Offshore Construction Vessel (OCV) »Island Venture« is the biggest ship Norwegian Ulstein Verft has delivered to date. The stern was[ds_preview] produced at Crist shipyard in Poland, Ulstein Verft built the bow and assembled both parts. The subsea vessel of the SX165 type was designed by Ulstein Design & Solutions. It features the X-Bow that improves handling in rough seas and reduces hydrodynamic drag. The 14.257 DWT ship was developed for Inspection, Maintenance and Repair (IMR), Remotely Operated Vehicle (ROV) services, well intervention, drilling and handling of well fluids. When equipped with a derrick she can also perform riser-based intervention, top-hole drilling and full plug and abandonment operations.
The ABS-classed newbuilding was originally ordered with a length of 147.5m and a beam of 28m. Later it was decided to increase the deck area and tank capacities. The vessel’s dimensions were extended to 159.8m by 30m with a deck area of 2,250m2. A 400t crane for operations at 4,000m depth as well as a 140t crane with 3,000m of wire have been installed. The vessel has three moon pools – two for ROVs and one construction moon pool of 12m x 11.2m.
Three separate engine rooms provide for operational reliability. The vessel is constructed with three completely segregated redundancy zones according to DP3 Class.
ABB supplied the complete power and diesel electric system package. »Island Venture« features three Schottel Combi Drives of type SCD 710 with an input power of 3,300 kW each. The propulsion system also comprises two 2,500 kW retractable azimuth thrusters forward and two 2,200 kW tunnel thrusters.
»Island Venture« is owned by Island Ventures 5, a joint venture between US-based Edison Chouest Offshore and Island Offshore of Norway.
