| 六盘山盆地西南缘构造特征及盆地油气有利区预测 |
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| 引用本文： | 谢青,杨兴科,江宽.六盘山盆地西南缘构造特征及盆地油气有利区预测[J].地质找矿论丛,2015,30(4):560-566. |
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| 作者姓名： | 谢青 杨兴科 江宽 |
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| 作者单位： | 长安大学地球科学与资源学院, 西安 710054;中国石油西部管道兰州输气分公司, 兰州 730070;长安大学地球科学与资源学院, 西安 710054;中国石油西部管道兰州输气分公司, 兰州 730070 |
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| 基金项目： | 中国地调局项目(编号:12120113039900)资助。 |
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| 摘 要： | 文章根据前人研究结果,结合野外调研及钻井资料,对盆地的构造演化背景、盆地西南缘主要断裂特征及盆地油气成藏条件进行了深入分析和讨论。认为盆地构造复杂,断裂系统具有多期次、多级次、分段性等特点,盆地变形改造时代新、逆冲推覆构造发育,有利于油气局部运移和富集;盆地区发育石炭系、三叠-侏罗系、白垩系3套烃源岩及相互配套的储、盖条件,盆地山前深部构造带及凹陷内的低凸起部位是有利勘探区,并提出了6个较为有利构造区。
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| 关 键 词： | 六盘山盆地 构造特征 成藏条件 有利区预测 |
| 收稿时间： | 2015/5/25 0:00:00 |
Structural characteristics of southwestern margin of the Liupanshan basin and the potential oil and gas area prediction |
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| XIE Qing,YANG Xingke and JIANG Kuan.Structural characteristics of southwestern margin of the Liupanshan basin and the potential oil and gas area prediction[J].Contributions to Geology and Mineral Resources Research,2015,30(4):560-566. |
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| Authors: | XIE Qing YANG Xingke and JIANG Kuan |
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| Institution: | School of Earth Science and Resource, Chang''an University, Xi''an 710054, Shanxi, China;PetroChina West Pipeline Gas Company, Gansu Lanzhou 730070, China;School of Earth Science and Resource, Chang''an University, Xi''an 710054, Shanxi, China;PetroChina West Pipeline Gas Company, Gansu Lanzhou 730070, China |
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| Abstract: | Liupanshan basin developed in the joint of southwestern margin of North China block and Qilian-qinling structural belt. It is characterized by the unique structural position, complex background and sparse prospecting working, especially less data of study on the structural evolution of the southeast margin. According to previous research results, field survey and drilling data, in-depth analysis of the structure evolution background, the main fracture characteristics of the southwestern margin and the hydrocarbon accumulation condition are made in the paper. The result shows that the basin is characterized by complex structure, multi-stage and order fault system, late deformation and development of nappe which are benefit to migration and accumulation of hydrocarbon. The basin is developed with source bed of Carboniferous, Triassic-Jurassic and Cretaceous system as well as the matched accumulation and cap condition. Six more favorable structural zones are predicted. They are piedmont deep structural belt, the low salient of the depression zone in the basin. |
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| Keywords: | Liupanshan basin structural characteristics reservoir condition favorable areas prediction |
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