| 库车前陆盆地乌什凹陷油气成藏特征 |
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| 引用本文： | 赵力彬,马玉杰,杨宪彰,雷刚林,吴超.库车前陆盆地乌什凹陷油气成藏特征[J].天然气工业,2008,28(10):21-24. |
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| 作者姓名： | 赵力彬 马玉杰 杨宪彰 雷刚林 吴超 |
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| 作者单位： | 中国石油塔里木油田公司勘探开发研究院 |
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| 摘 要： | 乌什凹陷位于库车前陆盆地的最西端，区内所钻的乌参1井和神木1井先后在白垩系获重大突破，展现出很大的油气勘探潜力，但试采效果却不理想。对此，在油气源分析、油气成因类型划分、地层埋藏史和构造演化史研究的基础上，结合流体历史分析对该凹陷的油气成藏特征进行了探讨。结果认为：乌什凹陷油气主要来源于地质历史中北缘露头三叠系黄山街组烃源岩。进而从成藏的角度论证了原生岩性或构造-岩性油气藏应是该凹陷主要的勘探方向。
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| 关 键 词： | 库车坳陷 乌什凹陷 油气藏形成 特征 三叠纪 烃源岩 勘探区 |
CHARACTERISTICS OF HYDROCARBON POOLING IN WUSHI SAG OF KUQA FORELAND BASIN |
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| ZhAO Li-bin,Ma Yu-jie,YANG Xian-zhang,LEI Gang-lin,WU Chao.CHARACTERISTICS OF HYDROCARBON POOLING IN WUSHI SAG OF KUQA FORELAND BASIN[J].Natural Gas Industry,2008,28(10):21-24. |
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| Authors: | ZhAO Li-bin Ma Yu-jie YANG Xian-zhang LEI Gang-lin WU Chao |
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| Affiliation: | Exploration and Development Research Institute of PetroChina Tarim Oilfield Company |
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| Abstract: | Ｗushi sag is located at the west end of Kuqa foreland basin. The wells Wucan 1 and Shenmu 1 have successively got discoveries in the Cretaceous in the study area, revealing large potential of exploration, but the results of production test are not ideal. This paper discusses the characteristics of hydrocarbon pooling in the study area based on an analysis of oil and gas sources, recognition of oil and gas types, study of burial history and structural evolution, and in combination with fluid history analysis. It is believed that the oil and gas was mainly sourced from the Triassic Huangshan formation source rocks on the northern margin in the geologic history. Primary lithologic or structural lithologic reservoirs are the main exploration targets in the study area. |
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| Keywords: | Kuqa depression Wushi sag hydrocarbon pooling characteristic Triassic source rock exploration area |
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