| 沙南凹陷构造演化的“跷跷板”效应与油气评价新认识 |
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| 引用本文： | 李宏义,吴克强,刘丽芳,王春红,陈建华,林青.沙南凹陷构造演化的“跷跷板”效应与油气评价新认识[J].中国海上油气,2011,23(4). |
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| 作者姓名： | 李宏义 吴克强 刘丽芳 王春红 陈建华 林青 |
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| 作者单位： | 1. 中海油研究总院,100027
2. 中海油研究总院 |
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| 摘 要： | 在地震资料区域解释和编图的基础上,结合各类钻井资料,对渤海海域沙南凹陷从凹陷结构、地层展布和构造演化等方面进行了分析,进而评价了沙南西洼烃源岩的质量、规模和资源潜力.沙南凹陷沙三段地层西厚东薄,而东营组地层西薄东厚,表现出沙南凹陷早期西洼埋藏深、后期东洼埋藏深的“跷跷板”迁移过程；受沙三段沉积时期西倾古地貌的影响,沙南西洼发育沙三中亚段中深湖相—深湖相优质烃源岩,其分布范围广、厚度大、有机质丰度高；沙南西洼总生烃量可达44亿t,油气资源潜力较大,展示出良好的油气勘探前景.
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| 关 键 词： | 沙南凹陷 构造演化 “跷跷板”效应油 气资源评价 |
A "Seesaw" effect of structural evolution and some new cognition in hydrocarbon evaluation in Shanan sag, Bohai Sea |
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| Li Hongyi,Wu Keqiang,Liu Lifang,Wang Chunhong,Chen Jianhua,Lin Qing.A "Seesaw" effect of structural evolution and some new cognition in hydrocarbon evaluation in Shanan sag, Bohai Sea[J].China Offshore Oil and Gas,2011,23(4). |
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| Authors: | Li Hongyi Wu Keqiang Liu Lifang Wang Chunhong Chen Jianhua Lin Qing |
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| Affiliation: | Li Hongyi Wu Keqiang Liu LifangWang Chunhong Chen Jianhua Lin Qing(CNOOC Research Institute,Beijing,100027) |
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| Abstract: | By a regional interpretation and mapping of seismic data and in combination with various drilling data,Shanan sag in Bohai sea was analyzed in several aspects such as configuration,stratigraphy and structural evolution,and then the quality,size and resources potential of its source rocks were evaluated.In this sag,Member 3 of Shahejie Formation is thicker in the west and thinner in the east,and Dongying Formation is thicker in the east and thinner in the west,indicating a transfer process of Seesaw style fr... |
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| Keywords: | Shanan sag structural evolution Seesaw effect hydrocarbon resources evaluation |
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