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UK offshore industry to spend £16.6 billion recycling 1.2m tonnes of disused oil and gas installations

Christian Fernsby |
An estimated 1.2 million tonnes of disused oil and gas installations ranging from massive rigs to the well heads that sit on the seabed in hundreds of metres of water, are to be brought to shore for reuse, recycling and disposal in the coming decade, says a new industry report.

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Decommissioning Insight 2021, published by OGUK, which represents the offshore oil and gas industry, will set out plans for what is thought to be one of the largest marine removal programmes ever attempted.

Operators the companies directly involved in extracting oil and gas will spend an estimated £16.6 billion pounds on the programme, supporting thousands of jobs both directly and in the supply chain.

They are aiming to set new standards in waste recovery. About 95% of the material from such installations is typically already recycled but the focus is now moving towards reuse where component parts, or occasionally whole structures, are redeployed for new purposes with minimal modifications. This avoids the energy and associated emissions needed for cutting up, smelting or crushing components, or making new ones.

Another key aim is to establish the UK as a centre of excellence for decommissioning an industry that is set for global growth as oil and gas installations around the world reach the ends of their useful lives. British companies and workers who have built experience in the North Sea will be in high demand.

The industry has already shown its resilience with work continuing safely all through the 2020/21 pandemic. While most other industries were in lockdown the oil and gas industry carried on, not only supplying the nation with energy but, over 2020 and 2021, decommissioning 234 wells, removing 21 platforms plus more than 50,000 tonnes of other underwater structures.

Examples include the Brae Bravo Platform, operated by the Abu Dhabi National Energy Company (Taqa):This 36,000 tonne platform, lying 170 miles northeast of Aberdeen, produced 500 million barrels of oil equivalent over its 33 year lifetime. The structure, weighing over 36,000 tonnes, was sent to Norway, where 95% of its material was destined for recycling or reuse.

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