Apparatus and method for determining the minimum miscibility pre

Details Apparatus and method for determining the minimum miscibility pre Apparatus and method for determining the minimum miscibility pre

1985-08-28

1986-12-09

Tokar, Michael 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

G01N 700

Patent

active

046272739

ABSTRACT:
An apparatus and method for determining the minimum miscibility pressure of a gas in a liquid comprises injecting a gas bubble into a transparent tube containing the liquid at a fixed predetermined pressure and temperature and observing the bubble behavior as it passes through the liquid in the tube. Thereafter, the pressure is increased and the procedure is repeated until the lowest pressure at which a bubble exhibits characteristic miscibility behavior in the liquid is determined, which is defined as the minimum miscibility pressure.

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W. F. Yellig and R. S. Metcalfe, Determination and Prediction of CO.sub.2 Minimum Miscibility Pressures, J. Pet. Technology, pp. 160-168, Jan. 1980.
Technical Disclosure Bulletin, vol. XXI, Marathon Oil Company, Findlay, Ohio, p. 13, 1981.
G. C. Wang and E. V. Knight, Visual Study of Miscibility Development of CO.sub.2 -Crude Systems, 2nd Ass. Rech. Tech.
Exploit Petrol. Enhanced Oil Recovery Europe Symp. (Paris, 82.11.08-10) Proc., pp. 269-278, 1982.
G. C. Wang, Determination of Miscibility Pressure by Direct-Observation Method, DOE/MC/16140-T2, pp. 1-13, 1982.

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