The patented Accuflow 2-phase Series multiphase metering system consists of a vertical pipe section and a horizontal pipe section connected together as shown. Multiphasic fluid (oil, water, gas) enters the vertical pipe tangentially, creating a cyclonic action in the pipe where the majority of the gas is separated and flows upward. The remaining gas is carried under with the liquid stream (oil and water) and enters the horizontal pipe where the gas is completely separated.
Liquid level in the horizontal pipe is controlled at the center of the pipe using a control valve located in the gas flow line. Large gas/liquid interface area, thin gas bearing emulsion layer, and quiescent flow in the horizontal pipe, all contribute to efficient removal of free gas bubbles from the liquid stream.
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