Measuring and testing – Gas content of a liquid or a solid – By vibration
Patent
1985-03-29
1986-12-16
Kreitman, Stephen A.
Measuring and testing
Gas content of a liquid or a solid
By vibration
7386127, G01N 2902
Patent
active
046287256
ABSTRACT:
Apparatus and methods for the flow analysis of multiphase fluids including a liquid phase in a tubular conduit use Stoneley waves by exciting and detecting sonic wave energy in the tubular conduit. Information about the Stoneley mode component is obtained in one approach by using techniques that excite only the Stoneley mode together with certain other well behaved wave types, and then compensating for the latter. Alternatively the Stoneley arrival is specifically identified in the detected waveforms. Embodiments are described for: determining the flow rate of a liquid; detecting the presence or absence of gas in a liquid; determining the composition by volume of the dispersed phases in a multiphase fluid; determining the size distribution of bubbles in a multiphase fluid; and determining the velocity of slugs in a multiphase fluid.
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Gouilloud Michel M. A.
Plona Thomas J.
Borst Stephen L.
Carroll David H.
Coker David G.
Kreitman Stephen A.
Schlumberger Technology Corporation
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