Measuring and testing – Volume or rate of flow – Using differential pressure
Reexamination Certificate
2011-08-02
2011-08-02
Thompson, Jewel (Department: 2855)
Measuring and testing
Volume or rate of flow
Using differential pressure
Reexamination Certificate
active
07987733
ABSTRACT:
Systems and methods are disclosed for measuring densities and flow rates of gas-liquid fluid mixtures. In the systems and methods, the fluid mixture is caused to exhibit swirling flow as it flows through a conduit that includes a constriction, a first pressure difference is measured between two vertically-spaced measurement positions in the conduit, a second pressure difference is measured between two horizontally-spaced measurement positions in the conduit, the first horizontally-spaced measurement position being at the constriction region and the second horizontally-spaced measurement position being upstream or downstream of the constriction region, and one or more of the pressure differences is used to determine a density or a flow rate of the gas-liquid fluid mixture.
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Atkinson Ian
Sherwood John
Laffey Brigid
McAleenan James
Raybaud Helene
Schlumberger Technology Corporation
Thompson Jewel
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