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WO2015108668A1 - Système de surveillance de fluide de production comprenant un système de détection acoustique de fond de trou comportant un pulsateur de fond de trou - Google Patents

Système de surveillance de fluide de production comprenant un système de détection acoustique de fond de trou comportant un pulsateur de fond de trou Download PDF

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Publication number
WO2015108668A1
WO2015108668A1 PCT/US2014/071483 US2014071483W WO2015108668A1 WO 2015108668 A1 WO2015108668 A1 WO 2015108668A1 US 2014071483 W US2014071483 W US 2014071483W WO 2015108668 A1 WO2015108668 A1 WO 2015108668A1
Authority
WO
WIPO (PCT)
Prior art keywords
downhole
control input
control
pulsator device
pulsator
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/US2014/071483
Other languages
English (en)
Inventor
Erik N. LEE
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Baker Hughes Holdings LLC
Original Assignee
Baker Hughes Inc
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
Application filed by Baker Hughes Inc filed Critical Baker Hughes Inc
Publication of WO2015108668A1 publication Critical patent/WO2015108668A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • E21B47/12—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling
    • E21B47/14—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling using acoustic waves
    • E21B47/18—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling using acoustic waves through the well fluid, e.g. mud pressure pulse telemetry
    • 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
    • E21B47/12—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling
    • E21B47/14—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling using acoustic waves

Definitions

  • the present invention relates to the art of production fluid monitoring systems and, more particularly, to a production fluid monitoring system including a downhole acoustic sensing system having a downhole pulsator.
  • Acoustic devices are used to measure various parameters in a downhole environment. Often times, an acoustic device may be used to determine parameters of a downhole acoustic medium including solids and/or fluids proximate to a drill head. In such cases, the acoustic device may be mounted to the drill string. In many cases, the acoustic device takes the form of a piezo-electric transducer. Piezo-electric transducers may also be mounted to production tubing and operated to transmit and/or receive acoustic signals through the acoustic medium.
  • a downhole acoustic sensing system includes a pulsator device configured and disposed to be arranged in a downhole environment, and a control system operatively connected to the pulsator device.
  • the control system delivers at least one control input to the pulsator device to generate a sinusoidal acoustic signal.
  • a production fluid monitoring system includes a pulsator device configured and disposed to be arranged in a downhole environment and a control system operatively connected to the pulsator device.
  • the control system delivers at least one control input to the pulsator device to deliver a sinusoidal acoustic signal through downhole fluids.
  • a data acquisition system is configured and disposed to detect the sinusoidal acoustic signal passing through the downhole production fluids.
  • a method of monitoring downhole production fluids includes delivering a positive pressure pulse from a downhole pulsator to form a first portion of a downhole acoustic signal, delivering a negative pressure pulse downhole to form a second portion of the downhole acoustic signal, passing the acoustic signal through a production fluid, and sensing the acoustic signal to determine a quality of the production fluid.
  • FIG. 1 is a partial cross-sectional view of a downhole production tubing passing alongside a downhole acoustic device, in accordance with an exemplary embodiment
  • FIG. 2 is a schematic view of a downhole production fluid acoustic sensing system including the downhole acoustic device of FIG. 1;
  • FIG. 3 is a view of the downhole acoustic device of FIG. 1 delivering a negative pressure pulse
  • FIG. 4 is a view of the downhole acoustic device of FIG. 1 delivering a positive pressure pulse
  • FIG. 5 is a graphical representation of an acoustic signal produced by the downhole acoustic device, in accordance with an exemplary embodiment.
  • Exploration companies routinely drill wells in a medium, indicated at 2 in FIG. 1 , in search of natural resources such as natural gas and/or oil.
  • the wells are formed by drilling a bore, indicted generally at 4, into medium 2. Bore 4 extends to a zone or region (not shown) in which a natural resource resides. After forming bore 4, production tubing 6 is inserted downhole into the bore 4.
  • downhole refers to a zone within medium 2 in which bore 4 is formed. Bore 4 may begin at an exposed earthen or sand surface, or under water.
  • uphole refers to a zone or region outside of medium 2.
  • a production fluid monitoring system is employed to monitor production fluids passing through production tubing 6.
  • Production fluid monitoring system 14 includes a downhole acoustic sensing system 20 and a data acquisition system 24.
  • Downhole acoustic sensing system 20 includes a pulsator device 30 which, as will be discussed more fully below, delivers an acoustic signal into production fluids passing through production tubing 6.
  • Pulsator device 30 may include a piston 32 shiftably mounted in a cylinder 34.
  • pulsator device 30 may take on a variety of forms including diaphragms, pumps and the like, capable of delivering a pressure pulse into production fluids passing through production tubing 6.
  • cylinder 34 extends from a first end 36 exposed to the production fluids to a second, closed end 38 defining a volume 40.
  • Piston 30 includes a first piston element 43 exposed at first end 36 and a second piston element 45 spaced from first piston element 43 by a support rod 47. Second piston element 45 separates volume 40 into a first portion 54 and a second portion 56.
  • pulsator device 30 is operatively connected to a control system 70.
  • Control system 70 is connected to a valve 74 which, in turn, may be fluidically coupled to a source of fluid 78 and pulsator device 30.
  • Valve 74 may take the form of a ball valve or other form of fast switching valve.
  • valve 74 is fluidically connected to cylinder 34 through a first control input 84 and a second control input 86.
  • First control input 84 takes the form of a first hydraulic line 90 and second control input 86 takes the form of a second hydraulic line 92.
  • Control system 70 operates valve 74 to alternatingly deliver control signals to pulsator device 30 causing an acoustic signal to pass into the production fluids.
  • the control signals may take the form of pulses of a fluid passing through first and second hydraulic lines 90 and 92.
  • the fluid may be a non-compressible fluid or a compressible fluid.
  • control system 70 operates valve 74 to delver a pulse of fluid through first hydraulic line 90 causing piston 32 to move in a first direction towards second end 38 of cylinder 34 creating a negative pressure pulse 96 (FIG. 5) into the production fluid, as shown in FIG. 3.
  • Control system 70 then operates valve 74 to deliver another pulse of fluid into second hydraulic line 92 causing piston 32 to move in a second direction away from second end 38 of cylinder 34 creating a positive pressure pulse 98 (FIG. 5) into the production fluid, as shown in FIG. 4.
  • Control system 70 alternates between sending pulses of fluid to first and second hydraulic lines 90 and 92 creating a sinusoidal acoustic signal 100, as shown in FIG. 5, that is delivered into the production fluid.
  • the sinusoidal signal may represent a summation of sinusoids.
  • data acquisition system 24 includes a data collection and analysis device 104 operatively connected to a plurality of downhole sensors 108.
  • Downhole sensors 108 may take the form of fiber optic sensors 110 that are arranged at various points along production tubing 6.
  • Acoustic signal(s) 100 passes in an uphole direction and a downhole direction through the production fluids.
  • Data acquisition system 24 collects and analyzes acoustic signal(s) 100 at various points along production tubing 6 to monitor the production fluids.
  • the exemplary embodiments describe a system for delivering pressure pulses into production fluids passing through production tubing in a resource collection system.
  • the pressure pulses form an acoustic source that may be monitored to determine various attributes of the production fluid.
  • the timing, duration, period and frequency of the pressure pulses may be varied depending upon desired sensing parameters. For example, a low frequency acoustic signal may be desirable when sensing deep downhole.
  • a low frequency acoustic signal may be desirable when sensing deep downhole.
  • the present invention may employ a single control signal.
  • a second control may be provided by a spring that is compressed by the piston in response to the single control signal.
  • other systems including electric and magnetic may be used to drive the piston.
  • control system may be provided uphole to provide technicians with greater control of the acoustic signal.
  • the pulsator device of the present invention may be operated only during select periods. Periodic, as opposed to continuous operation, may extend an overall service life of the downhole acoustic sensing system.
  • maintenance may be performed to further extend service life.
  • both the valve and the control system may be arranged downhole.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Acoustics & Sound (AREA)
  • Remote Sensing (AREA)
  • Geophysics (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)

Abstract

Système de détection acoustique de fond de trou comprenant un dispositif pulsateur conçu et disposé de manière à être agencé dans un environnement de fond de trou, et un système de commande connecté de manière fonctionnelle au dispositif pulsateur. Le système de commande fournit au moins un signal d'entrée de commande au dispositif pulsateur pour générer un signal acoustique sinusoïdal.
PCT/US2014/071483 2014-01-16 2014-12-19 Système de surveillance de fluide de production comprenant un système de détection acoustique de fond de trou comportant un pulsateur de fond de trou Ceased WO2015108668A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US14/156,645 2014-01-16
US14/156,645 US20150198034A1 (en) 2014-01-16 2014-01-16 Production fluid monitoring system including a downhole acousting sensing system having a downhole pulsator

Publications (1)

Publication Number Publication Date
WO2015108668A1 true WO2015108668A1 (fr) 2015-07-23

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Family Applications (1)

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PCT/US2014/071483 Ceased WO2015108668A1 (fr) 2014-01-16 2014-12-19 Système de surveillance de fluide de production comprenant un système de détection acoustique de fond de trou comportant un pulsateur de fond de trou

Country Status (2)

Country Link
US (1) US20150198034A1 (fr)
WO (1) WO2015108668A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10392925B2 (en) 2016-10-13 2019-08-27 Halliburton Energy Services, Inc. Systems and methods to utilize a sensor to provide spatial resolution in downhole leak detection
US10920582B2 (en) 2017-05-25 2021-02-16 Halliburton Energy Services, Inc. Systems and methods to use triangulation through one sensor beamforming in downhole leak detection
US10983238B2 (en) 2016-09-26 2021-04-20 Halliburton Energy Services, Inc. Wellbore sand detection using passive acoustic array
US11215724B2 (en) 2018-06-29 2022-01-04 Halliburton Energy Services, Inc. Systems and methods to utilize a sensor to provide spatial resolution in downhole leak detection
US11655707B2 (en) 2017-12-29 2023-05-23 Halliburton Energy Services, Inc. Systems and methods to utilize sensors to provide spatial resolution in downhole leak detection

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5115880A (en) * 1989-05-08 1992-05-26 Halliburton Geophysical Services Piezoelectric seismic vibrator with hydraulic amplifier
US5281100A (en) * 1992-04-13 1994-01-25 A.M.C. Technology, Inc. Well pump control system
US20040026076A1 (en) * 1998-06-15 2004-02-12 Schlumberger Technology Corporation Method and system of fluid analysis and control in hydrocarbon well
WO2005024177A1 (fr) * 2003-09-05 2005-03-17 Schlumberger Holdings Limited Generation de puissance en fond de puits, appareil et methode de communication associes
US20080314137A1 (en) * 2002-05-17 2008-12-25 Halliburton Energy Services, Inc Methods and apparatus for measuring formation properties

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3691516A (en) * 1969-11-21 1972-09-12 Control Data Corp Acoustic pulse generator utilizing a mechanism for changing the natural frequency of oscillation

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5115880A (en) * 1989-05-08 1992-05-26 Halliburton Geophysical Services Piezoelectric seismic vibrator with hydraulic amplifier
US5281100A (en) * 1992-04-13 1994-01-25 A.M.C. Technology, Inc. Well pump control system
US20040026076A1 (en) * 1998-06-15 2004-02-12 Schlumberger Technology Corporation Method and system of fluid analysis and control in hydrocarbon well
US20080314137A1 (en) * 2002-05-17 2008-12-25 Halliburton Energy Services, Inc Methods and apparatus for measuring formation properties
WO2005024177A1 (fr) * 2003-09-05 2005-03-17 Schlumberger Holdings Limited Generation de puissance en fond de puits, appareil et methode de communication associes

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10983238B2 (en) 2016-09-26 2021-04-20 Halliburton Energy Services, Inc. Wellbore sand detection using passive acoustic array
US10392925B2 (en) 2016-10-13 2019-08-27 Halliburton Energy Services, Inc. Systems and methods to utilize a sensor to provide spatial resolution in downhole leak detection
US10920582B2 (en) 2017-05-25 2021-02-16 Halliburton Energy Services, Inc. Systems and methods to use triangulation through one sensor beamforming in downhole leak detection
US11655707B2 (en) 2017-12-29 2023-05-23 Halliburton Energy Services, Inc. Systems and methods to utilize sensors to provide spatial resolution in downhole leak detection
US11215724B2 (en) 2018-06-29 2022-01-04 Halliburton Energy Services, Inc. Systems and methods to utilize a sensor to provide spatial resolution in downhole leak detection

Also Published As

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