We developed a simplified approach to reduce the uncertainty in parameter estimation and data processing of PS converted waves. This is archived by using a simplified PS-wave moveout. In this moveout. a combination parameter is used to replaced the vertical Vp/Vs ratio, effective Vp/Vs ratio and PS-wave anisotropy, and another combination of these parameters, a model parameter, is empirically set to a constant value. This simplified moveout is more accurate than the original moveout. Tools are developed to estimate these parameters and apply the parameters to moveout correction. Applying these tools to a real dataset shows that the new approach can reduce the uncertainty in parameter estimation and simplify the processing steps. The results obtained from the new approach are the same as that from the original method.
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