ClassID:

135484

E21B33/10 - CPC Classification

Classification description:

Sealing or packing boreholes or wells in the borehole

Sub-classes:
Recent Application in this class:
#1
20250361781
2025-11-27

INTERNAL SLIP INCLUDING ONE OR MORE SYMMETRICAL TEETH

#2
20250263991
2025-08-21

INTERNAL SLIP DESIGN WITH MINIMUM BACKLASH FOR PACKERS SEAL ENHANCEMENT

#3
20250198266
2025-06-19

ARTIFICIAL LIFT APPARATUS WITH INTEGRATED SHUT-IN VALVE

#4
20250146713
2025-05-08

Forming High-Efficiency Geothermal Wellbores

#5
20250084728
2025-03-13

PRODUCTION SUB INCLUDING A FLUID FLOW ASSEMBLY HAVING A PAIR OF RADIAL BURST DISCS

#6
20250067170
2025-02-27

GAS BREAKTHROUGH ANALYSIS

#7
20240368957
2024-11-07

SEAL ARRANGEMENT, METHOD, AND SYSTEM

#8
20240343887
2024-10-17

DISSOLVABLE DOWNHOLE HYDRAULIC FRACTURING TOOLS COMPOSED OF BULK METAL GLASS AND THERMOPLASTIC POLYMER COMPOSITES

#9
20240309758
2024-09-19

TRAINING A PRODUCTION MODEL USING DATA FROM AT LEAST ONE OF DISTRIBUTED SENSORS AND DISCRETE SENSORS, PERFORMING A PRODUCTION PROCESS USING A TRAINED PRODUCTION MODEL, AND A COMPUTING SYSTEM FOR TRAINING THE PRODUCTION MODEL

#10
20240309724
2024-09-19

SEAL ASSEMBLY, DOWNHOLE TOOL AND SYSTEM

#11
20240309723
2024-09-19

SEAL ARRANGEMENT AND SYSTEM

#12
20240309708
2024-09-19

ORIENTING ENERGY TRANSFER MECHANISM CONNECTIONS HIGH SIDE IN A WELL

#13
20240301762
2024-09-12

Seal system, method, and borehole system

#14
20240271503
2024-08-15

SEAL, METHOD, AND SYSTEM

#15
20240230465
2024-07-11

ELECTRIFIED SEALING AND ANTI-EXTRUSION ELEMENTS FOR SYSTEM HEALTH MONITORING

#16
20240183236
2024-06-06

REDUCED BACKLASH SEALING/ANCHORING ASSEMBLY

#17
20240183235
2024-06-06

INTERNAL SLIP INCLUDING ONE OR MORE SYMMETRICAL TEETH

#18
20240183234
2024-06-06

Internal slip design with minimum backlash for packers seal enhancement

#19
20240167350
2024-05-23

SWAB RESISTANT SEAL TOOL AND SYSTEM

#20
20240117707
2024-04-11

Production sub including a fluid flow assembly having a pair of radial burst discs

#21
20240052727
2024-02-15

INLINE FRACTURING VALVE SYSTEMS AND METHODS

#22
20230416494
2023-12-28

Dissolvable downhole hydraulic fracturing tools composed of bulk metal glass and thermoplastic polymer composites

#23
20230399909
2023-12-14

DEVICES, SYSTEMS, AND METHODS FOR SELECTIVELY ENGAGING DOWNHOLE TOOL FOR WELLBORE OPERATIONS

#24
20230374874
2023-11-23

Devices, systems, and methods for selectively engaging downhole tool for wellbore operations

#25
20230366287
2023-11-16

Downhole sealing assembly

#26
20230366281
2023-11-16

Devices, systems, and methods for selectively engaging downhole tool for wellbore operations

#27
20230349269
2023-11-02

Expandable tubulars to isolate production casing

#28
20230349264
2023-11-02

METHODS TO REPAIR WELL LINER HANGERS

#29
20230323739
2023-10-12

Bulkhead

#30
20230167715
2023-06-01

CARBON DIOXIDE SEQUESTRATION

#31
20230167696
2023-06-01

Deploying a liner in a wellbore

#32
20230160261
2023-05-25

Optimized adhesive thickness for metal-to-elastomer bonding in oilfield mud motor and pump stators

#33
20230151713
2023-05-18

Lock tool for a subsurface safety valve

#34
20230122970
2023-04-20

Ferrofluidic sealing technology for sampling while rotating and drilling

#35
20230084887
2023-03-16

Flow Tube

#36
20230077558
2023-03-16

Fluid sequestration method and system

#37
20230015105
2023-01-19

System and method of monitoring a downhole stimulation operation featuring retrievable cable

#38
20220403710
2022-12-22

Method for wellbore sealing

#39
20220381104
2022-12-01

SELF ACTIVATING SEAL ASSEMBLY BACKUP

#40
20220372826
2022-11-24

Wellbore production method and system using bailer

#41
20220325597
2022-10-13

Integral bellows for oilfield equipment

#42
20220282578
2022-09-08

Bulkhead

#43
20220268124
2022-08-25

Downhole sealing apparatus and method

#44
20220220833
2022-07-14

Inline fracturing valve systems and methods

#45
20220186575
2022-06-16

Non-expanding liner hanger

#46
20220178249
2022-06-09

Devices, systems, and methods for selectively engaging downhole tool for wellbore operations

#47
20220162925
2022-05-26

Proppant dispensing system

#48
20220074718
2022-03-10

REVERSE BURN POWER CHARGE FOR A WELLBORE TOOL

#49
20220065079
2022-03-03

Casing deployed well completion systems and methods

#50
20220042392
2022-02-10

Production logging tool

#51
20220034185
2022-02-03

SLURRY OUTLET WITH SEAL PROTECTION SYSTEM

#52
20220025731
2022-01-27

SEALING APPARATUS FOR HIGH PRESSURE HIGH TEMPERATURE (HPHT) APPLICATIONS

#53
20220003066
2022-01-06

Actuating tool for actuating an auxiliary tool downhole in a wellbore

#54
20210355815
2021-11-18

Devices, systems, and methods for selectively engaging downhole tool for wellbore operations

#55
20210325089
2021-10-21

Forming high efficiency geothermal wellbores

#56
20210301604
2021-09-30

Deploying material to limit losses of drilling fluid in a wellbore

#57
20210246751
2021-08-12

Patch for joining downhole ends of pipes

#58
20210238988
2021-08-05

Devices, systems, and methods for selectively engaging downhole tool for wellbore operations

#59
20210222545
2021-07-22

Inflow indicator apparatus

#60
20210131215
2021-05-06

Dual string fluid management devices for oil and gas applications

#61
20210095541
2021-04-01

HIGH PERFORMANCE FLUOROELASTOMER BONDED SEAL FOR DOWNHOLE APPLICATIONS

#62
20210071504
2021-03-11

EXPANDABLE LINER

#63
20210062630
2021-03-04

METHODS FOR IMPROVING OIL RECOVERY WITHIN A SUBTERRANEAN FORMATION

#64
20200386079
2020-12-10

Fault tolerant downhole power regulator

#65
20200378731
2020-12-03

Reverse burn power charge for a wellbore tool

#66
20200370383
2020-11-26

Liner hanger with hardened anchoring ridges

#67
20200318434
2020-10-08

Hydraulic drilling systems and methods

#68
20200309266
2020-10-01

O-ring gland for downhole tool

#69
20200284119
2020-09-10

Pressurized flotation for tubular installation in wellbores

#70
20200240240
2020-07-30

Proppant dispensing system with vibrating container

#71
20200240239
2020-07-30

Proppant dispensing system with intermediate surge hopper

#72
20200240238
2020-07-30

Proppant dispensing system with knife-edge gate

#73
20200240237
2020-07-30

Proppant dispensing system with metering conveyor

#74
20200173260
2020-06-04

Multilateral junction with integral flow control

#75
20200088000
2020-03-19

Automatically Resetting Tubing String Bypass Valve

#76
20200072008
2020-03-05

Setting tool having a ball carrying assembly

#77
20200048985
2020-02-13

Proppant dispensing system

#78
20190264528
2019-08-29

Swellable seals for well tubing

#79
20190264527
2019-08-29

Method for sealing a wellbore liner-hanger tie-back system

#80
20190249524
2019-08-15

Methods for hanging liner from casing and articles derived therefrom

#81
20190186231
2019-06-20

Methods of mitigating lost circulation while drilling a wellbore

#82
20190164653
2019-05-30

Systems and methods for maintaining cover gas in nuclear reactors

#83
20190136668
2019-05-09

Magnetic Downhole Tool And Related Subassemblies Having Mu-Metallic Shielding

#84
20190112886
2019-04-18

Installation and retrieval of well pressure control device releasable assembly

#85
20190085662
2019-03-21

Multilateral junction with wellbore isolation

#86
20190040708
2019-02-07

SYSTEM AND METHOD FOR TREATING A BOREHOLE

#87
20190032442
2019-01-31

Sealing apparatus for high pressure high temperature (HPHT) applications

#88
20190032426
2019-01-31

Pressure equalization apparatus and associated systems and methods

#89
20180371882
2018-12-27

Expandable liner

#90
20180363424
2018-12-20

Downhole welding process and tool therefore

#91
20180355693
2018-12-13

Swellable seals for well tubing

#92
20180237682
2018-08-23

Sealing fluid for setting a packer

#93
20180202256
2018-07-19

Apparatus for use in a fluid conduit

#94
20180202251
2018-07-19

Single point metal to metal seal

#95
20180179870
2018-06-28

Direct well casing deployment of downhole blower system

#96
20180135394
2018-05-17

Wellbore Tubulars Including Selective Stimulation Ports Sealed with Sealing Devices and Methods of Operating the Same

#97
20180135381
2018-05-17

Autonomous downhole conveyance systems and methods using adaptable perforation sealing devices

#98
20180080302
2018-03-22

SELF-ASSEMBLING PACKER

#99
20180073352
2018-03-15

ZONAL COMMUNICATION AND METHODS OF EVALUATING ZONAL COMMUNICATION

#100
20180038194
2018-02-08

Method and apparatus for sealing tubulars

#101
20170248009
2017-08-31

Wireless activation of wellbore tools

#102
20170234289
2017-08-17

ENERGY GENERATION FROM A DOUBLE WELLBORE

#103
20170204667
2017-07-20

Hydraulic drilling systems and methods

#104
20170191341
2017-07-06

Bridge plug apparatuses containing a magnetorheological fluid and methods for use thereof

#105
20170122080
2017-05-04

Shale gas extraction

#106
20170101844
2017-04-13

Telemetry operated ball release system

#107
20170037711
2017-02-09

Methods for hanging liner from casing and articles derived therefrom

#108
20170016295
2017-01-19

Devices and methods for anchoring the tools in a wellbore casing section

#109
20160362959
2016-12-15

Sealing a portion of a wellbore

#110
20160362958
2016-12-15

Sealing a portion of a wellbore

#111
20160356131
2016-12-08

EXTRUSION PREVENTION RING FOR A LINER HANGER SYSTEM

#112
20160356109
2016-12-08

Well system with settable shoulder

#113
20160348469
2016-12-01

Downhole ball valve

#114
20160341011
2016-11-24

Multilateral junction with wellbore isolation

#115
20160340993
2016-11-24

Method and apparatus for downhole tool actuation

#116
20160290089
2016-10-06

SMART FLUID COMPLETIONS, ISOLATIONS, AND SAFETY SYSTEMS

#117
20160265295
2016-09-15

One-trip cut and pull system and apparatus

#118
20160251929
2016-09-01

Off-set tubing string segments for selective location of downhole tools

#119
20160138359
2016-05-19

Swellable compositions, articles formed therefrom, and methods of manufacture thereof

#120
20160115759
2016-04-28

Changeable well seal tool

#121
20160090812
2016-03-31

Deployment of expandable graphite

#122
20160084054
2016-03-24

Method of gas, oil and mineral production using a clean processing system and method

#123
20160084003
2016-03-24

Bearing assembly including a focal bearing and load sharing thrust bearings

#124
20160076341
2016-03-17

Cementing system for riserless abandonment operation

#125
20160060986
2016-03-03

Activation modules for obstructing entrances to inner barrels of coring tools and related coring tools and methods

#126
20160010411
2016-01-14

Apparatus and method for preventing tubing casing annulus pressure communication

#127
20150337614
2015-11-26

DOWNHOLE SEAL PROTECTOR ARRANGEMENT

#128
20150315868
2015-11-05

Self-assembling packer

#129
20150267496
2015-09-24

Downhole uses of nanospring filled elastomers

#130
20150252638
2015-09-10

Fluid loss well treatment

#131
20150240628
2015-08-27

Well isolation

#132
20150233191
2015-08-20

Pressure equalization apparatus and associated systems and methods

#133
20150225173
2015-08-13

Tunneled gas storage

#134
20150198008
2015-07-16

Well system cementing plug

#135
20150191987
2015-07-09

Underwater noise abatement apparatus and deployment system

#136
20150176355
2015-06-25

Adjustable coring assembly and method of using same

#137
20150167424
2015-06-18

Deformable plug and seal well system

#138
20150167400
2015-06-18

GASKET FOR INDUCTIVE COUPLING BETWEEN WIRED DRILL PIPE

#139
20150139832
2015-05-21

Seal assembly for a downhole device

#140
20150136396
2015-05-21

Telemetry operated ball release system

#141
20150136384
2015-05-21

Wiper and seal assembly for a pump

#142
20150129224
2015-05-14

Hydrocarbon resource heating apparatus including RF contacts and grease injector and related methods

#143
20150122490
2015-05-07

System and method for mud circulation

#144
20150101813
2015-04-16

Methods for hanging liner from casing and articles derived therefrom

#145
20150083433
2015-03-26

GAS LIFT VALVE

#146
20150075819
2015-03-19

Method and apparatus for dual instrument installation in a wellbore

#147
20150075818
2015-03-19

Pipe provided with a crimped metal element, and corresponding process

#148
20150075816
2015-03-19

Segmented ring assembly

#149
20150068731
2015-03-12

Subterranean tool for release of darts adjacent their intended destinations

#150
20150060086
2015-03-05

Running Tool with Retractable Collet for Liner String Installation in a Wellbore

#151
20150047842
2015-02-19

TUBULARS AND METHODS FOR DELIVERY OF CHEMICAL IN A WELL

#152
20150034310
2015-02-05

COMPOUNDS, COMPOSITIONS AND METHODS FOR ENHANCING OIL RECOVERY

#153
20150034298
2015-02-05

Intensifier ram blowout preventer

#154
20150021028
2015-01-22

Sealing fluid for setting a packer

#155
20150000935
2015-01-01

Multi-stage well system and technique

#156
20140367123
2014-12-18

Downhole tubular system and assembly for sealing an opening

#157
20140367102
2014-12-18

Method for establishment of an annulus barrier in a subterranean well

#158
20140332232
2014-11-13

Annular barrier with an expansion detection device

#159
20140332229
2014-11-13

Interventionless adjustable flow control device using inflatables

#160
20140319783
2014-10-30

Expandable high pressure and high temperature seal

#161
20140318812
2014-10-30

Apparatus for use in a fluid conduit

#162
20140262344
2014-09-18

Drillable slip

#163
20140262209
2014-09-18

Downhole sealing assembly

#164
20140238701
2014-08-28

Mill diverter having a swellable material for preventing fluid flow past the material

#165
20140196900
2014-07-17

Method and apparatus for sealing tubulars

#166
20140175750
2014-06-26

ANNULAR SEAL

#167
20140151024
2014-06-05

Packoff Sealing Assembly

#168
20140144636
2014-05-29

COMPOSITION OF PACKER FLUID FOR DEEP AND ULTRA-DEEP WELLS IN ENVIRONMENTS CONTAINING CO2 AND A PROCESS OF USING THE SAME

#169
20140124193
2014-05-08

Metal chevron axial seal

#170
20140102720
2014-04-17

Permeability Modification

#171
20140102717
2014-04-17

METHOD FOR LAUNCHING REPLACEMENT BALLS

#172
20140102691
2014-04-17

METHOD OF DRILLING AND OPERATING AN OIL OR GAS WELL, A METHOD OF PREVENTING OR MINIMIZING CONTAMINATION TO THE SOIL ABOUT AN OIL OR GAS WELL, USING A KIT TO INSTALL, AN IMPERVIOUS AND REUSABLE LINER AND APPARATUS THEREFOR

#173
20140090857
2014-04-03

Flow control devices on expandable tubing run through production tubing and into open hole

#174
20140060811
2014-03-06

Downhole elastomeric components including barrier coatings

#175
20140015201
2014-01-16

HIGH PRESSURE SEAL BACK-UP

#176
20130284436
2013-10-31

METHOD OF PROVIDING AN ANNULAR SEAL, AND WELLBORE SYSTEM

#177
20130248209
2013-09-26

HIGH PRESSURE TIE BACK RECEPTACLE AND SEAL ASSEMBLY

#178
20130220607
2013-08-29

Methods of using cellulose in various oilfield applications

#179
20130213512
2013-08-22

Closing of underwater oil spills with the help of magnetic powders

#180
20130206410
2013-08-15

EXPANDABLE STRUCTURES FOR WELLBORE DEPLOYMENT

#181
20130153796
2013-06-20

Underground annular blowout preventer and assembly process thereof

#182
20130146276
2013-06-13

Flow control hanger and polished bore receptacle

#183
20130140041
2013-06-06

Selectively disengagable sealing system

#184
20130068461
2013-03-21

SEALING BODY FOR WELL PERFORATION OPERATIONS

#185
20130064604
2013-03-14

METHODS AND SYSTEMS FOR CO2 SEQUESTRATION

#186
20130038021
2013-02-14

Annular seal

#187
20130037267
2013-02-14

System and method for improving zonal isolation in a well

#188
20130025687
2013-01-31

Water self-shutoff tubular

#189
20130008670
2013-01-10

Safety system for oil and gas drilling operations

#190
20120261139
2012-10-18

Pressure equalization apparatus and associated systems and methods

#191
20120217010
2012-08-30

Open-hole packer for alternate path gravel packing, and method for completing an open-hole wellbore

#192
20120186813
2012-07-26

METHOD FOR BLOCKING OUTFLOW OF PETROLEUM OR THE LIKE DUE TO DAMAGE TO SUBSEA PETROLEUM WELL STELL PIPE OR THE LIKE

#193
20120186809
2012-07-26

Downhole 4D pressure measurement apparatus and method for permeability characterization

#194
20120152568
2012-06-21

Downhole apparatus with a swellable support structure

#195
20120103626
2012-05-03

A WELL COMPLETION METHOD

#196
20120073819
2012-03-29

Method and system for hydraulic fracturing

#197
20120073812
2012-03-29

Method of isolating a wellbore with solid acid for fracturing

#198
20110315402
2011-12-29

METHOD FOR FORMING AN ISOLATING PLUG

#199
20110315399
2011-12-29

Gasket for inductive coupling between wired drill pipe

#200
20110308656
2011-12-22

System and method for capping a high pressure line

#201
20110247832
2011-10-13

Expandable slip ring for use with liner hangers and liner top packers

#202
20110214920
2011-09-08

Universal drilling and completion system

#203
20110203790
2011-08-25

System and method for sealing couplings in downhole tubing strings

#204
20110160100
2011-06-30

COMPOSITION OF PACKER FLUID FOR DEEP AND ULTRA-DEEP WELLS IN ENVIRONMENTS CONTAINING CO2

#205
20110156356
2011-06-30

Seal member

#206
20110148044
2011-06-23

HIGH EXPANSION METALLIC SEAL

#207
20110148043
2011-06-23

HIGH EXPANSION METALLIC SEAL

#208
20110147012
2011-06-23

Downhole apparatus with a swellable support structure

#209
20110120732
2011-05-26

Device and method of lining a wellbore

#210
20110095485
2011-04-28

Metal-to-metal seal with retention device

#211
20110088916
2011-04-21

Method for sealing an annular space in a wellbore

#212
20110065613
2011-03-17

Oil-based insulating packer fluid

#213
20110048701
2011-03-03

Well seals

#214
20110042902
2011-02-24

Self-sealing method

#215
20110037230
2011-02-17

Expandable packer system

#216
20110005772
2011-01-13

System, device, and method of installation of a pump below a formation isolation valve

#217
20100320695
2010-12-23

Annular seal

#218
20100276160
2010-11-04

Systems and methods for regulating flow in a wellbore

#219
20100263871
2010-10-21

Open hole frac system

#220
20100252230
2010-10-07

Sealing device

#221
20100219592
2010-09-02

Sealing array for high temperature applications

#222
20100212899
2010-08-26

Downhole gap sealing element and method

#223
20100186969
2010-07-29

Downhole apparatus

#224
20100181729
2010-07-22

Downhole seal element formed from a nanocomposite material

#225
20100175895
2010-07-15

Permeability modification

#226
20100148446
2010-06-17

SEAL ASSEMBLY AND METHOD FOR MAKING AND USING THE SAME

#227
20100078180
2010-04-01

Expandable packer system

#228
20100072711
2010-03-25

EXPANDABLE METAL-TO-METAL SEAL

#229
20100038075
2010-02-18

SEAL OR FLUID BARRIER USING STRANDS

#230
20100019456
2010-01-28

Coatings for downhole seal materials and method of making the same

#231
20090277648
2009-11-12

Downhole apparatus with a swellable support structure

#232
20090272546
2009-11-05

Downhole apparatus with a swellable seal

#233
20090272541
2009-11-05

Downhole apparatus with a swellable connector

#234
20090272525
2009-11-05

Downhole apparatus with a swellable centraliser

#235
20090255680
2009-10-15

Subsea inflatable bridge plug inflation system

#236
20090250227
2009-10-08

System and method for plugging a side pocket mandrel using a swelling plug

#237
20090139709
2009-06-04

Self-boosting wedge tubing-to-casing seal

#238
20090139322
2009-06-04

Downhole 4D pressure measurement apparatus and method for permeability characterization

#239
20090102133
2009-04-23

Downhole tubular sealing system

#240
20090044958
2009-02-19

Sealing device

#241
20080302543
2008-12-11

Expandable packer system

#242
20080289813
2008-11-27

Polished bore receptacle

#243
20080264647
2008-10-30

SHAPE MEMORY MATERIALS FOR DOWNHOLE TOOL APPLICATIONS

#244
20080169610
2008-07-17

METAL TO METAL SEAL FOR DOWNHOLE TOOLS

#245
20080156480
2008-07-03

APPARATUS FOR EXPANDING A TUBULAR MEMBER

#246
20080144759
2008-06-19

Method of Coupling Tubular Member

#247
20080135250
2008-06-12

Method of sealing an annular space in a wellbore

#248
20080121436
2008-05-29

Downhole seal element formed from a nanocomposite material

#249
20080115939
2008-05-22

Radial Expansion of Tubular Members

#250
20080110628
2008-05-15

Method of Sealing an Annular Space in a Wellbore

#251
20080087418
2008-04-17

Pipeline

#252
20080061510
2008-03-13

Forming a metal-to-metal seal in a well

#253
20080032901
2008-02-07

Subsurface reactive sealant product

#254
20080023205
2008-01-31

System and method for maintaining zonal isolation in a wellbore

#255
20070272405
2007-11-29

Ribbed sealing element and method of use

#256
20070271981
2007-11-29

APPARATUS FOR EXPANDING A TUBULAR MEMBER

#257
20070257441
2007-11-08

Sealing of a Wellbore Device in a Tubular Element

#258
20070240883
2007-10-18

Downhole tool

#259
20070235191
2007-10-11

Push/pull belleville stack for use with zertech MTM seal

#260
20070158081
2007-07-12

Expandable tubulars

#261
20070149412
2007-06-28

Oil-based insulating packer fluid

#262
20070056747
2007-03-15

Seal assembly energized with floating pistons

#263
20070017669
2007-01-25

Device and method of lining a wellbore

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Radial expansion of tubular members

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Radial expansion of tubular members

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Radial expansion of tubular members

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Radial expansion of tubular members

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Radial expansion of tubular members

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