关键词: 微地震监测, 套管变形, 地震属性

Abstract: With the application of horizontal well and hydraulic fracturing technology in the development process of shale oil in Xinjiang Oilfield，there have emerged more and more casing deformation cases，which bring huge economic loss. In addition，other problems such as abnormal fracturing operation，missing well sections and low individual well production also arise. In this paper，a relevance model is established by analyzing the geophysical response characteristics where casing deformation occurs，so that casing deformation can be predicted using the three-dimensional seismic attributes to optimize the fracturing program before a horizontal well is subjected to fracturing. Consequently，early warning for casing deformation during fracturing becomes possible after combing with monitoring results of microseismic to guide fracturing operation，which minimizes the occurrence of casing deformation，improves the effect of reservoir fracturing，and enhances the production of individual wells.

Key words: microseismic monitoring, casing deformation, seismic attributes