Method and apparatus for nonsteady state testing of...

Details Method and apparatus for nonsteady state testing of... Method and apparatus for nonsteady state testing of...

G - Physics

01

N

73/117, 354/21

G01N 15/08 (2006.01)

Patent

CA 1208036

METHOD AND APPARATUS FOR NONSTEADY STATE TESTING OF PERMEABILITY ABSTRACT OF THE DISCLOSURE The permeability of a core sample is measured during nonsteady state flow of fluid therethrough. A predetermined test pressure is supplied to an upstream end of the core sample while that sample is disposed in a fixed, closed volume and is subjected to a constant, predetermined confining pressure. The change in pressure across the core sample, with the passage of time, is measured; and the permeability of the core sample is determined as a function of the time-related measure of pressure change.

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