Icebreaker vessels designed for harsh offshore Sakhalin operations

Offshore staff

HELSINKI, Finland – Construction has started of the first hull of three new icebreaking standby vessels at Arctech Helsinki Shipyard.

Russian shipping contractor Sovcomflot has ordered all three for operations in the northeast Sakhalin offshore region, where they will work for Sakhalin-2 operator Sakhalin Energy Investment Co.

The 100-m (328-ft) long, 21.7-m (71.2-ft) broad vessels will provide standby and rescue duties and oil spill recovery, but can also be used as supply ships for cargo transfer or as diving support vessels (each is equipped with a moonpool).

Four diesel generator engines supply total power to each vessel of around 21 MW, with propulsion power of 13 MW. The vessels can accommodate up to 98 personnel.

They have been designed to operate in thick drifting ice for ice management and icebreaking in temperatures down to -35°C (-31°F). Arctech adds that the vessels will be able to proceed independently in 1.7-m (5.6-ft) thick ice.

Newbuilding 512, the first of the three, is due to be delivered by the end of 2016.


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