Wärtsilä solutions for Maersk AHTS vessels

28 Nov 2014
The 95m vessels will be used in deep water offshore oilfield

The 95m vessels will be used in deep water offshore oilfield

Wärtsilä is to supply fully integrated solutions for a new series of six Anchor Handling Tug Supply (AHTS) vessels being built in Norway for Maersk Supply Service AS.

The 95m vessels, which will be used in deep water offshore oilfield operations, will feature a Wärtsilä power generation solution, electrical distribution and drives system, vessel automation system and propulsion system. Wärtsilä says all these systems will be fully integrated to provide optimal power, efficiency, versatility and redundancy, while having the lowest operating expenditures (OPEX) and a minimal environmental impact.

“With offshore oil and gas exploration moving to deeper waters and ever more challenging conditions, the emphasis is increasingly on efficient and reliable vessels with low operating costs and a minimal environmental footprint,” said Magnus Miemois, vice president, Solutions, Wärtsilä Ship Power.

“We have selected Wärtsilä’s fully integrated, fuel efficient and flexible propulsion system to give the performance we need. This integration capability will enable good fuel economy, low emissions, and excellent station keeping. This certainly adds considerable value to the equipment package,” added Peter Kragh Jacobsen, head of special projects and newbuilding, director, Maersk Supply Service A/S.

In addition, Wärtsilä will supply comprehensive project services, including project management, engineering, yard support, and commissioning. The vessels’ power generation solution will be based on the latest model of the Wärtsilä 32 and Wärtsilä 20 generating set.

The Electrical and Automation system is centred on Wärtsilä’s proven and popular LLC (Low Loss Concept) power distribution system for electric and hybrid propulsion applications, said to enhance energy efficiency and offer good redundancy.

The propulsion system includes two Wärtsilä controlled pitch propellers (CPP), Wärtsilä Airguard Seal and five Wärtsilä transverse thrusters. Wärtsilä says these systems will ensure optimised operational efficiency while, at the same time, providing both the owner and the yard with single supplier time and cost saving benefits.

There is an option for an additional four vessels within this series.

The first six vessels are scheduled for delivery between the fourth quarter of 2016 and the third quarter of 2017. If the option is taken up, the additional four vessels will be delivered in the beginning of 2018.

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