'GAS OIL PISTON PROVER', PRIMARY REFERENCE VALUES FOR (HIGH- PRESSURE) GAS-VOLUME, RESULTS

M. P. van der Beek, R. van den Brink

Abstract:

The paper describes the design, measurement results and uncertainty analyses of the hydraulic driven piston-prover system which is in operation at VSL since 2008. The 12 meter long, 0.6 m bore piston-prover is used for the realization of Reference Values for Gas-Volume at pressures between 1 and 65 bar(a) and ‘any’ type of Gas. The principle is based on the displacement of a piston acting as a Gas-Oil separator. The standard has a flow-rate range from 5 to 230 m³/h. The system is designed to calibrate reference meters. The Calibration and Measurement Capability (CMC) of the system is proven smaller than 0.1% (k = 2). The paper also explains the coherence between the Gas-Oil Piston-Prover and other traceability generators and ‘flow rate bootstrapper systems’.
Keywords:

gas, oil, piston-prover, traceability
Download:

IMEKO-TC9-2013-020.pdf
DOI:

_unreg_tc9-2013.020

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