Assessing interactions between multiple geological CO₂ storage sites: generic learning from the CO₂MultiStore project
Akhurst, Maxine C
Pearce, Jonathan M
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This report is the technical output from Work Package 4, Knowledge Capture and Reporting, from the CO2MultiStore project. Work Package 1 of the project identified possible issues and potential concerns to the secure containment of CO2 by the interaction between two or more geological storage sites within a deeply buried sandstone of regional extent. Reduction of possible issues and mitigation of perceived concerns were investigated in Work Package 2 by static geological, dynamic flow and geomechanical modelling of two reasonable and realistic sites within a northern North Sea case study of storage in the Captain Sandstone. Work Package 3 developed recommendations for a monitoring plan that specifically addresses the uncertainties and threats arising from storage at multiple sites. The report captures knowledge gained from the process, progress and findings of the research that is applicable to the development of any multi-user storage resource.