Pre-stack deghosting: Bringing out the seismic bandwidth in legacy marine data

Abstract

Broadband seismic processing has been proven in marine seismic data obtained with new acquisition techniques. However, we are challenged with what can be achieved towards improving the bandwidth of many legacy seismic data in our library, of which the acquisition configuration and parameters were lacking of information for proper broadband processing requirements, such as accurate receiver depths. This paper demonstrates some of the broadband processing techniques we applied on legacy 3D and 2D data to bring out the bandwidth and improve the quality of the signal of legacy seismic data.