| 塔里木盆地西南坳陷柯东构造建模与油气勘探 |
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| 引用本文： | 杨海军,王步清,杨芝林,雷刚林,魏红兴.塔里木盆地西南坳陷柯东构造建模与油气勘探[J].地质科学,2011,46(2):456-465. |
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| 作者姓名： | 杨海军 王步清 杨芝林 雷刚林 魏红兴 |
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| 作者单位： | 中国石油塔里木油田分公司 新疆库尔勒 841000 |
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| 摘 要： | 通过充分利用野外地质调查资料、深入分析关键层位的地震反射特征以及合理利用造山带构造变形理论,建立起西昆仑山前冲断带东段柯东构造的构造解释模型.柯东构造总体上具有"后缘基底卷入,前缘盖层滑脱"的特征,发育基底卷入的冲断构造、断层转折褶皱、三角带构造以及被动顶板构造等构造样式.柯东构造的开始发育时间为上新世末,西域砾岩沉积...
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| 关 键 词： | 塔西南 柯东构造带 构造样式 构造变形 构造平衡恢复 |
| 收稿时间： | 2010-10-08 |
Structure modeling and hydrocarbon exploration of Kedong structural belt in southwestern Tarim Basin |
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| Yang Haijun,Wang Buqing,Yang Zhilin,Lei Ganglin,Wei Hongxing.Structure modeling and hydrocarbon exploration of Kedong structural belt in southwestern Tarim Basin[J].Chinese Journal of Geology,2011,46(2):456-465. |
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| Authors: | Yang Haijun Wang Buqing Yang Zhilin Lei Ganglin Wei Hongxing |
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| Institution: | Tarim Oilfield Company, PetroChina, Korla, Xinjiang 841000 |
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| Abstract: | Through making full use of the data obtained from field geologic investigation，deeply analyzing reflecting characteristics of the bottom of Paleogene，and logically selecting tectonic theories of orogeny，structural model of Kedong structural belt is set up.The Kedong structure is characterized by “hinder basement involved structure and front caprock detachment structure”，and includes the following structural styles：basement invlolved thrust structure，fault bend fold，triangle zone structure and passive roof recoiled fault.Regional geological data and growth strata show that Kedong structure developed in Late Pliocene and finalized after Early Pleistocene.The results are obtained from structure stratigraphy balance restoration of the inline geological section that structural shorten ratio of Kedong structure in Quaternary is 367％ and structural shorten rate is about 752 mm/a.Tarim oilfield company drilled Kedong 1 on June 14， 2009 based on the structural model and high commercial hydrocarbon flow is obtained on April 4，2010，which is significant to the exploration in the southwestern Tarim Basin. |
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| Keywords: | Southwestern Tarim Basin Kedong structural belt Structural style Structural deformation Structure balanced restoration |
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