Aiming at the characteristics of seismic data from complex fault blocks in Zhongyuan oilfield, the selection of key parameters in pre-stack migration and migration approaches were meticulously studied.

• 针对中原复杂断块区地震资料的特点，对速度场的建立、叠前偏移中关键参数的选取以及偏移方法展开了深入细致的研究。