WO2018089576A1 - Compteur de débit de pompe électrique immergée - Google Patents

Compteur de débit de pompe électrique immergée Download PDF

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Publication number
WO2018089576A1
WO2018089576A1 PCT/US2017/060768 US2017060768W WO2018089576A1 WO 2018089576 A1 WO2018089576 A1 WO 2018089576A1 US 2017060768 W US2017060768 W US 2017060768W WO 2018089576 A1 WO2018089576 A1 WO 2018089576A1
Authority
WO
WIPO (PCT)
Prior art keywords
pipe section
fluid
pressure
flow
pressure sensor
Prior art date
Application number
PCT/US2017/060768
Other languages
English (en)
Inventor
Jinjiang Xiao
Randall Alan SHEPLER
Original Assignee
Saudi Arabian Oil Company
Aramco Services Company
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US15/349,054 external-priority patent/US10480312B2/en
Application filed by Saudi Arabian Oil Company, Aramco Services Company filed Critical Saudi Arabian Oil Company
Priority to EP17804744.5A priority Critical patent/EP3538741A1/fr
Priority to CA3043857A priority patent/CA3043857A1/fr
Publication of WO2018089576A1 publication Critical patent/WO2018089576A1/fr

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00—Survey of boreholes or wells
    • E21B47/10—Locating fluid leaks, intrusions or movements
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/12—Methods or apparatus for controlling the flow of the obtained fluid to or in wells
    • E21B43/121—Lifting well fluids
    • E21B43/128—Adaptation of pump systems with down-hole electric drives
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00—Survey of boreholes or wells
    • E21B47/06—Measuring temperature or pressure

Definitions

  • the present invention relates to electrical submersible pumps. More specifically, the invention relates a flow meter used in conjunction with an electrical submersible pump.
  • ESPs electric submersible pumping systems
  • ESPs often use downhole monitoring tools to supply both temperature and pressure readings from different locations on the ESP. For example, intake pressure, discharge pressure, and motor temperature, as well as other readings may be taken on the ESP.
  • an apparatus for monitoring a flow of fluid in a subterranean well includes a first pipe section selectively disposed in the flow of fluid, a first pressure sensor on the first pipe section that measures a first pressure loss of the flow of fluid along at least a portion of the first pipe section, the first pressure loss made up of first gravitational losses and first frictional losses, a second pipe section spaced axially away from the first pipe section and that is selectively disposed in the flow of fluid, a second pressure sensor on the second pipe section that measures a second pressure loss of the flow of fluid along at least a portion of the second pipe section and that is made up of second gravitational losses and second frictional losses, the second pipe section having an outer diameter that is less than an outer diameter of the first pipe section so that the second frictional losses are negligible with respect to the second gravitational losses, a controller in communication with the first and second pressure sensors and that calculates a pressure gradient along a portion of the second pipe section based on the
  • the first and second pressure sensors each have sensor systems having axially spaced apart sensors that measure a pressure gradient.
  • the apparatus can further have pressure transmitters in communication with the first and second sensors and the communication media.
  • the first and second pipe sections can be coupled together to define a metering assembly, and wherein an end of the metering assembly can be attached to an electrical submersible pump.
  • a power source is included that is in communication with the electrical submersible pump.
  • a power cable provides electrical communication between the power source and the electrical submersible pump, and wherein signals between the first and second pressure sensors are transmitted to the controller along the power cable.
  • the flow of fluid travels along a path that passes inside of the first and second pipe sections.
  • the flow of fluid travels along a path that passes through an annular space between the first and second pipe sections and a sidewall of the well.
  • an apparatus for monitoring a flow of fluid in a subterranean well includes an upper pipe section selectively disposed in the flow of fluid, an upper pressure sensor on the upper pipe section that measures an upper pressure loss of the flow of fluid along at least a portion of the upper pipe section, the upper pressure loss made up of upper gravitational losses and upper frictional losses, a lower pipe section selectively disposed in the flow of fluid, a lower pressure sensor on the lower pipe section that measures a lower pressure loss of the flow of fluid along at least a portion of the lower pipe section, the lower pressure loss made up of lower gravitational losses and lower frictional losses, the lower pipe section having an outer diameter that is less than an outer diameter of the upper pipe section so that the lower frictional losses are negligible with respect to the lower gravitational losses, and a controller in communication with the upper and lower pressure sensors and that calculates a flowrate of the flow of fluid based on upper and lower gravitational losses, upper frictional losses, and that ignores the lower friction
  • the upper pipe sections, the lower pipe sections, the upper pressure sensor, and the lower pressure sensor define a metering assembly.
  • an end of the metering assembly is coupled to an electrical submersible pump that pressurizes fluid from the flow of fluid, and wherein the flowrate calculated by the controller is substantially the same as a flowrate of a flow of fluid that is being pressurized by the electrical submersible pump.
  • the upper pressure sensor includes pressure sensors that are axially spaced apart on the upper pipe section.
  • the lower pressure sensor can include pressure sensors that are axially spaced apart on the lower pipe section.
  • the controller can estimate a water cut percentage of the flow of fluid based on the equation.
  • the controller estimates the flowrate of the flow of fluid based on a relationship where a pressure gradient difference between the upper and lower pipe sections is: ( p m v 2 m )/(24g c D 3 ⁇ 4 ).
  • a production string can be included that is in fluid communication with the upper and lower pipe sections.
  • Figure 1 is an elevational view of an electrical submersible pump with a flow meter of an embodiment of the current application.
  • Figure 2 is an elevational view of an electrical submersible pump with a flow meter of an alternative embodiment of the current application.
  • Figure 3 is a side sectional view of an alternate embodiment of the electrical submersible pump and flow meter of Figure 1.
  • FIG. 1 Shown in a side sectional view in Figure 1 is an example of a well 10 having one embodiment of an electric submersible pump (“ESP") 12 disposed therein.
  • ESP 12 depends from an end of a tubing string 14 disposed in the well 10.
  • well 10 has in internal bore 11 with a diameter 13.
  • an electric motor 16 with a seal section 18 disposed adjacent motor 16.
  • seal section 18 equalizes pressure within ESP 12 with ambient pressure to reduce pressure differentials on fluid seals in the ESP 12 and thereby prevent well fluid from entering motor 16.
  • ESP 12 also includes a pump section comprising pump assembly 20 located on an end of seal section 18 distal from motor 16.
  • the pump assembly 20 includes a pump such as a centrifugal pump.
  • Pump assembly 20 could alternatively include a progressing cavity pump, which has a helical rotor that rotates within an elastomeric stator.
  • An ESP monitoring tool 22 is located below electric motor 16. In the illustrated example, monitoring tool 22 monitors various pressures, temperatures, and vibrations associated with the ESP 12.
  • ESP 12 lifts well fluids from within the well 10 to the surface.
  • Fluid inlets 24 located on pump assembly 20 define an entry way for fluid to enter into ESP 12.
  • a power cable 26 extends alongside production tubing 14, terminating in a splice or connector 28 that electrically couples cable 26 to a second power cable, or motor lead 30.
  • Metering assembly 34 includes an upper pipe section 36 shown mounted to monitoring tool 22 of ESP 12.
  • upper pipe section 36 is an elongated member having a curved outer periphery thereby having a cylinder like outer surface.
  • Upper pipe section 36 has an external diameter 38.
  • Metering assembly 34 also includes a lower pipe section 40 located on a side of upper pipe section 36 distal from motor 16.
  • Lower pipe section 40 is also elongated with a curved outer periphery to have a generally cylindrically shaped outer surface.
  • External diameter 42 of lower pipe section 40 has a magnitude less than that of the external diameter 38 of upper pipe section 36.
  • a tapered intermediate pipe section 44 mates the upper pipe section 36 to lower pipe section 40.
  • the intermediate pipe section 44 is tapered or swaged in such a manner to create a smooth transition between larger diameter upper pipe section 36 to the smaller diameter lower pipe section 40 to minimize the sudden flow disturbance and pressure losses within bore 11.
  • each of upper pipe section 36 and lower pipe section 40 may have a length of 15 to 20 feet.
  • the external diameter 42 of lower pipe section 40 may be 3.5 inches or smaller and the external diameter 38 of upper pipe section 36 my be 5.5 inches.
  • the external diameter 42 of lower pipe section 40 may be 4.5 inches or smaller and the external diameter 38 of upper pipe section 36 my be 7 inches.
  • the external diameters 38, 42 of upper and lower pipe sections 36, 40 are smaller than the internal diameter 13 of the bore 11 of well 10.
  • the annular spaces between external diameters 38, 42 and bore 11 create an annular flow path 46 for the passage of fluids within the well 10 as the fluid flows towards fluid inlets 24 of pump assembly 20.
  • a pressure sensing means is located on upper pipe section 36 and lower pipe section 40.
  • the upper pressure sensing means includes two upper flow pressure sensors 48, 50 located on upper pipe section 36.
  • the upper sensors 48, 50 as shown are located at an upper distance 52 apart from each other and selectively collect data from fluid flowing exterior to the upper and lower pipe sections 36, 40 in the annular flow path 46.
  • Embodiments exist where upper distance 52 ranges from around 10 to 15 feet, and all distances within this range.
  • a single pressure differential sensor may be used to measure the pressure difference between the two upper locations.
  • the lower pressure sensing means includes two lower flow pressure sensors 54, 56 located on lower pipe section 40.
  • the lower sensors 54, 56 are located at a lower distance 58 apart from each other.
  • lower distance 58 ranges from around 10 feet to around 15 feet, and all distances within this range.
  • a single pressure differential sensor is used to measure the pressure difference between the two lower locations.
  • a first pressure loss is measured over lower distance 58.
  • the first pressure loss is determined by measuring a pressure with first lower sensor 56 and second lower sensor 54 and finding the difference between the two pressure readings.
  • a single pressure differential sensor measures the first pressure loss.
  • the gravitational losses exceed the frictional losses by an amount such that a sufficiently accurate estimate of the first pressure loss is calculated by ignoring the frictional losses.
  • a sufficiently accurate estimate includes calculation results that are within a margin of error so that a difference between calculations or other evaluations using the sufficiently accurate estimate are within an acceptable margin from calculations that account for the frictional losses.
  • an acceptable margin would mean that a calculated size of something being designed to accommodate the flow fluid is substantially the same when accounting for frictional losses or not accounting for frictional losses. As such, in an example of evaluating the first pressure loss the frictional losses between sensors 54, 56 are ignored and only the gravitational losses considered.
  • the second pressure loss is determined by measuring a pressure in the fluid with first upper sensor 50 and second upper sensor 48 and finding the difference between the two pressure readings.
  • a single pressure differential sensor measures the second pressure loss. Because of the relatively larger external diameter 38 of upper pipe section 36, the second pressure loss is made up of substantial amounts of both gravitational loss and frictional loss, so that an accurate estimate of the second pressure includes both gravitational and frictional pressure losses.
  • the pressure loss data collected by sensors 48, 50, 54, and 56 is transmitted to surface along the power cable 26, which is in communication with the metering assembly 34 through ESP monitoring tool 22.
  • the flow rate of the fluids within well 10 and the water cut of such fluids is calculated with this pressure loss data using hydraulic equations as further describe herein. More specifically in this example, the first pressure loss estimated via the first and second lower sensors 56, 54 (or with a single pressure differential sensor) is used to calculate oil-water mixture density and the production water cut. Further in this example, the second pressure loss, calculated with data from first upper sensor 50 and second upper sensor 48 (or with a single pressure differential sensor) is used to calculate oil-water mixture flowrate.
  • FIG. 2 shown in a side partial sectional view is an alternate embodiment of ESP 12 having an electric motor 16, seal section 18 adjacent motor 16, and pump assembly 20 on a side of seal section 18 distal from motor 16.
  • metering assembly 34 is disposed adjacent a side of pump assembly 20 distal from seal section 18 with lower pipe section 40 mounted to a discharge end of pump assembly 20.
  • ESP monitoring tool 22 is shown adjacent electric motor 16 and distal from seal section 18.
  • Fluid inlets 24 on pump assembly 20 define a passage for receiving fluid into ESP 12. The fluids then continue upwards within lower pipe section 40 and upper pipe section 36, and then discharged into tubing string 14, where tubing string couples to an end of upper pipe section 36 distal from lower pipe section 40.
  • lower pipe section 40 has an internal diameter 42 which is smaller than the internal diameter 38 of upper pipe section 36.
  • a tapered intermediate pipe section 44 mates the upper pipe section 36 to lower pipe section 40.
  • the intermediate pipe section 44 is tapered in such a manner to create a smooth transition between upper pipe section 36 to lower pipe section 40 to minimize the sudden flow disturbance and pressure losses in fluid flowing along this flow path.
  • each of upper pipe section 36 and lower pipe section 40 have lengths that range from about 15 feet to about to 20 feet, and all distances within this range.
  • the internal diameter 42 of lower pipe section 40 ranges up to about 3.5 inches
  • the internal diameter 38 of upper pipe section 36 ranges up to about 5.5 inches.
  • the internal diameters 38, 42 of upper and lower pipe sections 36, 40 are smaller than the internal diameter 13 of the bore 11 of well 10.
  • An example of a packer 60 is depicted sealingly engaged between upper pipe section 36 and the bore 11. Packer 60 blocks flow path 46 so that fluids are diverted into fluid inlets 24, to be pressured by pump assembly 20 and then transported to the surface through tubing string 14.
  • Examples of a upper and lower pressure sensing means are located on upper pipe section 36 and lower pipe section 40.
  • the upper pressure sensing means as shown includes two upper flow pressure sensors 48, 50 located on upper pipe section 36.
  • the upper sensors 48, 50 are located at an upper distance 52 apart from each other. In an embodiment, upper distance 52 ranges from about 10 feet to about 15 feet, and all distances within this range.
  • a single pressure differential sensor measures the pressure difference between the two upper locations.
  • the lower pressure sensing means is illustrated as having two lower flow pressure sensors 54, 56 located on lower pipe section 40.
  • the lower sensors 54, 56 are located at a lower distance 58 apart from each other. Lower distance 58 optionally ranges from about 10 feet to about 15 feet, and all distances within this range.
  • a single pressure differential sensor measures the pressure difference between the two lower locations.
  • the sensor means of Figure 2 selectively collects data from fluid flowing inside of lower pipe section 40 and upper pipe section 36
  • a pressure loss is measured over lower distance 58.
  • the pressure loss is determined by measuring a pressure with first lower sensor 56 and second lower sensor 54 and finding the difference between the two pressure readings.
  • a single pressure differential sensor can measure the pressure loss. Because of the relatively smaller internal diameter 42 of lower pipe section 40, gravitational losses and friction losses both significantly contribute to the pressure loss so that a precise estimate of the pressure loss requires that each of these types of losses be considered and neither can be ignored.
  • another pressure loss is measured over upper distance 52.
  • This pressure loss is determined by measuring a pressure with first upper sensor 50 and second upper sensor 48 and finding the difference between the two pressure readings.
  • a single pressure differential sensor can measure this pressure loss. Because of the relatively larger internal diameter 38 of upper pipe section 36 and lower flow velocity in this region, gravitational losses of the fluid between the first and second upper sensors 50, 48 are the primary losses contributing to this pressure loss. Accordingly, a precise value of pressure losses in the fluid flowing between the first and second upper sensors 50, 48 can be estimated by ignoring the frictional losses of the fluid flowing in this region.
  • pressure loss data collected by sensors 48, 50, 54, and 56 is transmitted to surface for evaluation.
  • the data is transmitted along power cable 26 ( Figure 1), which is in communication with metering assembly 34 through the ESP monitoring tool 22.
  • the flow rate of the fluids within well 10, the fluid density, and the water cut of such fluids is calculated with this pressure loss data using hydraulic equations as further described herein. More specifically, the first pressure loss is calculated with data from the first upper sensor 48 and second upper sensor 50 (or with a single pressure differential sensor), the first pressure loss is also used to calculate oil-water mixture density and the production water cut. The second pressure loss is calculated with data from first lower sensor 54 and second lower sensor 56 (or with a single pressure differential sensor) is used to calculate oil- water mixture flowrate.
  • the water cut is calculated by first finding the pressure gradient (psi/ft) over lower distance 58, i.e. DPi/Li.
  • the frictional loss is ignored when estimating this pressure gradient. Ignoring frictional loss results in a relationship for pressure gradient that is illustrated by Equation 1 below:
  • g is the gravitational acceleration
  • g c is a unit conversion factor
  • p m is the oil-water mixture density in lbm/ft 3 .
  • a pressure gradient (psi/ft) over upper distance 52 is estimated and expressed as DP 2 /L 2 .
  • the respective values of gravitational losses and frictional losses have magnitudes that are sufficiently high in relation to one another so that ignoring either the gravitational or frictional loss would produce inaccurate hydraulic calculations for the fluid flowing along upper distance 52.
  • Equation 2 Equation 2 below:
  • v m is the oil-water mixture velocity in ft/sec in upper distance 52
  • D 3 ⁇ 4 is the hydraulic diameter for the annulus in inches, calculated as internal diameter 13 minus external diameter 38, and /is the friction factor.
  • the friction factor is a function of Reynolds number and roughness, and can be determined from Moody's chart or empirical correlations. Equation 2 can be used iteratively to obtain the mixture velocity and the total oil-water flowrate. With water cut calculated previously, the individual oil and water rates can be easily calculated.
  • FIG. 3 shown in a side sectional view is an alternate example of the ESP 12A and metering assembly 34A of Figure 1.
  • an end of the tubing 14A distal from pump assembly 20A couples with a wellhead assembly 70A shown mounted on surface 71 A and above an opening of the well 10A.
  • fluid F flows into well 10A from perforations 72A that project radially outward from well 10A.
  • the perforations 72 A extend through casing 74A that lines the well 10A, and into formation 76A that surrounds well 10A.
  • the fluid F produced from the formation 76A is pressurized in pump assembly 20A after being drawn into pump assembly 20A via fluid inlets 24A.
  • the pressurized fluid is discharged into the tubing string 14A and routed to the wellhead assembly 70A for distribution to storage and/or process facilities (not shown).
  • the power cable 26A extending generally parallel with the tubing 14A between the motor lead 30A and the wellhead assembly 70A.
  • the power cable 26A is routed through a passage 78A, which has an end that intersects a surface of the wellhead assembly 70A that faces the well 10A.
  • An opposite end of the passage 78A intersects a surface of wellhead assembly 70A outside of the well 10A and above surface 71 A.
  • the power cable 26A connects to a power supply 80A shown on surface 71 A.
  • Examples of the power supply 80A include an electrical grid, a transformer, a generator, any other means of providing electricity, and combinations thereof. Electricity from the power supply 80A is selectively conducted via power cable 26A to ESP 12A for powering pump assembly 20A. Optionally, a variable frequency generator and controls (not shown) are included in the power supply 80A.
  • pressure transmitters 82Ai_ 4 are shown connected respectfully to pressure sensors 48A, 50A, 54A, 56A.
  • pressure transmitters 82i_ 4 send signals to a controller 84A shown on surface 71 A and outside of well 10A, where the signals communicated by pressure transmitters 82i_ 4 represent ambient conditions of fluid F in the well 10A that are sensed by pressure sensors 48A, 50A, 54A, 56A.
  • the controller 84 A includes an information handling system ("IHS"); embodiments exist where the IHS includes a processor, memory accessible by the processor, nonvolatile storage area accessible by the processor, and logics for performing each of the steps above described.
  • IHS information handling system
  • Controller 84A receives the signals and translates the signals into a form, such as data or information, that is recognizable by the controller 84A, and performs operations based on the recognized data/information.
  • the controller 84A recognizes the data/information as having a magnitude or value and calculates results based on the magnitude/value.
  • communication links connect to and provide communication between the pressure transmitters 82Ai_ 4 and the controller 84A, and which provide a way for the signals sent by the pressure transmitters to be delivered to the controller 84A.
  • the communication links 86Ai_ 4 are formed from a signal transmission medium, such as a conductive metal, composites, fiber optics, and combinations thereof.
  • the communication links 86Ai_ 4 include waves, such as radio waves, light waves, and other electromagnetic waves, sonic waves, acoustic waves, and combinations thereof.
  • communication links 86Ai_ 4 are illustrated as following a dedicated path separate from the motor lead 30A and power cable 26A, in one example communication links 86Ai_ 4 are included within the motor lead 30A and/or power cable 26A.
  • the signals communicated between sensors 48A, 50A, 54A, 56A, pressure transmitters 82Ai_ 4 , and controller 84A are transmitted via the motor lead 30A and/or power cable 26 A.
  • a passage 88A similar to passage 78A, is shown formed through wellhead assembly 70A, and which provides a pathway for the placement of communication links 86Ai_ 4 through the wellhead assembly 70A.
  • a packer 90A is also illustrated that is sealingly disposed in the annular space between pump assembly 20A and inner surface of casing 74A and which blocks the flow of fluid F past ESP 12A and forces the fluid F into inlets 24A so that the fluid can be pressurized for transport to the wellhead assembly 70A.

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geophysics (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

Cette invention concerne un appareil permettant de mesurer un fluide dans un puits sous-terrain (10), comprenant une pompe électrique immergée (12) présentant un moteur, une section joint et un système de pompe et un ensemble de mesure. L'ensemble de mesure comprend une section de tube supérieure (36) avec un diamètre externe, la section de tube supérieure (36) comprenant des moyens de détection de pression supérieurs, et une section de tube inférieure (40) avec un diamètre externe inférieur au diamètre externe de la section de tube supérieure (36), la section de tube inférieure (40) comprenant des moyens de détection de pression inférieurs. Un câble électrique (26) est en communication électronique avec la pompe électrique immergée (12) et avec l'ensemble de mesure (34).
PCT/US2017/060768 2016-11-11 2017-11-09 Compteur de débit de pompe électrique immergée WO2018089576A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP17804744.5A EP3538741A1 (fr) 2016-11-11 2017-11-09 Compteur de débit de pompe électrique immergée
CA3043857A CA3043857A1 (fr) 2016-11-11 2017-11-09 Compteur de debit de pompe electrique immergee

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US15/349,054 US10480312B2 (en) 2011-09-29 2016-11-11 Electrical submersible pump flow meter
US15/349,054 2016-11-11

Publications (1)

Publication Number Publication Date
WO2018089576A1 true WO2018089576A1 (fr) 2018-05-17

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CA (1) CA3043857A1 (fr)
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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000042391A1 (fr) * 1999-01-13 2000-07-20 Expro North Sea Limited Appareil perfectionne de surveillance de debit
GB2411188A (en) * 2004-02-23 2005-08-24 Baker Hughes Inc Retrievable downhole flow meter using differential pressure measured in a venturi
US20110083839A1 (en) * 2009-10-13 2011-04-14 Baker Hughes Incorporated Coaxial Electric Submersible Pump Flow Meter
US20130081460A1 (en) * 2011-09-29 2013-04-04 Saudi Arabian Oil Company Electrical Submersible Pump Flow Meter
US20150292317A1 (en) * 2014-04-15 2015-10-15 Baker Hughes Incorporated Fluid Velocity Flow Meter for a Wellbore

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000042391A1 (fr) * 1999-01-13 2000-07-20 Expro North Sea Limited Appareil perfectionne de surveillance de debit
GB2411188A (en) * 2004-02-23 2005-08-24 Baker Hughes Inc Retrievable downhole flow meter using differential pressure measured in a venturi
US20110083839A1 (en) * 2009-10-13 2011-04-14 Baker Hughes Incorporated Coaxial Electric Submersible Pump Flow Meter
US20130081460A1 (en) * 2011-09-29 2013-04-04 Saudi Arabian Oil Company Electrical Submersible Pump Flow Meter
US20150292317A1 (en) * 2014-04-15 2015-10-15 Baker Hughes Incorporated Fluid Velocity Flow Meter for a Wellbore

Also Published As

Publication number Publication date
CA3043857A1 (fr) 2018-05-17
EP3538741A1 (fr) 2019-09-18

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