| 阿拉伊盆地的构造演化特征及油气成藏条件 |
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| 引用本文： | 周桂芹,雷敏.阿拉伊盆地的构造演化特征及油气成藏条件[J].长江大学学报,2011(5). |
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| 作者姓名： | 周桂芹 雷敏 |
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| 作者单位： | 中石化胜利油田分公司西部新区研究中心; |
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| 摘 要： | 阿拉伊盆地是在强烈褶皱的古生代基底上发育起来的中新生代沉积盆地,隶属于特提斯构造带北缘盆地群,是经过不同时期、多次构造运动改造而形成的复合-叠加型盆地。系统分析了阿拉伊盆地的构造演化特征及油气成藏条件。侏罗纪-古近纪的断陷-坳陷发育阶段,是盆地广泛遭遇特提斯洋海侵的时期,期间形成的陆相-海相沉积层序构成了该区重要的烃源岩、储集层和盖层。古近纪末期的构造运动在盆地形成大量逆冲断层和背斜、断鼻构造,这些背斜、断鼻构造成为盆地内主要圈闭类型。新近系地层胶结致密,可作为区域性盖层,利于油气保存。
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| 关 键 词： | 阿拉伊盆地 构造演化 油气成藏条件 |
The Structure Evolution Characteristics and Oil-gas Pool Forming Conditions of Alay Basin |
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| ZHOU Gui-qin,LEI Min.The Structure Evolution Characteristics and Oil-gas Pool Forming Conditions of Alay Basin[J].Journal of Yangtze University,2011(5). |
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| Authors: | ZHOU Gui-qin LEI Min |
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| Institution: | ZHOU Gui-qin,LEI Min(Western New Prospecting Research Center,Shengli Oilfield Company,SINOPEC,Dongying 257015) |
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| Abstract: | Alay Basin is a Mesozoic-Cenozoic sedimentary basin,which is developed from Paleozoic violent faulted basement,and belongs to northern margin basin group of Tethys tectonic belt.As a result of multistage tectonic activities,it is developed to a composite-superposed basin.In the article,the structure evolution characteristics as well as the oil and gas pool forming conditions of Alay basin are analyzed systematically.From Jurassic era to Paleogene era,the basin is transgressed widely by Tethys Ocean,and it i... |
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| Keywords: | Alay Basin structure evolution characteristics oil-gas pool forming conditions |
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