80-engine order for bunker tankers

The Wärtsilä 20 medium  speed engine The Wärtsilä 20 medium speed engine
Industry Database

Wärtsilä has announced an order for 80 main engines for bunkering tankers for a Chinese operator. The company says that in terms of the number of engines, this represents one of its largest-ever orders.

Reliability and the global service support network were cited as being key factors in the award of this contract. The €23 million order is for main engines for 40 new bunkering tankers being built for China’s Brightoil Petroleum Group. Each of the tankers will be powered by two 6-cylinder Wärtsilä 20 medium-speed engines. Delivery of the first 10 engines is scheduled to take place between December 2010 and June 2011. Wärtsilä has also signed an 8-year spare parts and technical services agreement with BPG for all 80 engines.

The bunkering tankers will be of two sizes, 4100 dwt and 7000 dwt, and both designs have the same power configuration in a twin-screw propulsion solution. Some of the vessels will operate in Chinese waters and will be CCS classified. The remainder will trade in international waters and be classified by Bureau Veritas (BV).

Power for wind ship

Another recent medium speed contract for Wärtsilä  is with Lamprell of the UAE to supply a complete ship power system for a new wind turbine installation vessel. The owner is Fred Olsen Windcarrier, and the ship, the first of two, is scheduled to be launched in summer 2012.

The scope of supply includes one 6-cylinder, two 9-cylinder and one 12-cylinder generating sets based on the Wärtsilä 32 engine, the bow thrusters, the power drive, and the automation systems.

A diesel-electric configuration was chosen to accommodate the operational profile, by engaging only the required number of generating sets in order to optimize engine loading, rationalise fuel consumption, and ensure the economical operation and tightly controlled emissions.

The ship will be 131m long with a beam of 39m, and capable of speeds of up to 12 knots. It will be equipped with DP technology, and will be able to transport on deck up to 10 wind turbines, each with rotors of more than 100m diameter. Wartsila believes that demand for offshore wind energy could translate to a huge demand for installation vessels.

Heavy lift order

Wärtsilä is to deliver a ship power system for a 38,000 tonnage semi-submersible heavy-lift vessel for Chinese customer Zhejiang Share-ever Business, a privately owned company with more than 20 large-size vessels, including 72m offshore platform supply ships, ocean cargo carriers of between 27,000 and 50,000 tonnes, and drag-suction dredgers.

The new vessel will operate globally in offshore waters for loading and transporting large-size offshore equipment required by the oil and gas industry. The engine configuration is based on Wärtsilä 32 medium speed engines, and includes three 9-cylinder in-line Wärtsilä 32 generating sets for a diesel electric installation, and three tunnel thrusters.

The 38,000 tonne self-propelled semi-submersible has a total length of 195m with a moulded width of 41.5m. It features automated management, an unattended cabin, dynamic positioning, and a service speed of 13.5 knots.

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