石油和天然气勘探和生产活动补充信息 (Oil And Gas Reserves) (Details)
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12个月结束 | ||
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Dec. 31, 2011
MBbls
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Dec. 31, 2010
MBbls
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Dec. 31, 2009
MBbls
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石油(成员)
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储备数量〔细目〕 | |||
期初 | 19,704 | 17,488 | 21,771 |
购买石油和天然气储备到位 | 2 | 3,913 | 1,728 |
扩展和发现 | 3,940 | 5,574 | 2,614 |
油气储量销售到位 | (736) | ||
对先前储量估计的订正 | (4,714) | (5,426) | (6,294) |
目前的生产 | (2,187) | (1,845) | (1,595) |
期末 | 16,745 | 19,704 | 17,488 |
已探明开发储量 | 7,485 | 7,230 | 6,165 |
已探明未开发储量 | 9,260 | 12,474 | 11,323 |
气体(成员)
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储备数量〔细目〕 | |||
期初 | 16,158 | 14,332 | 22,235 |
购买石油和天然气储备到位 | 19 | 3,482 | 1,135 |
扩展和发现 | 2,091 | 5,303 | 2,874 |
油气储量销售到位 | (282) | ||
对先前储量估计的订正 | (1,662) | (6,171) | (11,139) |
目前的生产 | (878) | (788) | (491) |
期末 | 15,728 | 16,158 | 14,332 |
已探明开发储量 | 6,152 | 6,068 | 4,325 |
已探明未开发储量 | 9,576 | 10,090 | 10,007 |
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- Definition
Additions to proved reserves that result from (1) extension of the proved acreage of previously discovered (old) reservoirs through additional drilling in periods after discovery and (2) discovery of new fields with proved reserves or of new reservoirs of proved reserves in old fields. 参考文献1:http://www.xbrl.org/2003/role/presentationRef
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- Definition
截至资产负债表日,已探明储量的净数量. Proved oil reserves are the estimated quantities of crude oil and natural gas liquids which geological and engineering data demonstrate with reasonable certainty to be recoverable. 参考文献1:http://www.xbrl.org/2003/role/presentationRef
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- Definition
探明储量产量. 参考文献1:http://www.xbrl.org/2003/role/presentationRef
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- Definition
矿产品采购到位. 参考文献1:http://www.xbrl.org/2003/role/presentationRef
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- Definition
订正体育平台是指以前对已探明储量估计的变化, 向上或向下, resulting from new information (except for an increase in proved acreage) normally obtained from development drilling and production history or resulting from change in economic factors. 参考文献1:http://www.xbrl.org/2003/role/presentationRef
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- Definition
矿产品销售到位. 参考文献1:http://www.xbrl.org/2003/role/presentationRef
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- Definition
Net quantities of an enterprise's interests in proved developed reserves of either crude oil (including condensate and natural gas liquids), natural gas, 合成油气, or other nonrenewable natural resource that is intended to be upgraded into 合成油气 as of the beginning and the end of the year. "Net" quantities of reserves include those relating to the enterprise's operating and nonoperating interests in properties. Quantities of reserves relating to royalty interests owned are included in "net" quantities if the necessary information is available to the enterprise. "Net" quantities does not include reserves relating to interests of others in properties owned by the enterprise. The unit of measure for reserve quantities is defined as "barrels" for oil and synthetic oil reserves or "cubic feet" or "cubic meters" for natural gas and synthetic gas reserves. 参考文献1:http://www.xbrl.org/2003/role/presentationRef
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- Definition
Net quantities of an enterprise's interests in proved undeveloped reserves of either crude oil (including condensate and natural gas liquids), natural gas, 合成油气, or other renewable natural resource that is intended to be upgraded into 合成油气 as of the beginning and the end of the year. "Net" quantities of reserves include those relating to the enterprise's operating and nonoperating interests in properties. Quantities of reserves relating to royalty interests owned are included in "net" quantities if the necessary information is available to the enterprise. "Net" quantities does not include reserves relating to interests of others in properties owned by the enterprise. The unit of measure for reserve quantities is defined as "barrels" for oil and synthetic oil reserves or "cubic feet" or "cubic meters" for natural gas and synthetic gas reserves. 参考文献1:http://www.xbrl.org/2003/role/presentationRef
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- Details
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