Investigation on surface related multiple suppression by predictive deconvolution in linear Radon domain

摘要

Surface related multiple suppression by predictive deconvolution method in t-x domain usually suppose that multiples have strict periodicity,which limits its application greatly.Linear Radon transform in the paper improves multiples periodicity effectively,and investigate multiples suppression by predictive deconvolution in linear Radon domain.Firstly,the seismic data with surface related multiple is transformed into linear Radon domain,then predictive deconvolution method is used to suppress surface related multiple.This method can determine the predictive deconvolution operator by auto-correlation operation.It discusses the influence of predictive operator length on multiples suppression effect by theoretical models.This method can overcome periodicity limit that predictive deconvolution demand multiple effectively,and has practical value and bright future application.