critical flow prover

critical flow prover

[′krid·ə·kəl ′flō ‚prü·vər]
(petroleum engineering)
Device used to measure the velocity of gas flow during open-flow testing of gas wells.
References in periodicals archive ?
Displacement meter, critical flow prover, and sonic nozzle calculations were also added.
An operating company and a supplier have worked together to craft a solution to the challenge facing many gas transmission companies in establishing a corporate protocol for providing independent third-party verification of the company's gas meters--orifice, turbine, positive displacement, sonic, ultrasonic, and critical flow provers, (Figure 1).
In response to this industry need, Lomic created MeterCalc to monitor the performance of natural gas metering devices: orifice, turbine, displacement and ultrasonic meters, and critical flow provers.
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