July 2013, Vol. 240 No. 7


The Portable Clamp-On Ultrasonic Meter: A Tool For Gas Pipeline Operators

The increasing rate of natural gas users and higher gas prices in Colombia has created the need of considering better, more accurate measurement alternatives to reduce the uncertainty of calculated volumes in customer natural gas stations where a fiscal custody transfer system is not available. As known, commonly these technologies are used for transmission measurement: • DP Flow Meters (AGA 3) • Turbine Flow Meters (AGA 7) • Rotary-Type Gas Displacement (ANSI B109.3) • Diaphragm Flow Meters (NTC 2728) • Ultrasonic Flow Meters (AGA 9) • Coriolis Flow Meters (AGA 11) Promigas is a Colombian natural gas transmission company that delivers gas a

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