| 注水诱发地震的成因及影响因素探讨 |
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| 引用本文： | 许华明,曲国胜,李行船,周斌.注水诱发地震的成因及影响因素探讨[J].西北地震学报,2008,30(3):221-226. |
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| 作者姓名： | 许华明 曲国胜 李行船 周斌 |
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| 作者单位： | 1. 中国地震局地质研究所,北京,100029
2. 中国地震局应急搜救中心,北京,100049 |
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| 基金项目： | 监测评价项目由杜邦公司资助 |
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| 摘 要： | 根据胜利油田东营凹陷深井注水所监测到的破裂信号特征分析,结合位于同一凹陷内的角7井注水诱发地震特征,对注水诱发地震的成因进行了探讨.注水过程中地层有无先存破裂面对所诱发的地震产生较大影响,认为诱发地震的震级与注采比和注水井的构造位置密切相关.
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| 关 键 词： | 东营凹陷 注水 先存破裂面 破裂包络线 诱发地震 |
Analysis of Mechanism and Influencing Factors of Earthquake Induced by Water Injection |
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| XU?Hua-ming,QU?Guo-sheng,LI?Xing-chuan and ZHOU?Bin.Analysis of Mechanism and Influencing Factors of Earthquake Induced by Water Injection[J].Northwestern Seismological Journal,2008,30(3):221-226. |
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| Authors: | XU?Hua-ming QU?Guo-sheng LI?Xing-chuan and ZHOU?Bin |
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| Abstract: | By analyzing the characteristics of fracture signal during deep well injection in Dongying depression of Shengli oil field, comparing with the induced earthquake at Jiao 7 well in the same depression, the seismic mechanism of earthquake induced by water injection in oil and gas field is discussed. It influenced greatly on induced earthquake whether there are existed fracture or not. It is considered that the magnitude of induced earthquake is closely related to the ratio of injection and production, and the structure location of injection well. |
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| Keywords: | Dongying depression Water injection Existed fracture Failure envelope Induced earthquake |
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