Schlumberger’s Vx Spectra surface multi-phase flowmeter enables operators to obtain flow-rate measurements in production testing and permanent monitoring. Vx Spectra technology delivers flow measurements in wider applications than do conventional metering systems, enabling measurements in various flow conditions from heavy oil to wet gas. The new flowmeter uses full gamma spectroscopy to provide the highest accuracy in multiphase-production measurement. The flowmeter introduces two new Venturi throat sizes adapted to an extended range of flow rates. The Vx Spectra 19 mm monitors low-rate producing wells down to 30 B/D, and the 40-mm-Venturi version introduces a midrange multiphase meter with high flexibility to match oil- and gas-production flow rates. Modular design configurations offer easy integration with operators’ production facilities. To confirm the metrological performance of the Vx Spectra flowmeter, extensive testing was conducted, acquiring more than 400 test points at four industry-reference flow-loop-metering facilities. Tests were conducted with various fluids and at different pressures and flow regimes.
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