ClassID:

135503

E21B33/129 - CPC Classification

Classification description:

Sealing or packing boreholes or wells in the borehole; Packers; Plugs with mechanical slips for hooking into the casing

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

SEAL AND ANCHOR FOR EXPANDABLE LINER HANGERS

#2
20260028892
2026-01-29

DOWNHOLE TOOLS AND SYSTEMS AND RELATED METHODS OF USE

#3
20260022621
2026-01-22

METHODS AND SYSTEMS FOR SELECTIVELY RESTRICTING FLUID FLOWING THROUGH A DOWNHOLE TOOL

#4
20250376909
2025-12-11

DOWNHOLE TOOL HAVING CONE SUPPORTED INSERTS WITH SERIAL WIDE TEETH

#5
20250369300
2025-12-04

DEGRADABLE DELIVERY DEVICES TO FACILITATE DISSOLUTION OF DEGRADABLE DOWNHOLE TOOLS

#6
20250369299
2025-12-04

DEGRADABLE DELIVERY DEVICES TO FACILITATE DISSOLUTION OF DEGRADABLE DOWNHOLE TOOLS

#7
20250354448
2025-11-20

Apparatus To Move An Object In An Open Hole Section of A Wellbore

#8
20250277420
2025-09-04

SPLICE FREE FEEDTHROUGH MECHANICAL PACKER

#9
20250215765
2025-07-03

ALL-METAL DISSOLVABLE BALL SEAT FOR SELF-COMPENSATING FRACTURING

#10
20250179892
2025-06-05

DOWNHOLE PLUG

#11
20250179889
2025-06-05

EXPANDABLE SPIRAL THREADED APPARATUS AND METHOD FOR ANCHORING A DOWNHOLE TOOL TO A CASING, AND METHOD FOR ASSEMBLING THE APPARATUS

#12
20250146382
2025-05-08

COMPACT DOWNHOLE TOOL

#13
20250146381
2025-05-08

COMPACT DOWNHOLE TOOL

#14
20250146380
2025-05-08

COMPACT DOWNHOLE TOOL

#15
20250116169
2025-04-10

End of tubing carrier tool and method for releasably securing same to end of a tubular

#16
20250115986
2025-04-10

BORONIZED CORROSION RESISTANT ALLOY COMPONENT FOR HIGH PRESSURE AND HIGH TEMPERATURE OILFIELD APPLICATIONS

#17
20250092743
2025-03-20

Slimline stop collar with seal to prevent micro-annulus leakage

#18
20250067143
2025-02-27

MANDREL ASSEMBLIES FOR A PLUG AND ASSOCIATED METHODS

#19
20250059857
2025-02-20

SEAL AND ANCHOR FOR EXPANDABLE LINER HANGERS

#20
20250059849
2025-02-20

DOWNHOLE TOOL AND METHOD OF USE

#21
20240384621
2024-11-21

Monitoring integrity of downhole mechanical plug

#22
20240368959
2024-11-07

LINER HANGER SLIP RETENTION SYSTEM AND METHOD

#23
20240352814
2024-10-24

SLIP SYSTEM, METHOD AND BOREHOLE SYSTEM

#24
20240287869
2024-08-29

Frac plug device with an anchor mandrel assembly for a locked set configuration

#25
20240263539
2024-08-08

Expanding and collapsing apparatus having bookend seal cartridges

#26
20240247558
2024-07-25

ANNULAR PRESSURE ACTIVATED DOWNHOLE TOOL

#27
20240209714
2024-06-27

SEALING ELEMENT WITH SLOPED ENDS

#28
20240200416
2024-06-20

ANNULAR PRESSURE ACTIVATED DOWNHOLE TOOL

#29
20240167594
2024-05-23

SEAL RETAINING CONFIGURATION AND METHOD

#30
20240093569
2024-03-21

Methods and systems for a frac plug

#31
20240093568
2024-03-21

RETAINING BACKUP SYSTEM FOR FRAC PLUGS

#32
20240052720
2024-02-15

Downhole tool securing device and frac plug

#33
20240003218
2024-01-04

Methods and systems for a frac plug

#34
20240003216
2024-01-04

Expandable annular seal tool and system

#35
20230417120
2023-12-28

Systems for a Low Friction Slip Sleeve and Related Methods

#36
20230392469
2023-12-07

Downhole plug

#37
20230349259
2023-11-02

Compact downhole tool

#38
20230295995
2023-09-21

Packer shear bridge

#39
20230258051
2023-08-17

Hybrid composite and dissolvable downhole tool

#40
20230243221
2023-08-03

Annular pressure activated downhole tool

#41
20230220744
2023-07-13

Controlled deformation and shape recovery of packing elements

#42
20230212923
2023-07-06

RESETTABLE BACKUP AND SYSTEM

#43
20230203912
2023-06-29

Single slip frac tool

#44
20230203911
2023-06-29

Single slip frac tool

#45
20230184056
2023-06-15

Method and Apparatus for a plug including a radial and collapsible gap within the continuous expandable sealing ring.

#46
20230175330
2023-06-08

Anchor mechanism

#47
20230167705
2023-06-01

Method and apparatus for a plug with a retractable pivoting mechanism for untethered object

#48
20230088389
2023-03-23

Wash tool

#49
20230075955
2023-03-09

Wellbore slip assembly

#50
20230072517
2023-03-09

Liner hanger slip retention system and method

#51
20230057678
2023-02-23

METHOD AND APPARATUS FOR CREATING AN ANNULAR SEAL IN A WELLBORE

#52
20230056451
2023-02-23

Method and apparatus for providing a ball-in-place plug activated by cup and internal continuous expansion mechanism

#53
20230015244
2023-01-19

Wellbore logging

#54
20220412186
2022-12-29

Dissolvable bridge plugs

#55
20220397014
2022-12-15

Combined actuation of slips and packer sealing element

#56
20220389789
2022-12-08

Methods and apparatus for providing a plug activated by cup and untethered object

#57
20220381107
2022-12-01

RAPID SETTING EXPANDABLE METAL

#58
20220356778
2022-11-10

Compact downhole tool

#59
20220333457
2022-10-20

DISSOLVABLE BRIDGE PLUGS

#60
20220298883
2022-09-22

Cone for a downhole tool

#61
20220290517
2022-09-15

PRESSURE ENHANCED FRAC PLUG

#62
20220275701
2022-09-01

Packer assembly with slip system

#63
20220268126
2022-08-25

Single trip liner running and tie back system

#64
20220251914
2022-08-11

High-expansion anchor slip assembly for well tool

#65
20220228459
2022-07-21

Mandrel assemblies for a plug and associated methods

#66
20220145721
2022-05-12

Method and system for boosting sealing elements of downhole barriers

#67
20220136362
2022-05-05

Controlled deformation and shape recovery of packing elements

#68
20220136361
2022-05-05

Controlled deformation and shape recovery of packing elements

#69
20220136351
2022-05-05

Packer and method of isolating production zones

#70
20220120151
2022-04-21

Methods and apparatus for providing a plug with a two-step expansion

#71
20220056773
2022-02-24

Collapsible and retrievable setting apparatus and method of use

#72
20220049573
2022-02-17

Method and apparatus for providing a plug with a deformable expandable continuous ring creating a fluid barrier

#73
20220042393
2022-02-10

Dissolvable object with a cavity and a fluid entry point

#74
20220034188
2022-02-03

DISSOLVABLE, PROTECTIVE COVERING FOR DOWNHOLE TOOL COMPONENTS

#75
20210381334
2021-12-09

Sealing element support rings for downhole packers

#76
20210363854
2021-11-25

Isolation plugs for enhanced geothermal systems

#77
20210355781
2021-11-18

Bridge plug with multiple sealing elements

#78
20210340838
2021-11-04

SLIP WITH MULTI PIECE BUTTON AND SYSTEM

#79
20210332661
2021-10-28

Downhole tool with seal ring and slips assembly

#80
20210317720
2021-10-14

Plug, retaining member, and method for well completion using plug

#81
20210270099
2021-09-02

Slip assembly for a downhole tool

#82
20210238958
2021-08-05

Plug with a resettable closure member

#83
20210189816
2021-06-24

Slip and cone arrangement

#84
20210164319
2021-06-03

3D printed tool with integral stress concentration zone

#85
20210140268
2021-05-13

Degradable anchoring device with gavanic corrosion resistant component interface

#86
20210123310
2021-04-29

Expandable metal wellbore anchor

#87
20210115749
2021-04-22

Fracture Plug

#88
20210108474
2021-04-15

Anchor device

#89
20210087902
2021-03-25

Anchoring extrusion limiter for non-retrievable packers and composite frac plug incorporating same

#90
20210062609
2021-03-04

Degradable downhole plug

#91
20210054708
2021-02-25

Cutting a sidetrack window in a cased wellbore

#92
20210032955
2021-02-04

Anti-extrusion slip assemblies for a downhole sealing device

#93
20210025251
2021-01-28

Method for manufacturing dissolvable slip and dissolvable slip manufactured by same

#94
20210002973
2021-01-07

Plug assembly

#95
20200392808
2020-12-17

Compact downhole tool

#96
20200392807
2020-12-17

SLIPS WITH INTERNAL BUTTONS

#97
20200386070
2020-12-10

Plug, retaining member, and method for well completion using plug

#98
20200378211
2020-12-03

Resilient matrix suspension for frangible components

#99
20200347694
2020-11-05

Dissolvable bridge plugs

#100
20200340328
2020-10-29

Downhole tool with a slip insert having a hole

#101
20200340327
2020-10-29

Downhole plugging system

#102
20200332171
2020-10-22

Dissolvable fracking plug assembly

#103
20200291738
2020-09-17

Downhole tool and methods

#104
20200248520
2020-08-06

Fishing tool with electric release

#105
20200199997
2020-06-25

Liner top test tool

#106
20200173246
2020-06-04

Downhole tool with sealing ring

#107
20200157915
2020-05-21

Frac plug system having an integrated setting tool

#108
20200141207
2020-05-07

Slip insert for tool retention

#109
20200131882
2020-04-30

Downhole tool with recessed buttons

#110
20200095839
2020-03-26

Degradable Components and Tools

#111
20200072008
2020-03-05

Setting tool having a ball carrying assembly

#112
20200040694
2020-02-06

DOWNHOLE TOOL AND METHOD OF USE

#113
20200018131
2020-01-16

Downhole anchor mechanism

#114
20190368306
2019-12-05

Downhole tool and method of use

#115
20190368272
2019-12-05

Pneumatic drilling with packer slideable along stem drill rod

#116
20190353006
2019-11-21

TOOLS AND METHODS FOR USE IN COMPLETION OF A WELLBORE

#117
20190352999
2019-11-21

Filament-reinforced composite material with load-aligned filament windings

#118
20190338605
2019-11-07

Slip arrangement

#119
20190330941
2019-10-31

Reverse circulation well tool

#120
20190330940
2019-10-31

Reverse circulation well tool

#121
20190323306
2019-10-24

Retrievable self-energizing top anchor tool

#122
20190316441
2019-10-17

TOOLS AND METHODS FOR USE IN COMPLETION OF A WELLBORE

#123
20190292873
2019-09-26

Downhole tool and method of use

#124
20190284905
2019-09-19

Systems and methods for smart well bore clean out

#125
20190249514
2019-08-15

Downhole tool with fingered member

#126
20190234187
2019-08-01

Cased bore tubular drilling and completion system and method

#127
20190226311
2019-07-25

Methods and electrically-actuated apparatus for wellbore operations

#128
20190226301
2019-07-25

Reverse circulation debris removal tool for setting isolation seal assembly

#129
20190211646
2019-07-11

SLIP RING SEGMENT FOR DOWNHOLE TOOL

#130
20190203557
2019-07-04

Ball energized frac plug

#131
20190203556
2019-07-04

Tool Having an Integral Premature Deployment Guard

#132
20190186232
2019-06-20

Packing element booster with ratchet mechanism

#133
20190169951
2019-06-06

EXTENDED REACH PLUG HAVING DEGRADABLE ELEMENTS

#134
20190162032
2019-05-30

Downhole tool and method of use

#135
20190153808
2019-05-23

PLUG SLIP RING WITH RETAINING MECHANISM AND METHOD

#136
20190145219
2019-05-16

Methods and systems for a bridge plug

#137
20190145218
2019-05-16

Apparatus and method for isolating flow through wellbore

#138
20190136658
2019-05-09

Molded composite slip of sheet molded compound for downhole tool

#139
20190112891
2019-04-18

Anti-extrusion assembly for a downhole tool

#140
20190093448
2019-03-28

Self-removing plug for pressure isolation in tubing of well

#141
20190093446
2019-03-28

Hydraulic device and method for locating and sealing holes or cracks in oil well production tubing

#142
20190078416
2019-03-14

3D printed tool with integral stress concentration zone

#143
20190078407
2019-03-14

SEAT ASSEMBLY FOR USE IN FRACTURING SUBSURFACE GEOLOGIC FORMATIONS

#144
20190063178
2019-02-28

SPLIT RING SLIPS , SLOTTED UNIBODY SLIPS, MULTI-SEGMENT INTERLOCKING SLIPS AND METHODS OF MAKING THE SAME

#145
20180363407
2018-12-20

Well abandonment tool and method of use

#146
20180334884
2018-11-22

UNLOADER VALVE ASSEMBLY

#147
20180328137
2018-11-15

Frac Plug with Retention Mechanism

#148
20180328136
2018-11-15

Frac plug with retention mechanisim

#149
20180328130
2018-11-15

Frac plug with retention mechanism

#150
20180291703
2018-10-11

DOWNHOLE TOOL AND METHOD OF USE

#151
20180283129
2018-10-04

Degradable grip

#152
20180274315
2018-09-27

Fingered member for a downhole tool

#153
20180274312
2018-09-27

Lost circulation zone isolating liner

#154
20180266205
2018-09-20

Downhole tool with an expandable sleeve

#155
20180266202
2018-09-20

Sealing apparatus and associated methods of manufacturing

#156
20180258722
2018-09-13

Downhole tools having controlled degradation

#157
20180245422
2018-08-30

Wellbore isolation devices with degradable slips and slip bands

#158
20180230765
2018-08-16

Well plug and bottom hole assembly

#159
20180202269
2018-07-19

Downhole tool including a resettable plug with a flow-through valve

#160
20180202268
2018-07-19

Expansion assembly, top anchor and method for expanding a tubular in a wellbore

#161
20180202257
2018-07-19

Mandrel for a Downhole Tool

#162
20180202256
2018-07-19

Apparatus for use in a fluid conduit

#163
20180187510
2018-07-05

TUBULAR TREATING SYSTEM

#164
20180187500
2018-07-05

Fingered member with dissolving insert

#165
20180187499
2018-07-05

Top set liner hanger and packer with hanger slips above the packer seal

#166
20180179886
2018-06-28

Apparatus for monitoring at least a portion of a wellbore

#167
20180179852
2018-06-28

Downhole tool and method of use

#168
20180179851
2018-06-28

Downhole tool and method of use

#169
20180171747
2018-06-21

IPacker Bridge Plug with Slips

#170
20180163503
2018-06-14

Downhole tools comprising aqueous-degradable sealing elements of thermoplastic rubber

#171
20180163492
2018-06-14

Friction-lock frac plug

#172
20180155998
2018-06-07

Downhole tool and method of use

#173
20180128074
2018-05-10

Testable isolation packer

#174
20180128073
2018-05-10

POWDER METAL GRIPPING ELEMENTS FOR SETTABLE DOWNHOLE TOOLS HAVING SLIPS

#175
20180119511
2018-05-03

Radially expandable ratcheting body lock ring for production packer release

#176
20180112489
2018-04-26

Perforation blocking sleeve for well restimulation

#177
20180073325
2018-03-15

Downhole tools containing ductile cementing materials

#178
20180073322
2018-03-15

Downhole tool and system, and method of use

#179
20180066486
2018-03-08

Top set liner hanger and packer with hanger slips above the packer seal

#180
20180030807
2018-02-01

Downhole tool with an expandable sleeve

#181
20180023368
2018-01-25

Wedge slip travel stop

#182
20180023364
2018-01-25

Capture method for flow back retrieval of borehole plug with a lower slip assembly

#183
20180023363
2018-01-25

Flow back retrieval method for borehole plug with a lower slip assembly through tubulars of different sizes

#184
20180023357
2018-01-25

Gripping arrangement

#185
20180016862
2018-01-18

Annulus isolation in drilling/milling operations

#186
20180010418
2018-01-11

Downhole tool and method of use

#187
20180010417
2018-01-11

Downhole tool and method of use

#188
20180010413
2018-01-11

Plug of extended reach

#189
20170362912
2017-12-21

Frac plug with retention mechanism

#190
20170356274
2017-12-14

Systems And Methods For Multi-Zone Power And Communications

#191
20170356268
2017-12-14

Apparatus and Method for Sealing a Tubular Section

#192
20170342798
2017-11-30

Hybrid bridge plug

#193
20170342794
2017-11-30

Composite Body Lock Ring for a Borehole Plug with a Lower Slip Assembly

#194
20170335652
2017-11-23

Treatment plug, method of anchoring and sealing the same to a structure and method of treating a formation

#195
20170335650
2017-11-23

System and method for downhole operations

#196
20170314364
2017-11-02

TOOLS AND METHODS FOR USE IN COMPLETION OF A WELLBORE

#197
20170314361
2017-11-02

Configurable bridge plug apparatus and method

#198
20170284166
2017-10-05

Solid-core filament-wound composite mandrel

#199
20170275972
2017-09-28

Method and tool for perforating a wellbore casing in a formation using a sand jet, and using such tool to further frac the formation

#200
20170268320
2017-09-21

Methods and electrically-actuated apparatus for wellbore operations

#201
20170268310
2017-09-21

Dissolvable plug assembly

#202
20170268301
2017-09-21

Downhole slip apparatus

#203
20170260825
2017-09-14

Wellbore isolation device with slip assembly

#204
20170234101
2017-08-17

Vee ramp slips with plug

#205
20170218726
2017-08-03

Wellbore lateral liner placement system

#206
20170218713
2017-08-03

Coatings for a degradable wellbore isolation device

#207
20170218711
2017-08-03

Slips for downhole sealing device and methods of making the same

#208
20170218710
2017-08-03

Reverse circulation well tool

#209
20170204697
2017-07-20

Downhole tools comprising sealing elements composed of elastomer and anhydrous acid particles

#210
20170183931
2017-06-29

Fracking tool further having a dump port for sand flushing, and method of fracking a formation using such tool

#211
20170130552
2017-05-11

Seal arrangement

#212
20170122049
2017-05-04

Downhole tool and system, and method of use

#213
20170122048
2017-05-04

Downhole tool and method of use

#214
20170096873
2017-04-06

Downhole tool with one-piece slip

#215
20170067312
2017-03-09

Downhole tools having non-toxic degradable elements

#216
20170058630
2017-03-02

Releasably locked debris barrier for a subterranean tool

#217
20170022781
2017-01-26

Downhole tool with an expandable sleeve

#218
20160369588
2016-12-22

Downhole tool having a mandrel with a relief point

#219
20160369585
2016-12-22

Seal pressure relaxation device prior to release of retrievable packer

#220
20160319633
2016-11-03

Methods of deployment for eutectic isolation tools to ensure wellbore plugs

#221
20160298423
2016-10-13

TOOLS AND METHODS FOR USE IN COMPLETION OF A WELLBORE

#222
20160298413
2016-10-13

Settable well tool method

#223
20160298404
2016-10-13

Positive locating feature of optiport

#224
20160290096
2016-10-06

Actuatable plug system for use with a tubing string

#225
20160290095
2016-10-06

Packer assembly with wing projection slips

#226
20160290090
2016-10-06

Downhole tools comprising aqueous-degradable sealing elements

#227
20160281458
2016-09-29

Retrievable downhole tool

#228
20160273287
2016-09-22

Packer release compaction joint

#229
20160265305
2016-09-15

Downhole system for use in a wellbore and method for the same

#230
20160258258
2016-09-08

Method and tool for perforating a wellbore casing in a formation using a sand jet, and using such tool to further frac the formation

#231
20160258253
2016-09-08

Interlocking and setting section for a downhole tool

#232
20160258245
2016-09-08

Packer assembly with thermal expansion buffers and isolation methods

#233
20160251941
2016-09-01

Self-propelled device for use in a subterranean well

#234
20160251928
2016-09-01

Degradable downhole tools comprising retention mechanisms

#235
20160251922
2016-09-01

External slip having expandable slots and a retainer

#236
20160251921
2016-09-01

Expandable slip system

#237
20160245039
2016-08-25

Slip configuration for downhole tool

#238
20160237776
2016-08-18

Downhole tool with one-piece slip

#239
20160230497
2016-08-11

Assisting retrieval of a downhole tool

#240
20160230486
2016-08-11

Latching assembly

#241
20160222755
2016-08-04

Tension release packer for a bottomhole assembly

#242
20160222752
2016-08-04

Downhole tools comprising aqueous-degradable elastomer sealing elements with carbodiimide

#243
20160222744
2016-08-04

Slip assembly

#244
20160201427
2016-07-14

Subterranean formation operations using degradable wellbore isolation devices

#245
20160201425
2016-07-14

Degradable wellbore isolation devices with varying fabrication methods

#246
20160201410
2016-07-14

Drilling apparatus and methods for reducing circulation loss

#247
20160177655
2016-06-23

Downhole tools comprising cast degradable sealing elements

#248
20160168945
2016-06-16

Radially expandable ratcheting body lock ring for production packer release

#249
20160168942
2016-06-16

DEPLOYABLE BAFFLE

#250
20160160590
2016-06-09

Single action, dual position, weight-down locating assembly

#251
20160145958
2016-05-26

Production packer-setting tool with electrical control line

#252
20160145957
2016-05-26

Downhole tool and method of use

#253
20160138363
2016-05-19

IPacker bridge plug with slips

#254
20160138362
2016-05-19

3-D PRINTED DOWNHOLE COMPONENTS

#255
20160138351
2016-05-19

Controlled pressure drilling system with flow measurement and well control

#256
20160123107
2016-05-05

Control interface for seal back-up/slip

#257
20160123106
2016-05-05

Retrieval of compressed packers from a wellbore

#258
20160123105
2016-05-05

Shear thickening fluid controlled tool

#259
20160123100
2016-05-05

Angled segmented backup ring

#260
20160115752
2016-04-28

Remedial second-stage cementing packer

#261
20160108690
2016-04-21

Downhole apparatus and method of use

#262
20160076324
2016-03-17

ANCHOR RING ASSEMBLY

#263
20160053591
2016-02-25

Downhole expandable tubular

#264
20160017687
2016-01-21

Mechanical hold-down assembly for a well tie-back string

#265
20160010429
2016-01-14

Tools and methods for use in completion of a wellbore

#266
20160010421
2016-01-14

Testable isolation packer

#267
20160003003
2016-01-07

Tools and methods for use in completion of a wellbore

#268
20150376978
2015-12-31

Millable plugging device

#269
20150368994
2015-12-24

Inserts having geometrically separate materials for slips on downhole tool

#270
20150361758
2015-12-17

Disintegrating packer slip/seal

#271
20150330178
2015-11-19

Travel stop for expansion tool to limit stress on a surrounding tubular

#272
20150330177
2015-11-19

Self-locking expandable seal activator

#273
20150330176
2015-11-19

Expandable seal with adjacent radial travel stop

#274
20150330175
2015-11-19

Expansion limiter for expandable seal

#275
20150322741
2015-11-12

Hard surfacing non-metallic slip components for downhole tools

#276
20150308217
2015-10-29

Downhole tool with one-piece slip

#277
20150308215
2015-10-29

Composite segmenting backup ring for a subterranean plug

#278
20150300121
2015-10-22

Degradable plug with friction ring anchors

#279
20150275618
2015-10-01

Through tubing bridge plug and installation method for same

#280
20150267502
2015-09-24

Downhole tool and method of use

#281
20150260008
2015-09-17

Retrievable downhole tool system

#282
20150260007
2015-09-17

Downhole tool and method of use

#283
20150260004
2015-09-17

Sealing a downhole tool

#284
20150252647
2015-09-10

STRESS-BUFFER RELEASE LEVER AND DOWNHOLE PLUGGING APPARATUS

#285
20150247388
2015-09-03

Expansion assembly, top anchor and method for expanding a tubular in a wellbore

#286
20150218904
2015-08-06

Multi-actuating plugging device

#287
20150198005
2015-07-16

Assisting retrieval of a downhole tool

#288
20150191992
2015-07-09

Mandrel for Re-pressurization and Downhole Plugging Apparatus

#289
20150191990
2015-07-09

Downhole tool and method of use

#290
20150184485
2015-07-02

Seat for a tubular treating system

#291
20150159450
2015-06-11

Composite slip for a downhole tool

#292
20150159449
2015-06-11

Downhole tool

#293
20150144330
2015-05-28

Subterranean formation methods and apparatus

#294
20150101796
2015-04-16

Downhole system for isolating sections of a wellbore

#295
20150090441
2015-04-02

Anchor mechanism for use in a well

#296
20150075783
2015-03-19

METHODS AND ELECTRICALLY-ACTUATED APPARATUS FOR WELLBORE OPERATIONS

#297
20150075774
2015-03-19

Frac plug with anchors and method of use

#298
20150075773
2015-03-19

Oil well plug and method of use

#299
20150068732
2015-03-12

Molded composite slip of sheet molded compound for downhole tool

#300
20150068729
2015-03-12

Composite slips for a frac plug