First full-azimuth towed-streamer survey offshore Brazil - An acquisition and survey design case study

Soldo, Juan; Mundim, Evaldo Cesário; Lemos, Carlos Eduardo; Garcia, Diego Chagas; Barros, Ana Zélia Nunes de; Diagon, Franck Le; Moldoveanu, Nick; Fenwick, Alastair; Bunting, Timothy; Cooke, Alex; Centeno, R.

doi:10.1190/sbgf2011-002

12th International Congress of the Brazilian Geophysical Society &Amp; EXPOGEF, Rio De Janeiro, Brazil, 15–18 August 2011 2011

DOI: 10.1190/sbgf2011-002

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First full-azimuth towed-streamer survey offshore Brazil - An acquisition and survey design case study

Juan Soldo

Evaldo Cesário Mundim

Carlos Eduardo Lemos

et al.

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Full-azimuth towed-streamer seismic: An exploration tool for pre-salt hydrocarbon exploration offshore Brazil

Cooke¹,

Diagon²,

Marco³

et al. 2012

SEG Technical Program Expanded Abstracts 2012

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With a string of recent discoveries in the pre-salt areas in deep-water offshore Brazil, this hydrocarbon province has proven to be of global importance. The pre-salt reservoirs, however, present many challenges for exploration. In this paper, we describe the acquisition and processing of a fullazimuth towed-streamer seismic survey designed for presalt exploration offshore Brazil. We show that this solution overcomes many of the pre-salt exploration challenges to provide high-quality reservoir information in an efficient manner. Figure 6: Areal map of traveltime residuals (ms) plotted at the 3D VSP source locations, using an intermediate velocity model. Figure 7: Existing 2D depth migration (top) and full-azimuth TTI anisotropic Kirchhoff depth migration of the coil data (bottom). Pre-salt reflections (highlighted) are well imaged 2D data courtesy of TGS and WG

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Full-azimuth towed-streamer seismic: An exploration tool for pre-salt hydrocarbon exploration offshore Brazil

Cooke¹,

Diagon²,

Marco³

et al. 2012

SEG Technical Program Expanded Abstracts 2012

Self Cite

View full text Add to dashboard Cite

show abstract

Comparison between multiazimuth, wide-azimuth, and full-azimuth towed-streamer acquisition: A full 3D finite-difference study in the Santos Basin

Diagon¹,

Moldoveanu²,

Gridnev³

et al. 2017

SEG Technical Program Expanded Abstracts 2017

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First full-azimuth towed-streamer survey offshore Brazil - An acquisition and survey design case study

Cited by 2 publications

References 4 publications

Full-azimuth towed-streamer seismic: An exploration tool for pre-salt hydrocarbon exploration offshore Brazil

Full-azimuth towed-streamer seismic: An exploration tool for pre-salt hydrocarbon exploration offshore Brazil

Comparison between multiazimuth, wide-azimuth, and full-azimuth towed-streamer acquisition: A full 3D finite-difference study in the Santos Basin

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