North Sea sector spent £1.6 billion on decommissioning in 2022

14 August 2023

The North Sea oil and gas industry spent £1.6 billion decommissioning redundant wells and infrastructure last year, more than in any of the previous five years, new figures show. The latest North Sea Transition Authority (NSTA) Decommissioning Cost and Performance Report reveals that the industry spent a total of around £8 billion from 2017-22.

Activity levels are expected to remain high, with about £2 billion a year forecast to be spent on decommissioning in the next decade, a massive opportunity to keep developing skills and experience in the basin and help the supply chain win lucrative contracts overseas by reinforcing its status as global leader, the NSTA said in a press release.

Encouragingly, UK suppliers are in line to secure around 70% of the work associated with UK North Sea decommissioning projects listed in Supply Chain Action Plans (SCAPs) lodged with the NSTA last year.

This indicates the sector is living up to its North Sea Transition Deal pledge to ensure at least half of spending on decommissioning projects goes to the UK supply chain, as well as meeting its legal obligation to clean and remove infrastructure once fields stop producing.

The industry has also built an impressive track record of carrying out decommissioning projects cost-efficiently and safely due to its willingness to share learnings and data – and embrace new technologies and innovative commercial models, the NSTA said.

Achieving further improvements will be challenging, however, in the face of factors including heightened demand for equipment, vessels and services from other regions and sectors, such as offshore wind – which have pushed up prices, taking the total cost estimate for decommissioning to £40 billion.

The NSTA is confident that industry can overcome these hurdles and meet its cost-efficiency target – lowering the estimate to £33.3 billion by end-2028. However, operators must strive to deliver their agreed schedules and commitments, work even more collaboratively with the supply chain and share their plans earlier, ensuring resources are available at the right time.

The NSTA is providing ongoing support by introducing new key performance indicators and benchmarks – developed with industry and underpinned by the collection of new datasets, including the length of time taken to complete specific tasks, the number of crew members employed, and the types of vessels used.

The new metrics will provide a more complete picture of how well decommissioning projects are being planned and executed, helping identify opportunities for industry to improve its overall performance and realise cost efficiencies.

This complements the NSTA’s existing efforts to support the sector by sharing best practice, setting clear expectations on well decommissioning deadlines, and encouraging operators to repurpose oil and gas infrastructure for energy transition projects.

The NSTA also promotes the use of its Energy Pathfinder portal, which advertises upcoming tendering opportunities, and expects more operators to support and contribute to the Decommissioning Data Visibility project, launched in 2021 alongside the Decommissioning and Repurposing Taskforce (DaRT).

Download the NSTA’s Decommissioning Cost and Performance Report by clicking here.