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Title: Field Testing Of Hihg Volume Gas Turbine Meters
Author: Jim Beeson
Source: 1993 Gulf Coast Measurement Short Course (Now called ASGMT)
Year Published: 1993
Abstract: This paper examines a patented mobile gas turbine meter proving system that blends technology from liquid turbine meter provers with innovative ideas that particularly apply to gas measurement. Arkla Pipeline Group developed and currently uses this mobile sonic nozzle prover on gas turbine meters ranging in size from 3 thru 16 at meter station sites under actual operating conditions. The prover also incorporates a gas chromatograph which is used in the actual mass flow computations. This system has numerous enhancements over former methods of proving gas turbine meters. Arkla formerly proved its larger turbine meters, having capacities of 60,000 ACFH (Actual Cubic Feet per Hour), with a Roots transfer prover capable of only 10,000 ACFH. This meant that the provings were at or near locations on the proving curve where the K-factor (Pulses per Actual Cubic Foot) might be in error for the turbine meters normal flow rate. With the prover Arkla can now prove a turbine meter at the rate it is actual1y flowing.

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