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Class Information
Number: 166/72
Name: Wells > With below and above ground modification > Above ground actuating means for below ground device
Description: Devices comprising a means situated above ground for causing movement of means situated below ground in the well.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7383887 |
Method for rapid installation of a smaller diameter pressure control device usable on blow out preventers |
Jun. 10, 2008 |
| 7377310 |
System for expanding a tubular element in a wellbore |
May. 27, 2008 |
| 7373971 |
Pump jack and method of use |
May. 20, 2008 |
| 7278481 |
Method and system for producing an oil and gas mixture through a well |
Oct. 9, 2007 |
| 7267179 |
Method for rapid installation of a smaller diameter pressure control device usable on blow out preventers |
Sep. 11, 2007 |
| 7201221 |
Wellbores utilizing fiber optic-based sensors and operating devices |
Apr. 10, 2007 |
| 7182139 |
System and method for controlling downhole tools |
Feb. 27, 2007 |
| 7145472 |
Method and apparatus for high speed data dumping and communication for a down hole tool |
Dec. 5, 2006 |
| 7040390 |
Wellbores utilizing fiber optic-based sensors and operating devices |
May. 9, 2006 |
| 6987463 |
Method for collecting geological data from a well bore using casing mounted sensors |
Jan. 17, 2006 |
| 6817421 |
Blowout preventer protector and method of using same |
Nov. 16, 2004 |
| 6810953 |
Shock absorber for oil well pumping unit |
Nov. 2, 2004 |
| 6747570 |
Method for preventing fracturing of a formation proximal to a casing shoe of well bore during drilling operations |
Jun. 8, 2004 |
| 6729407 |
Method for removing gravel pack screens |
May. 4, 2004 |
| 6710019 |
Wellbore fluid |
Mar. 23, 2004 |
| 6659184 |
Multi-line back pressure control system |
Dec. 9, 2003 |
| 6640896 |
Mechanical oil recovery method and system with a sucker rod pump |
Nov. 4, 2003 |
| 6626245 |
Blowout preventer protector and method of using same |
Sep. 30, 2003 |
| 6591914 |
Hydraulic control system for downhole tools |
Jul. 15, 2003 |
| 6575237 |
Hydraulic well control system |
Jun. 10, 2003 |
| 6567013 |
Digital hydraulic well control system |
May. 20, 2003 |
| 6470970 |
Multiplier digital-hydraulic well control system and method |
Oct. 29, 2002 |
| 6371206 |
Prevention of sand plugging of oil well pumps |
Apr. 16, 2002 |
| 6364024 |
Blowout preventer protector and method of using same |
Apr. 2, 2002 |
| 6352110 |
Method and apparatus for continuously testing a well |
Mar. 5, 2002 |
| 6216784 |
Subsurface electro-hydraulic power unit |
Apr. 17, 2001 |
| 6209633 |
Apparatus and method for axially displacing a downhole tool or a tubing string in a well bore |
Apr. 3, 2001 |
| 6182756 |
Method and apparatus for optimizing production from a gas lift well |
Feb. 6, 2001 |
| 6179052 |
Digital-hydraulic well control system |
Jan. 30, 2001 |
| 6170571 |
Apparatus for establishing branch wells at a node of a parent well |
Jan. 9, 2001 |
| 6158509 |
Method and apparatus for gathering liquid sample using a submersible pump |
Dec. 12, 2000 |
| 6109357 |
Control line actuation of multiple downhole components |
Aug. 29, 2000 |
| 6082451 |
Wellbore shoe joints and cementing systems |
Jul. 4, 2000 |
| 6026900 |
Multiple liner method for borehole access |
Feb. 22, 2000 |
| 6009941 |
Apparatus for axially displacing a downhole tool or a tubing string in a well bore |
Jan. 4, 2000 |
| 5996688 |
Hydraulic pump jack drive system for reciprocating an oil well pump rod |
Dec. 7, 1999 |
| 5934372 |
Pump system and method for pumping well fluids |
Aug. 10, 1999 |
| 5934371 |
Pressure test method for permanent downhole wells and apparatus therefore |
Aug. 10, 1999 |
| 5899269 |
Flameless combustor |
May. 4, 1999 |
| 5875849 |
Apparatus and method for recompleting wells with coiled tubing |
Mar. 2, 1999 |
| 5868201 |
Computer controlled downhole tools for production well control |
Feb. 9, 1999 |
| 5839509 |
Method and apparatus for gathering liquid sample using a submersible pump |
Nov. 24, 1998 |
| 5803167 |
Computer controlled downhole tools for production well control |
Sep. 8, 1998 |
| 5769161 |
Polished rod for oil well pumping |
Jun. 23, 1998 |
| 5765639 |
Tubing pump system for pumping well fluids |
Jun. 16, 1998 |
| 5706896 |
Method and apparatus for the remote control and monitoring of production wells |
Jan. 13, 1998 |
| 5568836 |
Release device for releasably coupling a first object to a second object |
Oct. 29, 1996 |
| 5535823 |
Apparatus for amplifying a load |
Jul. 16, 1996 |
| 5511614 |
Hydraulic system for servicing water pumps in wells |
Apr. 30, 1996 |
| 5505258 |
Parallel tubing system for pumping well fluids |
Apr. 9, 1996 |
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