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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
7938188 Completion method with telescoping perforation and fracturing tool May. 10, 2011
7784553 Downhole waterflood regulator Aug. 31, 2010
7775291 Retrievable surface controlled subsurface safety valve Aug. 17, 2010
7661478 Ball drop circulation valve Feb. 16, 2010
7624810 Ball dropping assembly and technique for use in a well Dec. 1, 2009
7617876 Formation isolation valve and method of use Nov. 17, 2009
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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