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We present a true-azimuth 3D free-surface multiple attenuation workflow for shallow-water environments with complex seafloor topography. The workflow uses a modified approach with two steps: 1) it attenuates multiples with bounces in the water layer using a hybrid wavefield extrapolation method, and 2) it attenuates remaining free-surface multiples using a general surface multiple prediction method. On a North Sea dataset, results show accurate prediction and attenuation of all free-surface multiples, demon

Author

ryan rj

Language

EN