Method, apparatus and system for characterizing two phase...

Data processing: measuring – calibrating – or testing – Measurement system – Temperature measuring system

Reexamination Certificate

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C702S050000, C073S861040, C073S152180

Reexamination Certificate

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07640133

ABSTRACT:
A method and corresponding system is provided for determining fluid properties of a two phase fluid flowing through various portions of a wellbore. Specifically, the method and corresponding system determines fluid properties (e.g. enthalpy flux) of the two phase fluid flowing upstream of the injector portion of the wellbore as well as fluid properties (e.g., mass flow rate and enthalpy flux) of the two phase fluid at various measurement locations along the injector.

REFERENCES:
patent: 4931687 (1990-06-01), Thayer
patent: 6502456 (2003-01-01), Chen
Hong, K.C. et al., “Best Practice for the Distribution and Metering of Two-Phase Steam”, Paper, SPE 35422, Aug. 1997.
SPE 68830, “Orifice Meters for Steam Injector Monitoring”, Castrup, S., 2001.
Crighton, D.G. et al, “Modern Methods in Analytical Acoustics”, Lecture Notes Springer Verlag, 1992.
Crowe, C.T. et al, “Metering Low-Quality Steam-Water Flows”, Paper UCRL-52271, 1977.
Lumbroso, H., “Thermodynamique”, McGraw-Hill (1989).

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