Abstract

Although multicomponent data acquisition opens the door for sharper seismic images and more accurate subsurface characterization, it also brings many challenges into multicomponent data processing. Among these challenges, converted-wave (S-wave) static correction is significant. Due to the fact that the earth may have dramatically different velocity responses to P- and S-waves, P-wave statics and S-wave statics should be treated as two independent problems; as a result, approximating S-wave statics by a simple scaling of the P-wave statics is not a satisfying solution. A new automatic S-wave static-correction algorithm is proposed and has been successfully applied on a full-fold Arabian Gulf ocean-bottom-cable (OBC) data set with promising results.

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