Petrodec’s newly constructed heavy lift jack-up vessel, named Obana, has started decommissioning work in the Southern North Sea for Perenco.Obana is working on the decommissioning of the Galahad platform, after which it 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 in 2025.