Wavefield redatuming can be very efficient to overcome the overburden imprint on the target area. Due to an increasing amount of 3D data it becomes more and more important to develop a feasible method for the redatuming of 3D prestack data. We propose an approach that can be used in general for wave-equation datuming and present a strategy to perform CFP-redatuming of sparse 3D data using this approach. Two tests applying the modified redatuming approach to synthetic 2D data show satisfying results implying, that this method, indeed, can be used for the redatuming of sparse 3D data.


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