Technique to identify anomaly amongst base prover volumes using estimated uncertainty
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United States of America Patent
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Jul 25, 2023
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N/A
app pub date -
Dec 7, 2020
filing date -
Dec 7, 2020
priority date (Note) -
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Abstract
A system for identifying an anomaly in flow meter proving equipment includes four detectors D1, D2, D3, and D4. A data acquisition and monitoring system is configured to signals from D1, D2, D3, and D4 to measure flow volumes between D1 and D3 as a measured volume Va, between D2 and D4 as a measured volume Vb, between D2 and D3 as a measured volume Vc, and between D1 and D4 as a measured volume Vd. The data acquisition and monitoring system calculates Va+Vb−Vc−Vd plus a max uncertainty as an upper range value and Va+Vb−Vc−Vd minus the max uncertainty as a lower range value. The data acquisition and monitoring system identifies an anomaly in response to the upper range value being less than zero or the lower range value being greater than zero and initiates recalibration of the prover in response to the identifying of the anomaly.
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