ClassID:

135595

E21B43/084 - CPC Classification

Classification description:

Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells; Subsoil filtering; Screens or liners Screens comprising woven materials, e.g. mesh or cloth

Recent Application in this class:
#1
20260153016
2026-06-04

COMPLIANT SCREEN WITH FLOW RESTRICTIVE PORTIONS TO REDUCE CROSS FLOW OF WELLBORE FLUIDS

#2
20260078656
2026-03-19

COMPLIANT SCREEN WITH FLOW RESTRICTIVE PORTIONS TO REDUCE CROSS FLOW OF WELLBORE FLUIDS

#3
20250290393
2025-09-18

SYSTEM AND METHOD FOR PROVIDING MISCIBLE DISPLACEMENT IN A HYDRAULICALLY-STIMULATED RESERVOIR

#4
20250290378
2025-09-18

CUTTINGS TRAP FOR "AT BIT" MEASUREMENT OF DRILLED CUTTINGS

#5
20250270902
2025-08-28

SYSTEMS AND METHODS FOR CONTROLLING FLUID FLOW IN A WELLBORE UTILIZING A FLOW CONTROL SYSTEM

#6
20240376805
2024-11-14

Composite Punched Screen for High Pressure Applications

#7
20240376804
2024-11-14

Completing a wellbore

#8
20240301770
2024-09-12

DOWNHOLE SUCTION TOOL

#9
20240026758
2024-01-25

MATERIAL MESH FOR SCREENING FINES

#10
20230417128
2023-12-28

Metal-matrix downhole sand screens

#11
20230272697
2023-08-31

System and methodology for chemical dispersion within a wellbore

#12
20230108767
2023-04-06

STATIC CHEMICAL INHIBITOR SYSTEM FOR OFF-PLOT PIPING IMMUNITY

#13
20220364443
2022-11-17

Metal-matrix downhole sand screens

#14
20220299495
2022-09-22

Divisible experimental device and method for sand production and sand control during natural gas hydrate exploitation

#15
20220298892
2022-09-22

Device and method for gas-water-sand separation and measurement in experiment of natural gas hydrate exploitation

#16
20220290532
2022-09-15

Methods of producing hydrocarbons from unconsolidated sand formations

#17
20220034202
2022-02-03

DOWNHOLE SAND CONTROL SCREEN SYSTEM

#18
20210381346
2021-12-09

Screens

#19
20210355793
2021-11-18

Sand screen system with adhesive bonding

#20
20210172297
2021-06-10

Completion systems and methods to complete a well

#21
20210140281
2021-05-13

Well screen for use with external communication lines

#22
20210025268
2021-01-28

Drilling casing and method of performing fast drilling and completion of large-borehole multilateral well

#23
20200408073
2020-12-31

Sand control screen assemblies and associated methods of manufacturing

#24
20200347704
2020-11-05

Material mesh for screening fines

#25
20200340334
2020-10-29

Oil well tool system and apparatus

#26
20200165907
2020-05-28

BRAIDED SCREEN FOR DOWNHOLE SAND CONTROL SCREEN ASSEMBLIES

#27
20200048995
2020-02-13

Biflex with flow lines

#28
20200024928
2020-01-23

Reducing erosional peak velocity of fluid flow through sand screens

#29
20200011161
2020-01-09

Downhole apparatus

#30
20190284913
2019-09-19

Systems and methods for gravel packing wells

#31
20190249507
2019-08-15

Well system with degradable plug

#32
20190232202
2019-08-01

Sand Screen Filter with Non-Uniform Pores

#33
20190203563
2019-07-04

Degradable plug for a downhole tubular

#34
20190178062
2019-06-13

Apparatus for Carrying Chemical Tracers on Downhole Tubulars, Wellscreens, and the Like

#35
20190169963
2019-06-06

SELECTIVELY EXPANDABLE SCREEN FOR A RESOURCE EXPLORATION AND RECOVERY SYSTEM

#36
20190136672
2019-05-09

Downhole screen assembly

#37
20190112900
2019-04-18

ADJUSTABLE OPENING SIZE FILTRATION CONFIGURATION AND METHOD

#38
20190106967
2019-04-11

Screen filter assembly and method therefor

#39
20190093458
2019-03-28

Protective shrouds for sand control screen assemblies

#40
20190092998
2019-03-28

Completion tools with fluid diffusion control layer

#41
20190070530
2019-03-07

Method of manufacturing a well completion pipe and mesh filter assembly

#42
20190040714
2019-02-07

Autonomous inflow control device with a wettability operable fluid selector

#43
20180363441
2018-12-20

METHOD AND APPARATUS FOR IMPROVING WELLBORE PRODUCTIVITY WITH PIEZOELECTRIC CRYSTALS

#44
20180347322
2018-12-06

SCREEN WITH TRACER MATERIAL AND METHOD OF MAKING THE SAME

#45
20180334888
2018-11-22

Perforated Wire Wrapped Screen Support Rib

#46
20180328151
2018-11-15

Material mesh for screening fines

#47
20180320486
2018-11-08

Screens

#48
20180291714
2018-10-11

Apparatus and method for installing tracer material in downhole screens

#49
20180283134
2018-10-04

Flow control devices with pressure-balanced pistons

#50
20180266219
2018-09-20

Shunt system for downhole sand control completions

#51
20180238150
2018-08-23

Methods of coating a sand screen component

#52
20180223636
2018-08-09

Screen filter assembly and method therefor

#53
20180209222
2018-07-26

Double wall pipe connection system

#54
20180171763
2018-06-21

Intake screen assembly for submersible well pump

#55
20180119526
2018-05-03

SAND CONTROL FILTER ASSEMBLY WITH MULTILAYER WOVEN WIRE FILTER MESH AND METHOD FOR MANUFACTURE THEREOF

#56
20180073334
2018-03-15

Method and apparatus for producing gas from a formation containing both gas and water

#57
20180043404
2018-02-15

Site Remediation System and A Method of Remediating A Site

#58
20180010425
2018-01-11

Wellbore lining for natural gas hydrate and method of constructing a wellbore lining for natural gas hydrate

#59
20180008033
2018-01-11

Cassette brush, a vehicle provided therewith and a method of producing a cassette element for a cassette brush

#60
20180003011
2018-01-04

Louvered Pipe Shroud Assembly

#61
20170362922
2017-12-21

Filter Media For Sand Control Screen Assemblies

#62
20170362921
2017-12-21

Drainage layers for sand control screen assemblies

#63
20170362920
2017-12-21

Base pipes for sand control screen assemblies

#64
20170362919
2017-12-21

Protective shrouds for sand control screen assemblies

#65
20170328158
2017-11-16

Elongated filter for use in wellbore operations

#66
20170226404
2017-08-10

Method of using a screen containing a composite for release of well treatment agent into a well

#67
20170211359
2017-07-27

Well screens and methods to reduce screen plugging

#68
20170204709
2017-07-20

DOWNHOLE TUBING FILTER

#69
20170198557
2017-07-13

Securing layers in a well screen assembly

#70
20170173631
2017-06-22

Apparatus for treating a wellbore screen and method

#71
20170152731
2017-06-01

Sand screen for sand control in lateral holes in wells

#72
20170145796
2017-05-25

BRAIDED SCREEN FOR DOWNHOLE SAND CONTROL SCREEN ASSEMBLIES

#73
20170074077
2017-03-16

Over-coupling screen communication system

#74
20170044879
2017-02-16

Sacrificial screen shroud

#75
20170022789
2017-01-26

Leak-off assembly for gravel pack system

#76
20170002625
2017-01-05

Flow control device for a well

#77
20160341016
2016-11-24

Flow conditioning flow control device

#78
20160326849
2016-11-10

Downhole apparatus

#79
20160305224
2016-10-20

Gravel packing apparatus having locking jumper tubes

#80
20160290110
2016-10-06

Screened communication connector for a production tubing joint

#81
20160281476
2016-09-29

Apparatus for carrying chemical tracers on downhole tubulars, wellscreens, and the like

#82
20160194941
2016-07-07

Erosion resistant screen assembly

#83
20160168960
2016-06-16

Sand control device and methods for identifying erosion

#84
20160040515
2016-02-11

Downhole sand control assembly with flow control, and method for completing a wellbore

#85
20160032694
2016-02-04

Controlling flow in a wellbore

#86
20160024895
2016-01-28

WELLBORE SCREEN, FILTER MEDIUM, AND METHOD

#87
20160003002
2016-01-07

Interventionless downhole screen and method of actuation

#88
20150376990
2015-12-31

Erosion modules for sand screen assemblies

#89
20150375144
2015-12-31

Method of assembly for sand screen

#90
20150315881
2015-11-05

Over-coupling screen communication system

#91
20150315880
2015-11-05

Wellbore screen

#92
20150240606
2015-08-27

Well screen and method of manufacture

#93
20150233215
2015-08-20

Wellbore apparatus and method for sand control using gravel reserve

#94
20150218909
2015-08-06

Downhole flow control, joint assembly and method

#95
20150218901
2015-08-06

Device for collection of particulate material in a conduit

#96
20150204168
2015-07-23

Expandable screen completion tool

#97
20150047830
2015-02-19

Downhole filtration tool

#98
20150041125
2015-02-12

Underground coal gasification well liner

#99
20150034301
2015-02-05

Economical construction of well screens

#100
20150027711
2015-01-29

Convective flow barrier for heating of bulk hydrocarbonaceous materials

#101
20150000897
2015-01-01

Expandable well screen having enhanced drainage characteristics when expanded

#102
20140262206
2014-09-18

Barrier for a downhole tool

#103
20140060816
2014-03-06

Multiple sectioned wire-wrapped screens

#104
20140014357
2014-01-16

System and method for sand and inflow control

#105
20130206406
2013-08-15

Economical construction of well screens

#106
20130105145
2013-05-02

APPARATUS FOR REDUCING OPERATIONALLY INDUCED DEFORMITIES IN WELL PRODUCTION SCREENS

#107
20130008645
2013-01-10

Intelligent well system and method

#108
20130000890
2013-01-03

Multiple sectioned wire-wrapped screens

#109
20130000889
2013-01-03

Securing layers in a well screen assembly

#110
20120138287
2012-06-07

Method of manufacturing a well screen

#111
20110180258
2011-07-28

Flow control system with sand screen

#112
20110180257
2011-07-28

System and method for filtering sand in a wellbore

#113
20110042096
2011-02-24

Downhole apparatus with a swellable mantle

#114
20110011585
2011-01-20

Apparatus and method for controlling flow of solids into wellbores using filter media containing an array of three dimensional elements

#115
20100319914
2010-12-23

Well screen

#116
20100258302
2010-10-14

Well Screen With Drainage Assembly

#117
20100258301
2010-10-14

Securing layers in a well screen assembly

#118
20100258300
2010-10-14

Well screen assembly with multi-gage wire wrapped layer

#119
20100163481
2010-07-01

Drainage or Filter Layer for Well Screen Assembly with Integrated Stand-off Structure

#120
20100122447
2010-05-20

Method for downhole screen manufacturing

#121
20100000742
2010-01-07

Method of manufacturing a well screen

#122
20090250438
2009-10-08

SCREEN MANUFACTURING METHOD AND WELDING APPARATUS THEREOF

#123
20090223680
2009-09-10

Methods for expanding tubular strings and isolating subterranean zones

#124
20090078403
2009-03-26

WELL SCREEN

#125
20080283239
2008-11-20

WELL SCREEN WITH DIFFUSION LAYER

#126
20080217002
2008-09-11

Sand control screen having a micro-perforated filtration layer

#127
20080202753
2008-08-28

Method and apparatus for expanding and separating tubulars in a wellbore

#128
20080156480
2008-07-03

APPARATUS FOR EXPANDING A TUBULAR MEMBER

#129
20080115939
2008-05-22

Radial Expansion of Tubular Members

#130
20080087418
2008-04-17

Pipeline

#131
20080023393
2008-01-31

FILTER CARTRIDGE ASSEMBLY AND METHOD OF MANUFACTURE

#132
20080017387
2008-01-24

Methods for expanding tubular strings and isolating subterranean zones

#133
20080006413
2008-01-10

Well servicing methods and systems employing a triggerable filter medium sealing composition

#134
20070266756
2007-11-22

Expandable Tubular

#135
20070215360
2007-09-20

Expandable Tubular

#136
20070205001
2007-09-06

Expandable Tubular

#137
20070204465
2007-09-06

Screen manufacturing method and welding apparatus thereof

#138
20070114171
2007-05-24

Composite filtering mesh, a sand control sleeve and a sand control screen pipe with the composite filtering mesh

#139
20070017572
2007-01-25

Pipeline

#140
20070012456
2007-01-18

Wellbore Casing

#141
20060157256
2006-07-20

Unsintered mesh sand control screen

#142
20060144596
2006-07-06

Well screen

#143
20060137883
2006-06-29

Well screen

#144
20060065408
2006-03-30

Methods for expanding tubular strings and isolating subterranean zones

#145
20060027376
2006-02-09

Expandable tubing and method

#146
20060016744
2006-01-26

Pump inlet screen

#147
20050252662
2005-11-17

Apparatus and method for expanding a tubular

#148
20050230124
2005-10-20

Mono-diameter wellbore casing

#149
20050230104
2005-10-20

Apparatus for expanding a tubular member

#150
20050230103
2005-10-20

Apparatus for expanding a tubular member

#151
20050230102
2005-10-20

Apparatus for expanding a tubular member

#152
20050224225
2005-10-13

Apparatus for expanding a tubular member

#153
20050205253
2005-09-22

Apparatus for expanding a tubular member

#154
20050161228
2005-07-28

Apparatus for radially expanding and plastically deforming a tubular member

#155
20050155772
2005-07-21

Expandable well screen having temporary sealing substance

#156
20050155771
2005-07-21

Apparatus and methods for expanding tubulars in a wellbore

#157
20050127673
2005-06-16

Tubing seal

#158
20050126779
2005-06-16

Seamless woven wire sintered well screen

#159
20050081358
2005-04-21

Radial expansion of tubular members

#160
20050077051
2005-04-14

Radial expansion of tubular members

#161
20050045341
2005-03-03

Radial expansion of tubular members

#162
20050045329
2005-03-03

Intelligent well system and method

#163
20050045324
2005-03-03

Radial expansion of tubular members

#164
20050039928
2005-02-24

Radial expansion of tubular members

#165
20050039927
2005-02-24

Intelligent well system and method

#166
20050028988
2005-02-10

Radial expansion of tubular members

#167
20050011650
2005-01-20

Method and apparatus for expanding and separating tubulars in a wellbore

#168
20050011641
2005-01-20

Wellhead

#169
18889926
2026-03-17

Compliant screen with flow restrictive portions to reduce cross flow of wellbore fluids

#170
18615439
2025-08-12

Vortex filtration for debris-sensitive components in a well

#171
18605117
2025-09-16

Cuttings trap for “at bit” measurement of drilled cuttings

#172
15355929
2020-04-28

Method and apparatus for removing gas from gas producing formations

#173
15285813
2018-10-02

Methods and riser pipe for dewatering of fly ash pond or pit

#174
15258504
2017-03-28

Subsea wellhead pressure indicating and automatic adjusting device for deep-water dual-gradient drilling

#175
14887137
2019-11-05

Well screen with integrated filter or treatment media