Nexans has won a contract from McDermott Marine Construction Limited to supply approximately 100 km of subsea umbilicals and accessories for a West African offshore project.
A press release said that the order is for the Greater Tortue Ahmeyim natural gas project, which will be 120 km offshore of the bordering countries of Mauritania and Senegal. Nexans will provide management, procurement, engineering, manufacturing and testing activities for the umbilicals and ancillary hardware. The electrical cables and fiber optics will be manufactured at Nexans Norway plant in Rognan, and the umbilicals will be developed, manufactured and tested at Nexans Norway specialized plant in Halden. The delivery will take place in 2021.
The Tortue field has a water depth of 2,850 m, the release said. The production system ties back some 70 km to a spread moored floating production storage and offloading) unit at the shelf edge at a water depth of 100-120 m. The gas will travel 35 km to a near-shore hub and terminal facility to be liquefied and offloaded to LNG carriers.