| 微地震台阵网天然地震层析成像技术在油田深层构造解析中的应用 |
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| 引用本文： | 王小凤,冯梅,史大年,马寅生,陈宣华,区明益,霍光辉,王连庆,田晓娟,张西娟,李会军,李国岐,蒋荣宝.微地震台阵网天然地震层析成像技术在油田深层构造解析中的应用[J].地质通报,2006,25(9):1028-1031. |
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| 作者姓名： | 王小凤 冯梅 史大年 马寅生 陈宣华 区明益 霍光辉 王连庆 田晓娟 张西娟 李会军 李国岐 蒋荣宝 |
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| 作者单位： | 1. 中国地质科学院地质力学研究所,北京,100081
2. 中国地质科学院矿产资源研究所,北京,100037 |
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| 基金项目： | 国家油气专项之《柴达木盆地油气资源战略调查及评价》项目，国家油气地质调查工作项目 |
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| 摘 要： | 天然地震层析成像相对于传统的反射地震方法而言是一种新的经济的勘探方法.这是由于天然地震层析成像所需的观测值直接来自于研究区下方发生的天然微地震,而反射地震却需要在研究区表面进行人工放炮.因此本工作是将天然地震层析成像方法应用于柴达木盆地西部某油田约100km2地区的深层构造的尝试性研究.626个地震事件的3289个P波到时的初步结果与研究区已知的大的构造吻合较好.该模型中非常显著的特征就是观测到一个北西向的背斜.此外,微地震的分布也与研究区中活动断裂带的位置基本一致.
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| 关 键 词： | 天然微地震 层析成像 深层构造 地震事件 活动断裂带 |
| 文章编号： | 1671-2552（2006）09-10-1028-04 |
| 收稿时间： | 2/7/2006 12:00:00 AM |
| 修稿时间： | 2006-06-27 |
Application of passive seismic tomographic imaging techniques in the study of deep tectonics in oil fields |
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| WANG Xiao-feng,FENG Mei,SHI Da-nian,MA Yin-sheng,CHEN OU Ming-yi,HUO Guang-hui,WANG Lian-qing,TIAN Xiao-juan,ZHANG Xi-juan,LI Hui-jun,LI Guo-qi,JIANG Rong-bao.Application of passive seismic tomographic imaging techniques in the study of deep tectonics in oil fields[J].Geologcal Bulletin OF China,2006,25(9):1028-1031. |
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| Authors: | WANG Xiao-feng FENG Mei SHI Da-nian MA Yin-sheng CHEN OU Ming-yi HUO Guang-hui WANG Lian-qing TIAN Xiao-juan ZHANG Xi-juan LI Hui-jun LI Guo-qi JIANG Rong-bao |
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| Institution: | 1. Institute of Geomechanics, Chinese Academy of Geological Sciences, Beijing 100081 ,China; 2. Institute of Mineral Resources, Chinese Academy of Geological Sciences, Beijing 100037,China |
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| Abstract: | Passive seismic tomographic imaging is a new and economical exploration method as compared to the traditional seismic reflection method because passive seismic tomographic imaging only needs observations directly from micro-earthquakes occurring underneath the study area, while the reflection method needs firing shots at the surface. So this work is an attempt to use the passive seismic tomographic imaging technique to study deep tectonics beneath an area of -100 km^2 in an oilfield in the western Qaidam basin. The preliminary results based on a total of 3289 P-wave arrival times of 626 seismic events show good coincidence with the known large tectonics of the study area. A very striking feature imaged by the proposed model is a NW-trending large anticline. In addition, the micro-earthquakes are also in the main located along the active fault belt. |
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| Keywords: | passive microseismic tomographic imaging deep tectonics seismic event active fault belt |
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