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The Leading Edge; April 2007; v. 26; no. 4; p. 504-509; DOI: 10.1190/1.2723214
© 2007 Society of Exploration Geophysicists
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Processing of a novel deepwater, wide-azimuth node seismic survey

Richard Clarke, Ganyuan Xia, Nurul Kabir, Laurent Sirgue and Scott Michell

BP, Houston, USA

Corresponding author: Richard.clarke2{at}bp.com

In the fall of 2005, BP commissioned Fairfield Industries to conduct a large, wide-azimuth survey over Atlantis Field in deepwater Gulf of Mexico. The purpose of the survey was wide-azimuth, subsalt imaging using P-waves. The seafloor topography is complex with scoured furrows at the base of the escarpment. A shallow salt body covers a large part of the survey area and rafts the seafloor at the escarpment, leading to very strong velocity contrasts. The water depth in the area varies from approximately 1300 m above the Sigsbee escarpment to 2200 m below it.






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