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Class Information
Number: 166/373
Name: Wells > Processes > Operating valve, closure, or changeable restrictor in a well
Description: Process for operating a fluid flow regulating device located in the well.










Sub-classes under this class:

Class Number Class Name Patents
166/374 Operated by fluid pressure controlled above ground 243


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13

Patent Number Title Of Patent Date Issued
8701777 Downhole fluid flow control system and method having dynamic response to local well conditions Apr. 22, 2014
8701778 Downhole tester valve having rapid charging capabilities and method for use thereof Apr. 22, 2014
8701780 Hydraulically driven, down-hole jet pump Apr. 22, 2014
8701781 Subsurface safety valve flapper Apr. 22, 2014
8701776 Downhole actuating apparatus Apr. 22, 2014
8689886 Gate valve seat and seat ring Apr. 8, 2014
8689884 Mud pulse telemetry system Apr. 8, 2014
8689885 Bi-directional flapper/sealing mechanism and technique Apr. 8, 2014
8684087 Downhole flow control using perforator and membrane Apr. 1, 2014
8672036 Wellbore circulation tool and method Mar. 18, 2014
8668012 System and method for servicing a wellbore Mar. 11, 2014
8668016 System and method for servicing a wellbore Mar. 11, 2014
8668018 Selective dart system for actuating downhole tools and methods of using same Mar. 11, 2014
8662179 Remotely operated production valve and method Mar. 4, 2014
8662180 Rotational test valve with tension reset Mar. 4, 2014
8662187 Permanent magnet linear motor actuated safety valve and method Mar. 4, 2014
8657017 Method and apparatus for autonomous downhole fluid selection with pathway dependent resistance system Feb. 25, 2014
8657016 Adjustable flow control device Feb. 25, 2014
8657015 Intelligent completion system for extended reach drilling wells Feb. 25, 2014
8657010 Downhole flow device with erosion resistant and pressure assisted metal seal Feb. 25, 2014
8651192 Coiled tubing bottom hole assembly with packer and anchor assembly Feb. 18, 2014
8646533 Mechanical sliding sleeve Feb. 11, 2014
8646535 Flow restriction devices Feb. 11, 2014
8640779 Mud pulser actuation Feb. 4, 2014
8636073 Segmented ball seat assembly valve Jan. 28, 2014
8627893 Apparatus and method for selective flow control Jan. 14, 2014
8622136 Method and apparatus for controlling fluid flow using movable flow diverter assembly Jan. 7, 2014
8622139 Emergency subsea wellhead closure devices Jan. 7, 2014
8616290 Method and apparatus for controlling fluid flow using movable flow diverter assembly Dec. 31, 2013
8616289 Back pressure valve Dec. 31, 2013
8616285 Step ratchet fracture window system Dec. 31, 2013
8613331 On demand actuation system Dec. 24, 2013
8607811 Injection valve with indexing mechanism Dec. 17, 2013
8607873 Flow controller device Dec. 17, 2013
8607875 Rotational wellbore test valve Dec. 17, 2013
8607880 Gas lift plunger acceleration arrangement Dec. 17, 2013
8607882 Load balancing spherical diameter single seat ball system Dec. 17, 2013
8602110 Externally adjustable inflow control device Dec. 10, 2013
8602109 Subsea force generating device and method Dec. 10, 2013
8602108 Subsea tree safety control system Dec. 10, 2013
8602112 Control apparatus for downhole valves Dec. 10, 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
8590625 Subsea completion with a tubing spool connection system Nov. 26, 2013
8590609 Sneak path eliminator for diode multiplexed control of downhole well tools Nov. 26, 2013
8584762 Downhole fluid flow control system having a fluidic module with a bridge network and method for use of same Nov. 19, 2013
8581740 Method and apparatus for communicating signals to an instrument in a wellbore Nov. 12, 2013

1 2 3 4 5 6 7 8 9 10 11 12 13










 
 
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