Electrokinetic effects and fluid permeability

Fluid permeability of porous media depends mainly on connectivity of the pore space and two physical parameters: porosity and a pertinent length-scale parameter. Electrical imaging methods typically establish connectivity and directly measure electrical conductivity, which can then often be related...

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Bibliographic Details
Published in:Physica. B, Condensed matter Condensed matter, 2003-10, Vol.338 (1), p.270-273
Main Author: BERRYMAN, James G
Format: Article
Language:English
Subjects:
Earth sciences
Earth, ocean, space
Electrical impedance tomography
Electrokinetic phenomena
Engineering and environment geology. Geothermics
Exact sciences and technology
Fluid permeability
Hydrocarbons
Hydrogeology
Hydrology. Hydrogeology
Pollution, environment geology
Sedimentary rocks
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Summary:Fluid permeability of porous media depends mainly on connectivity of the pore space and two physical parameters: porosity and a pertinent length-scale parameter. Electrical imaging methods typically establish connectivity and directly measure electrical conductivity, which can then often be related to porosity by Archie's law. When electrical phase measurements are made in addition to the amplitude measurements, information about the pertinent length scale can then be obtained. Since fluid permeability controls the ability to flush unwanted fluid contaminants from the subsurface, inexpensive maps of permeability could improve planning strategies for remediation efforts. Detailed knowledge of fluid permeability is also important for oil field exploitation, where knowledge of permeability distribution in three dimensions is a common requirement for petroleum reservoir simulation and analysis, as well as for estimates on the economics of recovery.
ISSN:0921-4526
1873-2135
DOI:10.1016/j.physb.2003.08.006