Decommissioning

News
November 25, 2025
DeepOcean is nearing completion of a fully diverless disconnection of TotalEnergies’ Gryphon Alpha FPSO—an industry first enabled by proprietary subsea tooling and a major milestone in North Sea decommissioning.

News
November 19, 2025
New Xodus research estimates Australia’s full offshore oil and gas decommissioning liability at $43.6 billion—down from 2020 projections—reflecting rising efficiency and improved cost forecasting.

Article
October 2025
This major contract award to Allseas is another milestone in TAQA’s North Sea decommissioning strategy. Removal of the 33,000-tonne topside and 12,000-tonne upper jacket will be carried out by the world’s largest heavy lift vessel.

News
October 30, 2025
DeepOcean has been selected to deliver a major subsea decommissioning project offshore Western Australia, including the suspension of subsea trees, removal of flowlines, umbilicals, and a disconnectable turret-mooring buoy. The 2026 campaign will be managed from Perth, leveraging Shelf Subsea’s regional expertise.

News
October 07, 2025
Allseas has awarded Able Group contracts to dismantle, reuse, and recycle two of TAQA UK’s most significant North Sea platforms — Cormorant Alpha and Tern — marking one of the largest decommissioning projects ever undertaken in the region.

News
September 24, 2025
Aggreko and Katoni Engineering have partnered to deliver a tailored temporary power solution for a North Sea offshore platform turnaround, cutting nearly £900,000 in fuel costs and preventing 4.5 tonnes of CO₂ emissions.

News
September 18, 2025
TAQA UK has awarded offshore contractor Allseas a major contract to decommission the Brae Alpha platform topsides in the Central North Sea, marking another milestone in one of the UK’s largest offshore decommissioning programs.

News
September 08, 2025
Petrodec’s newly constructed heavy lift jackup vessel, named “Obana,” has begun decommissioning work in the Southern North Sea for Perenco UK (PUK)'s Galahad platform.

News
September 04, 2025
Unity Well Integrity has announced a strategic partnership with Clear Cut Interventions (CCI) Australia, marking a significant step forward in delivering advanced intervention and well integrity solutions to operators across the Asia-Pac region.

News
August 21, 2025
Kent plc has signed a binding agreement to acquire Exceed (XCD) Holdings Limited, a leader in well management, subsurface and decommissioning engineering services. The acquisition marks Kent’s strategic expansion in the fast-growing global decommissioning market.

Article
June 2025
Maritime Developments Limited (MDL) is reinventing offshore SURF decommissioning with its Wheeled Horizontal Lay System (WHLS)—an innovative, portable solution that overcomes deepwater recovery challenges by reducing friction and tension through wheel-based design, enabling safer, more efficient and sustainable operations.

News
June 16, 2025
EnerMech has been awarded a contract by ExxonMobil to deliver a complete flowline decommissioning package for the Hoover Diana development in the Gulf of Mexico/Gulf of America. The scope marks EnerMech’s first major decommissioning campaign in the region.

News
April 01, 2025
Petrofac’s Asset Solutions division has been awarded a number of scope expansions and new contracts in Q1 2025 totaling $500 million (USD). The awards span late-life asset management, decommissioning and integrated services across core global markets.

News
March 11, 2025
Westwood’s new Atlas Decommissioning module provides critical insight into the timing, scale and economic risks of North Sea decommissioning.

News
December 19, 2024
Expro has won a contract valued at over $10 million for the provision of a well decommissioning solution. The solution combines subsea safety systems and surface processing design to enable both safe well entry and effective fluids management.

News
December 19, 2024
Mermaid Subsea Services (UK) Ltd has set a new industry benchmark for North Sea decommissioning. Across the course of 2024 the Aberdeen-headquartered company successfully plugged and abandoned (P&A) 30 wells in the UK North Sea using the Island Valiant vessel.

News
November 20, 2024
Awards for excellence in decommissioning were presented to CNOOC International and J+S Subsea at a celebratory dinner for more than 500 leaders of the North Sea specialist industry organised by OEUK as part of its annual Decommissioning Conference held in St Andrews, Scotland.

News
November 13, 2024
Elemental Energies and Archer have announced a joint venture agreement delivering integrated plugging and abandonment (P&A) services to global decommissioning projects. The venture will create a focused P&A well engineering team for design and operations across all well types.

News
November 12, 2024
Ocean services provider DeepOcean and well management and reservoir specialist EXCEED have entered into a collaboration agreement to supply vessel-based well plug and abandonment (P&A) services to the global decommissioning market.

News
November 11, 2024
Mermaid Subsea Services has successfully completed what is believed to be the largest vessel-based U.K. North Sea decommissioning campaign in history. The project spanned two years and involved the plugging and abandonment (P&A) of 21 wells.

News
November 06, 2024
The latest data from this year’s OEUK Decommissioning Report being published later this month show a challenging picture of spiraling costs, political uncertainty and competition for the specialist equipment needed to dismantle oil and gas platforms and seal abandoned wells.


