Subsea 7’s latest state-of-the-art deepwater Flex / J-lay vessel, the 'Seven Seas', has completed her first major installation project for StatoilHydro's Yttergryta field in the Norwegian sector of the North Sea.
As part of the StatoilHydro frame-agreement, the ‘Seven Seas’ carried out two offshore campaigns where a 130Te PLEM, 25Te Flowbase and 6km dual lay umbilical / 3" MEG line and three spools were installed. The ‘Seven Seas’ will complete mobilization at Dusavik, Norway for her next project at the BC-10 development in the Campos Basin, Brazil. The vessel has been designed to perform highly specialized subsea laying, construction and engineering work for the deepwater global offshore pipe oil and gas industry and is capable of operating in water depths of up to 3,000 metres. ‘Seven Seas’ was delivered in June and is the fourth in a series of eight new vessels joining the fleet between 2007 and 2010, representing a total investment of over US$1.8 billion. Seven Seas’ was also recently confirmed as the lead vessel for Subsea 7's framework agreement with BP Angola for the development of Block 31. The vessel was designed and constructed by Merwede Shipyward in the Netherlands.
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