EP3194191B1 - Aufhängung von sensorkomponenten in anwendungen mit hoher stossbelastung - Google Patents

Aufhängung von sensorkomponenten in anwendungen mit hoher stossbelastung Download PDF

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Publication number
EP3194191B1
EP3194191B1 EP14902202.2A EP14902202A EP3194191B1 EP 3194191 B1 EP3194191 B1 EP 3194191B1 EP 14902202 A EP14902202 A EP 14902202A EP 3194191 B1 EP3194191 B1 EP 3194191B1
Authority
EP
European Patent Office
Prior art keywords
radial
suspension assembly
outer housing
springs
component
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.)
Active
Application number
EP14902202.2A
Other languages
English (en)
French (fr)
Other versions
EP3194191A4 (de
EP3194191A1 (de
Inventor
Jiyuan Liu
Helene Clair Climent
Adam Paul Graebner
Calvin Lawrence Banks
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 ESP Inc
Original Assignee
GE Oil and Gas ESP 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 GE Oil and Gas ESP Inc filed Critical GE Oil and Gas ESP Inc
Publication of EP3194191A1 publication Critical patent/EP3194191A1/de
Publication of EP3194191A4 publication Critical patent/EP3194191A4/de
Application granted granted Critical
Publication of EP3194191B1 publication Critical patent/EP3194191B1/de
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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
    • E21B47/01—Devices for supporting measuring instruments on drill bits, pipes, rods or wirelines; Protecting measuring instruments in boreholes against heat, shock, pressure or the like
    • E21B47/017—Protecting measuring instruments

Definitions

  • This application relates generally to sensors and sensitive instruments and more particularly, but not by way of limitation, to a suspension system for supporting sensor components that resists shock and vibration.
  • a device for supporting a power cable is known.
  • the power cable is inserted into a length of a tubing disposed in a wellbore.
  • the device comprises a suspension support mounted onto the cable in frictional sliding contact with a tubing inner surface.
  • the sensing apparatus includes a central and a sleeve electrode, and an insulator means.
  • the insulator means and the central electrode are attached firmly and rigidly to each other and form a sub-assembly.
  • the sleeve electrode is mountable upon, and separable from, the sub-assembly.
  • the sub-assembly is designed such that the central electrode and the insulator means remain attached rigidly together even when the sleeve electrode is separated from the sub-assembly.
  • Sensors are often susceptible to damage or performance degradation when exposed to mechanical shock and vibration.
  • sensor components In downhole applications, sensor components must be made to withstand inhospitable conditions that include elevated temperatures, pressures and mechanical shock. Fragile sensor components must be suspended in a manner that will protect them from damage or performance failures when exposed to shock or vibration.
  • a suspension assembly for securing a sensitive component within a shock-resistant housing as set forth in independent claim 1.
  • Preferred embodiments of the present invention include a suspension assembly for supporting a shock-sensitive component includes an outer housing and one or more radial canted coil springs that surround and support the shock-sensitive component.
  • Each of the plurality of radial canted coil springs is preferably a toroid.
  • the exterior of each of the plurality of radial canted coil springs is in contact with the outer housing and the interior of each of the plurality of canted radial canted coil springs is in contact with the exterior of the shock-sensitive component.
  • the radial canted coil springs dampen mechanical shock and vibration applied in a lateral direction.
  • the suspension assembly optionally includes an axial canted coil spring that dampens mechanical shock in the axial direction.
  • the outer housing may include grooves that locate the radial canted coil springs within the suspension assembly.
  • FIG. 1 shows an elevational view of a downhole instrument 100 attached to a deployment cable 102.
  • the downhole instrument 100 and deployment cable 102 are disposed in a wellbore 104, which is drilled for the production of a fluid such as water or petroleum.
  • a fluid such as water or petroleum.
  • the term "petroleum” refers broadly to all mineral hydrocarbons, such as crude oil, gas and combinations of oil and gas.
  • the downhole instrument 100 includes a sensor module 106.
  • the sensor module 106 may include sensors, analyzers, control systems, power systems, data processors and communication systems, all of which are well-known in the art.
  • the deployment cable 102 connects the downhole instrument to surface-based facilities and provides power and communication to and from the downhole instrument 100.
  • the downhole instrument 100 may alternatively be configured as part of a larger downhole assembly.
  • the downhole instrument 100 is attached to a submersible pumping system or as part of a measurement while drilling system. If the downhole instrument 100 is incorporated within a measurement while drilling system, the instrument 100 may be powered by one or more batteries rather than through an umbilical extending to surface-based power supplies.
  • downhole instrument 100 may also be implemented in horizontal and non-vertical wellbores. Further illustrative examples may also find utility in surface pumping applications and in other applications in which a sensor or other sensitive component is exposed to the potential of shock and vibration.
  • FIGS. 2 and 3 shown therein are elevational and top cross-sectional views, respectively, of a suspension assembly 108 constructed in accordance with a preferred embodiment.
  • the suspension assembly 108 is incorporated within the sensor module 106.
  • the suspension assembly 108 preferably includes an outer housing 110, one or more radial coiled springs 112, one or more axial coiled springs 114, a sealed cap 116, a locking ring 118 and a shock and vibration sensitive component 120.
  • the space between the interior of the outer housing 110 and the exterior of the component 120 defines an annulus 122.
  • the outer housing 110 preferably provides an access port 124 for making connections to the component 120.
  • the component 120 is preferably selected from the group of sensitive components that includes scintillators, gamma ray detectors, x-ray detectors, accelerometers, photomultipliers, and other shock-sensitive components. It will be appreciated, however, that the component 120 could alternatively be selected from other mechanical, electrical or electro-mechanical devices and that the component 120 and suspension assembly 108 could be positioned outside the sensor module 106.
  • the radial coiled springs 112 are sized and configured to occupy the annular space between the interior of the outer housing 110 and the exterior of the component 120.
  • the axial coiled springs 114 are sized and configured to occupy the space between the end of the component 120 and the sealed cap 116.
  • the radial and axial coiled springs 112, 114 are preferably toroidal and canted coiled springs that are constructed from a resilient metal.
  • the canted coiled springs preferably exhibit a resilient and substantially uniform force that increases less than conventional springs during deflection.
  • each of the radial canted coil springs 112 is in contact with the outer housing 110 and the interior of each of the plurality of canted radial canted coil springs 112 is in contact with the exterior of the component 120.
  • the suspension assembly 108 optionally includes a force distribution plate 130 positioned between the component 120 and the axial spring 114. The force distribution plate 130 more evenly distributes the application of forces between the axial spring 114 and the component 120.
  • FIG. 4 shown therein is a front perspective view of a particularly preferred embodiment of the radial and axial coiled springs 112, 114.
  • the radial and axial coiled springs 112, 114 include a polymer envelope 126 that entirely or partially encompasses the radial and axial coiled springs 112, 114.
  • the envelope is constructed from polytetrafluoroethylene (PTFE), which is available from a number of commercial sources.
  • PTFE polytetrafluoroethylene
  • the outer housing 110 preferably includes one or more grooves 128 at selected locations along the interior of the outer housing 110.
  • the machined grooves 128 are preferably machined in the outer housing 110 and sized and configured to accept the one or more radial coiled springs 112.
  • the suspension assembly 108 includes three radial coiled springs 112, each disposed in a separate groove 128. The combined use of the radial coiled springs 112 and the grooves 128 facilitates the manufacturing process because the radial coiled springs 112 can more easily be located in the appropriate place within the suspension assembly 108.
  • the radial coiled springs 112 reduce mechanical shock applied from a lateral direction by absorbing a portion of the kinetic energy imparted on the suspension assembly 108.
  • the axial coiled spring 114 absorbs a portion of the kinetic energy to reduce the shock applied to the component 120.
  • the outer housing 110, the radial coiled springs 112 and the axial coiled springs 114 are preferably sized to permit the component 120 to deflect up to a predetermined threshold amount. Together, the outer housing 110, radial coiled springs 112 and axial coiled springs 114 provide a durable and resilient suspension system that is cost-effective and easy to manufacture.

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  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Geophysics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Vibration Prevention Devices (AREA)
  • Springs (AREA)

Claims (12)

  1. Aufhängungsanordnung (108) zum Sichern einer empfindlichen Komponente (120) innerhalb eines stoßfesten Gehäuses, wobei die Aufhängungsanordnung (108) Folgendes umfasst:
    ein äußeres Gehäuse (110), das die Komponente (120) enthält, wobei das äußere Gehäuse (110) eine innere Oberfläche aufweist;
    einen Ringraum (122) zwischen der inneren Oberfläche des äußeren Gehäuses (110) und der empfindlichen Komponente (120); und
    eine oder mehrere radiale Schraubenfedern (112), wobei jede der einen oder mehreren radialen Schraubenfedern (112) eine toroidale Schraubenfeder umfasst, die innerhalb des Ringraums (122) zwischen dem äußeren Gehäuse (110) und der Komponente (120) angeordnet ist,
    dadurch gekennzeichnet, dass die Aufhängungsanordnung (108) ferner Folgendes umfasst:
    eine Kappe (116), die ein erstes Ende des äußeren Gehäuses (110) umschließt; und
    eine axiale Schraubenfeder (114), wobei die axiale Schraubenfeder (114) zwischen der Kappe (116) und der Komponente (120) eingeschlossen ist.
  2. Aufhängungsanordnung (108) nach Anspruch 1, wobei das äußere Gehäuse (110) eine oder mehrere Nuten (128) entlang der innere Oberfläche umfasst und wobei jede der einen oder mehreren radialen Schraubenfedern (112) in einer entsprechenden der einen oder mehreren Nuten (128) befestigt ist.
  3. Aufhängungsanordnung (108) nach Anspruch 2, die ferner drei radiale Schraubenfedern (112) umfasst, die in dem Ringraum (122) zwischen dem äußeren Gehäuse (110) und der Komponente (120) angeordnet sind, wobei jede der drei radialen Schraubenfedern (112) eine toroidale und geneigte Schraubenfeder ist.
  4. Aufhängungsanordnung (108) nach Anspruch 3, wobei jede der drei radialen Schraubenfedern (112) ferner eine Polymerhülle (126) umfasst, welche die radiale Schraubenfeder (112) mindestens teilweise umgibt.
  5. Aufhängungsanordnung (108) nach Anspruch 4, wobei die Polymerhülle (126) eine Polytetrafluorethylenhülle umfasst.
  6. Aufhängungsanordnung (108) nach Anspruch 1, wobei die axiale Schraubenfeder (114) eine toroidale und geneigte Schraubenfeder umfasst.
  7. Aufhängungsanordnung (108) nach Anspruch 6, wobei die axiale Schraubenfeder (114) ferner eine Hülle umfasst.
  8. Aufhängungsanordnung (108) nach Anspruch 7, wobei die axiale Schraubenfeder (114) ferner eine Polymerhülle (126) umfasst.
  9. Aufhängungsanordnung (108) nach Anspruch 1, umfassend:
    eine Vielzahl von radial geneigten Schraubenfedern (112), wobei jede der Vielzahl von radial geneigten Schraubenfedern (112) ein Toroid ist und wobei ein Äußeres von jeder der Vielzahl von radial geneigten Schraubenfedern (112) in Kontakt mit dem äußeren Gehäuse (110) ist und ein Inneres von jeder der Vielzahl von radial geneigten Schraubenfedern (112) in Kontakt mit einem Äußeren der empfindlichen Komponente (120) ist.
  10. Aufhängungsanordnung (108) nach Anspruch 9, wobei jede der mehreren radial geneigten Schraubenfedern (112) ferner eine Polymerhülle (126) einschließt.
  11. Aufhängungsanordnung (108) nach Anspruch 10, wobei das äußere Gehäuse (110) ferner eine Vielzahl von Nuten (128) umfasst, die sich entlang der inneren Oberfläche erstrecken, und wobei jede der Vielzahl von radial geneigten Schraubenfedern in einer entsprechenden der Vielzahl von Nuten (128) gesichert ist.
  12. Sensormodul (106), das die Aufhängungsanordnung (108) nach einem der vorstehenden Ansprüche aufnimmt.
EP14902202.2A 2014-09-17 2014-09-17 Aufhängung von sensorkomponenten in anwendungen mit hoher stossbelastung Active EP3194191B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US2014/056176 WO2016043741A1 (en) 2014-09-17 2014-09-17 Suspension of sensor components in high shock applications

Publications (3)

Publication Number Publication Date
EP3194191A1 EP3194191A1 (de) 2017-07-26
EP3194191A4 EP3194191A4 (de) 2018-10-10
EP3194191B1 true EP3194191B1 (de) 2020-06-17

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ID=55533625

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Application Number Title Priority Date Filing Date
EP14902202.2A Active EP3194191B1 (de) 2014-09-17 2014-09-17 Aufhängung von sensorkomponenten in anwendungen mit hoher stossbelastung

Country Status (4)

Country Link
US (1) US20170248005A1 (de)
EP (1) EP3194191B1 (de)
CA (1) CA2960784A1 (de)
WO (1) WO2016043741A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10519762B2 (en) * 2017-06-20 2019-12-31 Baker Hughes, A Ge Company, Llc Lateral support for downhole electronics

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3435919A (en) * 1967-04-03 1969-04-01 Mechanics Research Inc Energy absorbing arrangement
GB8926223D0 (en) 1989-11-20 1990-01-10 Solinst Canada Ltd Water level probe
US6538576B1 (en) * 1999-04-23 2003-03-25 Halliburton Energy Services, Inc. Self-contained downhole sensor and method of placing and interrogating same
US7849928B2 (en) * 2008-06-13 2010-12-14 Baker Hughes Incorporated System and method for supporting power cable in downhole tubing
US8878126B2 (en) * 2009-07-01 2014-11-04 Ge Oil & Gas Logging Services, Inc. Method for inspecting a subterranean tubular
US9004156B2 (en) * 2011-03-22 2015-04-14 Schlumberger Technology Corporation Flow activated sensor assembly
US9371714B2 (en) * 2011-07-20 2016-06-21 Tubel Energy LLC Downhole smart control system
US10523199B2 (en) * 2011-12-20 2019-12-31 Robert Hooper Housings for inductive proximity sensors
US9506356B2 (en) * 2013-03-15 2016-11-29 Rolls-Royce North American Technologies, Inc. Composite retention feature

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
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None *

Also Published As

Publication number Publication date
EP3194191A4 (de) 2018-10-10
WO2016043741A1 (en) 2016-03-24
CA2960784A1 (en) 2016-03-24
US20170248005A1 (en) 2017-08-31
EP3194191A1 (de) 2017-07-26

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