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Rolls Claims a Marine Natural Gas First

June 22, 2012 in LNG, Marine by Rich Piellisch  |  No Comments

Rolls-Royce is talking up delivery of the first offshore vessel to be powered by its dedicated-natural gas engines, as Norway’s Island Offshore has taken delivery of the liquefied natural gas Island Crusader.

Norway’s Island Offshore has taken delivery of the Island Crusader, with dedicated-natural gas engines allowing it to operate entirely without diesel.

The 315-foot UT 776 CDG – G designates gas – platform supply vessel is the first of two ordered by Island Offshore.

The Island Crusader hull was built at STX OSV at Braila, Romania, Island Offshore says, and the shipped was equipped by STX OSV at Brevik, Norway.

Rolls-Royce graphic shows LNG-powered Island Crusader’s natural gas fuel tanks and engine systems.

“A very important area for Island Offshore is reduction in fuel consumption,” Island Offshore MD Håvard Ulstein says in a Rolls-Royce Marine release. “With the UT 776 CD, the favorable hull lines contribute to a very low consumption rate over a wide range of operating draughts. We believe that the most significant contribution to reducing emissions is to reduce fuel consumption for a given amount of work done.

‘LNG Fuel Is a Logical Step’

“Going for LNG fuel is a logical step in reducing emissions even further,” Ulstein said

“This innovative vessel is the first of its kind and is designed to reduce the impact on the environment while increasing fuel efficiency,” said Jørn Heltne, Rolls-Royce senior VP for ship technology.

Island Crusader is the first offshore vessel to feature lean burn gas engines as main engines, Rolls says, acknowledging however that the vessel is also equipped with diesel engines “for periods when it needs to operate away from gas supply.”

The new ship will operate in the North Sea undertaking transport, supply and service duties between onshore supply bases and offshore drilling sites, Rolls says. It is 96 meters long and will also be equipped for oil recovery.

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Source: Rolls-Royce Marine and Island Offshore, Fleets & Fuels research

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