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    COSL to build Skipsteknisk-designed seismic ships

    Vessel & ROV News // July 22, 2009

    China Oilfield Services Limited (COSL) has commissioned the Chinese shipyard Shanghai Shipyard to build a 3D deepwater seismic vessel.

    The vessel COSL720 will be a 12-streamer vessel powered by with diesel-electric machinery. The 3D seismic vessel will be classed by China Classification Society.

    The COSL 720 is based on a Skipsteknisk ST-327L CD design. The vessel will have a length of 107m and a beam of 24m. The accommodation is arranged for 75 persons.

    The vessel's diesel-electric propulsion system will have four diesel generators producing a total of 18,000kW. The vessel has twin propeller arrangement each run by a 4,500kW AC frequency controlled electric motor.

    For Skipsteknisk this is a very important contract. It is the first design contract the company has won from a Chinese company and the first ST-vessel to be built in China.

    Delivery of the vessel is scheduled for the first half of 2011.


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