Norwegian energy data and intelligence company TGS has been tasked with delivering a large-scale multi-client seismic product that will shed light on the exploration potential of Equatorial Guinea’s offshore basins.
TGS has unveiled an agreement with the Ministry of Hydrocarbon and Mining Development of the Republic of Equatorial Guinea to create an ambitious offshore MegaSurvey. The first phase of this extensive seismic initiative is set to include the post-stack reprocessing of approximately 27,273 kilometers of 2D seismic data and around 35,000 square kilometers of 3D seismic data.
The anticipated completion date for this phase is Q3 2026. This initial effort is part of a larger strategy aimed at establishing a harmonized and seamless seismic data product across Equatorial Guinea’s offshore basins. The full vision includes approximately 46,343 line kilometers of 2D seismic data and over 59,000 square kilometers of 3D seismic data, creating a comprehensive data set for exploration activities.
TGS’s MegaSurveys represent a significant leap forward in seismic data production, as they encompass harmonized 3D datasets that cover large contiguous areas. This innovative approach aims to support more accurate geological interpretation, enhance understanding of structural and stratigraphic frameworks, and ultimately reduce uncertainties in exploration processes.
David Hajovsky, Executive Vice President of Multi-Client at TGS, emphasizes the unique nature of this initiative, stating: “The Equatorial Guinea MegaSurvey is the first of its kind in the country and will apply TGS’s latest imaging technology to address key subsurface challenges and support exploration risk reduction across the Rio del Rey and Rio Muni basins.”
Hajovsky further elaborates that the product is designed to equip customers with a basin-wide regional screening tool, facilitating prospect identification, ranking, and planning for future work commitments. This comprehensive dataset is expected to significantly enhance informed decision-making in exploration activities.
The MegaSurvey not only promises to deliver valuable insights into the prospectivity of Equatorial Guinea’s offshore basins, but it also aims to integrate and reprocess legacy datasets into a cohesive regional framework. This integration is vital: as Hajovsky points out, “Basins do not stop at geographical borders,” highlighting TGS’s ambition to develop broader, seamless regional data products throughout the Gulf of Guinea.
In addition to this groundbreaking contract in Equatorial Guinea, TGS has been busy securing multiple new deals, such as a recent contract for offshore wind site characterization in Europe, showcasing its versatile engagement in the energy sector.
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