RU2011115529A - Borehole Pluggable Connector - Google Patents

Borehole Pluggable Connector Download PDF

Info

Publication number
RU2011115529A
RU2011115529A RU2011115529/03A RU2011115529A RU2011115529A RU 2011115529 A RU2011115529 A RU 2011115529A RU 2011115529/03 A RU2011115529/03 A RU 2011115529/03A RU 2011115529 A RU2011115529 A RU 2011115529A RU 2011115529 A RU2011115529 A RU 2011115529A
Authority
RU
Russia
Prior art keywords
downhole
parts
connector
locking
detachable
Prior art date
Application number
RU2011115529/03A
Other languages
Russian (ru)
Inventor
Питер Марк УИТЕРС (GB)
Питер Марк УИТЕРС
Original Assignee
Сондекс Вайрлайн Лимитед (GB)
Сондекс Вайрлайн Лимитед
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 to GB1006750.2 priority Critical
Priority to GB201006750A priority patent/GB2479778A/en
Application filed by Сондекс Вайрлайн Лимитед (GB), Сондекс Вайрлайн Лимитед filed Critical Сондекс Вайрлайн Лимитед (GB)
Publication of RU2011115529A publication Critical patent/RU2011115529A/en

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B17/00Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/02Couplings; joints
    • E21B17/04Couplings; joints between rod or the like and bit or between rod and rod or the like
    • E21B17/06Releasing-joints, e.g. safety joints

Abstract

 1. A downhole detachable connector (10) for detachably connecting a tackle rope (30) to a downhole tool, comprising:! the first part (11), made with the possibility of connection with the hoist rope (30) and receiving power from the surface, as well as with the possibility of connecting with the second part (12) connected to the downhole tool and / or containing the downhole tool; ! a locking device (13) for engaging the first part (11) with the second part (12) in the first position and for disconnecting the first part (11) from the second part (12) in the second position; and! a reverse drive mechanism (18) for moving said fixing device (13) between the first and second positions; ! wherein the first part (11) is configured to pass electricity through it from the power source to the second part (12) through two electrical contacts (20, 21) in the aforementioned first position, and moving the locking device (13) to the second position disconnects the two electrical contact (20, 21) so that isolation from the external environment of the contact connected to the power source is ensured, which allows equipment located above this electrical contact during operation to continue to work in an electrically conductive fluid well. ! 2. The downhole releasable connector according to claim 1, in which the first and second parts (11, 12) have a common axis, and the reverse drive mechanism (18) is configured to reverse move the locking element (17) back and forth in the direction of the common axis. ! 3. The downhole detachable connector according to claim 1 or 2, in which the fixing element (17) is configured to advance one or

Claims (14)

1. Borehole detachable connector (10) for detachable connection of the hoist rope (30) with the downhole tool, comprising:
the first part (11), made with the possibility of connection with the hoist rope (30) and receiving power from the surface, as well as with the possibility of connecting with the second part (12) connected to the downhole tool and / or containing the downhole tool;
a locking device (13) for engaging the first part (11) with the second part (12) in the first position and for disconnecting the first part (11) from the second part (12) in the second position; and
a reverse drive mechanism (18) for moving said fixing device (13) between the first and second positions;
the first part (11) is configured to pass electricity through it from the power source to the second part (12) through two electrical contacts (20, 21) in the aforementioned first position, and moving the fixing device (13) to the second position disconnects the two electric contact (20, 21) so that isolation from the external environment of the contact connected to the power source is provided, which allows equipment located above this electrical contact during operation to continue to work in an electrically conductive fluid well.
2. The downhole releasable connector according to claim 1, in which the first and second parts (11, 12) have a common axis, and the reverse drive mechanism (18) is configured to reverse move the locking element (17) back and forth in the direction of the common axis.
3. The downhole detachable connector according to claim 1 or 2, in which the locking element (17) is configured to advance one or more latching elements (14) attached to one of the first and second parts (11, 12), in the outer direction with coming into contact with one or more respective engagement surfaces (16) on the other of the first and second parts in the first position and is configured to detach one or more latching elements (14) from one or more corresponding engagement surfaces (16) in the second position and.
4. The borehole detachable connector according to claim 1 or 2, in which two electrical contacts (20, 21) comprise a mechanical mechanical actuated switch that, when closed, provides electric current between the first and second parts (11, 12) and provides disconnecting the power from the second part (12) when it is opened during disconnection of the first and second parts (11, 12) from each other.
5. The downhole detachable connector according to claim 1 or 2, in which one of the contacts (20, 21) is connected to the movable rod (22) of the fixing device (13).
6. The downhole detachable connector according to claim 5, in which two electrical contacts (20, 21) are concentric rings, the inner annular surface of one ring coming into contact with the outer annular surface of the other ring when the first and second part (11, 12 ) are coupled together.
7. The downhole releasable connector according to claim 1 or 2, which also comprises a valve (300) for equalizing the internal and external pressure of the connector when disconnecting the first and second parts (11, 12) from each other.
8. The downhole connector according to claim 7, in which the valve (300) is actuated by means of a locking device (13) that disconnects the first and second parts (11, 12) from each other.
9. A downhole releasable connector according to any one of the preceding paragraphs according to claim 1 or 2, comprising a position sensor (400) for detecting the state of the locking device (13).
10. The downhole releasable connector according to claim 9, wherein the position sensor (400) determines whether the locking device (13) is in a first position, a second position, or between them.
11. A drill containing one or more detachable connectors according to any one of the preceding paragraphs.
12. The method of operation of the borehole detachable connector (10) for detachable connection of the hoist rope (30) with the downhole tool, including:
bringing the drive mechanism (18) in the first direction to move the locking device (13) so as to ensure that the first and second parts (11, 12) of the drill string are locked together and that the electrical connection between the two parts is closed by connecting two electrical contacts (20, 21), one of which is configured to receive power from the surface, and
bringing the drive mechanism (18) in the opposite direction to move the locking device (13) so as to ensure that the first and second parts (11, 12) are disconnected from each other and the electrical connection between the two parts is disconnected by disconnecting the two electrical contacts (20, 21) so that isolation from the external environment of the electrical contact made to receive power from the surface is provided.
13. The method according to item 12, in which the movement of the mechanism (18) of the drive in the opposite direction opens the electrical switch, driven mechanically, which prevents the passage of electric current between the first and second parts (11, 12).
14. The method according to item 12 or 13, in which the movement of the mechanism (18) of the actuator in the opposite direction actuates the valve (300), equalizing the internal and external pressure of the connector.
RU2011115529/03A 2010-04-22 2011-04-21 Borehole Pluggable Connector RU2011115529A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB1006750.2 2010-04-22
GB201006750A GB2479778A (en) 2010-04-22 2010-04-22 Downhole releasable connector with electric contacts

Publications (1)

Publication Number Publication Date
RU2011115529A true RU2011115529A (en) 2012-10-27

Family

ID=42270686

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2011115529/03A RU2011115529A (en) 2010-04-22 2011-04-21 Borehole Pluggable Connector

Country Status (6)

Country Link
US (1) US20110259601A1 (en)
EP (1) EP2381063A2 (en)
CN (1) CN102287153A (en)
CA (1) CA2737202A1 (en)
GB (1) GB2479778A (en)
RU (1) RU2011115529A (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB201003846D0 (en) * 2010-03-09 2010-04-21 Viking Intervention Technology Cablehead
GB201204742D0 (en) * 2012-03-19 2012-05-02 Muchalls Oilfield Service Company Ltd A downhole disconnect device and method of operation
US20140110130A1 (en) * 2012-10-24 2014-04-24 Weatherford/Lamb, Inc. Anchor Latch on Off For Sucker Rods
EP2935757B1 (en) * 2012-12-19 2017-07-05 Halliburton Energy Services, Inc. Downhole torque limiting assembly for drill string
US10036212B2 (en) 2016-06-21 2018-07-31 Schlumberger Technology Corporation Rope socket assembly and wireline logging heads including same
US10975650B2 (en) 2016-12-16 2021-04-13 Hunting Titan, Inc. Electronic release tool
US20200248536A1 (en) * 2017-02-23 2020-08-06 Hunting Titan, Inc. Electronic releasing mechanism
US10760362B2 (en) 2017-12-04 2020-09-01 Schlumberger Technology Corporation Systems and methods for a release device
CN108625798B (en) * 2018-03-30 2019-09-10 东北石油大学 A kind of deep water riser emergency on-off connector

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3327784A (en) 1964-12-11 1967-06-27 Schlumberger Technology Corp Apparatus for releasably connecting well tools to a supporting member
US3517740A (en) 1968-05-27 1970-06-30 Schlumberger Technology Corp Apparatus for selectively releasing cable-suspended well tools
US4275786A (en) 1978-12-15 1981-06-30 Schlumberger Technology Corporation Apparatus for selectively coupling cables to well tools
US4997384A (en) * 1989-04-17 1991-03-05 Otis Engineering Corporation Wet connector
US6032733A (en) 1997-08-22 2000-03-07 Halliburton Energy Services, Inc. Cable head
US6422317B1 (en) * 2000-09-05 2002-07-23 Halliburton Energy Services, Inc. Flow control apparatus and method for use of the same
US6431269B1 (en) 2000-10-11 2002-08-13 Schlumberger Technology Corporation Electrically controlled release device
US6712146B2 (en) * 2001-11-30 2004-03-30 Halliburton Energy Services, Inc. Downhole assembly releasable connection
DE60210516T2 (en) 2002-10-24 2006-11-30 Welltec A/S Cable release method from a connected drilling tool and device for carrying out this method
WO2004046497A1 (en) 2002-11-15 2004-06-03 Baker Hughes Incorporated Releasable wireline cablehead
US7407007B2 (en) 2005-08-26 2008-08-05 Schlumberger Technology Corporation System and method for isolating flow in a shunt tube
US7404725B2 (en) * 2006-07-03 2008-07-29 Hall David R Wiper for tool string direct electrical connection
ES2365289T3 (en) 2007-04-13 2011-09-28 Welltec A/S RELEASE DEVICE

Also Published As

Publication number Publication date
CA2737202A1 (en) 2011-10-22
EP2381063A2 (en) 2011-10-26
CN102287153A (en) 2011-12-21
GB2479778A (en) 2011-10-26
GB201006750D0 (en) 2010-06-09
US20110259601A1 (en) 2011-10-27

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Legal Events

Date Code Title Description
FA94 Acknowledgement of application withdrawn (non-payment of fees)

Effective date: 20151215