WO2007109494A2 - A downhole optic fiber wet connect system and method - Google Patents
A downhole optic fiber wet connect system and method Download PDFInfo
- Publication number
- WO2007109494A2 WO2007109494A2 PCT/US2007/064045 US2007064045W WO2007109494A2 WO 2007109494 A2 WO2007109494 A2 WO 2007109494A2 US 2007064045 W US2007064045 W US 2007064045W WO 2007109494 A2 WO2007109494 A2 WO 2007109494A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- portions
- connector body
- optic fiber
- downhole
- wet
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/3873—Connectors using guide surfaces for aligning ferrule ends, e.g. tubes, sleeves, V-grooves, rods, pins, balls
- G02B6/3886—Magnetic means to align ferrule ends
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/389—Dismountable connectors, i.e. comprising plugs characterised by the method of fastening connecting plugs and sockets, e.g. screw- or nut-lock, snap-in, bayonet type
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/533—Bases, cases made for use in extreme conditions, e.g. high temperature, radiation, vibration, corrosive environment, pressure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/6205—Two-part coupling devices held in engagement by a magnet
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/26—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for engaging or disengaging the two parts of a coupling device
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/381—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres
- G02B6/3818—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres of a low-reflection-loss type
- G02B6/382—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres of a low-reflection-loss type with index-matching medium between light guides
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/3833—Details of mounting fibres in ferrules; Assembly methods; Manufacture
- G02B6/3847—Details of mounting fibres in ferrules; Assembly methods; Manufacture with means preventing fibre end damage, e.g. recessed fibre surfaces
- G02B6/3849—Details of mounting fibres in ferrules; Assembly methods; Manufacture with means preventing fibre end damage, e.g. recessed fibre surfaces using mechanical protective elements, e.g. caps, hoods, sealing membranes
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/3833—Details of mounting fibres in ferrules; Assembly methods; Manufacture
- G02B6/3866—Devices, tools or methods for cleaning connectors
Definitions
- a downhole optic fiber wet-connect system includes first and second matable portions of a tool body; first and second matable portions of a connector body. Further included is a first magnet associated with one of the first and second matable portions and a second magnet associated with the other of the first and second matable portions, the first and second magnets being oriented to attract one another; a first opening in one of the first and second matable portions of the tool body; a second opening in the other of the first and second matable portions of the
- the method includes supporting one of a first and second portion of a connector body with a flex-support within an opening of a first portion of a tool body, the opening loosely receiving the connector body portion; moving the other of the first and second portions of the connector, the other portion being located within a second portion of the tool body, into mating contact with the one of the first and second portions; and buckling the flex-support to decouple a mechanical load on the connector from the mating of the first and second portions of the tool body.
- FIG. 1 is a perspective illustration of male and female portions of a connector body in an exploded relationship to one another;
- FIG. 2 illustrates in partial phantom the components of Fig. 1 in a mated condition
- FIG. 3 illustrates an alternate embodiment of a connector body wherein a clean fluid and containment member are illustrated
- FIG. 4 is a schematic illustration of a portion of the tool body having the male portion of the connector body disposed therein and supported by a flex-support;
- FIG. 5 is a schematic illustration of a portion of the tool body having the female portion of the connector body disposed therein and supported by a flex-support;
- FIG. 6 is a schematic illustration of the illustrations of figures 4 and 5 in a connected configuration.
- a connector body 10 is illustrated having a male portion 12 and a female portion 14.
- the portions are illustrated as cylindrical bodies but it will be understood that any geometrical shape is acceptable.
- Male portion 12 includes a projection 16 that is receivable in relatively tight communication with a recess 18 in female portion 14.
- a depth dimension of recess 18 is to be selected to simply ensure a reliable optical interface.
- Male projection 16 includes an optical fiber face 20 which is intended to rest in close proximity, or in one embodiment in physical contact, to a female optical fiber face 22 when the first portion 12 and second portion 14, are mated, thus a length of the male projection is to be appropriate to the depth dimension of the recess 18.
- Each of the lengths noted are measured from a shoulder 27 and a shoulder 29 of male portion 12 and female portion 14, respectively.
- projection 16 includes a beveled edge 24 which may communicate with a frustoconical surface 26 in female portion 14 to urge at least one of the male portion 12 and the female portion 14 into a better aligned position with respect to the other of the male portion 12 and female portion 14. It is also quite possible that both male portion 12 and female portion 14 will move relative to one another upon intersection of beveled edge 24 and frustoconical surface 26.
- the phrase "may communicate” has been used here because it is also serendipitously possible that the male and female portions will align without contact between the beveled edge 24 and surface 26.
- a magnetic interaction is utilized to assist the mating process.
- a magnet 28 on the male portion 12 and a magnet 30 on the female portion 14, are arranged so as to be attracted to one another.
- the magnets 28 and 30 will assist in alignment and additionally function to pull the male portion 12 and the female portion 14 of the connector body 10 into fully mated engagement.
- Magnets 28 and 30 may be of
- annular form as illustrated or may be in other geometric shapes.
- Further magnets 28 and 30 may be substituted for by a plurality of magnets in the stead of each or both of them. Once the magnets 28 and 30 have come into proximity with one another during mating of the connector body 10, the attractive force tends to hold portions 12 and 14 of the connector body 10 together.
- an optical fiber segment 32 is illustrated extending from the male portion 12 and an optical fiber segment 34 is illustrated extending from the female portion 14.
- flex-support 36 and flex-support 38 Disposed at optical fiber segments 32 and 34 are flex-supports.
- the flex-supports have for their purpose to support, respectively, the male portion 12 and female portion 14 of connector body 10 in a desired location within a tool body discussed hereinunder with reference to Figs. 4-6. It is noted that drawing figures 4-6 depict the configuration disclosed herein within otherwise commercially available tools from Baker Oil Tools under product number H488-75 and H444-75, referring to a packer and reconnect anchor respectively. The components of these tools are not germane to the invention and are therefore not described in detail).
- the flex-support 38 will have sufficient stiffness to hold female portion 14 of the connector body in a relatively stationary position providing no significant additional load is placed upon female portion 14 of connector body 10.
- the stiffness of support 38 is selected to be insufficient to maintain a position of female portion 14 when any significant load is placed thereon.
- flex-support 38 will buckle in one or more of a number of ways calculated to be such that the optic fiber 34 therein is not damaged.
- Such calculated ways include bending in a helical pattern, in a gentle bow pattern, and other patterns which facilitate smooth large radius bends in the optic fiber rather than sharp bends thereof, which tend to degrade performance of the fiber.
- flex-support 36 or 38 also be such that they will hold the connector portions in place when there is no outside force acting thereon and yet the connector portions can be moved about during alignment of portion 12 and portion 14 to effectively yield their positions to external forces. Flex- supports 36 and 38 therefore secure the triple purpose of supporting the connector portion
- the connector body be significantly more robust to support those loads thereby rendering such connector significantly more expensive to produce and subject to a shorter life expectancy as wellbore conditions such as jars and vibrations would be strongly coupled to the connector if not for the configuration disclosed herein.
- the connector body portions are mountable in loosely receiving openings 40 and 42, respectively in the tool body portions 44 and 46, respectively (see Figs. 4-6). This allows for the connector body portion 14 or 12 to have a greater degree of freedom than it would otherwise have within the tool body portion 44 if the receiving opening 40 were closely tolerant to the connector body. Multiple degrees of freedom are provided by the flex-support 38 and/or 36.
- a clean fluid 50 is contained within recess 18 by a containment member 52.
- the containment member is openable upon approach of male projection 16 or indeed by
Abstract
Description
Claims
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0817348A GB2449603B (en) | 2006-03-20 | 2007-03-15 | A downhole optic fiber wet connect system and method |
CA2645602A CA2645602C (en) | 2006-03-20 | 2007-03-15 | A downhole optic fiber wet connect system and method |
EA200801915A EA012003B1 (en) | 2006-03-20 | 2007-03-15 | A downhole optic fiber wet connect system and method |
BRPI0709045-5A BRPI0709045B1 (en) | 2006-03-20 | 2007-03-15 | fiber optic wet connection system in a wellbore |
AU2007227062A AU2007227062B2 (en) | 2006-03-20 | 2007-03-15 | A downhole optic fiber wet connect system and method |
CN2007800145348A CN101427169B (en) | 2006-03-20 | 2007-03-15 | A downhole optic fiber wet connect system and method |
NO20084040A NO340665B1 (en) | 2006-03-20 | 2008-09-23 | A method and system for downhole wet connection of an optical fiber |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US78388406P | 2006-03-20 | 2006-03-20 | |
US60/783,884 | 2006-03-20 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2007109494A2 true WO2007109494A2 (en) | 2007-09-27 |
WO2007109494A3 WO2007109494A3 (en) | 2008-01-17 |
Family
ID=38328914
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2007/064045 WO2007109494A2 (en) | 2006-03-20 | 2007-03-15 | A downhole optic fiber wet connect system and method |
Country Status (9)
Country | Link |
---|---|
US (3) | US7509000B2 (en) |
CN (1) | CN101427169B (en) |
AU (1) | AU2007227062B2 (en) |
BR (1) | BRPI0709045B1 (en) |
CA (2) | CA2768036C (en) |
EA (1) | EA012003B1 (en) |
GB (2) | GB2460971B (en) |
NO (1) | NO340665B1 (en) |
WO (1) | WO2007109494A2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7628543B2 (en) | 2006-03-20 | 2009-12-08 | Baker Hughes Incorporated | Downhole optic fiber wet connect system and method |
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US8326103B2 (en) * | 2008-04-04 | 2012-12-04 | Baker Hughes Incorporated | Cable and method |
US8210252B2 (en) * | 2009-08-19 | 2012-07-03 | Baker Hughes Incorporated | Fiber optic gravel distribution position sensor system |
US8205669B2 (en) * | 2009-08-24 | 2012-06-26 | Baker Hughes Incorporated | Fiber optic inner string position sensor system |
FR2967498B1 (en) | 2010-11-16 | 2015-01-02 | Centre Nat Rech Scient | USE OF QUINOLINONE DERIVATIVES AS A RESEARCH TOOL |
US8459700B2 (en) | 2010-12-21 | 2013-06-11 | Baker Hughes Incorporated | Wet disconnect system with post disconnection pressure integrity |
US8638444B2 (en) | 2011-01-11 | 2014-01-28 | Baker Hughes Incorporated | Sensor array configuration for swept-wavelength interferometric-based sensing systems |
US8592747B2 (en) | 2011-01-19 | 2013-11-26 | Baker Hughes Incorporated | Programmable filters for improving data fidelity in swept-wavelength interferometry-based systems |
FR2980477B1 (en) | 2011-09-23 | 2013-10-18 | Centre Nat Rech Scient | NOVEL MODULATING COMPOUNDS OF THE HEDGEHOG PROTEIN SIGNALING PATH, THEIR MARKED FORMS, AND APPLICATIONS |
US9028153B2 (en) | 2011-10-27 | 2015-05-12 | Tyco Electronics Corporation | Optical fiber having core-to-core alignment |
CA2804281C (en) * | 2012-01-31 | 2018-04-24 | Ron Craik | System and method for providing power, two-way communication, and operation of downhole tools in a horizontal wellbore |
US9032130B2 (en) | 2012-09-12 | 2015-05-12 | Blackberry Limited | Dock for data transfer to and from portable electronic device |
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US10000995B2 (en) | 2013-11-13 | 2018-06-19 | Baker Hughes, A Ge Company, Llc | Completion systems including an expansion joint and a wet connect |
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US9816856B2 (en) | 2015-12-17 | 2017-11-14 | Harris Corporation | Magnetically coupled optical connector assembly and related methods |
US10267097B2 (en) | 2016-11-09 | 2019-04-23 | Baker Hughes, A Ge Company, Llc | Pressure compensating connector system, downhole assembly, and method |
JP6154973B1 (en) | 2017-02-24 | 2017-06-28 | 株式会社フジクラ | Coating removal device |
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JP7279789B2 (en) * | 2019-06-25 | 2023-05-23 | 日本電信電話株式会社 | optical connection structure |
US11287579B2 (en) | 2020-04-06 | 2022-03-29 | Lockheed Martin Corporation | Non-rigid blind mate connector system |
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-
2007
- 2007-03-13 US US11/717,449 patent/US7509000B2/en active Active
- 2007-03-15 CN CN2007800145348A patent/CN101427169B/en active Active
- 2007-03-15 BR BRPI0709045-5A patent/BRPI0709045B1/en active IP Right Grant
- 2007-03-15 WO PCT/US2007/064045 patent/WO2007109494A2/en active Application Filing
- 2007-03-15 CA CA2768036A patent/CA2768036C/en active Active
- 2007-03-15 GB GB0915370A patent/GB2460971B/en active Active
- 2007-03-15 EA EA200801915A patent/EA012003B1/en not_active IP Right Cessation
- 2007-03-15 AU AU2007227062A patent/AU2007227062B2/en active Active
- 2007-03-15 GB GB0817348A patent/GB2449603B/en active Active
- 2007-03-15 CA CA2645602A patent/CA2645602C/en active Active
- 2007-12-12 US US11/955,043 patent/US7628543B2/en active Active
-
2008
- 2008-09-22 US US12/235,303 patent/US20090016682A1/en not_active Abandoned
- 2008-09-23 NO NO20084040A patent/NO340665B1/en unknown
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US6332787B1 (en) * | 2000-08-18 | 2001-12-25 | Ocean Design, Inc. | Wet-mateable electro-optical connector |
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7628543B2 (en) | 2006-03-20 | 2009-12-08 | Baker Hughes Incorporated | Downhole optic fiber wet connect system and method |
Also Published As
Publication number | Publication date |
---|---|
US7628543B2 (en) | 2009-12-08 |
NO20084040L (en) | 2008-12-12 |
GB2460971B (en) | 2010-04-21 |
CA2645602C (en) | 2012-12-11 |
CA2768036A1 (en) | 2007-09-27 |
US20080095500A1 (en) | 2008-04-24 |
CA2645602A1 (en) | 2007-09-27 |
CN101427169B (en) | 2010-12-08 |
EA200801915A1 (en) | 2009-04-28 |
GB0817348D0 (en) | 2008-10-29 |
AU2007227062B2 (en) | 2011-07-21 |
BRPI0709045B1 (en) | 2019-11-05 |
CN101427169A (en) | 2009-05-06 |
BRPI0709045A2 (en) | 2011-06-21 |
GB2449603A (en) | 2008-11-26 |
NO340665B1 (en) | 2017-05-29 |
EA012003B1 (en) | 2009-06-30 |
US20090016682A1 (en) | 2009-01-15 |
GB2460971A (en) | 2009-12-23 |
GB2449603B (en) | 2009-11-18 |
US7509000B2 (en) | 2009-03-24 |
CA2768036C (en) | 2016-06-07 |
WO2007109494A3 (en) | 2008-01-17 |
AU2007227062A1 (en) | 2007-09-27 |
US20070218775A1 (en) | 2007-09-20 |
GB0915370D0 (en) | 2009-10-07 |
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