Netherlands-based offshore decommissioning specialist Petrodec recently held a formal naming ceremony for its self-elevating, heavy-lift vessel Obana.
The project to develop Obana started in 2021 when Petrodec decided on a solution for decommissioning complex offshore platforms in the UK North Sea.
Petrodec had considered various possibilities and eventially decided to merge two used jackup vessels into a single vessel.
The jackups were transported to Rotterdam while a new midship section was constructed in Dubai. With the arrival of the midship section in November 2024, Obana’s 2,000-ton crane was moved from Rostock to Rotterdam for installation.
The two jackups and the midship section each measured approximately 80 by 230 metres. In addition to the welding together of the three major sections, four new passageways linking all three sections were created and reinforcement and foundations for the two 60-ton cranes and the main crane boom rest were installed.
New paint was applied to the hull exterior while the voids and areas were merged including the main deck parts.