Abstract：The anisotropic pre-stack time migration technique not only eliminated the influence of medium anisotropy to the imaging accuracy,but also could solve the over correlation problem for the large offset data in the common reflection point gathers during pre-stack migration process.The basic principle,the realization process,the key techniques and the application results in Daqing exploration area of 3D anisotropic pre-stack time migration technique in the VTI medium were introduced in this paper.The research results show that application of the new technique could greatly improve the imaging accuracy,after migration the fault points are clearer and more accurate,the faults are more visible,and the horizontal resolution of the seismic data was further raised.
