Pieter Schelte arrives in Rotterdam

A unique and long-awaited sight arrived at one of Europe's busiest ports today - Allseas' 382m-long, 124m-wide platform installation/decommissioning and pipelay mega-vessel Pieter Schelte.

The giant €2.2billion, twin-hull vessel left ship builder Daewoo’s Okpo shipyard in South Korea 17 November, stopping by Singapore and Cape Town.

Images: The Pieter Schelte arriving in Rotterdam supported by Kotug tugs. 

The vessel is due to be moored at a rented deepwater site at Rotterdam's new Maasvlakte in order to have a topsides lift-system beams installed on the bows.

Test lifts with the system will then be carried out on a test platform in the Southern North Sea, which Allseas is building, after which the vessel is due to remove the Talisman Yme platform topsides, in summer 2015.

The removal of the Shell Brent Delta platform is planned later in the summer of 2015, or in the spring of 2016.

The Pieter Schelte, the brainchild of Edward Heerema, has been 20 years in the planning. The vessel was designed to make a significant impact on the heavy lift capability currently available in the global offshore market, both for platform installation and decommissioning; and pipelay with its 2000-tonne (2205 short tons) tension capacity S-Lay pipelay package.

Its lift capability is given as an eye-watering 48,000-tonne (53,000 short tons) for topsides and 25,000-tonne (27,500 short tons) for jackets.

But, Allseas also sees a market for an even larger vessel. Speaking last year, Edward Heerema told OE that the interest in the vessel [Pieter Schelte] and its potential has been enough to lead Allseas to consider building a second single-lift vessel that will exceed even the Pieter Schelte’s 48,000-tonne topside lifting capacity, by 50%, to 72,000-tonne.

Image: An artist's impression of the vessel full loaded.

“Ever since we started designing Pieter Schelte long ago, we always knew there was a league of about 13 very large platforms in the Northern North Sea we could never take out,” he said.

Facts:

  • Dimensions: 382m-long and 124m-wide, with a 59-wide slot for removing topsides.
  • Lift capability: 48,000-tonne for topsides using eight sets of horizontal lifting beams, at 6000-tonne a piece, across the slot for removal or installation of topsides.
  • 25,000-tonne for jackets, using two tilting lift beams on the stern for lifting and laydown
  • Pipelay system: A 2000-tonne capacity S-Lay pipelay system, able to handle 12m pipe sections under tension using four 500-tonne tensioners, with a 170m-long stinger.
  • Power: 12 thrusters at 75-tonne a piece, powered by eight main diesel generators, providing a total installed 95MW power
  • Yard: Daewoo Shipbuilding and Marine Engineering

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