Three-component seismic exploration through P-wave source and three-component geophone is an effective technique used in complicated reservoir exploration.In three-component seismic exploration data processing,one of ...Three-component seismic exploration through P-wave source and three-component geophone is an effective technique used in complicated reservoir exploration.In three-component seismic exploration data processing,one of the difficulties is static correction of converted wave.This paper analyzes propagation characteristics of non-converted and converted refracted waves,and discovers a favor-able condition for the formation of converted refracted wave,i.e.the velocity of overlaying medium S wave is much lower than that of underlying medium S wave.In addition,the paper proposes the static correction method of converted wave based on PPS converted refracted wave,and processes the real three-component seismic data with better results of static correction of converted wave.展开更多
基金Supported by the"10th Five-Year"National Science and Technology Plan of China(Grant No.2003BA613A-09)China Innovation Foundation of Petroleum Technology for Young and Middle-Aged Scholars(Grant No.03E7018)
文摘Three-component seismic exploration through P-wave source and three-component geophone is an effective technique used in complicated reservoir exploration.In three-component seismic exploration data processing,one of the difficulties is static correction of converted wave.This paper analyzes propagation characteristics of non-converted and converted refracted waves,and discovers a favor-able condition for the formation of converted refracted wave,i.e.the velocity of overlaying medium S wave is much lower than that of underlying medium S wave.In addition,the paper proposes the static correction method of converted wave based on PPS converted refracted wave,and processes the real three-component seismic data with better results of static correction of converted wave.