The utilization of the micro-seismic method to conduct real-time dynamic monitoring of the production in the production sweep area of the oilfield is a frontier research topic which has aroused much attention both in China and abroad.This authors deal with the mechanical mechanism producing the micro-seismic event as well as the principle and method of micro-seismic monitoring.The micro-seismic monitoring technique was used to conduct real-time monitoring of the large-scale fracturing process along BYHF1 shale horizontal well section of Biyang depression,the dipole logging and VSP data were used to establish the initial velocity model for the monitored well area,and correction was made through the perforating gun.Based on recognizing the effective micro-seismic event,the authors utilized the longitudinal and transverse wave information to calculate the position of the micro-seismic event,and described the direction,scale and spatial distribution of the fissures in the fracturing well area by using the visualization technology.The result of the monitoring is well consistent with that of the imaging logging.
张永华, 陈祥, 杨道庆, 赵雨晴, 郭金荣. 微地震监测技术在水平井压裂中的应用[J]. 物探与化探, 2013, 37(6): 1080-1084.
ZHANG Yong-hua, CHEN Xiang, YANG Dao-qing, ZHAO Yu-qing, GUO Jin-rong. THE APPLICATION OF MICRO-SEISMIC MONITORING TECHNOLOGY TO THE STUDY OF HORIZONTAL WELL FRACTURING. Geophysical and Geochemical Exploration, 2013, 37(6): 1080-1084.
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