Riemannian Wavefield Extrapolation of Seismic Data

O4 - 01 SEISMIC ACQUISITION & PROCESSING RIEMANNIAN WAVEFIELD EXTRAPOLATION OF SEISMIC DATA 1 1 2 1 1 2 Jeffrey Shragge Paul Sava Guojian Shan Biondo Biondi Sergey Fomel 1 Stanford University Stanford CA USA 2 Bureau of Economic Geology UT Austin Austin TX USA Summary Images of Earth structure are created through seismic wavefield extrapolation which extends surface-recorded data to depth through application of a wave-equation operator. The one-way extrapolation operators are derived from the acoustic wave-equation dispersion relation and are usually defined in a Cartesian coordinate system with a vertical extrapolation axis. Riemannian wavefield extrapolation (RWE) is a