Island Performer

 IMO 9682045

Delivered on 8 July 2014. The vessel was customised to suit the scope of work in a five-year contract for FTO in the Gulf of Mexico, in which Riserless Light Well Intervention (RLWI) and Inspection/Maintenance/Repair (IMR) are the main tasks. A large intervention tower is placed over the 8-by-8-metre main moon pool. She is equipped with a 250-tonne AHC offshore crane with a below-deck winch and carries two ROVs, one to be launched through a dedicated moon pool and the other from the starboard side. 
However, the first assignment was to investigate the sea bottom for the RogFast mainland connection in Norway.

"Island Offshore has previous experience with this design. The two SX121 designed vessels already in our fleet have proved to be very successful to us."
Håvard Ulstein, managing director at Island Offshore

The vessel has large accommodation, storage and lifting capacities. She meets the highest standards for station keeping, redundancy and dynamic positioning (DYNPOS AUTRO, equivalent to DP3). Also, operability in DYNPOS AUTR (DP2) operational mode is maximised due to the 'Operation+' feature with a three-split configuration. This setup allows the vessel to retain system integrity and to continue operations uninterruptedly even after a substantial single system failure. 

A shelter deck with a multi-skidding system extends past the main moon pool and aft to the main crane. This increases the operational window for moon pool work and offers a shielded space for various equipment. The design also includes a heavy-load cargo deck for transporting equipment for a multitude of operations and construction work.

"Island Performer" has been developed and built according to the latest international regulations, and safety and comfort are two key issues. The vessel is equipped with resiliently mounted tunnel thrusters, and she carries the DNV class notation Comfort Class (COMF-V1), which ensures that noise and vibrations are kept at a minimum. SCR (Selective Catalytic Reduction) catalysts are installed for all engines. An ESD (Emergency Shut Down) system is installed to automatically close down systems in case of a hydrocarbon leakage. "Island Performer" has a crew capacity of 130, and in case of evacuation, each of the lifeboats on the starboard and port sides can accommodate everyone on board. Carrying the innovative X-BOW®, the vessel has reduced speed loss in head seas, resulting in reduced fuel consumption and emissions to air.

2019: The Houston-based C-Innovation, an affiliate of Edison Chouest Offshore, has been contracted to perform riserless light well intervention (RLWI) to support BP's deepwater activities in the Gulf of Mexico. The initial contract calls for mechanical and hydraulic acid stimulations, which will be executed using C-Innovation's offshore construction and light well intervention vessels, the Island Venture and Island Performer. An ULSTEIN SX165 design, the Island Venture is dynamic positioning class 3 capable, with an overall length of 160 m, a beam of 30 m, a draught of 9 m, with accommodation for 239 and a deck area of 2,250 m2. It is fitted with an active heave-compensation offshore crane with a 400-tonne capacity. Slightly smaller than Island Venture, the Island Performer is an ULSTEIN SX121 design, with a length of 130 m, beam of 25 m, draught of 7.6 m, accommodation for 130 and deck area of 800 m2. C-Innovation will perform the RLWI activities in water of up to 2,000 m on different assets within the Gulf of Mexico, with a projected start in July. 

2020: The Island Venture, Island Performer, and Holiday vessels are shown here working on tree, jumper, and commissioning operations in the Gulf of Mexico.