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3D ACOUSTIC REVERSE‐TIME MIGRATION 1
Author(s) -
CHANG WENFONG,
McMECHAN GEORGE A.
Publication year - 1989
Publication title -
geophysical prospecting
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.735
H-Index - 79
eISSN - 1365-2478
pISSN - 0016-8025
DOI - 10.1111/j.1365-2478.1989.tb02205.x
Subject(s) - extrapolation , geology , seismic migration , acoustic wave equation , offset (computer science) , oblique case , reflector (photography) , planar , acoustics , acoustic wave , optics , physics , geophysics , mathematical analysis , computer science , mathematics , light source , linguistics , philosophy , computer graphics (images) , programming language
Acoustic reverse‐time finite‐difference migration for zero‐offset data is extended from two‐ to three‐dimensional media. The formulation is based on the full three‐dimensional acoustic wave equation and so has no dip restrictions and it involves extrapolation in a velocity distribution variable in three dimensions. The algorithm is demonstrated by successful migration of synthetic data sets for three models: a point diffractor, an oblique pinch‐out, and a dome overlying a planar reflector.