TGS’ data library has been instrumental in revealing the potential of offshore Brazil by providing the foundation for confident mapping and evaluation of pre-salt targets in the Campos and Santos basins.

Data for Discoveries in the
Brazil Pre-Salt Basins

Over the last 30 years, the vast “petroliferous” margins of Brazil have consistently provided some of the largest discoveries in the world. High-quality seismic data serves as a critical tool for exploration and production companies, enabling them to unlock and develop the premier resources of the pre-salt play in the Santos and Campos Basins. 


The National Energy Policy Council (CNPE) has recently approved the inclusion of seven additional pre-salt blocks—Cerussita, Aragonita, Rodocrosita, Malaquita, Opala, Quartzo, and Calcedônia—in the Brazilian National Petroleum Agency's (ANP) Permanent Offer Program. Located within the pre-salt polygon of the Santos Basin, these highly prospective blocks contain both pre- and post-salt targets. They are scheduled for auction under the Production Sharing Regime (OPP) in June 2025. Additionally, the ANP has announced a bid round offering 14 blocks across the Campos and Santos basins under the same Production Sharing Regime. These include the Citrino, Itaimbezinho, Jaspe, Larimar, Onix, and Turmalina areas in Campos, as well as the Agata, Amazonita, Ametista, Esmeralda, Jade, Mogno, Safira Leste and Safira Oeste areas in Santos.


TGS provides comprehensive 3D seismic coverage across all 21 blocks within the pre-salt polygon. Our high-quality datasets offer exceptional regional continuity, highlighting key pre-salt targets and delivering critical insights to help unlock the full potential of these valuable exploration opportunities.

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Geology

TGS’ extensive dataset over Campos deepwater reveals new geological insights, resolving complex structures and key petroleum system elements in pre-salt and post-salt plays.

Our basin study work confirms that pre-salt exploration in the Santos basin could yield further significant discoveries. Many oil companies also recognize this potential and need high-quality seismic data to mitigate exploration risk.

Imaging

To overcome the geological challenges and support exploration across the Campos Basin, TGS designed a comprehensive seismic campaign. This campaign includes rejuvenating legacy seismic along with the acquisition of new long-offset data.

A modern reprocessing sequence has been applied to the full 49,000 sq. km. of Santos Vision data. Using advanced processing and imaging techniques the results offer reliable images that limit exploration risk.

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