ClassID:

135600

E21B43/103 - 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; Setting of casings, screens, liners or the like in wells of expandable casings, screens, liners, or the like

Sub-classes:
Recent Application in this class:
#1
20260117629
2026-04-30

SEAL AND ANCHOR FOR EXPANDABLE LINER HANGERS

#2
20250369317
2025-12-04

NON-METALLIC EXPANDABLE TUBULAR

#3
20250320793
2025-10-16

FLUOROPLASTIC BASED LINER HANGERS FOR GEOTHERMAL AND CORROSIVE ENVIRONMENTS

#4
20250243755
2025-07-31

PINHOLE REPAIR METHOD USING EPOXY AND EXPANDABLE MESH

#5
20250137359
2025-05-01

SYSTEMS AND METHODS FOR ANCHORING A SUB-SURFACE COMPLETION UNIT IN A WELLBORE

#6
20250129691
2025-04-24

EXPANDABLE LINER HANGER ASSEMBLY HAVING ANCHOR KEY IN DOVETAIL GROOVE ON HANGER BODY

#7
20250122781
2025-04-17

System and method for deploying fiber optic cables with a cured-in-place pipe liner

#8
20250109666
2025-04-03

Two-Stage Expandable Liner Hanger

#9
20250084736
2025-03-13

ANNULAR BARRIER AND DOWNHOLE SYSTEM

#10
20250059857
2025-02-20

SEAL AND ANCHOR FOR EXPANDABLE LINER HANGERS

#11
20250043663
2025-02-06

A METHOD OF LINING A BOREHOLE, A SYSTEM AND COMPONENTS OF SAME

#12
20250027388
2025-01-23

ENHANCED EXPANDABLE LINER HANGER SUPPORT MECHANISM

#13
20250020045
2025-01-16

SELF-ENERGIZING SEAL FOR EXPANDABLE LINER HANGER

#14
20240384629
2024-11-21

LINER HANGER APPARATUS AND METHOD

#15
20240240527
2024-07-18

CONTROL LINE WITH SEAL ENHANCEMENT FEATURE, METHOD AND SYSTEM

#16
20240229614
2024-07-11

Expandable Liner Hanger With Robust Slips For Downhole Conditions With High Pressure Conditions

#17
20240191605
2024-06-13

Enhanced expandable liner hanger support mechanism

#18
20240151123
2024-05-09

Two-stage expandable liner hanger

#19
20240117716
2024-04-11

Liner hanger system

#20
20240060385
2024-02-22

AN EXPANDABLE EUTECTIC ALLOY BASED DOWNHOLE TOOL AND METHODS OF DEPLOYING SUCH

#21
20230417107
2023-12-28

Drill Bore Protection Device and Method

#22
20230416594
2023-12-28

Elastomer alloy for intelligent sand management

#23
20230407729
2023-12-21

Slip package with improved initial setting

#24
20230374890
2023-11-23

Expandable liner hanger assembly having one or more hardened sections

#25
20230358121
2023-11-09

Well conduit lining method and system

#26
20230349270
2023-11-02

ASYMMETRIC ANCHORING RIDGE DESIGN FOR EXPANDABLE LINER HANGER

#27
20230349269
2023-11-02

Expandable tubulars to isolate production casing

#28
20230323757
2023-10-12

Method for assembling a liner system

#29
20230313682
2023-10-05

Hole protection system and method for coal seam slotting and fracturing combined drainage

#30
20230220743
2023-07-13

Downhole expandable metal tubular

#31
20230167696
2023-06-01

Deploying a liner in a wellbore

#32
20230155178
2023-05-18

NON-AQUEOUS ELECTROLYTIC SOLUTION AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY USING THE SAME

#33
20230147260
2023-05-11

Downhole expandable tubular

#34
20230113807
2023-04-13

Methods of pre-testing expansion charge for selectively expanding a wall of a tubular, and methods of selectively expanding walls of nested tubulars

#35
20230103962
2023-04-06

Running tool for a downhole aparatus for patching a wall of conduit and a method of patching a conduit

#36
20230025125
2023-01-26

Method for sealing fractures in a subterranean well casing

#37
20220403716
2022-12-22

Expandable liner and method for running the same

#38
20220389788
2022-12-08

System and methodology to combine sand control and zonal isolation for artificial lift systems

#39
20220341319
2022-10-27

Wellbore tubular with local inner diameter variation

#40
20220178225
2022-06-09

Downhole flow controller

#41
20220170325
2022-06-02

FULL DEPTH DRILLING SYSTEM AND METHOD

#42
20220145712
2022-05-12

Expandable liner hanger

#43
20220106860
2022-04-07

Open-hole pressure tight multilateral junction

#44
20220098946
2022-03-31

Downhole positive displacement pump

#45
20220090457
2022-03-24

Expandable liner hanger system and methodology

#46
20220065099
2022-03-03

Closed-loop hydraulic drilling

#47
20220025742
2022-01-27

Continuous circulation and rotation for liner deployment to prevent stuck

#48
20210372238
2021-12-02

Thermal well heat carrier transport system and method for installation of the same

#49
20210348473
2021-11-11

Method of remediating leaks in a cement sheath surrounding a wellbore tubular

#50
20210348463
2021-11-11

Liner retrieval tool and method

#51
20210310339
2021-10-07

Systems for hanging structures in downhole environments

#52
20210230957
2021-07-29

Casing expander for well abandonment

#53
20210207452
2021-07-08

Non-aqueous electrolytic solution and non-aqueous electrolyte secondary battery using the same

#54
20210189842
2021-06-24

Pressure reducing metal elements for liner hangers

#55
20210164329
2021-06-03

Deploying a liner in a wellbore

#56
20210140263
2021-05-13

Wellbore isolation device

#57
20210131233
2021-05-06

Remotely operated isolation valve

#58
20210123328
2021-04-29

Intelligent landing profile

#59
20210108490
2021-04-15

Casing patch system

#60
20210108466
2021-04-15

Drilling bottom hole methods for loss circulation mitigation

#61
20210062587
2021-03-04

Drill bore protection device and method

#62
20200370383
2020-11-26

Liner hanger with hardened anchoring ridges

#63
20200332620
2020-10-22

Expandable eutectic alloy based downhole tool and methods of deploying such

#64
20200284124
2020-09-10

Expansion assembly for expandable liner hanger

#65
20200271228
2020-08-27

Method and system for fabrication of a metal cup for creating an annular seal within a wellbore

#66
20200263516
2020-08-20

NON-AQUEOUS ELECTROLYTIC SOLUTION AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY USING THE SAME

#67
20200256165
2020-08-13

Expandable liner

#68
20200208502
2020-07-02

Downhole remote trigger activation device for VLH big bore and mono bore configured running tools with programming logic

#69
20200199997
2020-06-25

Liner top test tool

#70
20200182024
2020-06-11

Liner installation with inflatable packer

#71
20200182023
2020-06-11

Running tool for an expandable tubular

#72
20200165892
2020-05-28

ANNULAR BARRIER

#73
20200149375
2020-05-14

Expandable liner hanger

#74
20200080401
2020-03-12

In situ expandable tubulars

#75
20200016695
2020-01-16

Device and method for joining metallic tubulars of drilling wells

#76
20190383111
2019-12-19

Morphable anchor

#77
20190284913
2019-09-19

Systems and methods for gravel packing wells

#78
20190264543
2019-08-29

In situ expandable tubulars

#79
20190249524
2019-08-15

Methods for hanging liner from casing and articles derived therefrom

#80
20190234160
2019-08-01

Device and method for the implementation of a reformable tubular structure made of composite material

#81
20190178063
2019-06-13

Well screen assembly with extending screen

#82
20190178049
2019-06-13

Plug and plug and abandonment system

#83
20190169967
2019-06-06

Downhole casing patch

#84
20190153822
2019-05-23

Remotely operated isolation valve

#85
20190100979
2019-04-04

Signal operated isolation valve

#86
20190049054
2019-02-14

Lining an internal wall of a conduit

#87
20190032443
2019-01-31

Forming inclusions in selected azimuthal orientations from casing section

#88
20180371866
2018-12-27

Packer

#89
20180340394
2018-11-29

TUBULAR ELEMENT WITH INCLINED SEALING LIPS AND PROCESS FOR APPLYING IT TO THE WALL OF A WELL

#90
20180328152
2018-11-15

Expandable device for use in a well bore

#91
20180320489
2018-11-08

Installation apparatus and method

#92
20180320477
2018-11-08

Method and Apparatus For Treating A Well

#93
20180274312
2018-09-27

Lost circulation zone isolating liner

#94
20180266205
2018-09-20

Downhole tool with an expandable sleeve

#95
20180230771
2018-08-16

Permeable lost circulation drilling liner

#96
20180195363
2018-07-12

Method and system for sealing an annulur space around an expanded well tubular

#97
20180187529
2018-07-05

Expanding well tubulars interconnected by pin-box assemblies optimized for expansion

#98
20180187528
2018-07-05

Method of expanding a tubular and expandable tubular

#99
20180187492
2018-07-05

Drilling bottom hole assembly for loss circulation mitigation

#100
20180171741
2018-06-21

Wellbore plug isolation system and method

#101
20180119852
2018-05-03

Expanding well tubulars interconnected by pin-box assemblies optimized for expansion

#102
20180119527
2018-05-03

Hybrid push and pull method and system for expanding well tubulars

#103
20180119515
2018-05-03

Method and system for inhibiting cement deposition in a jack and pull (JAP) expansion assembly

#104
20180119504
2018-05-03

Method and system for locking an upper end of an expanded tubular within a host casing

#105
20180100370
2018-04-12

Wellbore completion apparatus and methods utilizing expandable inverted seals

#106
20180094509
2018-04-05

Expandable liner hanger system and method

#107
20180087350
2018-03-29

In situ expandable tubulars

#108
20180087346
2018-03-29

Downhole packer element with propped element spacer

#109
20180087343
2018-03-29

Wellbore plug isolation system and method

#110
20180081468
2018-03-22

Downhole apparatus

#111
20180045016
2018-02-15

Packer

#112
20180010449
2018-01-11

Casing coupling having communication unit for evaluating downhole conditions

#113
20170342801
2017-11-30

Method and apparatus for treating a well

#114
20170335673
2017-11-23

System and methodology for coupling tubing

#115
20170328185
2017-11-16

Expanding a tubular element in a wellbore

#116
20170328170
2017-11-16

Annular barrier and annular barrier system

#117
20170328157
2017-11-16

Anchor system and method for use in a wellbore

#118
20170321525
2017-11-09

Hydraulic stimulation method and corresponding hydraulic stimulation device

#119
20170314371
2017-11-02

Couplings for expandable tubular

#120
20170314370
2017-11-02

Downhole method and apparatus

#121
20170226828
2017-08-10

Assembly and method for creating an expanded tubular element in a borehole

#122
20170191354
2017-07-06

Self-sealing perforating apparatus

#123
20170175482
2017-06-22

Extrusion-resistant seals for expandable tubular assembly

#124
20170167213
2017-06-15

Expandable tool having helical geometry

#125
20170159401
2017-06-08

EXPANDABLE TUBULAR ELEMENT BEARING ONE OR MORE SWELLING SEALS

#126
20170145782
2017-05-25

Casing expansion for well plugging

#127
20170145778
2017-05-25

System and method for creating a sealing tubular connection in a wellbore

#128
20170101847
2017-04-13

Downhole string for drilling through a low pressure zone

#129
20170045172
2017-02-16

Fluid pipe assembly including length compensator and related methods

#130
20170037711
2017-02-09

Methods for hanging liner from casing and articles derived therefrom

#131
20170022781
2017-01-26

Downhole tool with an expandable sleeve

#132
20160369587
2016-12-22

Downhole expandable metal tubular

#133
20160362967
2016-12-15

Apparatus and method for setting a liner

#134
20160362959
2016-12-15

Sealing a portion of a wellbore

#135
20160356130
2016-12-08

Methods for preserving zonal isolation within a subterranean formation

#136
20160348482
2016-12-01

Shallow ground water characterization system using flexible borehole liners

#137
20160326830
2016-11-10

Downhole expandable tubular

#138
20160312586
2016-10-27

Liner drilling using retrievable directional bottom-hole assembly

#139
20160312575
2016-10-27

METHOD OF FORMING A BORE

#140
20160312570
2016-10-27

Disappearing expandable cladding

#141
20160312557
2016-10-27

Disintegrating expand in place barrier assembly

#142
20160312537
2016-10-27

METHOD OF FORMING A BORE

#143
20160305225
2016-10-20

Lining of well bores with expandable and conventional liners

#144
20160281474
2016-09-29

Downhole method and apparatus

#145
20160281459
2016-09-29

Cementing a liner using reverse circulation

#146
20160265319
2016-09-15

Liner hanger setting tool and method for use of same

#147
20160265293
2016-09-15

Downhole system and method for fastening upper and lower casings via expandable metal sleeve

#148
20160251909
2016-09-01

Casing window assembly

#149
20160245052
2016-08-25

Downhole casing patch

#150
20160237778
2016-08-18

Permeable lost circulation drilling liner

#151
20160237763
2016-08-18

Method of centralising tubing in a wellbore

#152
20160160603
2016-06-09

Reverse circulation cementing system for cementing a liner

#153
20160138373
2016-05-19

Electronically-activated liner hangers and methods of setting same in wellbore

#154
20160130919
2016-05-12

Downhole pumping assembly and a downhole system

#155
20160108682
2016-04-21

Casing window assembly

#156
20160097262
2016-04-07

Morphing tubulars

#157
20160090818
2016-03-31

Remotely operated isolation valve

#158
20160053591
2016-02-25

Downhole expandable tubular

#159
20160053540
2016-02-25

Drilling apparatus

#160
20160032696
2016-02-04

Metal patch system

#161
20160032695
2016-02-04

Telemetry operated expandable liner system

#162
20160010426
2016-01-14

Method and apparatus for treating a well

#163
20150345249
2015-12-03

Morphable apparatus

#164
20150330200
2015-11-19

Apparatus and method for operating a device in a wellbore using signals generated in response to strain on a downhole member

#165
20150315882
2015-11-05

Expansion system

#166
20150315864
2015-11-05

Morphable anchor

#167
20150308240
2015-10-29

DOWNHOLE SETTING TOOL

#168
20150300154
2015-10-22

Barrier testing method

#169
20150285039
2015-10-08

Expandable well screens with slurry delivery shunt conduits

#170
20150267512
2015-09-24

Expandable tubular with integral centralizers

#171
20150267474
2015-09-24

Method and system for transporting a hydrocarbon fluid

#172
20150260019
2015-09-17

Expandable tubular and method of making same

#173
20150240589
2015-08-27

Tubular element with inclined sealing lips and process for applying it to the wall of a well

#174
20150226042
2015-08-13

Open hole expandable junction

#175
20150211332
2015-07-30

Signal operated isolation valve

#176
20150204144
2015-07-23

Apparatus and method for setting a liner

#177
20150198006
2015-07-16

Expandable tie back seal assembly

#178
20150159467
2015-06-11

Method and system for sealing an annulus enclosing a tubular element

#179
20150159464
2015-06-11

Expandable packer

#180
20150101832
2015-04-16

Forming inclusions in selected azimuthal orientations from a casing section

#181
20150075816
2015-03-19

Segmented ring assembly

#182
20150068764
2015-03-12

Expandable tool having helical geometry

#183
20150068733
2015-03-12

Expandable liner hanger with anchoring feature

#184
20150047857
2015-02-19

Combined casing system and method

#185
20150034337
2015-02-05

Liner hanger and method for installing a wellbore liner

#186
20150027726
2015-01-29

Downhole apparatus

#187
20140338886
2014-11-20

Smart Drop-off tool and hang-off tool for a logging string

#188
20140319783
2014-10-30

Expandable high pressure and high temperature seal

#189
20140318811
2014-10-30

Screen assembly

#190
20140311751
2014-10-23

Annular barrier and annular barrier system

#191
20140299331
2014-10-09

Expandable device for use in a well bore

#192
20140290933
2014-10-02

Debris barrier assembly

#193
20140262347
2014-09-18

Method for sealing of a borehole liner in an artesian well

#194
20140262346
2014-09-18

Method of installation of flexible borehole liner under artesian conditions

#195
20140262345
2014-09-18

Thick wall shouldered launcher

#196
20140262213
2014-09-18

Couplings for expandable tubular

#197
20140251638
2014-09-11

Tubular apparatus for making rigid tubular structures, and corresponding installation method

#198
20140251617
2014-09-11

Method and apparatus for removing unexpanded shoe

#199
20140238692
2014-08-28

High pressure tie back receptacle and seal assembly

#200
20140216759
2014-08-07

Deploying an expandable downhole seat assembly

#201
20140216758
2014-08-07

Deploying an expandable downhole seat assembly

#202
20140209326
2014-07-31

Methods and apparatus relating to expansion tools for tubular strings

#203
20140196914
2014-07-17

Apparatus and method of zonal isolation

#204
20140174763
2014-06-26

Liner hanger system

#205
20140166310
2014-06-19

EXPANDABLE LINER FOR OVERSIZED BASE CASING

#206
20140166284
2014-06-19

Completion system for accomodating larger screen assemblies

#207
20140158378
2014-06-12

Expandable tubular and method of making same

#208
20140158371
2014-06-12

Disconnecting tool

#209
20140145402
2014-05-29

Annular barrier with external seal

#210
20140131053
2014-05-15

Method and system for radially expanding a tubular element in a wellbore

#211
20140124199
2014-05-08

Tubular assembly and method of deploying a downhole device using a tubular assembly

#212
20140110136
2014-04-24

Downhole casing expansion tool and method of expanding casings using the same

#213
20140090857
2014-04-03

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

#214
20140076581
2014-03-20

Apparatus and a method for securing and sealing a tubular portion to another tubular

#215
20140076540
2014-03-20

Expandable screen by spring force

#216
20140060830
2014-03-06

Method and apparatus for treating a well

#217
20140054049
2014-02-27

Expandable packer

#218
20140054047
2014-02-27

Expandable liner hanger and method of use

#219
20140027118
2014-01-30

Expandable liner

#220
20140008082
2014-01-09

Tubular connection

#221
20140008081
2014-01-09

Tubular connection

#222
20130341005
2013-12-26

Downhole method and apparatus

#223
20130319691
2013-12-05

Expandable liner hanger and method of use

#224
20130319677
2013-12-05

Well completion

#225
20130312981
2013-11-28

Washover tieback method

#226
20130312954
2013-11-28

System for lining a wellbore

#227
20130306329
2013-11-21

Method and wellbore system

#228
20130292117
2013-11-07

Compliant sand screen

#229
20130292110
2013-11-07

Downhole apparatus, device, assembly and method

#230
20130284517
2013-10-31

Method and system for radially expanding a tubular element and directional drilling

#231
20130239643
2013-09-19

Method and system for radially expanding a tubular element

#232
20130233548
2013-09-12

Apparatus and method for completing a wellbore

#233
20130228344
2013-09-05

Apparatus and methods of running an expandable liner

#234
20130220644
2013-08-29

Enhanced expandable tubing run through production tubing and into open hole

#235
20130220643
2013-08-29

Expandable tubing run through production tubing and into open hole

#236
20130220642
2013-08-29

Expandable tubing run through production tubing and into open hole

#237
20130220641
2013-08-29

Expandable conical tubing run through production tubing and into open hole

#238
20130220606
2013-08-29

Screen assembly

#239
20130213669
2013-08-22

SYSTEM AND METHOD FOR RAIALLY EXPANDING A TUBULAR ELEMENT

#240
20130206426
2013-08-15

Expandable casing patch

#241
20130180715
2013-07-18

Methods and apparatus for cementing wells

#242
20130180094
2013-07-18

Method and apparatus for isolating tubing with a swellable seal

#243
20130160999
2013-06-27

Sealing system

#244
20130146308
2013-06-13

Support device of equipment inside a well, a process for fixing it and a process for placing such equipment

#245
20130146307
2013-06-13

TREATMENT PLUG AND METHOD OF ANCHORING A TREATMENT PLUG AND THEN REMOVING A PORTION THEREOF

#246
20130140022
2013-06-06

Method for repairing a liner hanger, device and blank for implementation thereof

#247
20130133901
2013-05-30

Apparatus and method for expanding tubulars in a wellbore

#248
20130098690
2013-04-25

Repaired wear and buckle resistant drill pipe and related methods

#249
20130098634
2013-04-25

Monobore expansion system—anchored liner

#250
20130098621
2013-04-25

Fracturing system

#251
20130075081
2013-03-28

Forming inclusions in selected azimuthal orientations from a casing section

#252
20130068478
2013-03-21

Permeable lost circulation drilling liner

#253
20130056228
2013-03-07

Annular seal for expanded pipe with one way flow feature

#254
20130048308
2013-02-28

Integrated continuous liner expansion method

#255
20130043049
2013-02-21

Apparatus for sealing off a part of a wall in a section drilled into an earth formation, and a method for applying the apparatus

#256
20130036591
2013-02-14

Swellable screen assembly

#257
20130014934
2013-01-17

Smart drop-off tool and hang-off tool for a logging string

#258
20130008645
2013-01-10

Intelligent well system and method

#259
20130000914
2013-01-03

Through tubing expandable frac sleeve with removable barrier

#260
20120312561
2012-12-13

Tubular assembly

#261
20120305253
2012-12-06

Sealing devices for sealing inner wall surfaces of a wellbore and methods of installing same in a wellbore

#262
20120298379
2012-11-29

Method and system for lining a section of a wellbore with an expandable tubular element

#263
20120298352
2012-11-29

Control screen assembly

#264
20120273237
2012-11-01

Expansion system for an expandable tubular assembly

#265
20120273236
2012-11-01

Expandable open-hole anchor

#266
20120267123
2012-10-25

Expandable packer

#267
20120267099
2012-10-25

System and method for deploying a downhole casing patch

#268
20120227957
2012-09-13

Expandable isolation packer

#269
20120205873
2012-08-16

Anchoring seal

#270
20120205872
2012-08-16

Extrusion-resistant seals for expandable tubular assembly

#271
20120205124
2012-08-16

System and method to expand tubulars below restrictions

#272
20120205091
2012-08-16

Stage tool

#273
20120193088
2012-08-02

Expandable Compliant Anchor/Seal

#274
20120181048
2012-07-19

Debris barrier assembly

#275
20120181017
2012-07-19

Expandable device for use in a well bore

#276
20120175105
2012-07-12

System and method for anchoring an expandable tubular to a borehole wall

#277
20120168977
2012-07-05

Process for the preparation of conformable materials for downhole screens

#278
20120160480
2012-06-28

System and method for anchoring an expandable tubular to a borehole wall

#279
20120152567
2012-06-21

Downhole release joint with radially expandable member

#280
20120152526
2012-06-21

System and method for anchoring an expandable tubular to a borehole wall

#281
20120145409
2012-06-14

High collapse resistance solid expandable technology

#282
20120145381
2012-06-14

Foldable composite tubular structure

#283
20120138314
2012-06-07

METHOD AND SYSTEM FOR RADIALLY EXPANDING A TUBULAR ELEMENT

#284
20120138313
2012-06-07

Removable insert for formation of a recess in a tubular by expansion

#285
20120125635
2012-05-24

Entry guide formation on a well liner hanger

#286
20120103596
2012-05-03

Down hole well tool with rolling means

#287
20120097391
2012-04-26

EXPANDABLE CASING PATCH

#288
20120073814
2012-03-29

EXPANSION AGAINST CEMENT FOR ZONAL ISOLATION

#289
20120067595
2012-03-22

Remotely operated isolation valve

#290
20120067594
2012-03-22

Signal operated isolation valve

#291
20120061097
2012-03-15

Pump down liner expansion method

#292
20120061078
2012-03-15

CEMENT AS ANCHOR FOR EXPANDABLE TUBING

#293
20120043135
2012-02-23

Method of forming a bore

#294
20120043134
2012-02-23

METHOD AND APPARATUS FOR CEMENTING DRILL STRINGS IN PLACE FOR ONE PASS DRILLING AND COMPLETION OF OIL AND GAS WELLS

#295
20120037381
2012-02-16

Anchor for use with expandable tubular

#296
20120031678
2012-02-09

Method of forming a bore

#297
20110278009
2011-11-17

Method of drilling a wellbore

#298
20110277299
2011-11-17

Method and apparatus for forming a tubular conduit

#299
20110266007
2011-11-03

METHOD OF RADIALLY EXPANDING A TUBULAR ELEMENT

#300
20110266004
2011-11-03

Annular barrier and annular barrier system