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Class Information
Number: 166/242.7
Name: Wells > Conduit wall or specific conduit end structure > Downhole coupling or connector > Telescopic
Description: Coupling for conduit wall structure wherein the coupling allows relative axial movement between two conduit wall sections.


Patents under this class:
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Patent Number Title Of Patent Date Issued
7552776 Anchor hangers Jun. 30, 2009
7510003 Downhole connection system Mar. 31, 2009
7506704 Downhole swivel joint Mar. 24, 2009
7503395 Downhole connection system Mar. 17, 2009
7497267 Shunt tube connector lock Mar. 3, 2009
7481461 Device which is expandable to engage the interior of a tube Jan. 27, 2009
7413036 Sub drilling sub Aug. 19, 2008
7398822 Downhole connection system Jul. 15, 2008
7380596 Downhold disconnect safety joint Jun. 3, 2008
7353871 Downhole automatic tool release and method of use Apr. 8, 2008
7320363 Energized slip ring assembly Jan. 22, 2008
7296639 Wellstring assembly Nov. 20, 2007
7284606 Downhole position locating device with fluid metering feature Oct. 23, 2007
7252150 Downhole tool Aug. 7, 2007
7228898 Gravel pack completion with fluid loss control fiber optic wet connect Jun. 12, 2007
7210534 Lock for a downhole tool with a reset feature May. 1, 2007
7174963 Device and a method for disconnecting a tool from a pipe string Feb. 13, 2007
7040396 Apparatus for releasably coupling two elements May. 9, 2006
6981547 Wire lock expandable connection Jan. 3, 2006
6935430 Method and apparatus for expanding a welded connection Aug. 30, 2005
6923256 Disconnect device Aug. 2, 2005
6915865 Locking swivel apparatus with a supplemental internal locking mechanism Jul. 12, 2005
6899174 Floating instrument insert for a tool May. 31, 2005
6880637 Full bore automatic gun release module Apr. 19, 2005
6808023 Disconnect check valve mechanism for coiled tubing Oct. 26, 2004
6772835 Apparatus and method for disconnecting a tail pipe and maintaining fluid inside a workstring Aug. 10, 2004
6712146 Downhole assembly releasable connection Mar. 30, 2004
6626244 Deep-set subsurface safety valve assembly Sep. 30, 2003
6591912 Full bore automatic gun release module Jul. 15, 2003
6527048 Hydraulically actuated downhole coupler system, especially for combination washover/fishing tool assemblies Mar. 4, 2003
6516878 Downhole tension swivel sub Feb. 11, 2003
6457520 Bottom hole assembly with coiled tubing insert Oct. 1, 2002
6454012 Tool string shock absorber Sep. 24, 2002
6431269 Electrically controlled release device Aug. 13, 2002
6425443 Pressure compensated disconnect system and method Jul. 30, 2002
6367552 Hydraulically metered travel joint Apr. 9, 2002
6349770 Telescoping tool Feb. 26, 2002
6286595 Tubing system for an oil or gas well Sep. 11, 2001
6250393 Bottom hole assembly with coiled tubing insert Jun. 26, 2001
6213206 Hydraulically releasable coupling Apr. 10, 2001
6193474 Guide member details for a through-tubing retrievable well pump Feb. 27, 2001
6135208 Expandable wellbore junction Oct. 24, 2000
6131662 Methods of completing wells utilizing wellbore equipment positioning apparatus Oct. 17, 2000
6109355 Tool string shock absorber Aug. 29, 2000
6098713 Methods of completing wells utilizing wellbore equipment positioning apparatus Aug. 8, 2000
6082453 Orientation device, particularly for drilling tool or a well equipment Jul. 4, 2000
6070670 Movement control system for wellbore apparatus and method of controlling a wellbore tool Jun. 6, 2000
6053262 High-load hydraulic disconnect Apr. 25, 2000
6053250 Gravel pack apparatus Apr. 25, 2000
6032735 Gravel pack apparatus Mar. 7, 2000

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