DiSECCS - final summary report. Work packages, 1 - 4

Chadwick, A.. 2017 DiSECCS - final summary report. Work packages, 1 - 4. Nottingham, UK, British Geological Survey, 62pp. (OR/17/002) (Unpublished)

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Seismic techniques comprise the key geophysical toolset for imaging and characterising induced changes in the subsurface associated with human activity. This ability to observe and quantify changes in fluid saturation, pressure and geological stress and strain using active and passive seismic techniques has critical application to the monitoring of geological CO2 storage. The DiSECCS project (Diagnostic Seismic Toolbox for Efficient Control of CO2 Storage) has developed seismic monitoring tools and methodologies to identify and characterise injectioninduced changes, whether of fluid saturation or pressure, in storage reservoirs. We have developed guidelines for the monitoring systems and protocols required to maintain the integrity of storage reservoirs suitable for large-scale CO2 storage. The focus is on storage in saline aquifers (comprising the largest potential global storage resource), where considerable amounts of in situ water have to be displaced and both pressure and two-phase flow effects have consequences for storage integrity and storage capacity. Underground storage of CO2 is associated with significant levels of public concern. A better understanding of this is a key element of establishing monitoring protocols to instil wider public confidence in CO2 storage. DiSECCS draws on analogue activities, such as ‘fracking’ for shale gas, in conjunction with a discursive process involving lay participants, to gain insights into how people engage with similar underground activities and how controversies surrounding particular projects develop and evolve.

Item Type: Publication - Report
Funders/Sponsors: British Geological Survey, University of Edinburgh, National Oceanography Centre
Additional Information. Not used in RCUK Gateway to Research.: This item has been internally reviewed, but not externally peer-reviewed.
Date made live: 16 Feb 2018 11:26 +0 (UTC)

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