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World’s largest jack-up rig starts decommissioning work

Tuesday, September 9 2025

Fossil Energy – Decommissioning

Petrodec’s newly constructed heavy lift jack-up vessel Obana has begun decommissioning work in the Southern North Sea for Perenco UK Galahad platform.

Obana is initially being deployed on Block 48/12a working on the Galahad platform, where the program includes topside and jacket removal. After Galahad, Obana will move to the Amethyst field for the removal of the C1D, A2D, and B1D jackets, expected to be completed and offloaded in the Netherlands later this year.

Obana is the world’s largest self-elevating, heavy lift jack-up vessel of its type. Following the completion of final trials, including its first offshore full platform lift, Obana has commenced its commercial operations with PUK, before moving on to contracts with other operators.

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Filed Under: Decommissioning, Galahad, International News, jack up vessel, North Sea, Perenco, Petrodec Tagged With: decommissioning, Galahad, JAck up vessel, north sea, Perenco, Petrodec

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