ClassID:

135594

E21B43/082 - 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 porous materials, e.g. prepacked screens

Recent Application in this class:
#1
20260153014
2026-06-04

SWELLABLE ELASTOMER SPONGE FOR SAND MANAGEMENT

#2
20260001285
2026-01-01

SHAPE-MEMORY ARTICLES AND METHOD OF MANUFACTURE

#3
20250320786
2025-10-16

GRADED FILTER-SEPARATOR AND METHOD FOR USE

#4
20250320785
2025-10-16

Collecting Device with an Adjustable Filter Position and Method for Use

#5
20250137338
2025-05-01

SYSTEMS AND METHODS FOR SINGLE TRIP GRAVEL PACKING IN OPEN HOLE BOREHOLE

#6
20250043662
2025-02-06

SAND SCREEN WITH A NON-WOVEN FIBER POLYMER FILTER

#7
20240376806
2024-11-14

SAND SCREEN, METHOD, AND SYSTEM

#8
20240309743
2024-09-19

COMPOSITIONS AND METHODS FOR USE OF PROPPANT SURFACE CHEMISTRY TO IMPROVE PROPPANT CONSOLIDATION AND FLOWBACK CONTROL

#9
20240076964
2024-03-07

System, Method and Apparatus for Creating Electrolysis

#10
20240060399
2024-02-22

METHOD FOR MAKING A PERMEABLE MEDIA AND PERMEABLE MEDIA

#11
20240011371
2024-01-11

Flow control module for sand control management

#12
20230416594
2023-12-28

Elastomer alloy for intelligent sand management

#13
20230235649
2023-07-27

System and method to calibrate digital rock wettability

#14
20230151173
2023-05-18

Methods of manufacturing high temperature conformable polymeric screens

#15
20220403716
2022-12-22

Expandable liner and method for running the same

#16
20220341296
2022-10-27

SAND SCREEN

#17
20220243566
2022-08-04

Conformable sand screen

#18
20220178236
2022-06-09

Modeling diffusion and expulsion of hydrocarbons in kerogen

#19
20220127934
2022-04-28

Non-metallic compliant sand control screen

#20
20220062801
2022-03-03

SEPARATING DEVICE AND USE OF A SEPARATING DEVICE

#21
20220056788
2022-02-24

Method and system of self-contained replaceable filtration screen with high performance for oil and gas wells

#22
20220034203
2022-02-03

Downhole conformable screen system and method of making a conformable screen for downhole use

#23
20220010659
2022-01-13

Filtration media including porous polymeric material and degradable shape memory material

#24
20220003098
2022-01-06

Compositions and methods for use of proppant surface chemistry to improve proppant consolidation and flowback control

#25
20220003084
2022-01-06

Epoxy-based filtration of fluids

#26
20220003083
2022-01-06

Filtration of fluids using conformable porous shape memory media

#27
20210381346
2021-12-09

Screens

#28
20210372237
2021-12-02

Gravel pack filtration system for dehydration of gravel slurries

#29
20210363858
2021-11-25

Buoyancy assist tool

#30
20210222048
2021-07-22

Crosslinked synthetic polymer-based reservoir drilling fluid

#31
20210047902
2021-02-18

Hydrocarbon wells including crosslinked polymer granules in sand control structures and methods of completing the hydrocarbon wells

#32
20200378219
2020-12-03

Material control to prevent well plugging

#33
20200291755
2020-09-17

Method of restraining migration of formation solids in a wellbore

#34
20200199979
2020-06-25

High angle and fractal printed screen

#35
20190292877
2019-09-26

Sand control screens for hydraulic fracture and method

#36
20190284913
2019-09-19

Systems and methods for gravel packing wells

#37
20190195053
2019-06-27

System, method and apparatus for creating an electrical glow discharge

#38
20190144736
2019-05-16

Breaker fluids and methods of use thereof

#39
20190136672
2019-05-09

Downhole screen assembly

#40
20190120027
2019-04-25

Base pipes for sand control screen assemblies

#41
20190073406
2019-03-07

Processing of computer log messages for visualization and retrieval

#42
20190071954
2019-03-07

Perforated pipe system and method of use

#43
20190063195
2019-02-28

INFLOW CONTROL APPARATUS, METHODS, AND SYSTEMS

#44
20190017364
2019-01-17

Compositions and methods for use of proppant surface chemistry to improve proppant consolidation and and flowback control

#45
20180371878
2018-12-27

Alternate flow paths for single trip multi-zone systems

#46
20180320486
2018-11-08

Screens

#47
20180280834
2018-10-04

Down-hole gas separation system

#48
20180266219
2018-09-20

Shunt system for downhole sand control completions

#49
20180051541
2018-02-22

PERMEABLE PORT COVER SYSTEM AND METHOD

#50
20180038206
2018-02-08

Downhole tools having superhydrophobic surfaces

#51
20170362921
2017-12-21

Drainage layers for sand control screen assemblies

#52
20170362920
2017-12-21

Base pipes for sand control screen assemblies

#53
20170328183
2017-11-16

Multi-layered wellbore completion for methane hydrate production

#54
20170211360
2017-07-27

System, method and apparatus for creating an electrical glow discharge

#55
20170199296
2017-07-13

Methods of logging

#56
20170198192
2017-07-13

Breaker fluids and methods of use thereof

#57
20170198189
2017-07-13

Crosslinked synthetic polymer-based reservoir drilling fluid

#58
20170175495
2017-06-22

Screen and method of making the same

#59
20170173631
2017-06-22

Apparatus for treating a wellbore screen and method

#60
20170145795
2017-05-25

BEADED MATRIX AND METHOD OF PRODUCING THE SAME

#61
20170022789
2017-01-26

Leak-off assembly for gravel pack system

#62
20160333668
2016-11-17

Debris catcher

#63
20160326850
2016-11-10

Prepacked sand screen assemblies

#64
20160298429
2016-10-13

Inflow control apparatus, methods, and systems

#65
20160273319
2016-09-22

Downhole flow control apparatus with screen

#66
20160258256
2016-09-08

Methods of fabricating sand control screen assemblies using three-dimensional printing

#67
20160237791
2016-08-18

Deposited material sand control media

#68
20160194941
2016-07-07

Erosion resistant screen assembly

#69
20160177696
2016-06-23

Down-hole sand and solids separator utilized in producing hydrocarbons

#70
20160160617
2016-06-09

SAND CONTROL USING SHAPE MEMORY MATERIALS

#71
20160160580
2016-06-09

Annular flow control devices and methods of use

#72
20160145961
2016-05-26

Periodic structured composite and articles therefrom

#73
20160123113
2016-05-05

Flow-activated flow control device and method of using same in wellbore completion assemblies

#74
20160067826
2016-03-10

Porous structure for downhole fluid control applications and method of manufacture

#75
20160032693
2016-02-04

Production filtering system and methods

#76
20150376990
2015-12-31

Erosion modules for sand screen assemblies

#77
20150375144
2015-12-31

Method of assembly for sand screen

#78
20150361773
2015-12-17

Flow control devices including materials containing hydrophilic surfaces and related methods

#79
20150352660
2015-12-10

BEADED MATRIX AND METHOD OF PRODUCING THE SAME

#80
20150322750
2015-11-12

Flow distribution assemblies for preventing sand screen erosion

#81
20150315880
2015-11-05

Wellbore screen

#82
20150300133
2015-10-22

Screen packer assembly

#83
20150233215
2015-08-20

Wellbore apparatus and method for sand control using gravel reserve

#84
20150192008
2015-07-09

Fluid tracer installation

#85
20150129199
2015-05-14

Nano-particle reinforced well screen

#86
20150075780
2015-03-19

Multi-zone completion systems and methods

#87
20150068760
2015-03-12

Multi-layered wellbore completion for methane hydrate production

#88
20150034301
2015-02-05

Economical construction of well screens

#89
20150000897
2015-01-01

Expandable well screen having enhanced drainage characteristics when expanded

#90
20140318775
2014-10-30

Compositions and methods for use of proppant surface chemistry to improve proppant consolidation and flowback control

#91
20140305641
2014-10-16

Ceramic screen

#92
20140305636
2014-10-16

Sensing in artificial lift systems

#93
20140262260
2014-09-18

Sand control screen having improved reliability

#94
20140158344
2014-06-12

Down-hole sand and solids separator utilized in producing hydrocarbons

#95
20130206406
2013-08-15

Economical construction of well screens

#96
20130199798
2013-08-08

TEMPORARY PROTECTIVE COVER FOR OPERATIVE DEVICES

#97
20130180401
2013-07-18

Downhole fluid separation system and method

#98
20130062269
2013-03-14

Bendable strain relief fluid filter liner, method and apparatus

#99
20130032352
2013-02-07

Down-hole sand and solids separator utilized in producing hydrocarbons

#100
20130032276
2013-02-07

Permeable material compacting apparatus

#101
20120125601
2012-05-24

Separating device for tubular flow-through devices

#102
20120090839
2012-04-19

Screen assembly

#103
20120073801
2012-03-29

Sand Control Screen Assembly Having a Mechanically Attached Screen Jacket

#104
20120018146
2012-01-26

Wear-resistant separating device for removing sand and rock particles

#105
20110247801
2011-10-13

Screen device and downhole screen

#106
20110174481
2011-07-21

Connector for mounting screen to base pipe without welding or swaging

#107
20110162780
2011-07-07

Shape memory polyurethane foam for downhole sand control filtration devices

#108
20110073296
2011-03-31

System and apparatus for well screening including a foam layer

#109
20110067872
2011-03-24

Wellbore flow control devices using filter media containing particulate additives in a foam material

#110
20100326654
2010-12-30

Monitoring downhole production flow in an oil or gas

#111
20100200233
2010-08-12

Fluid control apparatus and methods for production and injection wells

#112
20100089565
2010-04-15

Shape memory polyurethane foam for downhole sand control filtration devices

#113
20100065270
2010-03-18

Filtering device, especially for use as a well screen filter

#114
20100051270
2010-03-04

Sand control screen assembly and method for use of same

#115
20100012323
2010-01-21

Bead pack brazing with energetics

#116
20090260817
2009-10-22

Method and apparatus to cement a perforated casing

#117
20090200032
2009-08-13

System, method and apparatus for creating an electrical glow discharge

#118
20090173497
2009-07-09

Sand control screen assembly and associated methods

#119
20090173496
2009-07-09

Apparatus for reducing water production in gas wells

#120
20090173490
2009-07-09

Sand control screen assembly and method for use of same

#121
20090065206
2009-03-12

Wellbore fluid treatment tubular and method

#122
20080283239
2008-11-20

WELL SCREEN WITH DIFFUSION LAYER

#123
20080156481
2008-07-03

Ceramic screen

#124
20080087431
2008-04-17

Apparatus and method for controlled deployment of shape-conforming materials

#125
20080006402
2008-01-10

Wellbore screen

#126
20080001403
2008-01-03

Snap-lock bushing for prepacked screens

#127
20070256834
2007-11-08

Particle control screen with depth filtration

#128
20070183919
2007-08-09

Method of forming metal foams by cold spray technique

#129
20060175065
2006-08-10

Water shut off method and apparatus

#130
20060108114
2006-05-25

Drilling method for maintaining productivity while eliminating perforating and gravel packing

#131
20060107514
2006-05-25

Method for coupling and expanding tubing

#132
20050284633
2005-12-29

One trip well apparatus with sand control

#133
20050199385
2005-09-15

Connector for expandable well screen

#134
20050126776
2005-06-16

Wellbore screen

#135
20050029812
2005-02-10

Expandable slotted tubing string and method for connecting such a tubing string

#136
15792525
2020-06-09

Electric submersible pump intake system, apparatus, and method

#137
14887137
2019-11-05

Well screen with integrated filter or treatment media