Shell Takes FID for Ormen Lange Subsea Compression

Source: 9/20/2021, Location: Europe

Norske Shell and the Ormen Lange partners* have taken a final investment decision (FID) on a wet gas subsea compression project at Norway’s second biggest gas field and submitted a Plan for Development and Operation (PDO) to the Ministry of Petroleum and Energy.

The project is designed to unlock an additional 30-50 billion cubic meters of natural gas, increasing Ormen Lange’s overall gas recovery rate from 75 to 85%. This will be fed into the Norwegian gas export system, ensuring a continued and reliable supply to Europe.

A wet gas compressor system will be installed on the seabed at 900m depth close to the wellheads, increasing gas flow from the reservoir into the wells. The 120 km distance from shore to the installations sets a new world record for subsea compression power step-out.

'We are truly proud to take FID on a project which pushes technical boundaries, helping cement Norway’s position as a global subsea industry hub,' said Marianne Olsnes, Managing Director at A/S Norske Shell. 'Ormen Lange rank among the lowest carbon intensity fields in Norway, being powered with hydro-generated electricity from the national grid and processed in a closed system at the Nyhamna gas plant.'

Norwegian project content is estimated at 78 percent. In 2019, OneSubsea was awarded the frame agreement for an Ormen Lange subsea multiphase compression system.

'Ormen Lange Subsea Compression adds more than 40 BNOK extra income to the Norwegian State. It demonstrates how close cooperation in the industry and with the authorities combined with robust technical processes and resilience, has paved the way for a bold, yet robust project,' said Marianne Olsnes.

*Ormen Lange Partnership: Shell (operator), Petoro, Equinor, INEOS and Vår Energi.


Ormen Lange is a fully subsea-to-beach gas field, located 120 km from the onshore processing and export facility at Nyhamna. The gas is exported through Langeled, a 1200 km pipeline from Nyhamna to Easington, UK, and linked to the Norwegian gas export system to continental Europe. Partnership holdings: Shell, operator 17.8%, Petoro 36.4%, Equinor 25.3%, INEOS 14% and Vår Energi 6.3%.

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