| 东营凹陷陡坡带油井前兆异常及其动力学成因讨论 |
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| 引用本文： | 徐守余,杨占宝.东营凹陷陡坡带油井前兆异常及其动力学成因讨论[J].地震地质,2004,26(2):325-333. |
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| 作者姓名： | 徐守余 杨占宝 |
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| 作者单位： | 石油大学(华东)地球资源与信息学院,东营,257061;东营市地震台,东营,257000 |
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| 摘 要： | 分析了东营凹陷陡坡带断裂体系 ,研究了东营凹陷陡坡带油井前兆异常与地震活动的关系 ,探讨了油井前兆异常的动力学成因。孕震过程是应力场变化和调整的过程 ,应力场变化导致孔隙压力变化 ,使得油井产生前兆异常。特定的地质环境是油井前兆异常的基础 ,应力转化为孔隙压力是油井前兆异常的前提。油井前兆异常是正异常还是负异常 ,取决于油井所处的地质环境在孕震过程中地应力是增加还是减小 ,前兆异常幅度取决于孔隙压力的变化幅度
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| 关 键 词： | 油井前兆异常 动力学成因 东营凹陷 地震 陡坡带 断裂体系 |
| 文章编号： | 0253-4967(2004)02-0325-09 |
| 修稿时间： | 2002年12月12 |
PRECURSORY ANOMALY OF EARTHQUAKE OBSERVED IN OIL-WELL IN STEEP-SLOPE ZONE OF DONGYING DEPRESSION AND ITS DYNAMIC GENESIS |
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| XU Shou-yu YANG Zhan-bao Earth Resource and Information Institute,University of Petroleum,Dongying,Shandong ,China Dongying Seismic Station,Dongying,Shandong ,China.PRECURSORY ANOMALY OF EARTHQUAKE OBSERVED IN OIL-WELL IN STEEP-SLOPE ZONE OF DONGYING DEPRESSION AND ITS DYNAMIC GENESIS[J].Seismology and Geology,2004,26(2):325-333. |
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| Authors: | XU Shou-yu YANG Zhan-bao Earth Resource and Information Institute University of Petroleum Dongying Shandong China Dongying Seismic Station Dongying Shandong China |
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| Affiliation: | XU Shou-yu 1) YANG Zhan-bao 2) 1)Earth Resource and Information Institute,University of Petroleum,Dongying,Shandong 257061,China 2)Dongying Seismic Station,Dongying,Shandong 257000,China |
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| Abstract: | The fault systems in the steep-slope zone of Dongying depression consist of NEE-and NWW-trending faults.The faults are deep and narrow,having dip angle of above45°and a throw of more than3000m.The modern stress field in the steep-slope zone is currently very active.As the petroleum resources in this zone are very abundant,a great deal of oil wells have been drilled.All this specific geological conditions provide the foundation to seek for the relation of precursory anomaly in oil well to seismic activity an |
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| Keywords: | oil-well precursory anomaly dynamic genesis Dongying depression earthquake steep-slope zone fault system |
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