en.Wedoany.com Reported - TGS has signed an agreement with the Ministry of Hydrocarbons and Mining Development of Equatorial Guinea to create a large-scale multi-client seismic dataset covering the country's offshore basins, marking the launch of the first phase of the planned national MegaSurvey.

The initial phase of the project plans to perform post-stack reprocessing of approximately 27,273 kilometers of 2D seismic data and about 35,000 square kilometers of 3D seismic data, with completion expected in the third quarter of 2026. TGS stated that the MegaSurvey is a unified 3D seismic dataset covering a large continuous area, capable of supporting geological interpretation, deepening understanding of structural and stratigraphic frameworks, and helping to reduce exploration uncertainty.

This project is the first phase of a broader initiative aimed at creating a unified, seamless seismic data product for Equatorial Guinea's offshore basins. The long-term vision for the entire project includes approximately 46,343 kilometers of 2D seismic lines and over 59,000 square kilometers of 3D seismic data. TGS noted that the MegaSurvey will apply its latest imaging technology to address subsurface challenges and support exploration activities in the Rio del Rey and Rio Muni basins.

David Hajovsky, Executive Vice President of Multi-Client Business at TGS, stated that the Equatorial Guinea MegaSurvey is the first project of its kind in the country, applying the company's latest imaging technology to address key subsurface challenges and reduce exploration risks in the Rio del Rey and Rio Muni basins. The product is designed to provide clients with a basin-wide regional screening tool, supporting prospect identification, prospect ranking, and planning for future work commitments.

TGS said the project will integrate and reprocess legacy datasets into a unified regional framework, providing new insights into the hydrocarbon potential of Equatorial Guinea's offshore basins and supporting exploration decisions. The company added that the agreement supports its long-term goal of developing a broader regional seismic product within the Gulf of Guinea.

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