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Seismic imaging adjacent to and beneath salt diapirs, UK North SeaNormal access

Author: J.M. Reilly
Journal name: First Break
Issue: Vol 10, No 10, October 1992 pp. 383 - 397
DOI: 10.3997/1365-2397.1992020
Language: English
Info: Article, PDF ( 10.8Mb )
Price: € 30

Summary:
Recovery of coherent reflection events from beneath large-scale salt diapirs is a persistent problem throughout the North Sea. Similarly, proper imaging of salt flank structures faces a comparabIe, yet different, set of challenges. Conventional stacked section data quality is commonly degraded by significant non-hyperbolic moveout of the sub-salf and salt flank reflectors. The application of conventional Normal Moveout (NMO) stacking routines often results in substantial reflector smear of both the flank and sub-salt data. Dip Moveout (OMO) can result in significant improvement in the stacking component of the imaging problem but is not without risk.


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