Determination of permeability of porous media by streaming potential and electro-osmotic coefficients
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United States of America Patent
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May 23, 1995
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May 28, 1993
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May 28, 1993
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Abstract
Process and apparatus for determination of permeability of porous media by measurement at finite frequency of streaming potential and electro-osmotic induced voltage and pressure due to applied finite frequency pressure oscillations and alternating current, respectively. The inter-electrode distance between points of application and measurement of the alternating signals at a finite frequency is small compared to the wavelength of the pressure oscillations and alternating current voltage.
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