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Progress on Rolls-Powered LNG Tugs

September 6, 2012 in HHP, LNG, Marine by Rich Piellisch  |  No Comments

Hulls of Two Buksér og Berging Boats Are 40% Complete

Norway’s Buksér og Berging reports 40% completion of the hulls for two dedicated-LNG escort tugs – said to be the world’s first – for long term terminal service at Statoil’s Kaarstoe terminal in southwest Norway.

Hulls for the two new LNG tugs by Bukser og Berging for Statoil are about 40% complete.

The vessels are under construction at the new Sanmar Denizcilik shipyard on Tuzla Bay on the outskirts of Istanbul. Hulls are about 40% complete, BB chief operating officer Vetle Sverdrup said Thursday. Installation of engines and LNG tanks is to commence by year-end, he told F&F.

The new tugs will have twin US35 Z-drive azimuth thrusters from Rolls-Royce Marine.

The two new boats will each have two lean burn, natural gas-only, C26:33 L6PG engines from Rolls-Royce Marine, as part of a Z-drive package with azimuth thrusters – Rolls’ US35 – with maximum power rating of 2,790 kilowatts, or 3,740 horsepower apiece.

Linde’s Cryo AB in Sweden unit said earlier this year that it will supply an 86-cubic-meter (22,700-gallon) fuel tank for the Buksér og Berging boats.

The new hull and propulsion system will achieve up to 20% higher thrust efficiency compared to standard designs, BB says.

Rolls-Royce announced U.S. EPA approval of its dedicated-natural gas C-Series engines just this week (F&F, September 4).

The two new tugs are to enter service in late 2013.

The LNG system by Linde-AGA Cryo comprises an 86 cubic meter LNG tank (22,700 gallons), two cold boxes and a bunkering system.

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Source: company announcements with Fleets & Fuels/HHP Insight follow-up

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