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Haven Jack-up upgrade

The Master Marine accommodation unit HAVEN required an upgrade for operations at the Johan Sverdrup Field.

The upgrade included the extension of the existing legs from approx. 130 m to 160 m and the replacement of the existing spudcan & add-on tanks by new suction caissons. The main contractor of the project was Lamprell, who fabricated all the new leg sections and suction caissons at their yard in Hamriyah, UAE. After which all materials were transported to Ågotnes, Norway. Boskalis was awarded the Heavy Lift scope with the Asian Hercules III consisting of 20 lifts up to 2,500 t and lifting heights up to 120 m down to 65 m below sea level.

Project vessels and equipment

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Asian Hercules III

Floating sheerleg

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