Hild structure multi-azimuth seismic experiment

Riou, A.; Kravik, K.; Sexton, Paul; Lemaistre, L.; Aubin, V.; Bertini, F.

doi:10.3997/1365-2397.2006015

Cited by 3 publications

(1 citation statement)

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“…The literature is rich with examples of how high-fold multi-azimuth data can produce stunning improvements over their single azimuth 3D equivalents (Rogno et al, 1999, Keggin et al, 2002, Gaus and Hegna, 2003, Arntsen and Thompson, 2003, Riou et al, 2005, Manley et al, 2005, Michell et al, 2006. The literature is rich with examples of how high-fold multi-azimuth data can produce stunning improvements over their single azimuth 3D equivalents (Rogno et al, 1999, Keggin et al, 2002, Gaus and Hegna, 2003, Arntsen and Thompson, 2003, Riou et al, 2005, Manley et al, 2005, Michell et al, 2006.…”

Section: Introductionmentioning

confidence: 99%

Multi-azimuth Streamer Acquisition - Initial data analysis

Rietveld¹,

Keggin²,

Benson³

et al. 2007

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TX 75083-3836, U.S.A., fax 01-972-952-9435. AbstractA thin but complex layer of partially eroded anhydrite and other facies lie at a depth of around 3km across large areas of the Nile Delta in the Mediterranean. Wavefield distortion, attenuation and the generation of complex multiple diffraction noise cause the quality of the underlying seismic image to be highly variable. Multi-azimuth (MAZ) seismic can help resolve these issues and improve the deep pre-Messinian image.Here we discuss the processing flow and initial data analysis of a MAZ streamer dataset. The main elements of the flow used are a standard streamer demultiple followed by Kirchhoff PSTM. The initial data analysis shows that MAZ greatly improves general image quality, signal-to-noise ratio and lateral resolution, and suppresses diffracted and other multiples effectively, despite some of the obvious limitations of the processing flow. Issues and challenges around this approach are discussed.

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