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Class Information
Number: 166/227
Name: Wells > Screens
Description: Devices comprising means, usually strainers or filters, for separating solids from the earth fluid flowing into a well conduit.










Sub-classes under this class:

Class Number Class Name Patents
166/236 Concentric pipes 151
166/229 Inserted screen plug 30
166/228 Porous material 95
166/231 Spiral 51
166/235 Stacked annular sections 46
166/234 Strip or rod 27
166/230 Woven mesh 57


Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8701757 Sand control screen assembly having a compliant drainage layer Apr. 22, 2014
8689878 Junk basket with self clean assembly and methods of using same Apr. 8, 2014
8662165 Fiber support arrangement and method Mar. 4, 2014
8651181 Downhole filter tool Feb. 18, 2014
8646528 Compositions and methods relating to establishing circulation in stand-alone-screens without using washpipes Feb. 11, 2014
8579025 Control screen assembly Nov. 12, 2013
8561695 Apparatus and method for testing solids production in a wellbore Oct. 22, 2013
8550157 Apparatus and method for controlling flow of solids into wellbores using filter media containing an array of three dimensional elements Oct. 8, 2013
8511380 Multi-zone gravel pack system with pipe coupling and integrated valve Aug. 20, 2013
8499827 Sand control screen assembly and method for use of same Aug. 6, 2013
8496053 Erosional protection of fiber optic cable Jul. 30, 2013
8490697 Gravel pack completions in lateral wellbores of oil and gas wells Jul. 23, 2013
8485225 Flow control screen assembly having remotely disabled reverse flow control capability Jul. 16, 2013
8479810 Downhole apparatus Jul. 9, 2013
8474526 Screen and method having a partial screen wrap Jul. 2, 2013
8474535 Well screen inflow control device with check valve flow controls Jul. 2, 2013
8439108 Application of degradable polymers in sand control May. 14, 2013
8430158 Sand control screen assembly having integral connector rings and method for making same Apr. 30, 2013
8430174 Anhydrous boron-based timed delay plugs Apr. 30, 2013
8424609 Apparatus and method for controlling fluid flow between formations and wellbores Apr. 23, 2013
8403038 Flow control device that substantially decreases flow of a fluid when a property of the fluid is in a selected range Mar. 26, 2013
8342245 Multi-position valves for fracturing and sand control and associated completion methods Jan. 1, 2013
8336617 Downhole filter tool Dec. 25, 2012
8336618 Method and apparatus for isolating tubing with a swellable seal Dec. 25, 2012
8302680 Swellable screen assembly Nov. 6, 2012
8291971 Crimped end wrapped on pipe well screen Oct. 23, 2012
8291972 Sand control screen assembly and method for use of same Oct. 23, 2012
8286704 Coiled tubing conveyed combined inflow and outflow control devices Oct. 16, 2012
8281854 Connector for mounting screen to base pipe without welding or swaging Oct. 9, 2012
8267180 Remotely controllable variable flow control configuration and method Sep. 18, 2012
8267169 Methods and apparatus for attaching accessories to sand screen assemblies Sep. 18, 2012
8256510 Control screen assembly Sep. 4, 2012
8256522 Sand control screen assembly having remotely disabled reverse flow control capability Sep. 4, 2012
8251145 Pressure relieving transition joint Aug. 28, 2012
8240374 Apparatus and methods for limiting debris flow back into an underground base pipe of an injection well Aug. 14, 2012
8225870 Method for making windows in oil well casings Jul. 24, 2012
8215385 Application of degradable polymers in sand control Jul. 10, 2012
8210252 Fiber optic gravel distribution position sensor system Jul. 3, 2012
8196668 Method and apparatus for completing a well Jun. 12, 2012
8186428 Fiber support arrangement for a downhole tool and method May. 29, 2012
8176634 Method of manufacturing a well screen May. 15, 2012
8171995 Pressure relieving transition joint May. 8, 2012
8151875 Device and system for well completion and control and method for completing and controlling a well Apr. 10, 2012
8146653 Articulated extraction pipe Apr. 3, 2012
8136589 Sand control screen assembly having control line capture capability Mar. 20, 2012
8127447 Method for downhole screen manufacturing Mar. 6, 2012
8127845 Methods and systems for completing multi-zone openhole formations Mar. 6, 2012
8096351 Water sensing adaptable in-flow control device and method of use Jan. 17, 2012
8051907 Downhole separator Nov. 8, 2011
7997339 Conveyance device and method of use in gravel pack operations Aug. 16, 2011

1 2 3 4 5










 
 
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