TGS begins new 3D survey offshore north-west Africa

Norwegian seismic player TGS has begun a new seismic survey in the Mauritania-Senegal-Guinea-Bissau-Conakry (MSGBC) basin, offshore north-west Africa.

TGS said on Friday that the Senegal North Ultra-Deep Offshore (SN-UDO-19) 3D survey covers over 5,100 square kilometers, with a modern broadband acquisition set-up.

The project is being undertaken in partnership with GeoPartners using the vessel BGP Prospector and with the support of the Senegalese national oil company Petrosen.

This stand-alone survey is located in northern Senegal and is a continuation of the recently completed SS-UDO-19 3D acquisition in southern Senegal.

The survey has been designed to illuminate plays in the ultra-deep, enabling explorers to build upon the successes of the Sangomar field (formerly known as SNE), the Greater Tortue Ahmeyim complex, and Yakaar discoveries.

According to the company, the project has a 75-day acquisition timeline, with fast track data available three months after the acquisition, in time for evaluation of blocks available in the recently announced Senegal Offshore 2020 License Round. The full dataset will be available by the fourth quarter of 2020.

Kristian Johansen, CEO of TGS, said: “This survey will provide the industry with essential subsurface insight ahead of Senegal’s Offshore License Round, which is scheduled to commence early next year. SN-UDO-19 extends our coverage in a highly prospective region where TGS has been actively acquiring data for almost two years.”

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