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Ultra-Large-Scale Wide-Azimuth Acquisition and Broadband Imaging in the Campeche BasinNormal access

Authors: S.L. Yong, O. Zdraveva, E. Medina, S. Savoie and K. Lyons
Event name: 80th EAGE Conference and Exhibition 2018
Session: Seismic Imaging - Case Histories I
Publication date: 11 June 2018
DOI: 10.3997/2214-4609.201800661
Organisations: EAGE
Language: English
Info: Extended abstract, PDF ( 575.25Kb )
Price: € 20

Summary:
The recent opening of Mexican acreage to foreign companies created a need for reliable regional interpretation over large prospective areas and lead to the wide-azimuth acquisition of new seismic data over ~70,000 km2 in the Campeche basin. In this work, we discuss the overall acquisition and imaging strategy, allowing us to create high-quality, contiguous, broad-band images over large area of extreme geologic complexity in a short turnaround time. We describe all aspects of this strategy from the staged acquisition and fast-track products delivery, through broad-band processing and high-resolution anisotropic earth model building, to the use of complementary migration algorithms enabling supra-salt and subsalt target evaluation in this vast and prospective area located in the most southern part of the Gulf of Mexico.


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