Mauritania and Senegal Launch Offshore Gas Project with Concrete Caissons
Mauritania and Senegal have deployed 21 concrete caissons, totaling 16,5 thousand tons, to establish an offshore gas terminal. This project enhances regional gas production capabilities by creating a protective barrier for the floating LNG facility, impacting supply chains and energy logistics in West Africa.
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Mauritania and Senegal have successfully sunk 21 concrete caissons, each weighing approximately 16,5 thousand tons, to form a protective barrier for the Greater Tortue Ahmeyim gas project, located 10 kilometers offshore. This barrier, comprising 2,5 million tons of rock, supports a floating gas production unit, facilitating the docking of LNG transport vessels.
The project includes a 1,2-kilometer artificial barrier constructed on the maritime border of the two nations. The floating production facility, Gimi, is integral to the project, processing gas extracted from depths of up to 2,850 meters.
Initial gas production commenced on December 31, 2024, with the first LNG cargo exported by April 17, 2025. By June 2025, the facility reached its commercial operation status, marking a significant step in the region's energy landscape. With operations continuing into 2026, the project demonstrates the necessity of coordinated engineering efforts across multiple phases.
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