An apparatus and method for measuring wet gas using a Coriolis flow meter is provided. An apparatus embodiment includes a Coriolis meter, a DP meter, and a processing unit. The processing unit is in communication with the Coriolis and DP meters, and a memory storing instructions. The executed instructions cause the processing unit to: a) measure a density of the fluid flow using the Coriolis meter; b) determine a measure of gas wetness of the fluid flow using the measured density, an expected gas density value, and an equation of state model; c) determine a differential pressure measurement across the Coriolis meter; d) determine an over-reading of the differential pressure measurement; e) determine a mass flow rate of gas using the determined over-reading; and f) determine a mass flow rate of liquid.
G01F 1/34 - Mesure du débit volumétrique ou du débit massique d'un fluide ou d'un matériau solide fluent, dans laquelle le fluide passe à travers un compteur par un écoulement continu en utilisant des effets mécaniques en mesurant la pression ou la différence de pression
G01F 1/66 - Mesure du débit volumétrique ou du débit massique d'un fluide ou d'un matériau solide fluent, dans laquelle le fluide passe à travers un compteur par un écoulement continu en mesurant la fréquence, le déphasage, le temps de propagation d'ondes électromagnétiques ou d'autres types d'ondes, p.ex. en utilisant des débitmètres à ultrasons
G01F 1/74 - Dispositifs pour la mesure du débit d'un matériau fluide ou du débit d'un matériau solide fluent en suspension dans un autre fluide
G01F 1/84 - Débitmètres massiques du type Coriolis ou gyroscopique
G01F 15/02 - Compensation ou correction des variations de pression, de poids spécifique ou de température
2.
SPEED OF SOUND AND CONVECTIVE VELOCITY AUGMENTED CORIOLIS METERS WITH DRIVE GAIN LIMIT LOGIC
A system and method for sensing a process fluid is provided. The method includes: a) using a Coriolis meter (CM) having a flow tube to determine a CM mass flow value, a CM density value, and a drive gain signal; b) using a sensor array having a plurality of sensors configured to sense a characteristic of the process fluid that convects with the process fluid through the flow tube, and produce sensor signals representative of the process fluid characteristic convecting with the process fluid, and a sensor array processing unit in communication with the sensor array to determine a convective velocity of the process fluid; and c) reporting a first mass flow rate of the process fluid as measured by the CM or a second mass flow rate using the convective velocity and the CM density value based on the drive gain signal relative to a predetermined drive gain threshold.
An apparatus for use with a Coriolis meter is provided. The apparatus includes an array of strain-based sensors, a filtering module, and a processing unit. The sensor array is configured for sensing a meter flow tube. The array is configured for mounting on the flow tube. The sensors are configured to produce sensor signals representative of strain within the flow tube. The processing unit controls the sensor array to produce the sensor signals representative of the strain within the flow tube. The strain includes a first portion associated with the flow tube vibrating at a resonant frequency of the flow tube and a second portion associated with a fluid flow passing through the flow tube. The filtering module filters the sensor signals to remove a sensor signal portion representative of the strain associated with the flow tube vibrating at the resonant frequency of the flow tube.
G01F 1/74 - Dispositifs pour la mesure du débit d'un matériau fluide ou du débit d'un matériau solide fluent en suspension dans un autre fluide
G01F 1/84 - Débitmètres massiques du type Coriolis ou gyroscopique
G01F 1/66 - Mesure du débit volumétrique ou du débit massique d'un fluide ou d'un matériau solide fluent, dans laquelle le fluide passe à travers un compteur par un écoulement continu en mesurant la fréquence, le déphasage, le temps de propagation d'ondes électromagnétiques ou d'autres types d'ondes, p.ex. en utilisant des débitmètres à ultrasons
4.
APPARATUS AND METHOD FOR DECREASING VIBRATIONAL SENSITIVITY OF STRAIN-BASED MEASUREMENTS OF FLUID FLOW PARAMETERS FOR A FLUID FLOW WITHIN A CONDUIT
An apparatus and method of decreasing vibrational sensitivity of strain based measurements of fluid flow parameters for a fluid flow in a conduit is provided. The method includes using at least one vibrational sensor to sense a conduit to determine vibrational characteristics of the conduit, determining a predominant elastic axis using the measured vibrational characteristics, and securing a strain sensor array to an outer surface of the conduit, the strain sensor array having a plurality of strain sensors disposed at different axial positions of the conduit, the strain sensor array secured to the outer surface of the conduit at a position so that the strain sensor array is oriented substantially symmetric to the determined predominant elastic axis.
G01F 1/66 - Mesure du débit volumétrique ou du débit massique d'un fluide ou d'un matériau solide fluent, dans laquelle le fluide passe à travers un compteur par un écoulement continu en mesurant la fréquence, le déphasage, le temps de propagation d'ondes électromagnétiques ou d'autres types d'ondes, p.ex. en utilisant des débitmètres à ultrasons
G01F 15/18 - Supports ou moyens de raccordement pour les compteurs
5.
TIME-ACCURATE CFD ENHANCED INTERPRETATION OF STRAIN-BASED FLOW MEASUREMENT
A system for measuring a velocity or volumetric fluid flow rate of a fluid flow passing within a pipe includes a SONAR flow meter configured to determine a measured velocity or volumetric rate of a fluid flow passing within a pipe. The system further includes a CFD analysis device configured to produce a simulated velocity or volumetric rate of the fluid flow passing within the pipe. The system further includes a processing unit in communication with the CFD analysis device and the SONAR flow meter. The processing unit is configured to produce at least one error function based on the measured velocity or volumetric fluid flow rate and the simulated velocity or volumetric fluid flow rate, and is configured to determine an adjusted velocity or volumetric fluid flow rate using the at least one error function and the measured velocity or volumetric fluid flow rate.
G01F 1/20 - Mesure du débit volumétrique ou du débit massique d'un fluide ou d'un matériau solide fluent, dans laquelle le fluide passe à travers un compteur par un écoulement continu en utilisant des effets mécaniques par détection des effets dynamiques de l’écoulement
6.
APPARATUS AND METHOD FOR MEASURING FLUID FLOW PARAMETERS
An apparatus for measuring a parameter of a fluid flow passing within a pipe is provided. The apparatus includes a sensing device and a processing unit. The sensing device has a sensor array that includes at least one first macro fiber composite (MFC) strain sensor disposed at a first axial position, and at least one second MFC strain sensor disposed at a second axial position. The first axial position and the second axial position are spaced apart from one another. The at least one first MFC strain sensor and the at least one second MFC strain sensor are both configured to produce signals representative of pressure variations of the fluid flow passing within the pipe. The processing unit is configured to receive the signals from the sensor array and measure one or more fluid flow parameters based on the signals.
G01F 1/66 - Mesure du débit volumétrique ou du débit massique d'un fluide ou d'un matériau solide fluent, dans laquelle le fluide passe à travers un compteur par un écoulement continu en mesurant la fréquence, le déphasage, le temps de propagation d'ondes électromagnétiques ou d'autres types d'ondes, p.ex. en utilisant des débitmètres à ultrasons
G01F 1/708 - Mesure du temps de parcours d'une distance déterminée
G01F 1/712 - Mesure du temps de parcours d'une distance déterminée utilisant des moyens de détection à autocorrélation ou à intercorrélation
G01F 1/74 - Dispositifs pour la mesure du débit d'un matériau fluide ou du débit d'un matériau solide fluent en suspension dans un autre fluide
G01P 5/18 - Mesure de la vitesse des fluides, p.ex. d'un courant atmosphérique; Mesure de la vitesse de corps, p.ex. navires, aéronefs, par rapport à des fluides en mesurant le temps mis par le fluide à parcourir une distance déterminée
Aspects of the disclosure are directed to a obtaining a first plurality of signals associated with a fluid flow in a pipe, processing, by a processor, the first plurality of signals to obtain a first plot of power associated with first vortices in the fluid flow and a flow rate of the fluid flow in the pipe over a first flow rate range, determining, by the processor, that a maximum value of the power in the first plot corresponds to a maximum value of the flow rate included in the first flow rate range or that the power is increasing as a function of the flow rate towards an end of the first plot, and based on said determining, multiplying, by the processor, values of the first flow rate range to obtain a second flow rate range.
G01F 1/66 - Mesure du débit volumétrique ou du débit massique d'un fluide ou d'un matériau solide fluent, dans laquelle le fluide passe à travers un compteur par un écoulement continu en mesurant la fréquence, le déphasage, le temps de propagation d'ondes électromagnétiques ou d'autres types d'ondes, p.ex. en utilisant des débitmètres à ultrasons
G01F 1/708 - Mesure du temps de parcours d'une distance déterminée
8.
METHODOLOGY AND APPARATUS FOR DISTINGUISHING SINGLE PHASE FLUID FLOWS FROM MULTIPHASE FLUID FLOWS USING A FLOW METER
An apparatus and method for sensing a fluid flow passing within a pipe, which fluid flow comprises at least a first fluid phase. The apparatus includes a flow meter having an array of sensors and at least one processing unit, which flow meter is adapted to sense the fluid flow passing within the pipe as it travels past the array of sensors and produce signals indicative of the presence of vortical structures convecting with the fluid flow. The at least one processing unit is adapted to: (a) produce a k-ϖ plot using the signals indicative of the presence of vortical structures convecting with the fluid flow, and determine a k-ϖ plot quality parameter that indicates the presence or absence of a second fluid phase within a fluid flow passing within a pipe; or (b) determine a shape factor parameter indicative of a presence or absence of a second fluid phase within a fluid flow passing within a pipe; or (c) both (a) and (b).
G01F 1/66 - Mesure du débit volumétrique ou du débit massique d'un fluide ou d'un matériau solide fluent, dans laquelle le fluide passe à travers un compteur par un écoulement continu en mesurant la fréquence, le déphasage, le temps de propagation d'ondes électromagnétiques ou d'autres types d'ondes, p.ex. en utilisant des débitmètres à ultrasons
G01F 1/74 - Dispositifs pour la mesure du débit d'un matériau fluide ou du débit d'un matériau solide fluent en suspension dans un autre fluide
9.
SYSTEMS AND METHODS FOR MANAGING HYDROCARBON MATERIAL PRODUCING WELLSITES USING CLAMP-ON FLOW METERS
A method and system for managing one or more hydrocarbon producing well sites is provided. The well site includes a hydrocarbon material flow passing through a pipe. The system includes a clamp-on flow meter and a control station. The clamp-on flow meter is operable to produce output indicative of at least one characteristic of the hydrocarbon material flowing through the pipe at the well site. The control station is separately located from the well site. The control station includes at least one processor adapted to receive the output from the clamp-on flow meter. The processor is adapted to determine one or more characteristics of the hydrocarbon material flow at each well site using a flow compositional model.
A method and system for in situ calibrating a flow metering system to monitor fluid flow in a pipe from a well is provided. The method includes the steps of: a) measuring a first characteristic of the fluid flow exiting the well using a DP flow meter during a dry gas period, and producing an first output data representative of the first characteristic; b) measuring a second characteristic of the fluid flow exiting the well using a SONAR flow meter time during the dry gas period, and producing a second output data representative of the second characteristic; c) determining a dry gas offset between the DP flow meter and the SONAR flow meter based on the first output data and the second output data; and d) calibrating the flow metering system using the dry gas offset.
G01F 1/50 - Moyens de correction ou de compensation
G01F 1/66 - Mesure du débit volumétrique ou du débit massique d'un fluide ou d'un matériau solide fluent, dans laquelle le fluide passe à travers un compteur par un écoulement continu en mesurant la fréquence, le déphasage, le temps de propagation d'ondes électromagnétiques ou d'autres types d'ondes, p.ex. en utilisant des débitmètres à ultrasons
G01F 25/00 - Test ou étalonnage des appareils pour la mesure du volume, du débit volumétrique ou du niveau des liquides, ou des appareils pour compter par volume
11.
MINIMALLY INTRUSIVE MONITORING OF A MULTIPHASE PROCESS FLOW USING A TRACER
An apparatus for and a method of monitoring multiphase fluid flow passing within a pipe is provided. The method includes the steps of: a) providing a flow pressure value and a flow temperature value for the multiphase fluid flow within the pipe; b) sensing the fluid flow with a fluid flow meter operable to be attached to an exterior of the pipe, the flowmeter including a spatial array of at least two sensors disposed at different axial positions along the pipe, and producing flow velocity signals indicative of a velocity of the fluid flow traveling within the pipe; c) selectively injecting at least one tracer into the fluid flow passing within the pipe, at a known injection flow rate and concentration; d) sensing a sample of the fluid flow for the tracer, and producing tracer concentration signals indicative of the concentration of the tracer in the fluid flow; and e) determining one or more of a gas component flow rate, an oil component flow rate, and a water component flow rate, using one or more of the flow pressure value, the flow temperature value, the flow velocity signals, and the tracer concentration signals.
G01F 1/704 - Mesure du débit volumétrique ou du débit massique d'un fluide ou d'un matériau solide fluent, dans laquelle le fluide passe à travers un compteur par un écoulement continu utilisant des zones marquées ou non homogènes de l’écoulement de fluide, p.ex. des variations statistiques d'un paramètre du fluide
G01F 1/708 - Mesure du temps de parcours d'une distance déterminée
G01F 1/712 - Mesure du temps de parcours d'une distance déterminée utilisant des moyens de détection à autocorrélation ou à intercorrélation
G01F 1/74 - Dispositifs pour la mesure du débit d'un matériau fluide ou du débit d'un matériau solide fluent en suspension dans un autre fluide
G01F 25/00 - Test ou étalonnage des appareils pour la mesure du volume, du débit volumétrique ou du niveau des liquides, ou des appareils pour compter par volume
12.
APPARATUS AND METHOD FOR SENSING FLUID FLOW IN A PIPE WITH VARIABLE WALL THICKNESS
A method and apparatus for sensing a fluid flow within a pipe is provided. The method includes the steps of: a) providing an ultrasonic sensor having a transmitter operable to transmit ultrasonic signals through the first pipe wall, the fluid flow disposed within the pipe, and the second pipe wall, and a receiver operable to receive the transmitted signal after the signal has passed through the pipe walls and fluid flow; b) disposing the transmitter adjacent the first wall and the receiver adjacent the second wall; c) disposing at least one acoustic member between at least one of the transmitter and the first wall, and the receiver and the second wall, which acoustic member has acoustic properties such that the combined respective member and pipe wall have half wave resonant frequencies that substantially match the half wave resonant frequencies of the opposite wall, or opposite wall and respective member; and d) sensing the fluid flow through the pipe walls and structure using the ultrasonic sensor.
G01F 1/66 - Mesure du débit volumétrique ou du débit massique d'un fluide ou d'un matériau solide fluent, dans laquelle le fluide passe à travers un compteur par un écoulement continu en mesurant la fréquence, le déphasage, le temps de propagation d'ondes électromagnétiques ou d'autres types d'ondes, p.ex. en utilisant des débitmètres à ultrasons
13.
METHOD AND APPARATUS FOR MONITORING MULTIPHASE FLUID FLOW
A method of and apparatus for monitoring fluid flow passing within a pipe is provided. The method includes the steps of: a) providing a flow pressure value and a flow temperature value for the fluid flow within the pipe; b) providing a fluid flowmeter operable to be attached to an exterior of the pipe; c) providing a processor adapted to include an equation of state model for the pressure, volume, and temperature properties for the fluid flow, and further adapted to receive composition data values for the fluid flow, the flow pressure value, and the flow temperature value, and the flow velocity signals from the flowmeter; and d) determining a volumetric flow rate of one or more phases of the fluid flow.
G01F 1/66 - Mesure du débit volumétrique ou du débit massique d'un fluide ou d'un matériau solide fluent, dans laquelle le fluide passe à travers un compteur par un écoulement continu en mesurant la fréquence, le déphasage, le temps de propagation d'ondes électromagnétiques ou d'autres types d'ondes, p.ex. en utilisant des débitmètres à ultrasons
14.
ULTRASONIC FLUID FLOW METER HOUSING WITH ACOUSTICALLY MATCHED BASE
A device for sensing fluid flow within a pipe, which pipe has a pipe wall, is provided. The device includes a sensor housing and a fluid flow meter. The sensor housing includes at least one pressure vessel enclosure and hardware for mounting the enclosure on an exterior surface of the pipe wall. The enclosure includes a base, side walls, and a cap. The enclosure base has a pipe-side surface that mates with the exterior surface of the pipe wall. The enclosure base and the pipe wall have substantially similar resonant frequencies and acoustic impedance. The sensor housing is adapted to be attached to the pipe wall such that the pipe-side surface of the base is mated with the exterior surface of the pipe wall. The fluid flow meter includes a plurality of ultrasonic sensors disposed within the at least one pressure vessel enclosure. Each sensor has a transmitter and a receiver. The transmitters are adapted to transmit signals at one or more frequencies, including frequencies that are substantially equal to the resonant frequencies of the base and pipe wall.
G01F 1/66 - Mesure du débit volumétrique ou du débit massique d'un fluide ou d'un matériau solide fluent, dans laquelle le fluide passe à travers un compteur par un écoulement continu en mesurant la fréquence, le déphasage, le temps de propagation d'ondes électromagnétiques ou d'autres types d'ondes, p.ex. en utilisant des débitmètres à ultrasons
15.
METHOD AND APPARATUS FOR MONITORING MULTIPHASE FLUID FLOW
A method and apparatus for monitoring multiphase fluid flow passing within a pipe is provided. The method includes the steps of: a) providing a flow pressure value and a flow temperature value for the multiphase fluid flow within the pipe; b) providing a fluid flowmeter operable to be attached to an exterior of the pipe, the flowmeter including a spatial array of at least two sensors disposed at different axial positions along the pipe, which flowmeter is adapted to produce flow velocity signals indicative of a velocity of the fluid flow traveling within the pipe; c) providing a processor adapted to include an equation of state model for the pressure, volume, and temperature properties for the multiphase fluid flow, and further adapted to receive composition data values for the multiphase fluid flow, the flow pressure value, and the flow temperature value, and the flow velocity signals from the flowmeter; and d) determining a volumetric flow rate of one or both the gas phase and liquid phase of the fluid flow.
A method and apparatus for determining a parameter of fluid flow within a piping system is provided. The method includes the steps of: a) determining a measured velocity of the fluid flow within the piping system using a fluid flow meter; b) determining a measured difference in pressure value within the fluid flow using a differential pressure meter; c) selecting an estimated Reynolds number of the fluid flow; d) determining a calculated difference in pressure value using a model which relates the calculated difference in pressure value to the measured velocity and the estimated Reynolds number of the fluid flow; e) determining a degree of inaccuracy of the estimated Reynolds number using the measured difference in pressure and the calculated difference in pressure; and f) iteratively adjusting the estimated Reynolds number, determining the calculated difference in pressure, and determining the degree of inaccuracy using the adjusted Reynolds number, until the degree of inaccuracy is within an acceptable range.
G01F 1/34 - Mesure du débit volumétrique ou du débit massique d'un fluide ou d'un matériau solide fluent, dans laquelle le fluide passe à travers un compteur par un écoulement continu en utilisant des effets mécaniques en mesurant la pression ou la différence de pression
G01F 1/66 - Mesure du débit volumétrique ou du débit massique d'un fluide ou d'un matériau solide fluent, dans laquelle le fluide passe à travers un compteur par un écoulement continu en mesurant la fréquence, le déphasage, le temps de propagation d'ondes électromagnétiques ou d'autres types d'ondes, p.ex. en utilisant des débitmètres à ultrasons
G01F 15/02 - Compensation ou correction des variations de pression, de poids spécifique ou de température
G01F 25/00 - Test ou étalonnage des appareils pour la mesure du volume, du débit volumétrique ou du niveau des liquides, ou des appareils pour compter par volume
G01N 11/08 - Recherche des propriétés d'écoulement des matériaux, p.ex. la viscosité, la plasticité; Analyse des matériaux en déterminant les propriétés d'écoulement en mesurant l'écoulement du matériau à travers un passage étroit, p.ex. un tube, une ouverture en mesurant la pression nécessaire à la production d'un écoulement connu
17.
APPARATUS FOR ATTENUATING ULTRASONIC WAVES PROPAGATING WITHIN A PIPE WALL
A damping device for a fluid flow meter is provided. The fluid flow meter is mountable on the exterior of a pipe to meter fluid flow traveling within the pipe. The flow meter has at least one ultrasonic sensor operable to transmit ultrasonic signals through a wall in a direction substantially normal to the pipe wall and into a fluid flow disposed within the pipe. The transmitted signals create secondary ultrasonic signals circumferentially traveling within the pipe wall at one or more frequencies. The damping device includes a tuned body attachable to the pipe wall at one or more contact points. The body has one or more resonant structural modes, each with a natural frequency, which natural frequencies are closely matched to the one or more frequencies of the secondary signals. The body is operable to dissipate energy upon excitation by the secondary signals.
G01F 1/66 - Mesure du débit volumétrique ou du débit massique d'un fluide ou d'un matériau solide fluent, dans laquelle le fluide passe à travers un compteur par un écoulement continu en mesurant la fréquence, le déphasage, le temps de propagation d'ondes électromagnétiques ou d'autres types d'ondes, p.ex. en utilisant des débitmètres à ultrasons
G01F 15/14 - Revêtements, p.ex. avec un matériau spécial
18.
METHOD AND APPARATUS FOR MAKING A WATER CUT DETERMINATION USING A SEQUESTERED LIQUID-CONTINUOUS STREAM
An apparatus and method for determining the water cut value of a multiphase fluid flowing within a pipe is provided. The device includes a sequestering structure disposed within the pipe, a transmitting device, a receiving device, and a processing device. The sequestering structure at least partially defines a sensing passage within the pipe, which passage has a gap extending substantially normal to a direction of fluid flow within the pipe. The sensing passage is oriented to sequester an amount of a liquid component of the multi-phase fluid sufficient to form a continuous liquid body extending across the gap of the sensing passage. The transmitting device is operable to transmit a signal through the liquid across the gap of the sensing passage. The receiving device is operable to receive the signal after it has traversed the liquid within the sensing passage, and create sensor data. The processing device is in communication with at least the receiving device to receive and process the sensor data to determine the water cut value of the liquid.
G01F 1/66 - Mesure du débit volumétrique ou du débit massique d'un fluide ou d'un matériau solide fluent, dans laquelle le fluide passe à travers un compteur par un écoulement continu en mesurant la fréquence, le déphasage, le temps de propagation d'ondes électromagnétiques ou d'autres types d'ondes, p.ex. en utilisant des débitmètres à ultrasons
G01F 1/74 - Dispositifs pour la mesure du débit d'un matériau fluide ou du débit d'un matériau solide fluent en suspension dans un autre fluide
G01F 5/00 - Mesure d'une fraction du débit volumétrique
19.
CLAMP-ON APPARATUS FOR MEASURING A FLUID FLOW THAT INCLUDES A PROTECTIVE SENSOR HOUSING
An apparatus for measuring one or more characteristics of a fluid flowing within a pipe is provided. The apparatus includes a housing, sealant, and an array of at least two ultrasonic sensors. The housing is operable to be mounted on the exterior surface of the pipe. The housing has at least one pocket extending between a pipe-side surface and an outer surface. The pipe-side surface mates with the exterior surface of the pipe. The sealant is disposed between the pipe exterior surface and the housing pipe-side surface. The sealant forms a seal around the pocket when the housing is mounted on the exterior surface of the pipe. The array of ultrasonic sensor units are disposed within the at least one pocket. Each sensor unit includes a transmitter and a receiver. The transmitters are operable to transmit ultrasonic signals through the fluid flow within the pipe. The receivers are operable to receive signals from the transmitters.
G01F 1/66 - Mesure du débit volumétrique ou du débit massique d'un fluide ou d'un matériau solide fluent, dans laquelle le fluide passe à travers un compteur par un écoulement continu en mesurant la fréquence, le déphasage, le temps de propagation d'ondes électromagnétiques ou d'autres types d'ondes, p.ex. en utilisant des débitmètres à ultrasons
20.
APPARATUS FOR ATTENUATING ULTRASONIC WAVES PROPAGATING WITHIN A PIPE WALL
A damping device for a fluid flow meter mountable on the exterior of a pipe to meter fluid flow traveling within the pipe is provided. The flow meter has at least one ultrasonic sensor operable to transmit ultrasonic signals through a pipe wall in a direction normal to the pipe wall and into a fluid flow disposed within the pipe, which signals create secondary ultrasonic signals circumferentially traveling within the pipe wall at a frequency. The damping device includes a base and a plurality of tines. The base is conformable to an exterior surface of the pipe wall, and has a pipe-side surface and a tine-side surface. The plurality of tines is attached to the base and extends outwardly from the tine-side surface. Each tine is spaced apart from an adjacent tine by a tine-to-tine distance that is less than the wavelength of the secondary ultrasonic signals circumferentially propagating within the pipe wall.
G01F 1/66 - Mesure du débit volumétrique ou du débit massique d'un fluide ou d'un matériau solide fluent, dans laquelle le fluide passe à travers un compteur par un écoulement continu en mesurant la fréquence, le déphasage, le temps de propagation d'ondes électromagnétiques ou d'autres types d'ondes, p.ex. en utilisant des débitmètres à ultrasons
21.
A SYSTEM AND METHOD FOR PROVIDING A COMPOSITIONAL MEASUREMENT OF A MIXTURE HAVING ENTRAINED GAS
A method and apparatus for determining at least one characteristic of a fluid flowing within a pipe is provided. The fluid flow may include one or more liquid component bodies and one or more gas component bodies, which bodies occupy a substantial cross-sectional area of the pipe when passing a location in the pipe. The method includes, and the apparatus includes elements operable to perform, the steps of: 1) transmitting a signal into the fluid flow at the location within the pipe, and receiving the signal after it has traversed at least a portion of the fluid flow; 2) determining a time of flight of the signal traversing the fluid flow; 3) determining the presence of a liquid component body at the location in the pipe, using the determined time of flight; and 4) determining at least one characteristic of the fluid using fluid data generated if the liquid component body is present at the location.
G01N 29/024 - Analyse de fluides en mesurant la vitesse de propagation ou le temps de propagation des ondes acoustiques
G01N 29/22 - Recherche ou analyse des matériaux par l'emploi d'ondes ultrasonores, sonores ou infrasonores; Visualisation de l'intérieur d'objets par transmission d'ondes ultrasonores ou sonores à travers l'objet - Détails
A method for measuring the thickness of a pipe wall is provided. The method includes the steps of: 1) emitting ultrasonic signals into the pipe wall at one or more frequencies below 1 MHz and receiving reflected ultrasonic signals, and providing a sensor signal representative of the received reflected signals, including a first received reflected signal and a second received reflected signal; 2) providing a first model signal representative of the first received reflected signal and a second model signal representative of the second received reflected signal; 3) correlating the received reflected signals to the model signals, including varying a time delay between the model signals, until the model signals separated by the time delay substantially agree with the received reflected signals; and 4) determining the thickness of the pipe wall using the time delay.
A method and apparatus for measuring wetness of a gas flow within a conduit is provided that includes a first pressure sensor, a second pressure sensor, a sonar based flowmeter, and a processing device. The first pressure sensor is operable to sense the pressure of the gas flow within the conduit at a first position. The second pressure sensor is operable to sense the pressure of the gas flow within the conduit at a second position. The second position is located downstream of the first position an amount sufficient that the gas flow experiences a pressure drop. The sonar based flowmeter is configured to determine a volumetric flow rate of the gas flow. The processing device is in communication with the first and second pressure sensors and the sonar based flowmeter. The processing device is adapted to determine a difference in the pressure sensed by the first and second pressure sensors, and to determine the wetness of the gas flow using the difference in pressure and the volumetric flow rate.
G01F 1/36 - Mesure du débit volumétrique ou du débit massique d'un fluide ou d'un matériau solide fluent, dans laquelle le fluide passe à travers un compteur par un écoulement continu en utilisant des effets mécaniques en mesurant la pression ou la différence de pression la pression ou la différence de pression étant produite par une contraction de la veine fluide
G01F 1/66 - Mesure du débit volumétrique ou du débit massique d'un fluide ou d'un matériau solide fluent, dans laquelle le fluide passe à travers un compteur par un écoulement continu en mesurant la fréquence, le déphasage, le temps de propagation d'ondes électromagnétiques ou d'autres types d'ondes, p.ex. en utilisant des débitmètres à ultrasons
G01F 1/708 - Mesure du temps de parcours d'une distance déterminée
G01F 1/712 - Mesure du temps de parcours d'une distance déterminée utilisant des moyens de détection à autocorrélation ou à intercorrélation
G01F 1/74 - Dispositifs pour la mesure du débit d'un matériau fluide ou du débit d'un matériau solide fluent en suspension dans un autre fluide
G01F 15/08 - Séparateurs d'air ou de gaz en combinaison avec des compteurs de liquides; Séparateurs de liquide en combinaison avec des compteurs de gaz
24.
METHOD AND APPARATUS FOR MEASURING PARAMETERS OF A FLUID FLOWING WITHIN A PIPE USING A CONFIGURABLE ARRAY OF SENSORS
An apparatus for measuring at least one parameter associated with a fluid flowing within a pipe includes a single sheet of piezoelectric film material wrapped around at least a portion of the pipe and an array of sensors disposed at different locations on the film material. Each of the sensors provides a signal indicative of pressure within the pipe at a corresponding axial and/or circumferential location of the pipe. The sensors are selectively configurable to provide the pressure signals. The signals are processed to determine the parameter. The array of sensors is configurable in response to different criteria. The criteria includes at least one of the parameter of the fluid to be output, an input signal specifying sensors to be selected, a predetermined configuration based on the parameter to be determined, and in response to a previously determined parameter of the fluid.
G01F 1/66 - Mesure du débit volumétrique ou du débit massique d'un fluide ou d'un matériau solide fluent, dans laquelle le fluide passe à travers un compteur par un écoulement continu en mesurant la fréquence, le déphasage, le temps de propagation d'ondes électromagnétiques ou d'autres types d'ondes, p.ex. en utilisant des débitmètres à ultrasons
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