Method and apparatus for determining distribution of fluids

Details Method and apparatus for determining distribution of fluids Method and apparatus for determining distribution of fluids

1985-06-18

1987-06-09

Levy, Stewart J.

Measuring and testing

Liquid analysis or analysis of the suspension of solids in a...

Content or effect of a constituent of a liquid mixture

73 38, 250573, 356427, 378 52, G01N 1500

Patent

active

046711023

ABSTRACT:
Method and apparatus are provided to determine the distribution of fluids in a sample employing a centrifuge. The apparatus is an automated centrifuge which may employ a plurality of X-ray energies to determine a two-dimensional image of the saturation of multiple fluids in a sample. The saturation images may be used to calculate a capillary pressure curve or relative permeability curve for a borehole core sample. The X-ray source may be selectively synchronized with at least one of the rotating specimen holders to allow for preselection of which specimen holder is to be imaged by the X-ray energies. The method images a sample in a plurality of points during centrifuging to determine fluid distributions in the sample. Alternative automated centrifuges are provided which may also measure resistivity during centrifuging and may have the source and detector located on the sample holder.

REFERENCES:
patent: 3009388 (1961-11-01), Polanyi
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patent: 3684450 (1972-08-01), Alder et al.
patent: 4452902 (1984-06-01), Suovaniemi et al.
patent: 4567373 (1986-01-01), O'Meara, Jr. et al.
Hassler, G. L. and Brunner, E., Measurement of Capillary Pressures in _Small Core Samples, Trans. AIME 1945, vol. 160, p. 114.
Hagoort, J., Oil Recovery by Gravity Drainage, Soc. Pet. Eng. J., _1980, vol. 20, p. 139.

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