Measuring and testing – Vibration – By mechanical waves
Patent
1991-08-26
1993-10-19
Williams, Hezron E.
Measuring and testing
Vibration
By mechanical waves
422 72, 436 45, 494 10, 73 6145, G01N 2900
Patent
active
052535290
ABSTRACT:
In a process and apparatus for measuring the distribution of the concentrations of constituents of a centrifuged medium containing at least one fluid, during centrifuging, a mechanical signal, preferably a sound wave, is emitted from at least one emission point (19-22) in contact with or in the immediate vicinity of the medium (16). The emitted signal is received by at least one reception point (20-22) in contact with or in the immediate vicinity of the medium. For each emission-reception point pair, at least one propagation characteristic of the signal between the emission and reception points thereof is measured and, by an appropriate processor (15), the distribution of the concentrations of the constituents present in the medium is determined. A proposed application is the calculation of the relative permeability and capillary pressure curves of fluids in a porous medium in order to improve the working and operation of oil fields.
REFERENCES:
patent: 4671102 (1987-06-01), Vinegar et al.
Deflandre Francoise
Forbes Pierre
Hoyos Moricio
Lenormand Roland
Ashraf Nashmiya
Institut Francais du Pe'trole
Williams Hezron E.
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