Medium, method and system for proving a turbine meter

Details Medium, method and system for proving a turbine meter Medium, method and system for proving a turbine meter

2007-01-02

2007-01-02

Williams, Hezron (Department: 2856)

Measuring and testing

Instrument proving or calibrating

Volume of flow, speed of flow, volume rate of flow, or mass...

C073S001280, C702S100000

Reexamination Certificate

active

10762549

ABSTRACT:
A novel medium, method and system for proving a turbine meter for use with natural gas. The novel test medium is a gas having the following characteristics: (a) Density>2×Density of Natural Gas; (b) Dynamic Viscosity<Dynamic Viscosity of Natural Gas; and (c) Ideal gas behavior for approximately 15° C.<T<25° C. and 1 bar<P<50 bar. The method and system make use of the novel test medium. Also disclosed is a novel method and system for cooling a test medium circulating in a turbine meter prover system involving injecting liquefied test medium into said circulating test medium.

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