Digital know-how developed in Norway will assist enhance restoration from Johan Castberg subject, within the Barents Sea. Equinor has awarded Alcatel Submarine Networks a contract for everlasting reservoir monitoring (PRM), which in flip has signed a letter of intent with Nexans Norway AS for supply of subsea cable.

The know-how is developed in Norway, and the contract is awarded by exercising an choice within the framework settlement on PRM that we entered into with Alcatel when signing a corresponding contract for the North Sea Johan Sverdrup subject in January this 12 months. Johan Castberg and Johan Sverdrup will share the PRM challenge administration, resulting in each synergies and financial savings. Johan Sverdrup and Johan Castberg are the primary fields on the planet to put in this software earlier than manufacturing begin.


Nexans Norway AS is a subcontractor to ASN on the Johan Castberg PRM challenge. They will manufacture the spine cable community and inter-station cable at their amenities in Rognan, Norway. The provide will embody greater than 200 km of subsea cable. This is a crucial contract which strengthens Equinor’s presence within the north. Seismic stations will likely be included into the cables at ASN’s facility in Calais, France.

Equinor’s fields on NCS has a world class restoration price, and we count on our present portfolio of manufacturing and sanctioned fields to attain 50% restoration. We do, nevertheless, have an ambition to hit 60% by way of IOR-initiatives for our oil fields.

PRM implies that seismic sensors are put in completely on the seabed, offering higher photos of reservoir adjustments at a extra frequent price. Both the quantity and never least the standard of the knowledge generated from this technique will likely be central in Equinor’s plans to be used of digital know-how at Johan Castberg subject. This form of information has a big potential in relation to visualization, modelling and progressively additionally predictive analyses.

More than 200 km of fibre-optic seismic cables and three,700 sensors will likely be unfold on the seabed on the Johan Castberg subject. The cables will begin sending photos earlier than the sphere begins up in 2022, offering a foundation and details about the reservoirs earlier than manufacturing begin. This will improve the nicely placement precision and assist “management” manufacturing and injection, says Benedicte Nordang, subsea supervisor for Johan Castberg.

Estimated recoverable reserves for Johan Castberg is 450-650 MMbbl. Planned start-up is 2022.

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The Johan Castberg partnership consists of Equinor (operator 50%), Eni Norge (30%) and Petoro (20%).


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