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Class Information
Number: 166/332.5
Name: Wells > Valves, closures or changeable restrictors > Longitudinally movable operator > Valving means inserted or retrieved to operate
Description: Longitudinally moveable operator wherein the flow regulating device is placed in the well or removed from the well to control fluid flow.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7416029 |
Downhole tool |
Aug. 26, 2008 |
| 7370698 |
Method and apparatus for transferring rig weight to tubulars |
May. 13, 2008 |
| 7347268 |
One trip flow tube exercising tool |
Mar. 25, 2008 |
| 7347269 |
Flow tube exercising tool |
Mar. 25, 2008 |
| 7152688 |
Positioning tool with valved fluid diversion path and method |
Dec. 26, 2006 |
| 7096948 |
Method and multi-purpose apparatus for dispensing and circulating fluid in wellbore casing |
Aug. 29, 2006 |
| 7082996 |
Method and apparatus to complete a well having tubing inserted through a valve |
Aug. 1, 2006 |
| 6918439 |
Backpressure adaptor pin and methods of use |
Jul. 19, 2005 |
| 6799633 |
Dockable direct mechanical actuator for downhole tools and method |
Oct. 5, 2004 |
| 6719061 |
Apparatus and method for inserting and retrieving a tool string through well surface equipment |
Apr. 13, 2004 |
| 6695049 |
Valve assembly for hydrocarbon wells |
Feb. 24, 2004 |
| 6681852 |
Tubing hanger shuttle valve |
Jan. 27, 2004 |
| 6644110 |
Measurements of properties and transmission of measurements in subterranean wells |
Nov. 11, 2003 |
| 6561272 |
Technique for deploying a liner into a subterranean wellbore |
May. 13, 2003 |
| 6343658 |
Underbalanced well completion |
Feb. 5, 2002 |
| 6321842 |
Flow control in a wellbore |
Nov. 27, 2001 |
| 6298919 |
Downhole hydraulic path selection |
Oct. 9, 2001 |
| 5865254 |
Downhole tubing conveyed valve |
Feb. 2, 1999 |
| 5531270 |
Downhole flow control in multiple wells |
Jul. 2, 1996 |
| 5488992 |
Spoolable flexible sliding sleeve |
Feb. 6, 1996 |
| 5472054 |
Free pumping apparatus safety valve system and method |
Dec. 5, 1995 |
| 5167278 |
Well testing apparatus |
Dec. 1, 1992 |
| 5137086 |
Method and apparatus for obtaining subterranean fluid samples |
Aug. 11, 1992 |
| 5099919 |
Plug for well logging operations |
Mar. 31, 1992 |
| 4848463 |
Surface read-out tester valve and probe |
Jul. 18, 1989 |
| 4842064 |
Well testing apparatus and methods |
Jun. 27, 1989 |
| 4830107 |
Well test tool |
May. 16, 1989 |
| 4718488 |
Pump-out plug system for a well conduit |
Jan. 12, 1988 |
| 4678035 |
Methods and apparatus for subsurface testing of well bore fluids |
Jul. 7, 1987 |
| 4583592 |
Well test apparatus and methods |
Apr. 22, 1986 |
| 4508174 |
Downhole tool and method of using the same |
Apr. 2, 1985 |
| RE31645 |
Safety apparatus for automatically sealing hydraulic lines within a sub-sea well casing |
Aug. 14, 1984 |
| 4462465 |
Controlling injection of fluids into wells |
Jul. 31, 1984 |
| 4453599 |
Method and apparatus for controlling a well |
Jun. 12, 1984 |
| 4407362 |
Flow control apparatus for wells |
Oct. 4, 1983 |
| RE31313 |
Method and system for well testing |
Jul. 19, 1983 |
| 4274485 |
Method and system for well testing |
Jun. 23, 1981 |
| 4109712 |
Safety apparatus for automatically sealing hydraulic lines within a sub-sea well casing |
Aug. 29, 1978 |
| 4083401 |
Apparatus and methods for testing earth formations |
Apr. 11, 1978 |
| 4066128 |
Well flow control apparatus and method |
Jan. 3, 1978 |
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