Prestack Depth Migration Workflow is based on the assumption that the correct velocity model will produce flat migrated gathers. If migrated gathers are not flat it indicates the presence of a velocity error. These errors are used as input to our tomographic algorithm to generated an updated velocity model. This new updated velocity model is used to re-migrate the data and eliminate the depth errors.
BE® Imaging is a preprocessing step that enhances the spectral content of the data making it broadband and hence higher resolution.
True depth anisotropy in complex geological settings© (presented at SBGf, August, 2015)
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