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IN-WELL FULL-BORE MULTIPHASE FLOWMETER FOR HORIZONTAL WELLBORES
IN-WELL FULL-BORE MULTIPHASE FLOWMETER FOR HORIZONTAL WELLBORES
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机译:水平井筒井内全孔多相流量计
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摘要
Methods and apparatus for measuring individual phase fractions and phase flow rates in a multiphase flow based on velocity of the flow, speed of sound through the fluid mixture, and the density of the fluid mixture. Techniques presented herein are based on measuring frictional pressure drop across a flowmeter conduit, determining a surface roughness term for the conduit during initial flow tests or through other mechanical means, implementing a correction method to balance the momentum equation, and calculating the fluid mixture density using the measured pressure drop. The techniques may be applicable to measuring flow parameters in horizontally oriented conduits and, more generally, conduits of any orientation.
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