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Fractured rock hydromechanics: from borehole testing to solute transport and CO 2 storage

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Authors
Tsang, C.-F.; Rutqvist, J.; Min, Ki-Bok
Issue Date
2007
Publisher
Geological Society of London
Citation
Geological Society, London, Special Publications, 284, 15-34
Abstract
The interaction between mechanical deformation and fluid flow in fractured rock gives
rise to a host of coupled hydromechanical processes, which form the basis of a number of interesting
research questions with practical implications. This paper will first discuss these processes in
general, describing two numerical models that have been developed to analyse these processes.
Then, four very different studies will be presented to illustrate the richness of this field. The first
study has to do with borehole injection testing to determine fracture parameters and how hydromechanical
effects will modify test results. The second study is on stress changes (caused by
stress release) in rock near a tunnel during excavation, which cause significant changes in fluid pressures
in the region. The third study is on the relationship between mechanical effects and flow anisotropy
and channelling in a rock block with a fracture network. The fourth study pertains to the
hydromechanical effects associated with deep CO2 injection and storage. These examples serve
to demonstrate the various interesting research problems in fractured rock hydromechanics. In the
coming years, we expect intensified activity and further advances in this exciting field of research.
Language
English
URI
http://hdl.handle.net/10371/11968
DOI
https://doi.org/10.1144/SP284.2
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College of Engineering/Engineering Practice School (공과대학/대학원)Dept. of Energy Systems Engineering (에너지시스템공학부)Journal Papers (저널논문_에너지시스템공학부)
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