Apparatus for measuring resistivity of porous rock

Details Apparatus for measuring resistivity of porous rock Apparatus for measuring resistivity of porous rock

1989-02-13

1990-03-13

Williams, Hezron E.

Measuring and testing

Borehole or drilling

Downhole test

324376, E21B 4902

Patent

active

049074482

ABSTRACT:
Apparatus is provided for measuring resistivities along the length of a core sample of a porous rock under confining pressure and varying fluid saturations. A confining pressure sleeve surrounds the core sample. Resistivities are measured along the length of the core sample by a plurality of electrodes extending through such sleeve as fluid saturations vary.

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patent: 4467642 (1984-08-01), Givens
patent: 4546318 (1985-10-01), Bowden
patent: 4686477 (1987-08-01), Givens et al.
patent: 4688238 (1987-08-01), Sprunt et al.
"The Electrical Resistivity Log as an Aid in Determining Some Reservoir Characteristics", G. E. Archie, Trans. AIME, vol. 46, pp. 54-62, 1942.

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