Measuring and testing – Gas content of a liquid or a solid – By vibration
Patent
1978-02-16
1979-06-26
Kreitman, Stephen A.
Measuring and testing
Gas content of a liquid or a solid
By vibration
166250, E21B 4322
Patent
active
041589572
ABSTRACT:
A method is disclosed for determining the relative amounts of two fluid phases in a subterranean formation, one phase being mobile and the other being substantially immobile. A sweep fluid which is substantially free of the immobile fluid is injected into the formation by means of a well in an amount such that a measurable first portion of the sweep fluid in the formation adjacent the injection well remains unsaturated with the immobile fluid, and a second portion adjacent the first portion becomes saturated. The sweep fluid is then produced from the formation, preferably by means of the injection well. The concentration of immobile fluid dissolved in the produced sweep fluid is measured as a function of volume produced to determine the volumes of the two sweep fluid portions; these volumes are then used to calculate the relative amounts of the two fluid phases in the formation.
REFERENCES:
patent: 3590923 (1971-07-01), Cooke
patent: 3685345 (1972-08-01), Wise
patent: 3690167 (1972-09-01), Chase et al.
patent: 3847548 (1974-11-01), Keller et al.
patent: 3856468 (1974-12-01), Keller et al.
Bragg James R.
Deans Harry A.
Exxon Production Research Company
Glober George E.
Kreitman Stephen A.
Nametz Michael A.
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