Understanding current techniques in prestack migration processing, both in time and depth, is fundamental in devloping strategies to image the sub-surface both in delineating subtle straingraphic traps and mapping the prolific sub-salt structures in the Gulf of Mexico, Offshore Brazil and West Africa. O Prestack Depth Migration Including Velocity Model Building (2 parts) The day finishes with a a topic that has been researched and developed for the past 20 years leading to some novel techniques of removing the free surface without required any knowledge of the subsurface. We then discuss deconvolution from mathematical perspective including Wiener filtering and spectral factorization. We lead with a discussion of advanced seismic acquisition techniques which have had major implications on the seismic service industry and in particular data processing workflows. Fundamentals of Advanced Seismic Acquisition and Data Processing
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