The Seven Borealis is a deepwater construction vessel and a customized version of Ulstein’s SOC 5000 design. The vessel features a 5000 mt mast crane and is capable of performing both J-lay as S-lay operations. Photo: Ulstein Group

Subsea 7 S.A. (Oslo Børs:SUBC) said Thursday that they have been awarded an $800 million subsea, umbilical, riser and flowline (SURF) contract from Total E&P Norge AS for the development of the Martin Linge gas field, located 180 km west of Bergen in the North Sea.

“This project is the largest SURF contract ever awarded on the Norwegian Continental Shelf, and as such represents a step change for our sector in Norway,” says Stuart Fitzgerald, Vice President of Subsea 7 Norway.

The contract includes engineering, procurement, construction and installation (EPIC) of the complete Subsea facilities on the field, including: a 160 km power cable from the Martin Linge platform to Kollsnes; a 70 km export pipeline and associated valve structures, umbilical and spools for the gas export system; a 55 km fibre optic cable; and a 3 km pipeline and riser system from the Martin Linge platform to the floating storage unit. The contract also includes transport and installation of the mooring system for the floating storage unit.

As part of the contract, Subsea 7 will deploy a number of pipelay, construction, diving, ploughing, trenching, and survey vessels, including the recently delivered Seven Borealis, which will install the gas export pipeline.

Engineering and project management will commence immediately at Subsea 7’s Stavanger office, with offshore operations expected to begin in the spring of 2014. The duration of the contract is estimated at four years.

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