Multiple, Diffractions and Diffracted Multiples in the South China Sea: How Dense Does Our Acquisition Geometry Need to Be?

Multiples, diffractions and their multiples are a common feature of marine seismic data. In some areas of the South China Sea, the residual multiples are a significant problem as they are coincident with the reservoir section. In this instance, we need to devote significant resources to further attenuate the multiples, particularly the diffracted multiples. The challenge is to assess how much effort is sufficient and is that effort required during data acquisition, data processing, or both?