![[Image] UT 776 WP - a large platform supply vessel which undertakes supply duties between land bases and offshore installations.](/Images/UT-776-WP-PSV-450x200px_tcm92-39287.gif "[Image] UT 776 WP - a large platform supply vessel which undertakes supply duties between land bases and offshore installations.")
The UT range of platform supply vessels provides excellent motion characteristics and optimised operational costs versus cargo capacity.
These also enhance supply capacity on a modest draught. The design is furthermore construction-friendly. Rolls-Royce offers a broad range of PSVs, from small vessels with the most up-to-date features to larger complex vessels.
A typical operation for a platform supply vessel is the transport of pipes, cement, liquid and cargo to and from mainland and offshore installations. These vessels can also double up as rescue and stand-by vessels etc.
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Rolls-Royce offers a broad range of PSVs, from small vessels with the most up-to-date features to larger complex vessels.
UT 776 WP - Deck area 1000sqm
The UT 776 WP is designed with the following capabilities
- Pipe carrier
- DP2 service
- ROV service
- Subsea service (prepared for moonpool)
- Safety/Rescue services
- Fire fighting (FiFi)
- Oil recovery services
- Medium or high speed diesel engines
- Lean burn gas engines
- Safer deck operations
UT 776 WP is a large platform supply vessel (PSV) which undertakes supply duties between land-bases and offshore installations. The UT 776 WP is an optimised construction based on the very successful UT 776 CD/CDG. The PSV has excellent seakeeping performance, optimised speed and manoeuvrability and excellent DP2 capabilities.
The vessel is specially designed for services to installations in deep waters far from the land bases. The hull form has a proven track record as the most fuel efficient PSV in the market.
The model can also be delivered with lean burn gas engines. The cargo deck area of over 1,000 sq.m is prepared for utilization of the ASFA system for automated fastening of cargo. The propulsion system is based on a diesel/gas electric generating system with Azipull propulsion system.
UT 771 WP - Deck area 800sqm
The UT 771 WP is designed with the following capabilities:
- Pipe carrier
- DP2 service
- ROV service
- Safety/Rescue services
- Fire fighting (FiFi)
- Oil recovery services
- Medium or high speed diesel engines
- Safer deck operations
- Cargo rail cranes
UT 771 WP is a medium size platform supply vessel (PSV) which undertakes supply duties between land bases and offshore installations.
The model is specially designed for medium to long passages between its destinations and has an optimised hull form that delivers excellent seakeeping, high-speed under rough weather conditions and large cargo capacities. The model is designed for diesel electric medium or high speed machinery and Azipull propulsion system.
The cargo deck area of 800 sq.m, is well protected and has a deckload of 10t/sq.m.
UT 755 CD - Deck area 650sqm
The UT 755 CD is designed with the following capabilities:
- Pipe carrier
- DP2 service
- ROV service
- Subsea service
- Safety/Rescue services
- Fire fighting (FiFi)
- Oil recovery services
- Safer deck operations
- Cargo rail cranes
UT 755 CD is a medium size platform supply vessel (PSV) with a deck area of approx. 650 sq.m. The UT 755 is one of the most popular PSVs ever constructed, and more than 200 vessels of this model has been built or are under construction.
It has become the reference to the industry when it comes to efficient and optimised vessels for offshore service duties. The CD version is delivered with a diesel electric machinery system and Azipull or US thrusters or as a diesel mechanic version with conventional shaftlines.
First gas powered Platform Supply Vessel delivered to Island Offshore
Island Crusader has now entered service with Island Offshore and is the first offshore vessel to have lean burn gas engines as main engines supplied by Rolls-Royce. The new and advanced UT 776 CDG platform supply vessel is the first of two ordered by Island Offshore.
Rolls-Royce developed a gas-electric/diesel-electric propulsion system for the new vessels. Attention to the engine room and gas storage layout means the deadweight and cargo volume is in no way diminished by the LNG storage tanks.
Main propulsion is by Azipull thrusters, each handling 2,500kW, and the auxiliary thruster outfit comprises a swingup azimuth thruster and two tunnel bow thrusters. Power is provided by two Bergen 9-cylinder C26:33 gas generator sets and two Bergen C25:33 6-cylinder diesel fuelled units.
In normal service, the gas engines alone will provide all the necessary power. The effective capacity of the gas tanks is about 200m³, sufficient for 10-20 days operation on gas alone, depending on the vessel’s operating profile.
In cases where more power is required the diesel gensets will contribute. Should the vessel need to operate where there is no LNG bunkering infrastructure, the diesel engines will provide the power.
The innovative UT 776 CDG is the first of its kind and is designed to reduce environmental impact while increasing fuel efficiency.
Island Crusader will operate in the North Sea undertaking transport, supply and service duties between onshore supply bases and offshore drilling sites. It will also be equipped for oil recovery.
Including this latest delivery, Island Offshore has seven UT 776 CD platform supply vessels in service and three more under construction.
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