Seismic Migration: Theory and Practice |
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acoustic acoustic wave equation amplitude angle aperture approximation bulk modulus Claerbout CMP stacked constant offset constant velocity coordinates Courtesy Conoco Inc data set depth migration derivative diffraction discrete Fourier transform dispersion relation downward continuation Exploding Reflector Model Exploration Project Report extrapolation f-k migration Fermat's Principle finite difference Fourier transform Fresnel zone function geophone hyperbolic impulse response integral interval velocity inversion k₂ lateral velocity variations method midpoint migrated section migration algorithm migration formula migration operator moveout phase phase-shift migration plane wave prestack migration problem profile migration ray path ray tracing record section residual migration rms velocity seismic data shear modulus shown in Figure solution source and receiver spatial Stanford Exploration Project stationary phase approximation Stolt Stratigraphy structure subsurface surface unmigrated unstacked data variable velocity velocity changes vertical wave field zero zero-offset