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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
earth and planetary sciences
Gather flattening
Leading Edge (Tulsa, OK), Volume 26, No. 12, Year 2007
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Description
Getting a good image by stacking after normal moveout (NMO) correction and/or after prestack migration requires reasonably flat gathers. Amplitude variation with offset (AVO) studies on prestack data require flat gathers after NMO. Otherwise slope and intercept attributes get contaminated. When the raypath of the seismic energy includes inhomogeneities, NMO algorithms based on flat layer assumptions, even prestack time migration, may fail to produce flat gathers (Figure 1). Such gathers may require a robust, brute force, gather flattening method. © 2007 Society of Exploration Geophysicists.
Authors & Co-Authors
Gulunay, Necati
Egypt, Cairo
Cggveritas, Egypt
Magesan, Mag
United States, Houston
Cgg, Usa
Roende, Henrik H.
United States, Houston
Marathon Oil Corporation
Statistics
Citations: 3
Authors: 3
Affiliations: 3
Identifiers
Doi:
10.1190/1.2821939
ISSN:
1070485X