Constant-velocity anti-aliasing three-dimensional integral dip moveout

Patrick Blondel

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ABSTRACT

A method of three-dimensional integral dip moveout processing for constant-velocity media must cope with problems related to amplitude and aliasing. The convolution of the dip moveout operator with triangle functions avoids the aliasing effect. A study of different amplitude weightings leads to the choice of the weighting scheme derived from a Fourier domain expression of dip moveout Black et al. (1993). Testing the method on a 3-D synthetic data set shows the conservation of the amplitude-versus-offset (AVO) effect throughout the dip moveout (DMO) process.