METHOD OF DETERMINING TOTAL PROVE TIME

    公开(公告)号:US20210285809A1

    公开(公告)日:2021-09-16

    申请号:US17257742

    申请日:2019-07-08

    Abstract: Methods for operating a flowmeter diagnostic tool are provided that comprise interfacing the diagnostic tool with a flowmeter (5) sensor assembly (10). A base prover volume (BPV), a desired number of passes per run, and/or a maximum number of allowed runs may be input into the diagnostic tool. Flowmeter data is received. An estimated total prove time (TPT) necessary to pass a predetermined repeatability requirement, an estimated minimum number of runs needed to achieve the calculated TPT, and/or an estimated minimum BPV may be calculated.

    DETECTING A MEASUREMENT BIAS OF A REFERENCE ZERO-FLOW VALUE

    公开(公告)号:US20240255340A1

    公开(公告)日:2024-08-01

    申请号:US18560603

    申请日:2021-06-02

    CPC classification number: G01F25/10 G01F1/8436

    Abstract: A vibratory meter (5) configured to detect a measurement bias of a reference zero-flow value is provided. The vibratory meter (5) comprises a sensor assembly (10) and a meter electronics (20) communicatively coupled to the sensor assembly (10). The meter electronics (20) is configured to measure a plurality of zero-flow values of the sensor assembly (10) and compare the plurality of zero-flow values to a reference zero-flow value to determine a bias indicator of the reference zero-flow value.

    METHOD OF CORRECTING FLOW METER VARIABLE

    公开(公告)号:US20230051187A1

    公开(公告)日:2023-02-16

    申请号:US17794127

    申请日:2020-01-31

    Abstract: A method for correcting a flow variable (509) based on an inner pressure inside a Coriolis flow meter (202) comprises the steps of receiving a first outside pressure (503) measured with a first pressure sensor (204) located in a first process conduit (208a) positioned on a first end (212a) of the Coriolis flow meter (202), determining a second outside pressure (505) in a second process conduit (208b) positioned on a second end (212b) opposing the first end (212a) of the Coriolis flow meter (202), determining an estimated inner flow meter pressure (507) based on the first outside pressure (503) and the second outside pressure (505), receiving the flow variable (509), and generating a corrected flow variable (512) based on the estimated inner flow meter pressure (507), a pressure compensation factor (510), and the flow variable (509).

    METHOD OF DETERMINING TOTAL PROVE TIME
    6.
    发明申请

    公开(公告)号:US20200264033A1

    公开(公告)日:2020-08-20

    申请号:US16812788

    申请日:2020-03-09

    Abstract: Methods for operating a flowmeter diagnostic tool are provided that comprise interfacing the diagnostic tool with a flowmeter (5) sensor assembly (10). A base prover volume (BPV), a desired number of passes per run, and/or a maximum number of allowed runs may be input into the diagnostic tool. Flowmeter data is received. An estimated total prove time (TPT) necessary to pass a predetermined repeatability requirement, an estimated minimum number of runs needed to achieve the calculated TPT, and/or an estimated minimum BPV may be calculated. A standard deviation of the flowmeter sensor assembly flow rate (σ) is calculated, and the number of samples used to calculate a is determined. A meter-specific factor (MSF) is calculated.

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