Measuring and testing – Liquid analysis or analysis of the suspension of solids in a... – Vapor pressure
Patent
1994-07-07
1996-04-09
Williams, Hezron E.
Measuring and testing
Liquid analysis or analysis of the suspension of solids in a...
Vapor pressure
73 5415, 73 6178, 73 1901, G01N 700, G01N 3326
Patent
active
055050743
ABSTRACT:
An apparatus and method for determining the minimum miscibility pressure of a system comprising a gas and a liquid. A liquid-filled tube is equilibrated at a predetermined temperature and initial pressure, and pressure changes are determined as a single gas bubble is launched, rises through the tube, and stabilizes in the liquid. The measurements are repeated with fresh liquid at a series of different predetermined pressures. The minimum miscibility pressure is obtained either by finding the final pressure at which the time between launch and stabilization is constant or by evaluating the derivative of an empirically derived relationship between initial pressure and final pressure.
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R. A. Harmon et al., "Vapor Density Measurement for Estimating Minimum Miscibility Pressure," SPE 15403, Oct. 1986.
Christiansen Richard L.
Mihcakan I. Metin
Poettmann Fred H.
Ebel Jack E.
Hummel Jack L.
Marathon Oil Company
Wiggins J. David
Williams Hezron E.
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