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Research and analysis of Thomsen parameters influence of elastic wave field imaging in anisotropic media

SU Wei1,CHEN Shu-min2,LIU Cai1,PEI Jiang-yun2,FAN Xing-cai2 (1.Earth Exploration Scientific and Technologic Institute of Jilin University,Changchun 130026,China;2.Exploration and Development Research Institute of Daqing Oilfield Company Ltd.,Daqing 163712,China)  
Normal seismic processing and inversing based on supposed isotropy cannot satisfy the requirement of microstructure exploration with high precision.So it will provide a favorable reference for seismic processing and inversing to do more research on anisotropy media and to find out the characters of factors that influence the anisotropic degree of media.This paper starts with the research of Thomsen parameters that characterized the degree of anisotropic media,analyze the influence of every parameter on characters of dynamics and kinematics of seismic field,and find out the response of the field while the parameters change.We also make research on the relationship between parameters and seismic record.Through the research above,we will take a good knowledge of parameters that affect the media's anisotropy,thus to provide a powerful sustain for the anisotropic parameters inverse and analyses.
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