ConocoPhillips Skandinavia and its partners have submitted a plan for development and operation (PDO) for the Tommeliten A field in the North Sea.

The PDO for the project, which straddles the Norway-UK median line in the North Sea, has been submitted to the Norwegian Ministry of Petroleum and Energy and the UK Oil and Gas Authority.

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The project is estimated to cost around Nkr13bn ($1.5bn) for development, with first production planned in 2024.

It is planned to be developed using a two-by-six slot subsea production system (SPS), which will be tied back to the Ekofisk platform located around 25km away.

ConocoPhillips Europe, Middle East and North Africa president Steinar Våge said: “We are pleased to achieve this milestone for the Tommeliten A project.

“The field development will unlock production of new resources in the area and further strengthen the Ekofisk legacy and future.”

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According to estimates, the Tommeliten A field holds resources ranging from 80-180 million barrels oil equivalent, mainly comprising gas condensate.

ConocoPhillips Skandinavia operates the Tommeliten A Unit with a 28.1385% stake.

Other partners include PGNiG Upstream Norway (42.1978%), TotalEnergies EP Norge (20.1430%), Vår Energi (9.0907%), ConocoPhillips (UK) (0.2109%), TotalEnergies UK (0.1510%) and ENI UK (0.0681%).

Discovered in 1977, the UK-Norway trans-boundary field extends from Norwegian Block 1/9 into UK Block 30/20. It is being developed as a Norwegian project.

The partners plan to award several contracts during the project period. These contracts are expected to create approximately 5,000 jobs.

In September 2021, ConocoPhillips Skandinavia awarded a contract to Aker Solutions for modifications on the Ekofisk installations to integrate the Tommeliten Alpha discovery offshore Norway.