U.S.-SOVIET JOINT VENTURE TO PRESS SEISMIC PRESTACK INTERPRETATION

Geophysical companies are seeking new ways to extract information from seismic reflection data lost or hidden by common depth point (CDP) stacking, a standard processing technique. A new U.S.-Soviet joint venture that will specialize in prestack interpretation cites two problems with conventional CDP stacking: CDP assumptions aren't valid in areas of complicated structure and in the presence of velocity anomalies. The stacking process tends to remove or smear important characteristics of

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