Journal
INTERNATIONAL JOURNAL OF GREENHOUSE GAS CONTROL
Volume 11, Issue -, Pages 21-24Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.ijggc.2012.07.023
Keywords
Carbon capture; Carbon storage monitoring; Muon tomography; Cosmic-ray muons
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Funding
- University of Sheffield
- EPSRC through the E-Futures Doctoral Training Centre at the University of Sheffield
- National Aeronautics and Space Administration (NASA)
- STFC [ST/K001841/1, ST/K001337/1] Funding Source: UKRI
- Science and Technology Facilities Council [ST/K001841/1, ST/K001337/1, ST/K001337/1 DMUK] Funding Source: researchfish
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Storage of supercritical carbon dioxide in the deep subsurface is arguably the most viable industrial scale process available to stop increase of atmospheric CO2. Today, monitoring CO2 emplacement and possible leakage is a major challenge; methods are episodic and expensive. Cosmic-ray muon tomography has been used to investigate hidden archaeological and geological features. We developed a model to test if this approach would work for monitoring CO2 storage and show that muon detection is a viable method. Our results indicate that we could detect as little as 0.4% change in the mean reservoir density at about 1 km depth (equivalent to 7% of pore volume). Hence, cosmic ray muon detection could monitor migration of injected CO2 continuously and inexpensively and help rapid introduction of this essential technology. (c) 2012 Elsevier Ltd. All rights reserved.
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