Gabon South Basin 3D BroadSeis Survey

CGG is advising the DGH on the promotion of the 11th Gabon Deep Water Licensing Round focusing on five blocks covering some of the country's key deep water acreage, full details of which can be found at In response to the exploration challenges CGG has worked directly with the Ministry to acquire over 25,000 km2 of new 3D BroadSeis™ multi-client seismic data, which is available now, to enable evaluation of this prospective area. This will form the keystone of a major integrated geological and geophysical study of the region.

gabon license map

The survey covers areas downdip and adjacent to recent pre-Aptian salt discoveries such as Ruche and Tortue, discovered in 2012 in the Dussafu Block, and Diaman, discovered in 2013 in the Diaba Block.

In addition to high-quality seismic data, a comprehensive, fully integrated geoscience package will be delivered, including:

  • Regional geological analysis to take in source, reservoir and seal rock distribution
  • Potential fields data
  • Satellite imagery
  • Detailed analysis of key wells
  • Seismic interpretation

The integration of geological knowledge, well and gravity data with the seismic data, combined with advanced imaging including extensive QC using AVO tools, will ensure delivery of a high-quality, reservoir QC’d, broad-bandwidth data volume. The goal is to reduce the time spent by exploration companies in the conditioning and integration of data and allow more time to be spent on the identification of new prospects and play models.

 Explore the GeoStore interactive map and see details of all CGG's multi-client data in this area.

Geological Xsection

The objective is to improve the imaging of potential prospective structures at base salt level without compromising the shallower post-salt image quality. The survey covers areas downdip and adjacent to recent pre-Aptian salt discoveries such as Ruche and Tortue discovered in 2012 in the Dussafu Block, and Diaman discovered in 2013 in the Diaba Block.

The final pre-stack depth migrated dataset is available now, along with the first volume of the geological report.The second volume, consisting of a full basin model and prospectivity report will be available in Q3 2017.

GabonFinPSDMBroadSeis Final Kirchhoff PSDM data from our deep water Gabon South Basin multi-client survey, showing clear faulting both pre- and post-salt.


For more details please contact:

 Regional Contact
 Regional Contact 

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Multi-Client Data - GeoStore


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