Wartsila Vasa 32 Engine In Demand For New Generation Drilling Rigs

One of the most popular types of diesel engines for the new generation of semisubmersible drilling rigs is, according to the manufacturer, Wartsila Diesel's Vasa 32. As many as 14 of some 20 deepwater harshenvironment semisubmersibles ordered by such leading Norwegian and U.S. offshore drilling companies as Sonat Offshore Drilling, ODECO, Reading & Bates Exploration, Smedvig Drilling and Ross Drilling, will be equipped with Wartsila Vasa 32 engines.

The new types of rig, most of which are under construction in Japan and South Korea, are designed for severe operating conditions. Dynamic positioning is one of the main features. The total engine output on board these rigs will be from 13,500 kw to 32,500 kw (18,200-43,900 hp).

Reliability and operational economy are most important in the selection of engines for the new generation of semisubmersibles. The advanced technical features of the Wartsila Vasa engines, including patented pressure lubrication of the piston skirt, a load-dependent temperature control system and a turbocharging system developed for good low-load performance, combined with a long operational experience in the Arctic, make the Vasa engines an ideal choice for these rigs.

The Wartsila Vasa 32, with a bore of 320 mm and a stroke of 350 mm, is one of the most popular diesel engines within its output range at the moment. The output of the Vasa 32 is 1,480-6,750 kw (2,010-9,180 hp) in a speed range of 720-800 rpm.

The Vasa 32 is capable of burning fuel viscosities up to 700 cSt/50°C/ 700 sRI/100°F). The engine manufacturer, Wartsila Diesel, is one of the world's leading suppliers of diesel engines for marine and landbased installations.

For free literature on Wartsila's Vasa 32, Circle 14 on Reader Service Card

Maritime Reporter Magazine, page 12, Aug 1985

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Maritime Reporter

First published in 1881 Maritime Reporter is the world's largest audited circulation publication serving the global maritime industry.