To main content

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.

Related projects

Selected filters
Fleet_OE_Moho.jpg

Transport and installation Moho Nord FPU

For the Total Moho Nord FPU project, Dockwise has transported the newbuild FPU Likouf from the HHI fabrication yard in Ulsan, South Korea to the offshore discharge location near Port-Gentil, Gabon. It was a world-record cargo load onboard a semi-submersible vessel to date. 

Thien_Ung_I.jpg

Installation topside
and living quarters,
Thien Ung BK-TNG

For the Vietsovpetro Thien Ung project, Boskalis has installed the Thien Ung BK-TNG 4,200 metric tonne (mt) topside and 850 mt living quarter by offshore heavy lifting with the sheerleg Asian Hercules III. It was the world’s heaviest lift installation of a topside by a sheerleg in an offshore environment to date. 

1407-0505-30_header.jpg

Development gas export pipeline, Ichthys

The Ichthys development revolves around the construction of a new 42-inch deep sea natural gas pipeline from the Ichthys field in the Browse Basin 880 kilometers to Darwin onshore. The pipeline will run through the Darwin harbor, requiring dredging services in the near shore area, rock installation and the construction of a landfall. Owner INPEX Operations Australia Pty Ltd is developing LNG process facilities on Blaydin Point near Darwin, Northern Territory of Australia.

140718_-_48.jpg

Wintershall RAVN and A6-A

Wintershall Noordzee B.V. installed a new remote platform RAVN as a crude production tie-back to A6-A. RAVN is a remote and unmanned crude well unit. Utilising a dry-tree design, all control, power and metered injection for the well will be via the 18.2-km control umbilical between the new satellite platform RAVN in the Danish sector and the operational platform A6-A in the German sector.

AT2C5860_header.jpg

Dry transport,
FPSO Armada Intrepid

The Armada Intrepid, which is owned by the Malaysian company Bumi Armada, is an FPSO (Floating Production, Storage and Offloading) vessel which needed to be dry transported from Rotterdam (Netherlands) to Batam (Indonesia) on the Dockwise Vanguard. The FPSO is 245 m long and weighs 60,000 metric tons. The DWV (275 x 70 m) has a deadweight of 117,000 metric tons.

ZP_-_pic4_header.jpg

Mooring replacement phase 2, Zafiro Producer

Mobil Equatorial Guinea Incorporated, an affiliate of ExxonMobil, entered into a contract with Boskalis for the Zafiro Producer Mooring Replacement Project Phase 2. The Zafiro Producer is installed in 180 m (590 ft)water depth approximately 74 km (40 nauticalmiles) west of Malabo, Equatorial Guinea.