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A World First – The Pohokura Project

Vessel

MV Annegret

Cargo

Transport and installation of steel jacket and offshore wellhead platform

Weight

420 t (steel jacket)

Dimensions

56 m length (steel jacket)

POL

Western Australia

Location

Taranaki Bassin, New Plymouth, New Zealand

Specials

  • SAL – in cooperation with their client Technip – engineered a method to rotate the steel jacket during the lifting process, keeping the structure 1 m off the ground at all times
  • In a world first, the complex structure was turned from a horizontal to a vertical position, being placed into the vessel, where it extended 42 m out of the hatch
  • For the offshore uploading of the structure, MV Annegret moored just 4 m from the installation rig up which lowered the jacket to the ocean floor

 

 

Gallery