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Class Information
Number: 166/237
Name: Wells > Detents or clutches
Description: Devices comprising means for preventing relative movement between two parts and manipulable to permit relative movement, or means to permit relative movement and manipulable to prevent relative movement, the change in condition between movement prevention and movement permission being for the purpose of enabling operation of some device in a well (e.g., setting a packer) and the two parts always remaining connected in the well by other means.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7503390 |
Lock mechanism for a sliding sleeve |
Mar. 17, 2009 |
| 7373988 |
Liner running system and method |
May. 20, 2008 |
| 7360609 |
Directional drilling apparatus |
Apr. 22, 2008 |
| 7287607 |
Directional drilling apparatus |
Oct. 30, 2007 |
| 7252150 |
Downhole tool |
Aug. 7, 2007 |
| 7228910 |
Safety mechanism for weight-set downhole tool |
Jun. 12, 2007 |
| 7066264 |
Method and apparatus for treating a subterranean formation |
Jun. 27, 2006 |
| 7011156 |
Percussion tool and method |
Mar. 14, 2006 |
| 7004250 |
Sealing system for the interspace in the transition region between two well pipes of different diameters, and mounting tool for this |
Feb. 28, 2006 |
| 6997252 |
Hydraulic setting tool for packers |
Feb. 14, 2006 |
| 6889765 |
Submersible well pumping system with improved flow switching mechanism |
May. 10, 2005 |
| 6712134 |
Modular bi-directional hydraulic jar with rotating capability |
Mar. 30, 2004 |
| 6662886 |
Mudsaver valve with dual snap action |
Dec. 16, 2003 |
| 6634424 |
Downhole control tool |
Oct. 21, 2003 |
| 6631768 |
Expandable shifting tool |
Oct. 14, 2003 |
| 6598673 |
Wellhead load ring |
Jul. 29, 2003 |
| 6516890 |
Apparatus and method for preventing the inadvertent activation of the actuating mechanism of a well tool |
Feb. 11, 2003 |
| 6505684 |
Hydraulic actuator |
Jan. 14, 2003 |
| 6382324 |
One trip seal latch system |
May. 7, 2002 |
| 6289986 |
Pump rod drive and torque release mechanism |
Sep. 18, 2001 |
| 6267180 |
Packer releasing tool and method for releasing a packer assembly from a wellbore |
Jul. 31, 2001 |
| 6241032 |
One-way drill string clutch |
Jun. 5, 2001 |
| 6241023 |
Unlocking packer setting method and device |
Jun. 5, 2001 |
| 6230806 |
Apparatus and methods for locating tools in subterranean wells |
May. 15, 2001 |
| 6227313 |
Anti-torque tool |
May. 8, 2001 |
| 6209649 |
Selective re-entry tool for multiple tubing completions and method of using |
Apr. 3, 2001 |
| 6202746 |
Fail-safe coupling for a latch assembly |
Mar. 20, 2001 |
| 6176318 |
Actuator apparatus and method for downhole completion tools |
Jan. 23, 2001 |
| 6116339 |
Running and setting tool for packers |
Sep. 12, 2000 |
| 6044909 |
Apparatus and methods for locating tools in subterranean wells |
Apr. 4, 2000 |
| 6039129 |
Locking system for a firing mechanism of a downhole tool |
Mar. 21, 2000 |
| RE36556 |
Method and apparatus for drilling bore holes under pressure |
Feb. 8, 2000 |
| 5787981 |
Oil field converting axial force into torque |
Aug. 4, 1998 |
| 5782297 |
Retrieval tool for back pressure valve and tree test plug |
Jul. 21, 1998 |
| 5642782 |
Downhole clutch assembly |
Jul. 1, 1997 |
| 5617918 |
Wellbore lock system and method of use |
Apr. 8, 1997 |
| 5584342 |
Subterranean rotation-inducing device and method |
Dec. 17, 1996 |
| 5579829 |
Keyless latch for orienting and anchoring downhole tools |
Dec. 3, 1996 |
| 5568836 |
Release device for releasably coupling a first object to a second object |
Oct. 29, 1996 |
| 5495901 |
Surface adjustable adjustable bent housing |
Mar. 5, 1996 |
| 5474124 |
Wellhead retrieval tool assembly |
Dec. 12, 1995 |
| 5441119 |
Directional drilling tool |
Aug. 15, 1995 |
| 5413173 |
Well apparatus including a tool for use in shifting a sleeve within a well conduit |
May. 9, 1995 |
| 5409060 |
Wellbore tool orientation |
Apr. 25, 1995 |
| 5404944 |
Downhole makeup tool for threaded tubulars |
Apr. 11, 1995 |
| 5404955 |
Releasable running tool for setting well tool |
Apr. 11, 1995 |
| 5390735 |
Full bore lock system |
Feb. 21, 1995 |
| 5348087 |
Full bore lock system |
Sep. 20, 1994 |
| 5343953 |
Through-tubing recirculating tool assembly for well completions |
Sep. 6, 1994 |
| 5343954 |
Apparatus and method of anchoring and releasing from a packer |
Sep. 6, 1994 |
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