The Application of Micro-Seismic Technology in Fracture Monitoring
详细信息
- 责任者：Yan Yongxin (Chengdu University of Technology ; Chengdu 610059 ; China) ; Zhang Yonghua
- 刊名：Earth Science Frontiers
- 出版年：2013
- 卷期：20(3)
- 关键词：微震法 ; microseismic methods ; 油页岩 ; oil shale
- 页码：p.270-274
- 图表：illus., 19 refs.
- 分类号：1600
- issnNo：ISSN1005-2321
- isbnNo：CN11-3370/P
摘要
This paper discusses the stimulating mechanism of inducing micro-seismic in the fracturing process,analyzes the relationship between artificial fractures and crustal stress and describes the orientation method of seismic events.Using the micro-seismic monitoring technology,we monitored in real-time the Well BYHF1 horizontal fracturing process by real-time positioning theory system.Based on the dipole logging and VSP data,the initial velocity model of monitoring area was established,which can be calibrated through perforation gun.On the basis of comprehensive analysis of real-time monitoring system data and identification of effective seismic events,we calculated the position of micro-seismic events using the information of compression and shear wave analysis.The direction,size,space distribution of fractures of fracturing well-block was described in detail using visualization technology,and the monitoring results show that the direction of fractures are mainly NE34°,which is basically coincided with the results of imaging logging.
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