DeepOcean has completed subsea decommissioning work at Spirit Energy's Seven Seas and Grove West fields in the southern North Sea, recovering a subsea wellhead protection structure and disconnecting subsea infrastructure ahead of
DeepOcean has completed subsea decommissioning work at Spirit Energy's Seven Seas and Grove West fields in the southern North Sea, recovering a subsea wellhead protection structure and disconnecting subsea infrastructure ahead of a planned rig campaign.
DeepOcean carried out engineering and project management from its Aberdeen operations and deployed the construction vessel Edda Freya to recover the remaining wellhead protection structure at the Seven Seas field, which weighed more than 100 tonnes, along with associated subsea infrastructure.
The recovered materials have been transported for reuse, recycling or responsible disposal, the company said.
The work forms part of Spirit Energy's wider decommissioning program for the Seven Seas and Grove West fields, with both scopes completed in preparation for a rig campaign.
At the Grove West field, DeepOcean disconnected a spool from a subsea Christmas tree using a remotely operated vehicle (ROV) and proprietary tooling developed in-house, eliminating the need for diver intervention.
The Seven Seas field is located about 80 km off the East Yorkshire coast in water depths of around 33 meters, while Grove West lies about 130 km east of the UK coastline in water depths of around 40 meters.
“The wellhead protection structure at Seven Seas has served the
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