Oilfield Glossary
Oilfield Glossary
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velocity correction factor

1. n. [Production Logging]
The factor linking the velocity of single-phase liquid flow measured in the center of a pipe with the average velocity across the pipe. For vertical pipes with turbulent flow measured by standard flowmeters, the velocity-correction factor varies within a range of 0.75 to 0.95, but is often taken as 0.83. For laminar flow, it is theoretically 0.5.