| 濮阳地区油田注水引起的重力场变化与地震活动性的关系 |
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| 引用本文： | 徐顺强,秦建增,李真,梁晨曦,周彬,潘晖.濮阳地区油田注水引起的重力场变化与地震活动性的关系[J].华北地震科学,2012(2):23-27. |
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| 作者姓名： | 徐顺强 秦建增 李真 梁晨曦 周彬 潘晖 |
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| 作者单位： | [1]中国地震局地球物理勘探中心,郑州450002 [2]中国地震局第一监测中心,天津300180 [3]河北省地震局,石家庄050022 |
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| 基金项目： | 中国地震局地球物理勘探中心青年科研基金（2008）、中国地震局2010度“地震监测、预报、科研三结合”、中国地震局2011年度星火计划青年项目（XHl037Y）共同资助 |
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| 摘 要： | 收集了1995—2007年中原油田濮阳地区各油田的注水开采等质量迁移资料,利用图示法研究发现油田注水与区域地震活动之间存在一定联系,并定量计算了油田注水引起的重力变化量。结合重力复测资料对油田注水引起的重力场变化和该地区地震之间的关系进行了初步研究,其注采作业引起的重力场变化在±0.1～10×10-8 m.s-2之间,并随着油田中心区域的距离而衰减。
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| 关 键 词： | 油田注水 重力变化 地震研究 |
Preliminary Study on Relationship between Gravitational Field Change Caused by Oilfield Water Flooding and Seismicity in Puyang Area |
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| XU Shun-qiang,QIN Jian-zeng,LI Zhen,LIANG Chen-xi,ZHOU bin,PAN Hui.Preliminary Study on Relationship between Gravitational Field Change Caused by Oilfield Water Flooding and Seismicity in Puyang Area[J].North China Earthquake Sciences,2012(2):23-27. |
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| Authors: | XU Shun-qiang QIN Jian-zeng LI Zhen LIANG Chen-xi ZHOU bin PAN Hui |
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| Institution: | 1.Geophysical Exploration Center of CEA,Zhengzhou 450002,China; 2.First Crust Deformation Monitoring and Application Center,CEA,Tianjin 300180,China; 3.Earthquake Administration of Hebei Province,Shijiazhuang 050022,China) |
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| Abstract: | The most direct reflection of the underground medium density change is the surface gravity change,in this article water flooding data from 1995 to 2007 of every oilfield of Zhongyuan oilfield in Puyang area is collected and studied.The change of gravitational field caused by water flooding is calculated,and the relationship between it and seismicity is studied.The result indicates that the gravitational field change caused by water flooding is about ±1～10×10-8 m·s-2 and gradually attenuates with the distance from the center of oil field. |
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| Keywords: | oilfield water flooding variation of gravity seismic study |
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