| 辽河盆地地下流体异常与岫岩MS5.6地震 |
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| 引用本文： | 刘元生,刘贵和,佟凤兰.辽河盆地地下流体异常与岫岩MS5.6地震[J].西北地震学报,2000,22(3):241-246,257. |
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| 作者姓名： | 刘元生 刘贵和 佟凤兰 |
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| 作者单位： | 1. 山东省地震局,山东济南 250014
2. 辽河油田地震台,辽宁盘锦 024010 |
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| 摘 要： | 分析了１９９９年１１月２９日岫岩Ｍｓ５．６地震前，辽河油田６口观测井的前兆异常特征，观测项目有水位、采液量、采气量及套管压力等。该次地震前６口井的观测资料均出现明显的趋势异常和短临前兆异常，辐且具有较好的同步性，异常形态表现为升－降－升型，抽水、注水、气压、温度等干扰因素对观测资料没有影响，异常是可信的。
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| 关 键 词： | 趋势异常 临震异常 地下流体 岫岩地震 地震预报 |
| 文章编号： | 1000-0844(2000)03-0241-06 |
| 收稿时间： | 2000/6/5 0:00:00 |
ANOMALOUS CHARACTERISTICSOF UNDERGROUND FLUID IN LIAOHE BASIN BEFORE THE 1999 XIUYAN MS5.6 EARHTQUAKE,LIAONING |
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| LIU Yuan-sheng,LIU Gui-he and TONG Feng-lan.ANOMALOUS CHARACTERISTICSOF UNDERGROUND FLUID IN LIAOHE BASIN BEFORE THE 1999 XIUYAN MS5.6 EARHTQUAKE,LIAONING[J].Northwestern Seismological Journal,2000,22(3):241-246,257. |
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| Authors: | LIU Yuan-sheng LIU Gui-he and TONG Feng-lan |
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| Institution: | LIU Yuan sheng 1,LIU Gui he 2,TONG Feng lan 2 |
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| Abstract: | Anomalous characteristics of observation data of 6 wells in Liaohe oil field before the Xiuyan M S5.6 earthquake, Liaoning on Nov.29,1999 are analysed. Observed items are groundwater level, oil recovery volume, casing pressure and gas recovery volume. Trend, short term and impending anomalies appeared in observation data of the 6 wells before the event with fairly good synchronism and a shape of rise fall rise. The test shows disturbance factors, such as water flooding,pumping water,atmospheric pressure and temperature etc. have not influence on the observation data, therefore,the anomalies can be believed. |
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| Keywords: | Trend anomaly Impending earthquake anomaly Anomalous character Underground fluid Xiuyan earthquake |
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