Ultrasonic meter flow measurement monitoring system
First Claim
1. An automated meter station monitoring system for a fluid comprising:
- a processor having algorithms for verifying performance of a fluid flow measurement system;
a pressure sensor operatively connected to said processor, said pressure sensor measuring the pressure of the fluid;
a temperature sensor operatively connected to said processor, said temperature sensor measuring the temperature of the fluid;
a gas chromatograph operatively connected to said processor, said gas chromatograph monitoring changes in gas composition and chromatograph response factors of the fluid;
an ultrasonic meter operatively connected to said processor, said ultrasonic meter making at least one measurement of the velocity of the fluid, speed of sound of the fluid, actual flow rate of the fluid, and meter diagnostics; and
a flow computer operatively connected to said processor, said flow computer recording pressure of the fluid, recording temperature of the fluid, recording gas composition of the fluid, calculating compressibility ratio of the fluid, calculating standard flow rate of the fluid, and calculating energy flow rate of the fluid;
wherein the processor calculates at least one of the following parameters;
velocity of the fluid, compressibility ratio of the fluid, actual flow rate of the fluid, standard flow rate of the fluid, speed of sound of the fluid, and energy flow rate of the fluid;
wherein the processor compares one or more of said parameters to one or more corresponding parameters measured by the ultrasonic meter or the flow computer or the gas chromatograph to verify the performance of the fluid flow measurement system;
wherein the processor calculates the energy flow rate of the fluid based on the standard flow rate calculated by the flow computer and a heating value measured by the gas chromatograph; and
wherein the processor monitors a difference between the energy flow rate of the fluid calculated by the flow computer and the energy flow rate calculated by the processor.
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Accused Products
Abstract
The present invention provides an automated meter station monitoring system for a fluid comprising a processor having algorithms for verifying performance of a fluid flow measurement system. A pressure sensor is operatively connected to the processor to measure the pressure of the fluid. A temperature sensor is operatively connected to the processor to measure the temperature of the fluid. A gas chromatograph is operatively connected to the processor to monitor changes in gas composition and chromatograph response factors of the fluid. An ultrasonic meter is operatively connected to the processor to monitor the velocity of the fluid, speed of sound of the fluid, and meter diagnostics. A flow computer is operatively connected to the processor to record pressure of the fluid, record temperature of the fluid, record gas composition of the fluid, calculate compressibility ratio of the fluid, calculate standard flow rate of the fluid, and calculate energy rate of the fluid.
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Citations
23 Claims
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1. An automated meter station monitoring system for a fluid comprising:
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a processor having algorithms for verifying performance of a fluid flow measurement system; a pressure sensor operatively connected to said processor, said pressure sensor measuring the pressure of the fluid; a temperature sensor operatively connected to said processor, said temperature sensor measuring the temperature of the fluid; a gas chromatograph operatively connected to said processor, said gas chromatograph monitoring changes in gas composition and chromatograph response factors of the fluid; an ultrasonic meter operatively connected to said processor, said ultrasonic meter making at least one measurement of the velocity of the fluid, speed of sound of the fluid, actual flow rate of the fluid, and meter diagnostics; and a flow computer operatively connected to said processor, said flow computer recording pressure of the fluid, recording temperature of the fluid, recording gas composition of the fluid, calculating compressibility ratio of the fluid, calculating standard flow rate of the fluid, and calculating energy flow rate of the fluid; wherein the processor calculates at least one of the following parameters;
velocity of the fluid, compressibility ratio of the fluid, actual flow rate of the fluid, standard flow rate of the fluid, speed of sound of the fluid, and energy flow rate of the fluid;wherein the processor compares one or more of said parameters to one or more corresponding parameters measured by the ultrasonic meter or the flow computer or the gas chromatograph to verify the performance of the fluid flow measurement system; wherein the processor calculates the energy flow rate of the fluid based on the standard flow rate calculated by the flow computer and a heating value measured by the gas chromatograph; and wherein the processor monitors a difference between the energy flow rate of the fluid calculated by the flow computer and the energy flow rate calculated by the processor. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A method for automated monitoring of a fluid flow measurement system, the method comprising:
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providing a processor having algorithms for verifying the performance of a fluid flow measurement system; providing a pressure sensor operatively connected to said processor, said pressure sensor measuring the pressure of the fluid; providing a temperature sensor operatively connected to said processor, said temperature sensor measuring the temperature of the fluid; providing a gas chromatograph operatively connected to said processor, said gas chromatograph monitoring the gas composition of the fluid and the chromatograph calibration response factors; providing an ultrasonic meter operatively connected to said processor, said ultrasonic meter making at least one measurement of the velocity of the fluid, speed of sound of the fluid, actual flow rate of the fluid, and meter diagnostics; and providing a flow computer operatively connected to said processor, said flow computer recording pressure of the fluid, recoding temperature of the fluid, and recording gas composition of the fluid; calculating, by the flow computer, compressibility ratio of the fluid; calculating, by the flow computer, actual flow rate and a standard flow rate of the fluid; calculating, by the flow computer, energy rate of the fluid; calculating, by the processor, at least one of the following parameters;
velocity of the fluid, compressibility ratio of the fluid, actual flow rate of the fluid, standard flow rate of the fluid, speed of sound of the fluid, and energy flow rate of the fluid; andcomparing, by the processor, one or more of said parameters to one or more corresponding parameters measured by the ultrasonic meter or the flow computer to verify the performance of the fluid flow measurement system; calculating, by the processor, the energy flow rate of the fluid based on the standard flow rate calculated by the flow computer and a heating value measured by the gas chromatograph; and monitoring, by the processor, a difference between the energy flow rate of the fluid calculated by the flow computer and the energy flow rate calculated by the processor. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23)
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Specification