Subsea 7 has been awarded a contract valued at approximately US $380m by Statoil for the operator’s deepwater Aasta Hansteen gas field in the northern Norwegian Sea.

The contract comprises the design, coating, fabrication and installation of 19 km of rigid flowlines; and the coating, fabrication and installation of four Steel Catenary Risers (SCRs). The scope of work also includes the engineering, procurement, installation and commissioning (EPIC) of rigid spools and monitoring systems for the SCRs, and protection structures and anchors for the risers, flowlines and the Spar. Further work includes the transportation and installation of the mooring system for the Spar buoy.

The pipeline production activity for the SCRs and pipelines will take place at Subsea 7’s spoolbase at Vigra, Norway. Project management and engineering will start immediately at Subsea 7’s offices in Stavanger, Norway, with offshore operations commencing in 2015 and 2016.

The Aasta Hansteen project represents a number of firsts on the Norwegian Continental Shelf in terms of water depth and technology solutions, said Subsea 7. The project will see the installation of the first Steel Catenary Risers in the Norwegian Sea, and the installation of mechanically lined pipe by reeling. It is also the first Spar to be installed offshore Norway.

- Deep Ocean, meanwhile, was awarded a contract for the supply and installation of a 140 km fibre-optic cable connecting the field to existing infrastructure near the Norne field. This is also an EPCI contract worth an estimated NOK 165m ($28m).

The contracts are call-offs on framework agreements for pipelaying and subsea installations. The assignments will start immediately, with installation seasons in 2014, 2015 and 2016. Completion is scheduled for the fourth quarter of 2016.

Offshore