Determination of permeability of porous media by streaming poten

Details Determination of permeability of porous media by streaming poten Determination of permeability of porous media by streaming poten

1993-05-28

1995-05-23

Williams, Hebron E.

Measuring and testing

With fluid pressure

Porosity or permeability

324353, 324347, E21B 4900, G01V 318, G01N 1508

Patent

active

054171040

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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