Oceaneering to supply 39 km of umbilicals for Johan Castberg

Statoil will use Oceaneering’s umbilicals for its recently sanctioned Johan Castberg field development in the Barents Sea, offshore Norway.

Oceaneering on Tuesday said it had won the contract for dynamic and static control umbilicals, totaling approximately 39 kilometers (24 miles) in length, and associated hardware.

Oceaneering plans to design and manufacture the umbilicals at its facility in Rosyth, Scotland, with delivery scheduled for early 2021.

The control umbilicals for Statoil’s Johan Castberg project are expected to be used to transmit hydraulic control fluid and chemicals, as well as provide the electrical power and fiber-optic requirements to operate and monitor the subsea wells, which are located in approximately 400 meters (1,312 feet) of water.

The umbilicals are expected to be tied back to a floating production, storage, and offloading facility, or FPSO.

Development plan

Statoil submitted the plan for development and operation for its Johan Castberg project in December 2017.

The field development concept includes an FPSO and a subsea development with a total of 30 wells, 10 subsea templates and two satellite structures.

According to Statoil, this is the biggest subsea field under development in the world today.

The Johan Castberg development costs are estimated at around NOK 49 billion (approximately $5.9 billion). The jobs generated nationwide during the development are estimated at slightly less than 47,000 man-years, some 1800 of which will be located in Northern Norway.

Recoverable resources are estimated at 450 – 650 million barrels of oil equivalent. This makes the Johan Castberg project the biggest offshore oil and gas development to be given the go-ahead in 2017. First oil is scheduled for 2022.

 

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