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Class Information
Number: 166/332.1
Name: Wells > Valves, closures or changeable restrictors > Longitudinally movable operator
Description: Valve, closure or changeable restrictor comprising an axially shiftable element operated from the surface of the well to control movement of a flow regulating device.










Sub-classes under this class:

Class Number Class Name Patents
166/333.1 Contact with bore bottom 12
166/332.8 Flapper type 201
166/332.6 Having a dump or discharge type means 7
166/332.7 Having equalizing valve 45
166/332.2 Having rotational movement 40
166/332.4 Operated by means inserted from the surface 149
166/332.5 Valving means inserted or retrieved to operate 46
166/334.1 Vertical movement of conduit 100


Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8701765 Shunt isolation valve Apr. 22, 2014
8701778 Downhole tester valve having rapid charging capabilities and method for use thereof Apr. 22, 2014
8689883 Adjustable venturi valve Apr. 8, 2014
8689887 Methods of operating a radial flow valve Apr. 8, 2014
8678350 Valve and method for controlling flow in tubular members Mar. 25, 2014
8672036 Wellbore circulation tool and method Mar. 18, 2014
8662180 Rotational test valve with tension reset Mar. 4, 2014
8651188 Gas lift barrier valve Feb. 18, 2014
8646533 Mechanical sliding sleeve Feb. 11, 2014
8636058 Straight-bore back pressure valve Jan. 28, 2014
8636059 Downhole circulating valve having a seal plug Jan. 28, 2014
8627890 Rotating continuous flow sub Jan. 14, 2014
8627883 Downhole linear actuation apparatus and method Jan. 14, 2014
8627893 Apparatus and method for selective flow control Jan. 14, 2014
8607872 Fire prevention blow-out valve Dec. 17, 2013
8596365 Resettable pressure cycle-operated production valve and method Dec. 3, 2013
8596366 Wellbore flow control devices comprising coupled flow regulating assemblies and methods for use thereof Dec. 3, 2013
8596368 Resettable pressure cycle-operated production valve and method Dec. 3, 2013
8590629 Flow stop valve and method Nov. 26, 2013
8590628 Selective sleeve system and method of moving a sleeve Nov. 26, 2013
8579255 Step ratchet mechanism Nov. 12, 2013
8517113 Remotely actuating a valve Aug. 27, 2013
8505639 Indexing sleeve for single-trip, multi-stage fracing Aug. 13, 2013
8474525 Geothermal liner system with packer Jul. 2, 2013
8464799 Control system for a surface controlled subsurface safety valve Jun. 18, 2013
8464795 Annulus isolation valve Jun. 18, 2013
8459376 System for drilling under balanced wells Jun. 11, 2013
8453734 Shunt isolation valve Jun. 4, 2013
8403068 Indexing sleeve for single-trip, multi-stage fracing Mar. 26, 2013
8403055 Self sealing hydraulic coupler Mar. 26, 2013
8397820 Method and apparatus for wellbore fluid treatment Mar. 19, 2013
8291982 Multi-position valve for fracturing and sand control and associated completion methods Oct. 23, 2012
8267181 Open-hole mudcake cleanup Sep. 18, 2012
8267174 Internal retention mechanism Sep. 18, 2012
8256538 Containment system for oil field riser pipes Sep. 4, 2012
8251150 Radial flow valve and method Aug. 28, 2012
8215404 Stage cementing tool Jul. 10, 2012
8201623 Reduced wear position indicating subterranean tool Jun. 19, 2012
8171999 Downhole flow control device and method May. 8, 2012
8171998 System for controlling hydrocarbon bearing zones using a selectively openable and closable downhole tool May. 8, 2012
8157017 Method and apparatus for injecting fluid in a wellbore Apr. 17, 2012
8118098 Flow control system and method for use in a wellbore Feb. 21, 2012
8113287 Self sealing hydraulic coupler Feb. 14, 2012
8096363 Circulation control valve and associated method Jan. 17, 2012
8047293 Flow-actuated actuator and method Nov. 1, 2011
8006753 Hydraulic connector apparatuses and methods of use with downhole tubulars Aug. 30, 2011
7987914 Controlling actuation of tools in a wellbore with a phase change material Aug. 2, 2011
7975767 Apparatus for controlling a downhole device Jul. 12, 2011
7967074 Electric wireline insert safety valve Jun. 28, 2011
7926573 Circulation control valve and associated method Apr. 19, 2011

1 2 3 4










 
 
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