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Class Information
Number: 166/77.51
Name: Wells > Above ground apparatus > With means facilitating connecting or disconnecting supported tubing or rod sections
Description: Above ground apparatus comprising a separate apparatus for effecting the make-up or break-up of discrete pieces of thin-walled pipe or tubular bar in a line being inserted or removed from the well.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7401664 |
Top drive systems |
Jul. 22, 2008 |
| 7370707 |
Method and apparatus for handling wellbore tubulars |
May. 13, 2008 |
| 7371289 |
Cleaning and doping of tubulars |
May. 13, 2008 |
| 7360589 |
Articulating bail assembly and method |
Apr. 22, 2008 |
| 7353880 |
Method and apparatus for connecting tubulars using a top drive |
Apr. 8, 2008 |
| 7331384 |
Stabberless pipe handling system |
Feb. 19, 2008 |
| 7322406 |
Elevation sensor for a service hose and an apparatus for positioning and stabbing well tubulars |
Jan. 29, 2008 |
| 7320374 |
Wellbore top drive systems |
Jan. 22, 2008 |
| 7308933 |
Power assisted lift for lubricator assembly |
Dec. 18, 2007 |
| 7296623 |
Methods and apparatus for applying torque and rotation to connections |
Nov. 20, 2007 |
| 7290621 |
Integrated mast and top drive for drilling rig |
Nov. 6, 2007 |
| 7249629 |
Multi-function well servicing vehicle |
Jul. 31, 2007 |
| 7237607 |
Tubular stabbing protector and method |
Jul. 3, 2007 |
| 7231969 |
Wellbore top drive power systems and methods of use |
Jun. 19, 2007 |
| 7228913 |
Tubular clamp apparatus for top drives and methods of use |
Jun. 12, 2007 |
| 7225865 |
Apparatus for positioning a tong and drilling rig provided with such an apparatus |
Jun. 5, 2007 |
| 7219744 |
Method and apparatus for connecting tubulars using a top drive |
May. 22, 2007 |
| 7216699 |
Sub mudline abandonment connector |
May. 15, 2007 |
| 7210525 |
Apparatus for controlling a tool having a mandrel that must be stroked into or out of a well |
May. 1, 2007 |
| 7191839 |
Drilling rig apparatus and downhole tool assembly system and method |
Mar. 20, 2007 |
| 7156170 |
Methods and apparatus for severing nested strings of tubulars |
Jan. 2, 2007 |
| 7150327 |
Workover unit and method of utilizing same |
Dec. 19, 2006 |
| 7140455 |
Valve method for drilling with casing using pressurized drilling fluid |
Nov. 28, 2006 |
| 7140453 |
Pipe handling apparatus |
Nov. 28, 2006 |
| 7128161 |
Apparatus and methods for facilitating the connection of tubulars using a top drive |
Oct. 31, 2006 |
| 7108057 |
Apparatus for controlling the ascent and descent of pipe in a well bore |
Sep. 19, 2006 |
| 7104316 |
Tong positioning and alignment device |
Sep. 12, 2006 |
| 7100697 |
Method and apparatus for reforming tubular connections |
Sep. 5, 2006 |
| 7100698 |
Make-up control system for tubulars |
Sep. 5, 2006 |
| 7096977 |
Pipe running tool |
Aug. 29, 2006 |
| 7090254 |
Apparatus and method aligning tubulars |
Aug. 15, 2006 |
| 7090021 |
Apparatus for connecting tublars using a top drive |
Aug. 15, 2006 |
| 7073598 |
Apparatus and methods for tubular makeup interlock |
Jul. 11, 2006 |
| 7055594 |
Pipe gripper and top drive systems |
Jun. 6, 2006 |
| 7040393 |
Choke and kill line systems for blowout preventers |
May. 9, 2006 |
| 7036202 |
Apparatus and method for handling of tubulars |
May. 2, 2006 |
| 7021374 |
Method and apparatus for connecting tubulars using a top drive |
Apr. 4, 2006 |
| 7017450 |
Tong jaw and a method for constructing the tong jaw |
Mar. 28, 2006 |
| 7004259 |
Apparatus and method for facilitating the connection of tubulars using a top drive |
Feb. 28, 2006 |
| 7004456 |
Engine speed limiter for a hoist |
Feb. 28, 2006 |
| 6997251 |
Method and apparatus for controlling the ascent and descent of pipe in a well bore |
Feb. 14, 2006 |
| 6976298 |
Methods and apparatus for connecting tubulars using a top drive |
Dec. 20, 2005 |
| 6966385 |
Tong positioning system and method |
Nov. 22, 2005 |
| 6948575 |
Slip manipulating apparatus |
Sep. 27, 2005 |
| 6938697 |
Apparatus and methods for tubular makeup interlock |
Sep. 6, 2005 |
| 6938709 |
Pipe running tool |
Sep. 6, 2005 |
| 6913096 |
Top drive well drilling apparatus |
Jul. 5, 2005 |
| 6868923 |
Portable apparatus and method for assisting in the removal and emplacement of pipe strings in boreholes |
Mar. 22, 2005 |
| 6857483 |
Drilling device and method for drilling a well |
Feb. 22, 2005 |
| 6834721 |
System for disconnecting coiled tubing |
Dec. 28, 2004 |
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