转换波静校正问题一直被认为是转换波处理中较难解决的问题,目前已研究的方法都存在一定的局限性.针对四川盆地川中地区实际情况,本文提出一种组合的转换波静校正方法.首先,根据采集的三分量微测井资料计算低降速层的纵、横波平均速度比,再利用该速度比与纵波的检波点静校正量相乘计算得到转换波长波长静校正量;然后,应用改进的共检波点叠加互相关法求取转换波短波长静校正量;最后,利用分频地表一致性剩余静校正求取剩余静校正量.实际数据处理表明,该转换波静校正技术能够较好地解决四川地区转换波静校正问题,使地震资料的成像效果得到明显的改善. The static correction of converted wave has been considered as a difficult problem to be solved in converted wave processing, and the methods studied so far have some limitations.Aiming at the actual situation in central Sichuan Basin, this paper presents a combined method of static correction of converted wave Firstly, the average velocity ratio of longitudinal and transverse waves in the low velocity layer is calculated based on the three-component microdocument data collected, and then the static correction wavelength of converted wavelength is obtained by multiplying this velocity ratio with the static correction point , The improved static coherent detection method is used to calculate the short-wavelength static correction of the converted wave. Finally, the residual static correction is obtained by using the residual covariance of surface covariance. The actual data processing shows that the converted wave static correction It can solve the problem of static correction of converted wave in Sichuan well and improve the imaging effect of seismic data obviously.