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Summary We present an approach of propagating pure wave-modes in general anisotropic media accurately. First we obtain pseudo-pure mode wave equations by projecting the elastic anisotropic wave equation onto isotropic polarization direction. Then we correct the projection error of the wavefield propagated with these equations. Pseudo-pure mode wave equation plus projection errors correction provide us accurate pure mode wave propagators. They have many advantages over the original elastic wave equation and the pseudo-acoustic wave equations in anisotropic media. Numerical examples demonstrate the applications to wavefield simulation and reverse-time migration (RTM) of P-wave in transversely isotropic (TI) media.
anisotropic media, approximation, data quality, equation, expanded abstract, geophysics, media, polarization direction, propagator, pseudo-pure mode wave equation, pure mode wave propagator, Reservoir Characterization, seg las vegas 2012, separation, TI media, Upstream Oil & Gas, Wave Equation, wave propagator, wavefield
Oilfield Places: North America > United States > Gulf of Mexico > Central GOM > East Gulf Coast Tertiary Basin > Mississippi Canyon > Block 522 > Na Kika Project > Fourier Field (0.97)
SPE Disciplines: Reservoir Description and Dynamics > Reservoir Characterization > Seismic processing and interpretation (1.00)