The Well Decommissioning for CO2 Storage Guidelines, issued by OEUK, have been developed in response to an action set by BEIS to the UK offshore oil and gas industry, as noted in the ‘Re-use of oil and gas assets for carbon capture usage and storage projects’ consultation response 2020 document [Carbon capture, usage and storage: government response on re-use of oil and gas assets for CCUS (publishing.service.gov.uk)
This document provides industry recommendations and emerging good practice for well decommissioning for CO2 storage based on recent North Sea and international experience in CO2 storage.
These guidelines are intended to supplement the OEUK Well Decommissioning Guideline Issue 7. These guidelines have been prepared to support well operators and well engineers on the considerations that are needed for decommissioning a well to retain the integrity of a future CO2 store. Furthermore, this guideline will also support future CO2 storage operators on the considerations that are needed to assess the integrity of inherited legacy wells.
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