| 前陆盆地冲断带构造分段特征及其对油气成藏的控制作用 |
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| 引用本文： | 宋岩,方世虎,赵孟军,柳少波.前陆盆地冲断带构造分段特征及其对油气成藏的控制作用[J].地学前缘,2005,12(3):31-38. |
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| 作者姓名： | 宋岩 方世虎 赵孟军 柳少波 |
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| 作者单位： | 中国石油勘探开发研究院,北京,100083;长江大学,地球科学学院,湖北,荆州,434023;中国石油勘探开发研究院,北京,100083 |
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| 摘 要： | 以中国中西部典型前陆盆地为例,分析了典型前陆盆地前陆冲断带的构造分段特征,总结构造分段的主控因素主要包括构造动力学背景、调节构造、构造变形期次与构造叠加、滑脱层与构造变形强度的影响等。中国中西部前陆冲断带的油气勘探成果表明,构造分段特征对不同构造段油气成藏具有明显的影响和控制作用,主要表现为:不同构造段的油气富集层位不同;不同构造段的油气成藏时间及成藏期次特征存在差异,主成藏期也不同。
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| 关 键 词： | 前陆冲断带 构造分段 主控因素 油气成藏 |
| 文章编号： | 1005-2321（2005）03-0031-08 |
| 收稿时间： | 2005-05-26 |
| 修稿时间： | 2005-06-15 |
The structural segmentation of foreland thrust belts and its implications for hydrocarbon accumulation in foreland basins in central and western China |
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| SONG Yan,FANG Shi-hu,ZHAO Meng-jun,LIU Shao-bo.The structural segmentation of foreland thrust belts and its implications for hydrocarbon accumulation in foreland basins in central and western China[J].Earth Science Frontiers,2005,12(3):31-38. |
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| Authors: | SONG Yan FANG Shi-hu ZHAO Meng-jun LIU Shao-bo |
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| Institution: | 1. Research Institute of Petroleum Exploration and Development ,PetroChina, Beijing 100083,China; 2. School of Earth Sciences, Yangtze University. Jingzhou 434023,China |
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| Abstract: | By analyzing the features of structural segmentation of foreland thrust belt in central and western China,we conclude that the prevailing controls over the structural segmentation of foreland thrust belts include tectonic settings,transfer tectonics,episodes of tectonic deformation,tectonic superimposition,detachment horizons,and the intensity of tectonic deformation.As proven by petroleum exploration practices,the effects of structural segmentation governing the oil and gas accumulation have two main aspects:(1) hydrocarbon bearing strata are not comparable formation in different structural segments;(2) the times of oil and gas reservoirs and the main period of oil and gas accumulation always vary within different structural segments. |
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| Keywords: | foreland thrust belt structural segmentation prevailing controls hydrocarbon accumulation |
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