Construction progresses on North Sea Johan Sverdrup platforms

Offshore staff

HAUGESUND, Norway – First steel has been cut for the Johan Sverdrup drilling platform at the Aibel yard in Haugesund.

The company is performing topsides engineering for the platform in Asker, under a contract awarded last February by operator Statoil.

The 22,500-metric ton (24,802-ton) topsides will comprise three modules, to be built in Haugesund, at the Deeline yard in Thailand, and at Nymo’s yard in Grimstad.

All will be assembled at Aibel’s Haugesund site during fall 2017, with the completed platform due to be installed on the field in 2018.

Last summer pre-drilling templates were installed at the field location. Next month the semisubmersible Deepsea Atlantic will start pre-drilling activity.

The drilling platform is due to come onstream at the end of 2018, with production from Johan Sverdrup slated to start a year later.

Last month the first jacket leg lift for Johan Sverdrup’s riser platform was performed at Kvaerner’s yard in Verdal. Two cranes lifted the 120-metric ton (132-ton) section into position to be joined with two more sections, making up one complete jacket leg.

The following day the next section was lifted in place, followed by welding preparations.

Kvaerner will deliver supply three platform jackets for the Johan Sverdrup field, but the riser platform jacket is the biggest and most complex it has undertaken to date. Delivery is scheduled for summer 2017.

Concurrently, Kvaerner continues work on the Johan Sverdrup ULQ topsides, with first structural steel drawings for the utility module issued for construction.


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