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Class Information
Number: 166/117.7
Name: Wells > Means anchored against rotation in one conduit section for relatively rotating another section
Description: Devices comprising a means located below ground level in a well conduit adapted to cause relative rotary motion between one section of conduit and another section of conduit also located in the well, said means including a means movable outwardly to engage the surrounding well conduit section to prevent rotation of one portion of the rotating means in the well.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7591314 |
Measurement-while-fishing tool devices and methods |
Sep. 22, 2009 |
| 7441595 |
Method and apparatus for single-run formation of multiple lateral passages from a wellbore |
Oct. 28, 2008 |
| 7225870 |
Hydraulic tools for setting liner top packers and method for cementing liners |
Jun. 5, 2007 |
| 7121350 |
Torque anchor |
Oct. 17, 2006 |
| 7036580 |
Downhole motor lock-up tool |
May. 2, 2006 |
| 7000704 |
Latch profile installation in existing casing |
Feb. 21, 2006 |
| 6968904 |
Method and apparatus for operations in underground/subsea oil and gas wells |
Nov. 29, 2005 |
| 6915846 |
Production tubing joint |
Jul. 12, 2005 |
| 6907935 |
Latch profile installation in existing casing |
Jun. 21, 2005 |
| 6899174 |
Floating instrument insert for a tool |
May. 31, 2005 |
| 6808022 |
Latch profile installation in existing casing |
Oct. 26, 2004 |
| 6516878 |
Downhole tension swivel sub |
Feb. 11, 2003 |
| 6513601 |
Method for setting a packer in a well bore, and a packer |
Feb. 4, 2003 |
| 6289986 |
Pump rod drive and torque release mechanism |
Sep. 18, 2001 |
| 6257333 |
Reverse flow gas separator for progressing cavity submergible pumping systems |
Jul. 10, 2001 |
| 6199635 |
Shifting apparatus and method for use in tubular strings for selective orientation of tubular strings below the shifting apparatus |
Mar. 13, 2001 |
| 6189610 |
Anchoring tool |
Feb. 20, 2001 |
| 6009942 |
Wye block having a rotary guide incorporated therein |
Jan. 4, 2000 |
| 5832997 |
Retrievable milling guide anchor apparatus and associated methods |
Nov. 10, 1998 |
| 5697768 |
Downhole swivel |
Dec. 16, 1997 |
| 5669457 |
Drill string orienting tool |
Sep. 23, 1997 |
| 5531112 |
Fluid holdup tool for deviated wells |
Jul. 2, 1996 |
| 5503224 |
Casing drive apparatus |
Apr. 2, 1996 |
| 5431230 |
Slant wellbore tubing anchor catcher with rotating mandrel |
Jul. 11, 1995 |
| 5429188 |
Tubing rotator for a well |
Jul. 4, 1995 |
| 5404944 |
Downhole makeup tool for threaded tubulars |
Apr. 11, 1995 |
| 5383519 |
Apparatus for rotating a tubing string of a pumping wellhead |
Jan. 24, 1995 |
| 5373898 |
Rotary piston well tool |
Dec. 20, 1994 |
| 5339913 |
Well orienting tool and method of use |
Aug. 23, 1994 |
| 5327975 |
Tubing anchor catcher with rotating mandrel |
Jul. 12, 1994 |
| 5323852 |
Torque limiter for auger gravel pack assembly |
Jun. 28, 1994 |
| 5139090 |
Tubing rotator with downhole tubing swivel |
Aug. 18, 1992 |
| 5137087 |
Casing cementer with torque-limiting rotating positioning tool |
Aug. 11, 1992 |
| 5024272 |
Drill pipe downhole unthreading apparatus |
Jun. 18, 1991 |
| 4995464 |
Well apparatus and method |
Feb. 26, 1991 |
| 4926938 |
Rotatable liner hanger with multiple bearings and cones |
May. 22, 1990 |
| 4903764 |
Swivelsub |
Feb. 27, 1990 |
| 4811785 |
No-turn tool |
Mar. 14, 1989 |
| 4787457 |
Method and apparatus for rotating casing string segment |
Nov. 29, 1988 |
| 4474244 |
Downhole impact wrench |
Oct. 2, 1984 |
| 4431054 |
Seal assembly releasing tool |
Feb. 14, 1984 |
| 4373584 |
Single trip tubing hanger assembly |
Feb. 15, 1983 |
| 4315542 |
Mechanical tubing drain |
Feb. 16, 1982 |
| 4239083 |
Method and apparatus for rotating tubing conduits |
Dec. 16, 1980 |
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