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Title: Certifying Flcw Conditions At Gas Pipeline Metering Installations
Author: Cecil R. Sparks, Robert J. Mckee
Source: 1986 International Symposium on Fluid Flow Measurement
Year Published: 1986
Abstract: It is generally recognized that pulsations and other adverse flow conditions at natural gas metering installations are major sources of metering errors. Recent research sponsored by the Southern Gas Associations Pipeline and Compressor Research Council (SGA-PCRC) has made significant strides in defining the effects of unsteady flow on metering accuracy, and in providing diagnostic techniques for assessing the severity of conditions in the field. This paper reports on the major sources of pulsation-induced errors in orifice meters: both in the primary element and in the secondary sensing and recording systems. Field data is shown to corroborate the pulsation effects described, and to demonstrate the usefulness of field certification techniques in identifying and quantifying these errors.

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