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Reference Number EP/K035878/1
Title DiSECCS: Diagnostic Seismic toolbox for the Efficient Control of CO2 Storage
Status Completed
Energy Categories FOSSIL FUELS: OIL, GAS and COAL(CO2 Capture and Storage, CO2 storage) 100%;
Research Types Basic and strategic applied research 100%
Science and Technology Fields ENVIRONMENTAL SCIENCES (Earth Systems and Environmental Sciences) 100%
UKERC Cross Cutting Characterisation Not Cross-cutting 100%
Principal Investigator Dr A Chadwick
No email address given
Energy Science
British Geological Survey (BGS) - NERC
Award Type Standard
Funding Source EPSRC
Start Date 11 September 2013
End Date 10 March 2017
Duration 42 months
Total Grant Value £893,883
Industrial Sectors Energy
Region East Midlands
Programme Energy : Energy
 
Investigators Principal Investigator Dr A Chadwick , Energy Science, British Geological Survey (BGS) - NERC (99.993%)
  Other Investigator Dr AI (Angus ) Best , National Oceanographic Centre, NERC (0.001%)
Dr M Chapman , School of Geosciences, University of Edinburgh (0.001%)
Dr DA Angus , School of Earth and Environment, University of Leeds (0.001%)
Dr S (Sarah ) Mander , Mechanical, Aerospace and Civil Engineering, University of Manchester (0.001%)
Dr C (Clair ) Gough , Mechanical, Aerospace and Civil Engineering, University of Manchester (0.001%)
Dr GA Williams , Energy & Marine Geoscience, British Geological Survey (BGS) - NERC (0.001%)
Dr D Noy , Environmental Modelling, British Geological Survey (BGS) - NERC (0.001%)
  Industrial Collaborator Project Contact , BP Exploration Co Ltd (0.000%)
Project Contact , Statoil ASA, Norway (0.000%)
Project Contact , Department of Energy & Climate Change (0.000%)
Web Site
Objectives
Abstract The year 2011 recorded the highest ever global consumption of energy, estimated at more than 12 billion tonnes of oil equivalent. Because of this, and despite increasingly widespread deployment of renewable energy generation, annual global emissions of greenhouse gases are continuing to rise, underpinned by increasing consumption of fossil fuels. Carbon capture and storage (CCS) is currently the only available technology that can significantly reduce CO2 emissions to the atmosphere from fossil fuel power stations and other industrial facilities such as oil refineries, steel works, cement factories and chemical plants. However, achieving meaningful emissions reduction requires wide deployment of large scale CCS and will involve long term storage of very large volumes of CO2 in the subsurface. Ultimately, if CCS were to be rolled out globally, volumes of injected carbon dioxide could become comparable, on an annual basis, to world hydrocarbon production.The most likely sites for CO2 storage are depleted oil and gas fields or saline aquifers. Understanding and monitoring geomechanical processes within different types of storage site is crucial for site selection, for achieving long term security of storage and for instilling wider confidence in the safety and effectiveness of CCS. In many cases depleted hydrocarbon fields have experienced strong pressure decrease during production which may have affected the integrity of the caprock seal; furthermore, CO2 injection into saline aquifers will displace large volumes of groundwater (brine). In all cases, as injection proceeds and reservoir pressures increase, maintaining the geomechanical stability of the storage reservoir will be of great importance. Understanding and managing these subsurface processes is key to minimising any risk that CO2 storage could result in unexpected effects such as induced earthquakes or damage to caprock seal integrity.Experience from existing large-scale CO2 injection sites shows that monitoring tools such as time-lapse 3D seismic, micro-seismic monitoring and satellite interferometry have the potential to make a significant contribution to our understanding of reservoir processes, including fine-scale flow of CO2, fluid pressure changes, induced seismic activity and ground displacements. The DiSECCS project will bring together monitoring datasets from the world's three industrial scale CO2 storage sites at Sleipner (offshore Norway), Snohvit (offshore Norway) and In Salah (Algeria) to develop and test advanced and innovative monitoring tools and methods for the measurement and characterisation of pressure increase, CO2 migration and fluid saturation changes and geomechanical response. A key element of the research will be to identify those storage reservoir types that will be suitable for large-scale CO2 storage without unwanted geomechanical effects, and to develop monitoring tools and strategies to ensure safe and effective storage site performance.In addition, our research will explore public attitudes to CO2 storage. We will consider what insights may be drawn from previous proposed CCS schemes involving onshore storage and other activities that have aroused similar concerns (such as earthquakes associated with shale gas fracking near to Blackpool) and how this experience can inform proposed large-scale offshore storage operations in the future. In the past, public opposition to some onshore storage proposals has led to project delays and cancellation, for example, in the Netherlands, Denmark and Germany, and research has identified storage as the stage in the CCS chain that has most potential for concern to members of the lay public. Developing an improved understanding of potential societal responses to CO2 storage and monitoring is crucial for establishing a sustainable and successful CCS strategy; this research will contribute to this through a combination of case study analysis and participatory research with lay citizens
Publications (none)
Final Report (none)
Added to Database 30/09/13