| 东海西湖凹陷油气成藏地质认识 |
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| 引用本文： | 赵艳秋.东海西湖凹陷油气成藏地质认识[J].海洋地质动态,2003,19(5):20-24. |
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| 作者姓名： | 赵艳秋 |
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| 作者单位： | 中石化,上海海洋石油研究院,上海,200120 |
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| 摘 要： | 以东海西湖凹陷勘深资料为背景，从盆地演化、地层层序、储集岩、盖层、烃源岩、圈闭等地质因素来深讨东海西湖凹陷油气成藏情况。西湖凹陷的烃源岩主要为泥岩和煤，储集岩主要为始新统平湖组和渐新统花港组的砂岩，基层的泥岩厚度大，连续性好，多种圈闭类型，配置好。总体看来西湖凹显的生、储、盖、圈等油气成藏地质条件好，是东海大陆架油气最丰富的地区。
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| 关 键 词： | 东海 西湖凹陷 油气成藏 地层层序 盆地演化 储集岩 盖层 烃源岩 圈闭 |
| 文章编号： | 1009-2722(2003)05-0020-05 |
| 修稿时间： | 2003年3月18日 |
Pool Forming Geology of the Xihu Depression in the East China Sea |
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| ZHAO Yan-qiu.Pool Forming Geology of the Xihu Depression in the East China Sea[J].Marine Geology Development,2003,19(5):20-24. |
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| Authors: | ZHAO Yan-qiu |
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| Abstract: | On the basis of exploration data from the Xihu depression in the East China Sea, pooling conditions of the depression are probed in the aspects of basin evolution, stratigraphic sequence, reservoirs, capping, source rock of hydrocarbon, and trapping. The source rock of the Xihu depression mainly consists of mudstone and coal, reservoirs are mostly sandstone of Eocene Pinghu Formation and Oligocene Huagang Formation, capping rock (mainly mudstone) is in large thickness and good continuity, and traps see various types. Thus we can say that the Xihu depression is in good conditions of forming, accumulating, capping and trapping and one of the regions rich in petroleum in the East China Sea continental shelf. |
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| Keywords: | forming accumulating capping trapping Xihu depression the East China Sea |
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