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July 31, 2016

Damen Shipyards Group unveils new decommissioning vessel concept

Damen Shipyards Group has unveiled its new decommissioning vessel concept, which has been developed by one of the company’s undergraduate interns, currently studying at Rotterdam Mainport University of Applied Sciences, through an in-house research project.

Damen Shipyards Group has unveiled its new decommissioning vessel concept, which has been developed by one of the company’s undergraduate interns, currently studying at Rotterdam Mainport University of Applied Sciences, through an in-house research project.

The new concept specialises in three core areas of the oil and gas decommissioning sector, including topside decommissioning offshore platform removal, as well as subsea cleaning and removal.

As per preliminary estimate, the vessel will be able to perform decommissioning of fixed platforms up to 1,600t in weight. The number represents over half of global fixed platforms located in the North Sea.

"The new vessel concept is a monohull design that has a split stern, which will be helpful during platform removal operations."

Rotterdam Mainport University of Applied Sciences maritime technology student Justin Rietveld, who is involved in the project said: “This research started off with the idea of developing a decommissioning vessel based on Damen’s existing portfolio.

“However, we soon found out that this market needs more.

“For example, there are many different activities within the decommissioning sector. This vessel can support a vast number of those. We have developed a concept to cover the bigger part of this new and exciting market.”

The new vessel concept is a monohull design that has a split stern, which will be helpful during platform removal operations.

Rietveld added: “This ship will be able to reverse up to a jacket, where it will be ballasted to sink below the platform.

“Upon deballasting, the vessel will rise up to pick up the platform.”

The new vessel concept also includes modular add-ons to provide maximum flexibility to clients.

The owners of the vessels will be able to optimise productivity as well as bridge the potential gap between decommissioning contracts with other roles.

Damen plans to continue the decommissioning vessel project and will implement it in future.


Image: Damen Shipyards Group reveals new decommissioning vessel concept. Photo: courtesy of Damen Shipyards Group.

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