αφ ~ (αφ_crit – Basement Rock EGS as Extension of Reservoir Rock Flow Processes
- Key words
- EGS, fracture permeability, permeability stimulation, critical state systems
- Conference
- Stanford Geothermal Workshop
- Year
- 2018
- Session
- Enhanced Geothermal Systems
- Language
- English
- Paper number
- Leary
Full text
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Abstract
Geological formation well-core sequences measured for porosity φ and permeability κ show a clear linear trend, logκ ~ αφ, when plotted as an ordered sequence in porosity. For porosity expressed as a fraction of rock volume, 0 less than φ less than 1, the observed proportionality constant α is of order 20 less than α
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