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    New-generation IMR vessel Seven Viking delivered

    Vessel & ROV News // January 30, 2013

    Seven Viking is a new-generation IMR vessel.

    Seven Viking, a new-generation inspection, maintenance and repir (IMR) vessel was named at a ceremony in Stavanger, Norway, by Subsea 7, Eidesvik Offshore and Ulstein on 30 January 2013.

    Seven Viking is co-owned by Subsea 7 and Eidesvik and was built by Ulstein Verft in Norway.

    The ICE-C class vessel with a crew capacity of 90 and a top speed of 17 knots, will work for Statoil on a five year contract. It has been custom-built according to the operator’s specifications to carry out tasks including inspection, maintenance and repair of subsea installations in addition to scale treatment and RFO work.

    Seven Viking incorporates the Ulstein X-BOW and is of the Ulstein SX148 design. The vessel is compact, measuring 106.5m long with a breadth of 24.5m.

    Efficiency and environmental considerations have been the prime focus for the three partners when developing Seven Viking, which carries the Clean Design notation.

    A customised module handling system (MHS) has been integrated in the ship’s hangar for the safe launch and retrieval of subsea modules weighing up to 70 tons through the moon pool.

    Seven Viking was developed to meet the highest working environment standards, and is classified as a comfort class COMF-V (3) vessel. Minimal noise levels in the hangar have been achieved by opting for electric winches for the ROVs, the MHS and other utility equipment.


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