HOUSTON, TEXAS (Ofelia Paredes, Energy Analytics Institute, 9.Apr.2025, Words: 245) — Perenco successfully conclued the UK’s first carbon dioxide (CO2) injection test for carbon capture and storage (CCS).
The test involved the injection of CO2 into a depleted natural gas reservoir in the UK’s southern North Sea, marking a major milestone for project Poseidon and the UK’s broader decarbonization strategy.
Petrodec’s ERDA, the first rig in the UK to have achieved an approved safety case for CO2 injection support, has now sailed away from the Leman 27H platform. This marks the end of the test which was carried out by the project Poseidon joint venture, comprising Perenco UK, Carbon Catalyst Ltd, and Harbour Energy.
The Poseidon injection test delivered to plan with a total of 15 injection cycles performed into the Leman gas field, mobilizing 11 CO2 offshore batch refills. The operational program was performed in a timely and safe manner, without injection issues and, importantly, with the acquisition of an exceptional dataset, Perenco announced on 9 Apr. 2025 in an official statement.
This operation proves carbon storage can be a reality for depleted fields of the southern North Sea, and that it is possible to widely reuse petroleum production infrastructure to unlock cost effective projects, Perenco said.
The injection test marked a successful collaboration across a number of organizations from the energy, CCS and service sectors, coordinated by the Perenco UK – Petrodec – Dixstone backbone.
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By Ofelia Paredes reporting from Houston. © 2025 Energy Analytics Institute (EAI). All Rights Reserved.
