Abstract

Interpreting depth-imaged data requires attention to elements of uncertainty different from those associated with time-imaged data. In particular, an interpreter must visualize how the migration velocity model affects focusing and positioning of reflections in final images and, consequently, interpretation of the geology contained in those images. The availability of several versions of depth imaging based on a single velocity model but with different migration algorithms complicates interpretation in that the interpreter must decide which version provides the most accurate representation of the true geology.

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