Patents-Review.com
ClassID:

135401 ⎘

E21B23/00 - CPC Classification

Classification description:

Apparatus for displacing, setting, locking, releasing, or removing tools, packers or the like in the boreholes or wells

Sub-classes:
Recent Application in this class:
#1
20260139580
2026-05-21

SLICK SENSOR ARRAY SYSTEM AND METHOD TO SEAL PRESSURE SENSORS

 #2
20260132695
2026-05-14

LEAK CONTAINMENT SYSTEM

 #3
20260125964
2026-05-07

DOWNHOLE TOOL AND SETTING SYSTEM FOR USE IN A WELLBORE

 #4
20260078646
2026-03-19

TONG ASSEMBLY POSITION ADJUSTMENT FOR THREADED CONNECTION ALIGNMENT

 #5
20260028891
2026-01-29

PACKER AND UNSEALING METHOD THEREOF

 #6
20250347193
2025-11-13

DOWNHOLE TOOL

 #7
20250347192
2025-11-13

DOWNHOLE BALL RELEASE DEVICE

 #8
20250314168
2025-10-09

HANGING PRODUCTION LOGGING TOOLS BELOW A CABLE DEPLOYED ELECTRIC SUBMERSIBLE PUMP

 #9
20250305380
2025-10-02

WELLHEAD SYSTEMS AND METHODS

 #10
20250270897
2025-08-28

DOWNHOLE TOOL INCLUDING A FREQUENCY FILTER BASED SWITCH SYSTEM CONFIGURED TO FILTER POWER BETWEEN A FIRST DOWNHOLE DEVICE AND A SECOND DOWNHOLE DEVICE

 #11
20250257615
2025-08-14

RETAINING RING, METHOD, AND SYSTEM

 #12
20250257614
2025-08-14

Smart Cable Release Tool

 #13
20250250872
2025-08-07

TRIPPING AND FILTRATION OBJECT, SYSTEM, AND METHOD

 #14
20250223881
2025-07-10

METHODS AND SYSTEMS FOR A FRAC PLUG

 #15
20250198262
2025-06-19

REUSABLE PERFORATING GUN SYSTEM AND METHOD

 #16
20250154842
2025-05-15

KNOCK-OFF PLUG, METHOD, AND SYSTEM

 #17
20250137339
2025-05-01

Methods and apparatus for retrieving a wireline using a release sub

 #18
20250137336
2025-05-01

WELL BARRIER AND METHOD

 #19
20250129687
2025-04-24

DOWNHOLE SETTING SYSTEM FOR USE IN A WELLBORE

 #20
20250129680
2025-04-24

DISSOLVABLE BALLAST FOR UNTETHERED DOWNHOLE TOOLS

 #21
20250109644
2025-04-03

DISSOLVABLE DOWNHOLE TOOLS

 #22
20250109643
2025-04-03

Composite Hollow Profiles For Downhole

 #23
20250084705
2025-03-13

PRODUCTION WELLBORE DEFLECTOR-LESS MULTILATERAL SYSTEM USING A GUIDANCE SUB

 #24
20250067136
2025-02-27

DOWNHOLE ROBOTS WITH DISSOLVABLE FAIL-SAFE BALLAST

 #25
20250052126
2025-02-13

INTEGRATED PLUGGING AND PERFORATING OPERATION SYSTEM

 #26
20250027408
2025-01-23

WIRELESS ELECTRICAL LOWER COMPLETION DEPLOYMENT

 #27
20250020183
2025-01-16

Bulk Metallic Glass (BMG) Springs For Downhole Applications

 #28
20250012155
2025-01-09

BIASER, METHOD AND SYSTEM

 #29
20250003303
2025-01-02

ECCENTRIC LINKAGE GRIPPER

 #30
20250003296
2025-01-02

SHOCK ABSORBER FOR A DOWNHOLE TOOL, AND RUNNING GEAR FOR DOWNHOLE SURVEYING

 #31
20240418057
2024-12-19

WIRELINE AUTOMATION SYSTEMS AND METHODS

 #32
20240401423
2024-12-05

MUDLINE SUSPENSION SYSTEM RUNNING TOOL WITH TILTED CIRCULATION PORTS

 #33
20240352813
2024-10-24

Anisotropic mechanical shear bolt

 #34
20240344405
2024-10-17

Travel Joint With Telescoping Control Lines

 #35
20240337175
2024-10-10

Electrical submersible pump Y-tool with permanent coiled tubing plug and millable ball valve

 #36
20240318516
2024-09-26

TUBING HANGER FOR WELLSITE

 #37
20240301759
2024-09-12

REPLACEABLE FLAPPER SEAT ASSEMBLY FOR A SAFETY VALVE IN A WELLBORE

 #38
20240301758
2024-09-12

Self-orienting casing entry tool, and system

 #39
20240295159
2024-09-05

SYSTEM AND METHOD FOR ATTACHING A POPPET TO AN ELECTROMECHANICAL ACTUATOR APPARATUS

 #40
20240287863
2024-08-29

Systems, devices and methods for orienting a production outlet of a subsea production tree

 #41
20240287857
2024-08-29

CONTRACTION JOINT FOR FIBER OPTICS INTELLIGENT COMPLETION

 #42
20240247585
2024-07-25

Calorimetric Control Of Downhole Tools

 #43
20240229582
2024-07-11

REPLACEABLE FLAPPER SEAT ASSEMBLY FOR A SAFETY VALVE IN A WELLBORE

 #44
20240218748
2024-07-04

Travel joint with telescoping control lines

 #45
20240200427
2024-06-20

Energy generation device for a pigging tool in a pipeline

 #46
20240167350
2024-05-23

SWAB RESISTANT SEAL TOOL AND SYSTEM

 #47
20240159144
2024-05-16

Calorimetric Control Of Downhole Tools

 #48
20240133255
2024-04-25

Replaceable flapper seat assembly for a safety valve in a wellbore

 #49
20240125196
2024-04-18

LEAK CONTAINMENT SYSTEM

 #50
20240117692
2024-04-11

Downhole tubing disconnect tool

 #51
20240093602
2024-03-21

UNTETHERED LOGGING DEVICES AND RELATED METHODS OF LOGGING A WELLBORE

 #52
20240093562
2024-03-21

Release lugs for a jarring device

 #53
20240084658
2024-03-14

WHIPSTOCK ASSEMBLY

 #54
20240076966
2024-03-07

Reusable perforating gun system and method

 #55
20240052715
2024-02-15

Asymmetric release device, method, and system

 #56
20240026752
2024-01-25

Dual position isolator seal

 #57
20240026743
2024-01-25

SYSTEM AND METHOD TO CONTROL AUTONOMOUS DEVICES

 #58
20240011361
2024-01-11

Eccentric linkage gripper

 #59
20230407716
2023-12-21

AUTONOMOUS TRACTOR USING COUNTER FLOW-DRIVEN PROPULSION

 #60
20230392451
2023-12-07

Centralizer with elongated rods

 #61
20230392450
2023-12-07

Centralizer with opposing hollow spring structure

 #62
20230383615
2023-11-30

Dissolvable ballast for untethered downhole tools

 #63
20230349248
2023-11-02

CONTROL MODULE FOR USE WITH A WELLBORE TOOL AND WELLBORE TOOLSTRING WITH CONTROL MODULE

 #64
20230340848
2023-10-26

Drill strings and related ball dropping tools

 #65
20230296001
2023-09-21

Wireline automation systems and methods

 #66
20230279730
2023-09-07

Oil country tubular goods casing coupling

 #67
20230258051
2023-08-17

Hybrid composite and dissolvable downhole tool

 #68
20230243233
2023-08-03

DOWNHOLE TOOL AND METHOD OF USE

 #69
20230235647
2023-07-27

MULTILATERAL JUNCTION WITH TWISTED MAINBORE AND LATERAL BORE LEGS

 #70
20230212920
2023-07-06

Object release device, method, and system

 #71
20230193710
2023-06-22

Open water recovery system and method

 #72
20230193709
2023-06-22

System, method and apparatus for orifice retention and replacement in a bottom hole assembly

 #73
20230184103
2023-06-15

Systems for a dissolvable material based downhole tool

 #74
20230116845
2023-04-13

Lock mechanism for bit run tool and replaceable blades

 #75
20230111850
2023-04-13

Charge pump for electric submersible pump (ESP) assembly with inverted shroud

 #76
20230105819
2023-04-06

GUIDE ASSEMBLY, METHOD AND SYSTEM

 #77
20230098383
2023-03-30

Force dissipation assembly for use with disconnect tools

 #78
20230081450
2023-03-16

System and method for attaching a poppet to an electromechanical actuator apparatus

 #79
20230078402
2023-03-16

Securing an internal assembly within a tool

 #80
20230057040
2023-02-23

Dual position isolator seal

 #81
20230038426
2023-02-09

Release lugs for a jarring device

 #82
20230016342
2023-01-19

Valve device and method

 #83
20230014780
2023-01-19

Dampening the actuation speed of a downhole tool

 #84
20220397022
2022-12-15

Systems and methods for a bypass plunger

 #85
20220389783
2022-12-08

Systems, devices and methods for orienting a production outlet of a subsea production tree

 #86
20220333458
2022-10-20

Modified casing buoyancy system and methods of use

 #87
20220316298
2022-10-06

Actuator, method and system

 #88
20220298875
2022-09-22

Setting and retrieval mechanism

 #89
20220290534
2022-09-15

Advanced rapid logging system

 #90
20220275709
2022-09-01

Guide sub for multilateral junction

 #91
20220259932
2022-08-18

Artificial lift assembly

 #92
20220243583
2022-08-04

Orienting a downhole tool in a wellbore

 #93
20220235622
2022-07-28

Methods of completing a well and apparatus therefor

 #94
20220228463
2022-07-21

Removable nozzle for a downhole valve

 #95
20220228457
2022-07-21

Isolation tool and methods of use thereof

 #96
20220195844
2022-06-23

Downhole debris removal apparatus including a modular knockout chamber

 #97
20220186593
2022-06-16

Electric submersible pump (ESP) deployment method and tools to accomplish method for oil wells

 #98
20220186562
2022-06-16

Whipstock with hinged taperface

 #99
20220162920
2022-05-26

Contingency release of mill from whipstock

 #100
20220154558
2022-05-19

Liner hanger running tool with preset protection

 #101
20220127937
2022-04-28

Reusable perforating gun system and method

 #102
20220127913
2022-04-28

Rotatable mandrel hanger

 #103
20220120152
2022-04-21

Upper head assembly for a core barrel

 #104
20220112800
2022-04-14

Removable real time clock battery assembly

 #105
20220081981
2022-03-17

Tubing hanger for wellsite

 #106
20220074277
2022-03-10

Methods and systems for disconnecting and reconnecting casing

 #107
20220018218
2022-01-20

Pass-through tapered nose tool

 #108
20220018217
2022-01-20

Pass-through tapered nose tool

 #109
20220011791
2022-01-13

Flow management systems and related methods for oil and gas applications

 #110
20220011790
2022-01-13

Flow management systems and related methods for oil and gas applications

 #111
20220010908
2022-01-13

Flow management systems and related methods for oil and gas applications

 #112
20220003066
2022-01-06

Actuating tool for actuating an auxiliary tool downhole in a wellbore

 #113
20220003064
2022-01-06

Cementing head apparatus

 #114
20210404289
2021-12-30

Packaging of a diode and SIDAC into an actuator or motor for downhole usage

 #115
20210404276
2021-12-30

Multi-tooth jaw, torque stopper device and repair kit thereof for preventing rotation of downhole tools suspended in wellbore casing

 #116
20210404275
2021-12-30

Hydraulic retrieving tool with drifting capabilities

 #117
20210396084
2021-12-23

Downhole device delivery and associated drive transfer system and method of delivering a device down a hole

 #118
20210388688
2021-12-16

Release lugs for a jarring device

 #119
20210372219
2021-12-02

Whipstock assembly

 #120
20210355773
2021-11-18

Single use setting tool for actuating a tool in a wellbore

 #121
20210333161
2021-10-28

Measuring strain throughout a directional well

 #122
20210332693
2021-10-28

Deployment of downhole sensors

 #123
20210332674
2021-10-28

Magnetic braking system and method for downhole turbine assemblies

 #124
20210332654
2021-10-28

Perturbation based well path reconstruction

 #125
20210310322
2021-10-07

Sleeve for downhole tools

 #126
20210293105
2021-09-23

Eccentric linkage gripper

 #127
20210285297
2021-09-16

Automated geosteering based on a distance to oil-water contact

 #128
20210277733
2021-09-09

Thrust driven tractor by fluid jetting

 #129
20210254456
2021-08-19

System and method to deploy and control autonomous devices

 #130
20210254419
2021-08-19

Downhole tool actuators and indexing mechanisms

 #131
20210246758
2021-08-12

Releasable alloy system and method for well management

 #132
20210238948
2021-08-05

Method of inserting a device in a subsea oil well, method of removing a device from a subsea oil well, and system for insertion and removal of a device in a subsea oil well

 #133
20210238932
2021-08-05

Oil country tubular goods casing coupling

 #134
20210222520
2021-07-22

Energy transfer mechanism for wellbore junction assembly

 #135
20210222504
2021-07-22

Downhole tool securable in a tubular string

 #136
20210207475
2021-07-08

METHOD FOR PACKAGING COMPONENTS, ASSEMBLIES AND MODULES IN DOWNHOLE TOOLS

 #137
20210180434
2021-06-17

Reusable perforating gun system and method

 #138
20210172306
2021-06-10

Downhole tool with a releasable shroud at a downhole tip thereof

 #139
20210172293
2021-06-10

HIGH-PRESSURE MULTILATERAL JUNCTION WITH MAINBORE AND LATERAL ACCESS AND CONTROL

 #140
20210172292
2021-06-10

Multilateral junction with twisted mainbore and lateral bore legs

 #141
20210172265
2021-06-10

Unitary lateral leg with three or more openings

 #142
20210170519
2021-06-10

Frequency modulation for magnetic pressure pulse tool

 #143
20210164307
2021-06-03

Artificial lift assembly

 #144
20210164306
2021-06-03

Frac plug setting tool with triggered ball release capability

 #145
20210148195
2021-05-20

Methods for well construction and completion

 #146
20210131209
2021-05-06

Downhole device including a fluid propulsion system

 #147
20210131208
2021-05-06

Method for reducing stick-slip logging tools

 #148
20210131195
2021-05-06

Releasable ratchet latch connector

 #149
20210115752
2021-04-22

Downhole setting system for use in a wellbore

 #150
20210108474
2021-04-15

Anchor device

 #151
20210095540
2021-04-01

Systems, devices and methods for orienting a production outlet of a subsea production tree

 #152
20210079746
2021-03-18

Locking collar stop

 #153
20210071481
2021-03-11

Downhole tool

 #154
20210041595
2021-02-11

In-situ calibration of borehole gravimeters

 #155
20210040804
2021-02-11

Ball lift sleeve and retrieval tool for oil and gas wells

 #156
20210032982
2021-02-04

Autonomous tool

 #157
20210032981
2021-02-04

Autonomous tool

 #158
20210017855
2021-01-21

Autonomous tool

 #159
20210010350
2021-01-14

Actuator for multilateral wellbore system

 #160
20200400013
2020-12-24

Autonomous tool

 #161
20200392810
2020-12-17

System and method for attaching a poppet to an electromechanical actuator apparatus

 #162
20200392803
2020-12-17

Autonomous through-tubular downhole shuttle

 #163
20200370391
2020-11-26

Swellable metal packer with porous external sleeve

 #164
20200340316
2020-10-29

Traversing across a wash-out zone in a wellbore

 #165
20200318460
2020-10-08

Wear bushing deployment and retrieval tool for subsea wellhead

 #166
20200270960
2020-08-27

Dart with changeable exterior profile

 #167
20200256168
2020-08-13

Digital perforation system and method

 #168
20200256166
2020-08-13

Reusable perforating gun system and method

 #169
20200256165
2020-08-13

Expandable liner

 #170
20200248536
2020-08-06

Electronic releasing mechanism

 #171
20200240224
2020-07-30

Methods and systems for disconnecting and reconnecting casing

 #172
20200240223
2020-07-30

Methods and systems for disconnecting casing

 #173
20200232291
2020-07-23

Downhole device delivery and associated drive transfer system and method of delivering a device down a hole

 #174
20200224533
2020-07-16

Segmented wireless production logging

 #175
20200217145
2020-07-09

Well logging assembly

 #176
20200208502
2020-07-02

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

 #177
20200208480
2020-07-02

Orienting sub for well instruments

 #178
20200200194
2020-06-25

Downhole tractor comprising an improved hydraulic system

 #179
20200199993
2020-06-25

EX CERTIFIED ROBOTIC SYSTEM WITH ENHANCED CORROSION RESISTANCE

 #180
20200199957
2020-06-25

Self-propelling perforating gun system

 #181
20200190929
2020-06-18

Advanced pulling prong

 #182
20200181994
2020-06-11

Coiled tubing drilling robot, robot system and process parameter control method thereof

 #183
20200173242
2020-06-04

Wireline adapter kit

 #184
20200165890
2020-05-28

Method of inserting a device in a subsea oil well, method of removing a device from a subsea oil well, and system for insertion and removal of a device in a subsea oil well

 #185
20200165877
2020-05-28

Roller reamer

 #186
20200141230
2020-05-07

ACOUSTIC DEVICE DEPLOYMENT SYSTEM

 #187
20200134271
2020-04-30

Active RFID tag arrangements for actuation of downhole equipment in well fluids

 #188
20200131872
2020-04-30

Plug retrieval and installation mechanism

 #189
20200115966
2020-04-16

Coiled tubing connector with internal anchor and external seal

 #190
20200102815
2020-04-02

Mechanical perforator with guide skates

 #191
20200095852
2020-03-26

Method and apparatus for rig-less deployment of electrical submersible pump systems

 #192
20200072008
2020-03-05

Setting tool having a ball carrying assembly

 #193
20200072007
2020-03-05

Hydraulically activated setting tool and method

 #194
20200048976
2020-02-13

Release lugs for a jarring device

 #195
20200040687
2020-02-06

Wellhead assembly and method

 #196
20200032601
2020-01-30

Electrically controlled propellant in subterranean operations and equipment

 #197
20200024915
2020-01-23

Propulsion unit for wellbore tractor tool

 #198
20200011150
2020-01-09

Releasable alloy system and method for well management

 #199
20190376356
2019-12-12

Modular force multiplier for downhole tools

 #200
20190368331
2019-12-05

Autonomous tractor using counter flow-driven propulsion

 #201
20190368290
2019-12-05

Autonomous tractor using counter flow-driven propulsion

 #202
20190352991
2019-11-21

Settable and unsettable device and method

 #203
20190352987
2019-11-21

Modular force multiplier for downhole tools

 #204
20190345770
2019-11-14

Downhole tool assembly advancement through wellbore

 #205
20190345769
2019-11-14

Rotational speed reduction in downhole tool assemblies

 #206
20190316433
2019-10-17

System for the operational and performance efficiency improvement of wireline tractors

 #207
20190316432
2019-10-17

Downhole Torqueing

 #208
20190316425
2019-10-17

Flow through wireline tool carrier

 #209
20190292862
2019-09-26

Actuation trigger

 #210
20190284900
2019-09-19

Valve device and method

 #211
20190277102
2019-09-12

Downhole tools and methods of controlling downhole tools

 #212
20190271197
2019-09-05

Mechanical-hydraulic integrated releasing device

 #213
20190257193
2019-08-22

Downhole test tool and method of use

 #214
20190249505
2019-08-15

Eccentric linkage gripper

 #215
20190242217
2019-08-08

Wear bushing deployment and retrieval tool for subsea wellhead

 #216
20190242205
2019-08-08

Hydraulically activated setting tool and method

 #217
20190226327
2019-07-25

Downhole test tool and method of use

 #218
20190226319
2019-07-25

Tool, system and a method for determining barrier and material quality behind multiple tubulars in a hydrocarbon wellbore

 #219
20190219072
2019-07-18

Downhole tractor comprising two or more hydrualic supply lines

 #220
20190186221
2019-06-20

OFFSHORE COILED TUBING SYSTEM

 #221
20190186213
2019-06-20

OFFSHORE COILED TUBING SYSTEM

 #222
20190169948
2019-06-06

Downhole tool actuators and indexing mechanisms

 #223
20190169947
2019-06-06

Systems and methods for a release device

 #224
20190169946
2019-06-06

Systems and methods for operating a downhole battery

 #225
20190136668
2019-05-09

Magnetic Downhole Tool And Related Subassemblies Having Mu-Metallic Shielding

 #226
20190136661
2019-05-09

Methods of completing a well and apparatus therefor

 #227
20190128075
2019-05-02

Oil country tubular goods casing coupling

 #228
20190112896
2019-04-18

Closeable sleeve assembly and method of use

 #229
20190112886
2019-04-18

Installation and retrieval of well pressure control device releasable assembly

 #230
20190085674
2019-03-21

Fracturing assembly with clean out tubular string

 #231
20190085658
2019-03-21

Downhole tool having an axially rotatable valve member

 #232
20190071950
2019-03-07

Method and apparatus for use in well abandonment

 #233
20190055801
2019-02-21

Traversing across a wash-out zone in a wellbore

 #234
20190048976
2019-02-14

Well tractor drive section with pairs of drive arm bearings mutually oppositely displaced from the centre line

 #235
20190040736
2019-02-07

Open smart completion

 #236
20190040698
2019-02-07

Slick line, fiber optic cable or tubing wellbore pulling tool and propulsion module

 #237
20190032432
2019-01-31

Retrieval system

 #238
20190032431
2019-01-31

Stop collar

 #239
20190003287
2019-01-03

Low load collet with multi-angle profile

 #240
20180371857
2018-12-27

Unseating tool for downhole standing valve

 #241
20180363830
2018-12-20

Method of providing a latch for pipeline remediation

 #242
20180363460
2018-12-20

Apparatus and method for testing an oil and/or gas well with a multiple-stage completion

 #243
20180363428
2018-12-20

Liner hanger assembly having running tool with expandable member and method

 #244
20180363425
2018-12-20

Force-activated thermal battery for use in a wellbore

 #245
20180363397
2018-12-20

Arm deployment system and method

 #246
20180363396
2018-12-20

APPARATUS, METHOD AND SYSTEM FOR REGULATING ANNULAR FLUID FLOW AROUND A TOOL STRING

 #247
20180363395
2018-12-20

PLUG SECUREMENT AND RUNNING ARRANGEMENT AND METHOD

 #248
20180347323
2018-12-06

Big bore running tool quick lock adaptor

 #249
20180340386
2018-11-29

Running tool for use with bearing assembly

 #250
20180340385
2018-11-29

Shifting tool resettable downhole

 #251
20180340384
2018-11-29

Shifting tool resettable downhole

 #252
20180328161
2018-11-15

Braking devices for drilling operations, and systems and methods of using same

 #253
20180305996
2018-10-25

Packers having controlled swelling and methods of manufacturing thereof

 #254
20180305993
2018-10-25

BUOYANCY CONTROL IN MONITORING APPARATUS

 #255
20180298707
2018-10-18

Downhole tool actuators and indexing mechanisms

 #256
20180283384
2018-10-04

Wireline-deployed ESP with self-supporting cable

 #257
20180283114
2018-10-04

Seal assembly running tools and methods

 #258
20180252075
2018-09-06

Shiftable isolation sleeve for multilateral wellbore systems

 #259
20180252066
2018-09-06

Downhole barrier delivery device

 #260
20180252064
2018-09-06

Release lugs for a jarring device

 #261
20180245428
2018-08-30

Remotely operated and multi-functional down-hole control tools

 #262
20180209238
2018-07-26

Cut to release packer extension

 #263
20180202250
2018-07-19

Gripping tool for removing a section of casing from a well

 #264
20180179870
2018-06-28

Direct well casing deployment of downhole blower system

 #265
20180163729
2018-06-14

Wellbore debris handler for electric submersible pumps

 #266
20180163504
2018-06-14

Methods of completing a well and apparatus therefor

 #267
20180155996
2018-06-07

Electrohydraulic movement of downhole components and method

 #268
20180155990
2018-06-07

Curbed links for wiring conduit

 #269
20180150660
2018-05-31

Radio frequency identification tag delivery system

 #270
20180149016
2018-05-31

Apparatus and method for preventing collisions while moving tubulars into and out of a wellhead

 #271
20180128072
2018-05-10

Finishing tool with inflatable overshot

 #272
20180128070
2018-05-10

DEGRADABLE DOWNHOLE TOOLS COMPRISING CELLULOSIC DERIVATIVES

 #273
20180119503
2018-05-03

Apparatus for use in a tractor in a wellbore and methods

 #274
20180106128
2018-04-19

Back pressure valve

 #275
20180100363
2018-04-12

DOWNHOLE TOOLS AND METHODS OF CONTROLLING DOWNHOLE TOOLS

 #276
20180080296
2018-03-22

MAGNETIC PULSE ACTUATION ARRANGEMENT HAVING A RELUCTANCE REDUCTION CONFIGURATION AND METHOD

 #277
20180073326
2018-03-15

Mineral extraction well seal

 #278
20180066502
2018-03-08

Method and apparatus for detecting plunger arrival

 #279
20180058154
2018-03-01

Releasable connection for a downhole tool string

 #280
20180045045
2018-02-15

Segmented wireless production logging

 #281
20180045007
2018-02-15

Magnetic pulse actuation arrangement for downhole tools and method

 #282
20180045006
2018-02-15

Magnetic pulse actuation arrangement for downhole tools and method

 #283
20180045005
2018-02-15

Hydraulic disconnect tool

 #284
20180045004
2018-02-15

Low profile remote trigger for hydrostatically set borehole tools

 #285
20180043463
2018-02-15

Frequency modulation for magnetic pressure pulse tool

 #286
20180030797
2018-02-01

Downhole stroking tool

 #287
20180029209
2018-02-01

Pivoting removal tool

 #288
20180023387
2018-01-25

Telemetry operated running tool

 #289
20180023368
2018-01-25

Wedge slip travel stop

 #290
20180023358
2018-01-25

Downhole actuator device, apparatus, setting tool and methods of use

 #291
20180002993
2018-01-04

Wear bushing retrieving system and method

 #292
20170350191
2017-12-07

Steering system and method

 #293
20170342804
2017-11-30

Flow control valve

 #294
20170328168
2017-11-16

Releasable ratchet device

 #295
20170328134
2017-11-16

System for Extended Use in High Temperature Wellbore

 #296
20170321506
2017-11-09

Fracturing plug and method of fracturing a formation

 #297
20170314370
2017-11-02

Downhole method and apparatus

 #298
20170306747
2017-10-26

Down hole surveying

 #299
20170306717
2017-10-26

Method and apparatus for use in well abandonment

 #300
20170292338
2017-10-12

Sealed downhole equipment and method for fabricating the equipment