业 | 121,787 | 123,489 | 64,652 |
| 探索性 | 93,397 | 3,994 | 0 |
| 重新完成 | 24,643 | 17,259 | 16,917 |
| 资本化资产退休义务 | 2,195 | 1,390 | 1,328 |
| 总计 | $ 755,926 | $ 265,654 | $ 100,524 |
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——定义
成本, including capitalized costs and costs charged to expense, 收购石油和天然气资产. 参考文献1:http://www.xbrl.org/2003/role/presentationRef
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——定义
Amount of asset retirement obligations (ARO) costs incurred (whether capitalized or charged to expense) during the period. 参考文献1:http://www.xbrl.org/2003/role/presentationRef
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——定义
开发成本, including capitalized costs and costs charged to expense, 在石油和天然气活动. 参考文献1:http://www.xbrl.org/2003/role/presentationRef
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——定义
已发生的勘探费用, including capitalized costs and costs charged to expense, 在石油和天然气活动. 参考文献1:http://www.xbrl.org/2003/role/presentationRef
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——细节
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