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Shell and Norway's state-controlled Equinor plan to combine their UK upstream businesses into a joint venture to create the UK North Sea's largest oil and gas producer.
The new business will produce more than 140,000 b/d of oil equivalent (boe/d) from 2025, the companies said. Bank analysts reckon growth projects will enable production to eventually increase beyond 200,000 boe/d.
It marks the latest deal in a wave of consolidation in the the UK sector of the North Sea, including Italian firm Eni's deal earlier this year to merge its UK upstream assets with those of independent producer Ithaca Energy and UK company Harbour Energy's tie-up with Germany's Wintershall Dea last year.
Shell and Equinor are following a similar 50:50 ownership structure and self-financing model that BP and Italy's Eni employed in Angola when they combined their offshore assets there to create Azule Energy in 2022. The Shell-Equinor joint venture's assets will include Equinor's stakes in the Mariner and Buzzard fields, alongside Shell's interests in Shearwater, Penguins, Gannet, Nelson, Pierce, Jackdaw, Victory, Clair and Schiehallion projects.
A consequence of the deal is that Shell, having walked away from Ithaca's contentious Cambo oil project in the UK's west of Shetlands area last year, will now be exposed to Equinor's equally controversial 300mn bl Rosebank project, which is currently under judicial review. If Rosebank goes ahead, it is likely to be the largest growth driver of the new company with around 70,000 boe/d of production from 2027.
Although Shell's assets will contribute a greater share of the joint venture's production to begin with, Equinor's assets have greater growth potential. Through the new entity, Shell will also benefit from Equinor UK's £6bn ($7.6bn) of tax losses.
"Equinor's higher UK tax loss position and growth potential offsets the higher current production in Shell's UK portfolio, hence the 50:50 split in ownership of the new company," Barclays analysts wrote in a note.
The deal does not include Equinor's assets that straddle the UK's maritime border with Norway — Utgard, Barnacle and Statfjord. Equinor will also retain ownership of its UK offshore wind portfolio, as well as other low-carbon and gas storage assets.
Shell will retain ownership of its interests in Scotland's Fife NGL plant and St Fergus Gas Terminal, as well as floating wind projects under development. It will also remain the technical developer of the Acorn carbon capture and storage (CCS) project in Scotland.