Estimating fault displacements in seismic images

Geologic faults complicate the mapping of depositional layers. Most existing seismic image processing highlights fault locations but fails to estimate fault displacements. We model faults as a displacement vector field. Unlike traditional attributes (e.g., semblance or coherence), our estimated vector field provides information about fault displacements, as well as fault locations. This vector field can be used to automatically determine relative displacements of faulted layers and thereby simplify the mapping of such layers.

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