Multiphase fluid flow measurement

Details Multiphase fluid flow measurement Multiphase fluid flow measurement

1994-01-10

1994-10-11

Goldstein, Herbert

Measuring and testing

Volume or rate of flow

Of selected fluid mixture component

G01F 168

Patent

active

053536460

ABSTRACT:
The liquid and gas volumetric flow rates of a multiphase fluid mixture are measured by pumping the fluid mixture with a positive displacement pump such as a multi-helical lobed rotor type pump, measuring the pressure differential, temperature differential and power input to the pump and calculating the liquid volumetric flow rate and gas volumetric flow rate based on the measured parameters, pump coefficients for friction horse power, fluid leakage and heat transfer, together with predetermined values of liquid and gas specific heat, density and polytropic compression exponent. Approximate flow rates of gas and liquid may be determined by monitoring the pump power input and fluid pressure and temperature changes across the pump with sufficient accuracy for applications such as in pumping crude oil and natural gas mixtures from production wells.

REFERENCES:
patent: 4056002 (1977-11-01), Arieh et al.
patent: 4272982 (1981-06-01), Arnold et al.
patent: 4821580 (1989-04-01), Jorritsma

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