DeepOcean to re-terminate gas-lift riser at Ghana’s Jubilee Field for Tullow Oil

DeepOcean will perform engineering, disconnection, re-termination and reconnection services for a gas-lift riser linking the FPSO Kwame Nkrumah to the Jubilee Field subsea production system offshore Ghana.

Jeremy Beckman

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DeepOcean

Oct. 29, 2026

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Why this news matters:

The project supports continued production reliability at one of West Africa’s most significant deepwater oil developments.
Gas-lift risers are critical production infrastructure, making integrity and maintenance programs essential for maximizing field performance and uptime.
The award highlights ongoing subsea intervention and life-of-field opportunities in Ghana’s mature offshore developments.

DeepOcean's subsea construction vessel Orient Adventurer — DeepOcean's subsea construction vessel *Orient Adventurer* is expected to support the Jubilee field gas-lift riser re-termination campaign offshore Ghana, providing installation and intervention capabilities for work on infrastructure connected to the FPSO *Kwame Nkrumah*.

Tullow Oil has commissioned DeepOcean for a riser re-termination program at the deepwater Jubilee Field offshore Ghana.

The gas-lift riser connects the FPSO Kwame Nkrumah to the field’s subsea production system.

DeepOcean's EMEA division will perform project management, engineering, riser disconnection, deck-side re-termination, reconnection and pre-commissioning services, using the subsea construction vessel Orient Adventurer (ex-Polar Onyx) for the offshore operations.

The company has deployed the vessel, which recently underwent refurbishment and upgrades, on previous subsea construction jobs in Ghana.

Its refurbished Huisman vertical lay system (VLS) has a 275-mt top tension dynamic capacity, and it is designed for safe and efficient running of the risers through the moonpool, explained Robin Mawhinney, EVP for DeepOcean’s EMEA region.

The vessel also has a 2,500-mt under-deck carousel.

DeepOcean Ghana, a joint venture between DeepOcean and its local partner, is responsible for contract execution.

Teams in Accra, Ghana, and Sète, France will manage the work, with engineering support from technicians in Aberdeen. Offshore activities should take place during the current quarter.

The FPSO Kwame Nkrumah has a processing capacity of more than 120,000 bbl/d of oil and associated gas-handling equipment.

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About the Author

Jeremy Beckman

Staff Writer / Editor, Europe

Jeremy Beckman has been Editor Europe, Offshore since 1992. Prior to joining Offshore he was a freelance journalist for eight years, working for a variety of electronics, computing and scientific journals in the UK. He regularly writes news columns on trends and events both in the NW Europe offshore region and globally. He also writes features on developments and technology in exploration and production.