ClassID:

135280

E21B15/00 - CPC Classification

Classification description:

Other equipment or details for drilling; Well equipment or well maintenance

Sub-classes:
Recent Application in this class:
#1
20260139509
2026-05-21

RIG FOR WELLBORE OPERATIONS

#2
20260055676
2026-02-26

WELL RIG WITH TUBING ANTI-BUCKLING SYSTEM AND METHOD

#3
20260055670
2026-02-26

MOBILE RIG TO WELL SECUREMENT SYSTEM AND METHOD

#4
20260043312
2026-02-12

CONVERSION OF A CARRIER SERVICE RIG TO A TRAILER SERVICE RIG

#5
20250305375
2025-10-02

MODULAR WELL TUBULAR HANDLING SYSTEM AND METHOD OF USE

#6
20250223139
2025-07-10

DUAL LINE DRAWWORKS

#7
20250146384
2025-05-08

DRILLING RIG WITH ATTACHED LIGHTING SYSTEM AND METHOD

#8
20250129678
2025-04-24

END EFFECTORS FOR AUTOMATED PIPE HANDLING

#9
20250122776
2025-04-17

Wireline Derrick, System, and Process

#10
20250052126
2025-02-13

INTEGRATED PLUGGING AND PERFORATING OPERATION SYSTEM

#11
20250052118
2025-02-13

Traveling plate guide system

#12
20250019986
2025-01-16

LOAD DISPERSION-TYPE INDOOR LIFTING APPARATUS FOR PREFABRICATED STEEL STRUCTURE AND METHOD OF INSTALLING PREFABRICATED STEEL STRUCTURE BY USING SAME

#13
20240392636
2024-11-28

DETACHABLE DIVING BOARD FOR DRILLING RIG

#14
20240392635
2024-11-28

RACKING BOARD SYSTEMS AND METHODS

#15
20240384611
2024-11-21

OVERHEAD ROBOT TRACK APPARATUS AND METHODS RELATED TO SAME FOR RIGS

#16
20240318521
2024-09-26

DEVICES, SYSTEMS, AND METHODS FOR RETRIEVING INNER TUBES

#17
20240191580
2024-06-13

SYSTEMS AND METHODS FOR TUBULAR ELEMENT HANDLING

#18
20240175277
2024-05-30

Load dispersion-type indoor lifting apparatus for prefabricated steel structure and method of installing prefabricated steel structure by using same

#19
20240123519
2024-04-18

Drilling Jig Assembly

#20
20240079930
2024-03-07

GENERATING ELECTRICITY WITH A MAGNETIC DRILL PIPE

#21
20240068330
2024-02-29

DRILLING RIG WITH ATTACHED LIGHTING SYSTEM AND METHOD

#22
20240026674
2024-01-25

MODULAR WELL CELLAR

#23
20240018833
2024-01-18

Automated apparatus for oil field drilling and workover operations

#24
20230160268
2023-05-25

Method and Apparatus for Handling Drill Tubes

#25
20230145409
2023-05-11

TELESCOPING TORQUE REACTION TRACK DEVICE

#26
20230123401
2023-04-20

Drilling rig with attached lighting system and method

#27
20230086326
2023-03-23

Work platform and method for well operations

#28
20230060029
2023-02-23

Systems and method to protect a drilling rig

#29
20220357028
2022-11-10

Lightweight LED lighting systems for permanent and semi-permanent mounting on elevated structures having integrated support and thermal transfer features

#30
20220349277
2022-11-03

Drilling rig with attached lighting system and method

#31
20220349268
2022-11-03

High-capacity mast on a drilling rig

#32
20220307373
2022-09-29

Underground drilling rig and method for erecting same

#33
20220251906
2022-08-11

MEASURING LOAD ON A DRILLING DERRICK DURING OPERATIONS

#34
20220243456
2022-08-04

Mast assembly for drilling rig

#35
20220243419
2022-08-04

Mobile foundation for tower cranes and fast-erecting cranes

#36
20220178215
2022-06-09

Pipe handling arm

#37
20220154533
2022-05-19

Mast for drilling machines

#38
20220127915
2022-04-28

Coil structure

#39
20220099152
2022-03-31

Shock absorber stand

#40
20220098930
2022-03-31

Inclination-based levelling system

#41
20220090482
2022-03-24

Automatic drilling hoist speed

#42
20220090472
2022-03-24

Subsea field architecture

#43
20220056791
2022-02-24

Intelligent oil extraction system using all-metal screw pump

#44
20220034176
2022-02-03

Guide arm

#45
20220025715
2022-01-27

Pipe handling system and method

#46
20210381344
2021-12-09

Drilling rig with attached lighting system and method

#47
20210355763
2021-11-18

Drilling rig with drawworks proximate to the operating side of the mast

#48
20210347616
2021-11-11

Mast safety system

#49
20210340824
2021-11-04

Systems and methods for tubular element handling

#50
20210293110
2021-09-23

Flange system

#51
20210293099
2021-09-23

End effectors for automated pipe handling

#52
20210293097
2021-09-23

Assembly for supporting cables in deployed tubing

#53
20210262318
2021-08-26

Drilling rig with attached lighting system and method

#54
20210254361
2021-08-19

Systems and method for adjusting a drilling rig

#55
20210215002
2021-07-15

Drillable centering guides used to drill a large diameter water well

#56
20210198958
2021-07-01

Method and apparatus for handling drill tubes

#57
20210180411
2021-06-17

Articulated support for a drilling mast of a drilling machine and related drilling machine

#58
20210163066
2021-06-03

Drilling rig

#59
20210148385
2021-05-20

Electrically actuated valves for manifold trailers or skids

#60
20210131198
2021-05-06

Catwalk tubular measurement and method of use

#61
20210131056
2021-05-06

Pumping unit bases with driven piles

#62
20210062533
2021-03-04

Side saddle drilling rigs

#63
20210054700
2021-02-25

Multifunction handler for handling drilling elements in a drilling rig, drilling rig and related methods for handling drilling elements

#64
20210054645
2021-02-25

Systems and method for adjusting a drilling rig

#65
20210040763
2021-02-11

Mast coupling assembly for a mobile drilling machine

#66
20210025580
2021-01-28

Lightweight led lighting systems for permanent and semi-permanent mounting on elevated structures having integrated support and thermal transfer features

#67
20210025263
2021-01-28

Multi-well bop cellar trailer

#68
20200386052
2020-12-10

Assembly for moving excavation or drilling equipment and actuating method therefor

#69
20200385948
2020-12-10

Construction device and method for operating a construction device

#70
20200362647
2020-11-19

Integrated Snubbing Operating Platform

#71
20200347684
2020-11-05

Rotational Lock for Fluid Sleeve Surrounding a Tubular String from Fixed Portion of a Top Drive

#72
20200332610
2020-10-22

Pipe handler and pipe loader for a well rig

#73
20200332609
2020-10-22

Catwalk System

#74
20200325730
2020-10-15

Automated drilling/service rig apparatus

#75
20200318469
2020-10-08

Civil engineering underground equipment and method for operating civil engineering underground equipment

#76
20200318461
2020-10-08

Orientation measurements for rig equipment

#77
20200308911
2020-10-01

Guidance systems and apparatus for power swivel

#78
20200284100
2020-09-10

Side-saddle cantilever mast

#79
20200270968
2020-08-27

Assembly with two energy guide chains and adjustable fixed point

#80
20200232284
2020-07-23

Mast and substructure

#81
20200217153
2020-07-09

Bit change mechanism for a drill rig

#82
20200199976
2020-06-25

Mobile well servicing system and method of using the same

#83
20200181988
2020-06-11

Drilling assemblies

#84
20200149307
2020-05-14

Side saddle drilling rigs

#85
20200123860
2020-04-23

High trip rate drilling rig

#86
20200115974
2020-04-16

Rotary head guide system for drilling machine

#87
20200080390
2020-03-12

Fingerboard

#88
20200072451
2020-03-05

METHOD AND APPARATUS FOR ILLUMINATION OF DRILLING RIGS AND SURROUNDING LOCATIONS

#89
20200071942
2020-03-05

WORK OVER PLATFORM APPARATUS AND METHOD

#90
20200049174
2020-02-13

Control System for a Control Valve

#91
20200040674
2020-02-06

Devices, systems, and methods for robotic pipe handling

#92
20200040673
2020-02-06

Devices, systems, and methods for top drive clearing

#93
20200024914
2020-01-23

Systems and methods for tubular element handling

#94
20200024908
2020-01-23

Mast assembly for drilling rig

#95
20200011353
2020-01-09

Mast with hydraulic circuit for assist cylinder

#96
20190383104
2019-12-19

Drill string testing system

#97
20190368279
2019-12-05

Shipping arrangement and assembly procedure for drilling rig structures

#98
20190360311
2019-11-28

Orientation measurements for rig equipment

#99
20190360284
2019-11-28

Mobile coiled tubing drilling apparatus

#100
20190360283
2019-11-28

Rotary drill head for coiled tubing drilling apparatus

#101
20190352992
2019-11-21

Flange system

#102
20190345795
2019-11-14

Apparatus and method for more efficiently scanning production tubing that incorporates a cable secured thereto

#103
20190345794
2019-11-14

APPARATUS AND METHOD FOR MORE EFFICIENTLY SCANNING PRODUCTION TUBING THAT INCORPORATES A CABLE SECURED THERETO

#104
20190338601
2019-11-07

BIDIRECTIONAL ECCENTRIC STABILIZER

#105
20190316421
2019-10-17

Drilling rig

#106
20190292851
2019-09-26

Tool carrier for a well rig

#107
20190277089
2019-09-12

WELLBORE DRILLING WITH A TROLLEY AND A TOP DRIVE DEVICE

#108
20190264514
2019-08-29

Wellbore drilling with a rotatable head clamp component

#109
20190256327
2019-08-22

Overhead crane with remotely located winch

#110
20190242200
2019-08-08

Cable-based heater and method of assembly

#111
20190242194
2019-08-08

Laterally movable mobile well servicing units and methods of use

#112
20190218868
2019-07-18

Wellbore drilling system

#113
20190203495
2019-07-04

Slingshot side saddle substructure

#114
20190195060
2019-06-27

Wellbore drilling with a top drive device

#115
20190186216
2019-06-20

Catwalk tubular measurement and method of use

#116
20190186206
2019-06-20

Feed beam and method of manufacturing the same

#117
20190186205
2019-06-20

Tool carrier for a well rig

#118
20190145224
2019-05-16

Driller's control station

#119
20190085660
2019-03-21

SAFETY PROTECTION APPARATUS FOR PERSONNEL ON OIL DRILLING DERRICKS

#120
20190078395
2019-03-14

Multi-functional drilling experiment platform

#121
20190078394
2019-03-14

System and method for noise, vibration, and light pollution management on rig systems

#122
20190063168
2019-02-28

High-capacity mast on a drilling rig

#123
20190063028
2019-02-28

Offshore apparatus and method

#124
20190024465
2019-01-24

Dual racking board drilling rig

#125
20190017326
2019-01-17

DYNAMIC BLOCK RETRACTION FOR DRILLING RIGS

#126
20190003271
2019-01-03

Pipe handler and pipe loader for a well rig

#127
20180347293
2018-12-06

Multi-mode hydraulic cylinder control system for hydraulic workover unit

#128
20180340376
2018-11-29

Gearbox guide assembly

#129
20180328112
2018-11-15

High trip rate drilling rig

#130
20180320401
2018-11-08

Slingshot side saddle substructure

#131
20180313165
2018-11-01

MASTED DRILL RIG WITH SYSTEM FOR APPLYING PUSH AND/OR PULL FORCE TO A TOOL

#132
20180298695
2018-10-18

Wellbore drilling with a trolley and a top drive device

#133
20180298694
2018-10-18

Servicing a top drive device of a wellbore drilling installation

#134
20180283420
2018-10-04

Control system for a control valve

#135
20180283110
2018-10-04

Multi-level deck system for blowout preventers

#136
20180283034
2018-10-04

Short stroke mast-raising system

#137
20180258665
2018-09-13

Slingshot side saddle substructure

#138
20180251970
2018-09-06

Drilling rig with self-elevating drill floor

#139
20180251952
2018-09-06

Auger connection mechanism

#140
20180245408
2018-08-30

Pipe stand transfer system

#141
20180230760
2018-08-16

Cable guide for drill line slip and cut operations on a drilling rig and related method for achieving a tensioned state of the drill line

#142
20180230709
2018-08-16

MODULAR DRILLING RIG SYSTEM AND METHOD FOR ASSEMBLING THE SAME

#143
20180223884
2018-08-09

Top drive torque restraint device

#144
20180216413
2018-08-02

Telescopic deployment mast

#145
20180202237
2018-07-19

Rig layout system

#146
20180195352
2018-07-12

Drill rod store, drilling rig and method for downward drilling

#147
20180187873
2018-07-05

Method and apparatus for illumination of drilling rigs and surrounding locations

#148
20180179833
2018-06-28

High efficiency drilling and tripping system

#149
20180163426
2018-06-14

Slingshot side saddle substructure

#150
20180149174
2018-05-31

Metering fluid to fluid actuators

#151
20180135363
2018-05-17

High trip rate drilling rig

#152
20180128056
2018-05-10

Side-saddle cantilever mast

#153
20180127943
2018-05-10

Pumping unit bases with driven piles

#154
20180100378
2018-04-12

Anchor spool

#155
20180093705
2018-04-05

Movable rig and steering system

#156
20180051521
2018-02-22

Work platform for coiled-tubing downhole operations

#157
20180030788
2018-02-01

Pipe handling apparatus

#158
20180023346
2018-01-25

Automated drilling/service rig apparatus

#159
20180016851
2018-01-18

Mast and substructure

#160
20180010399
2018-01-11

Removable drill floor

#161
20170370190
2017-12-28

Safety protection apparatus for personnel on oil drilling derricks

#162
20170362901
2017-12-21

Drilling rig stair tower with integrated utility lines and cable tray

#163
20170342780
2017-11-30

Torque track system

#164
20170335640
2017-11-23

Mobile coiled tubing reel unit, rig and arrangements thereof

#165
20170335591
2017-11-23

Guide rails for mobile drilling rig

#166
20170335589
2017-11-23

Guyless rig with outriggers

#167
20170328385
2017-11-16

Arrangement and method for connecting a hydraulic cylinder

#168
20170328081
2017-11-16

Fast transportable drilling rig system

#169
20170321500
2017-11-09

Wellbore drilling system

#170
20170314346
2017-11-02

Automatic auxiliary workover rig

#171
20170314287
2017-11-02

Methods for elevating drilling rig components with a strand jack

#172
20170284162
2017-10-05

Machine and method for earth-working

#173
20170268302
2017-09-21

Lower stabilizing arm for a drilling rig

#174
20170260769
2017-09-14

Tower lifting device for rotary blasthole drill

#175
20170254181
2017-09-07

Multi-well bop cellar trailer

#176
20170247902
2017-08-31

Drilling rig

#177
20170241234
2017-08-24

Safety valve handling apparatus for a well operation rig

#178
20170241126
2017-08-24

Drilling rig with self-elevating drill floor

#179
20170234119
2017-08-17

Adaptive leveling control system

#180
20170234088
2017-08-17

High trip rate drilling rig

#181
20170234087
2017-08-17

Bit change mechanism for a drill rig

#182
20170234086
2017-08-17

Mechanism for retaining bits on a blasthole drill

#183
20170234079
2017-08-17

Drilling rig and method of use

#184
20170198564
2017-07-13

Magnetometer mounting for isolation and interference reduction

#185
20170198529
2017-07-13

Support clamp

#186
20170175456
2017-06-22

Universal injection head system and method

#187
20170167208
2017-06-15

Semiautomated drill rod handling apparatus and method, hand-held haul plug spinner and haul plug combination and drill rod handling system with both

#188
20170167207
2017-06-15

TOOL CARRIER FOR A WELL RIG

#189
20170159378
2017-06-08

Moveable hoisting system

#190
20170145792
2017-05-25

Fall prevention safety device for head-carrying carriages of drilling machines

#191
20170145754
2017-05-25

Drill basket

#192
20170145749
2017-05-25

ADAPTED DRILLING EQUIPMENT PLATFORM WITH MOVABLE MECHANISM FOR HOISTING AND LOWERING TRANSPORT SYSTEM, AND SYSTEM FOR LIFTING AND LOWERING OVER THE WELL HEAD

#193
20170130539
2017-05-11

Drill rod handling system for moving drill rods to and from an operative position

#194
20170107735
2017-04-20

LAND-BASED RIG WITH ON-BOARD CRANE

#195
20170101833
2017-04-13

Drilling System Including a Pressure Intensifier

#196
20170101826
2017-04-13

Land drilling rig and methods of assembly

#197
20170096867
2017-04-06

System and method for delivering a tubular pipe segment to a drill rig floor

#198
20170096866
2017-04-06

X-Y-Z pipe racker for a drilling rig

#199
20170096832
2017-04-06

Cylinder alignment monitoring system for a mast or derrick

#200
20170067302
2017-03-09

SYSTEMS AND METHODS INCLUDING INTEGRATED HOISTING SYSTEMS

#201
20170044849
2017-02-16

Rod rotation apparatus

#202
20170043984
2017-02-16

Rig mast and related components

#203
20170030152
2017-02-02

Self-aligning apparatus

#204
20170023195
2017-01-26

Lighting systems for drilling rig

#205
20170022787
2017-01-26

Adjustable containment envelope

#206
20170002612
2017-01-05

ACTIVE MONITORING OF ALIGNMENT OF RIG COMPONENT

#207
20160376808
2016-12-29

Drilling rig column racker and methods of erecting same

#208
20160369629
2016-12-22

Center-pillared full-face shaft drilling machine

#209
20160369566
2016-12-22

Vertical shaft drilling rig using novel drilling method

#210
20160369523
2016-12-22

Drilling rig system with self-elevating drill floor

#211
20160356106
2016-12-08

Drill rod alignment device and systems and methods of using same

#212
20160356094
2016-12-08

Drilling rig equipment platform

#213
20160340986
2016-11-24

Mobile coiled tubing reel unit, rig and arrangements thereof

#214
20160312548
2016-10-27

Drilling rig carriage movable along racks and including pinions driven by electric motors

#215
20160312543
2016-10-27

Method and apparatus for erecting a drilling rig

#216
20160298394
2016-10-13

Slingshot side saddle substructure

#217
20160258225
2016-09-08

Blowout preventer trolley

#218
20160258215
2016-09-08

Mast leg pulley

#219
20160258178
2016-09-08

Mast transport skid

#220
20160251906
2016-09-01

Telescopic mast for drilling and associated drilling rig

#221
20160251870
2016-09-01

Drilling rig mast erection system

#222
20160251869
2016-09-01

Methods and apparatuses for elevating drilling rig components with a strand jack

#223
20160237757
2016-08-18

Transportable equipment platform

#224
20160222733
2016-08-04

TORQUE STABILIZATION FOR A RIG MAST

#225
20160200401
2016-07-14

Monohull offshore drilling vessel

#226
20160130877
2016-05-12

Drilling Rig

#227
20160102508
2016-04-14

AUTOMATED BOOTSTRAP QUAD-MAST RIG

#228
20160090796
2016-03-31

Wellbore drilling system

#229
20160090786
2016-03-31

Top drive well drilling installation

#230
20160076310
2016-03-17

Telescopic mini-rig

#231
20160060965
2016-03-03

Apparatus and methods for downhole tool deployment for well drilling and other well operations

#232
20160060893
2016-03-03

Modular drilling rig system and method for assembling the same

#233
20160052441
2016-02-25

Transportable drilling rig system

#234
20160046529
2016-02-18

Polymer Derived Ceramic Equipment for the Exploration and Recovery of Resources

#235
20160040491
2016-02-11

Fluid coupling drive system for a drill rig air compressor

#236
20160017629
2016-01-21

Fast transportable drilling rig system

#237
20160017628
2016-01-21

Fast transportable drilling rig system

#238
20160017627
2016-01-21

Fast transportable drilling rig system

#239
20160002947
2016-01-07

Modular drilling rig system

#240
20160002946
2016-01-07

Modular drilling rig system

#241
20150376962
2015-12-31

Mobile service rig with integrate pipe handling assembly

#242
20150369034
2015-12-24

Device and method for fast deployment of downhole tool

#243
20150308099
2015-10-29

Tension Link for Drill Floor Substructure Assembly

#244
20150300128
2015-10-22

Safety protection apparatus for personnel on oil drilling derricks

#245
20150300104
2015-10-22

System and method for raising and lowering a drill floor mountable automated pipe racking system

#246
20150300091
2015-10-22

Collapsible substructure for a mobile drilling rig

#247
20150300038
2015-10-22

Mobile drilling rig with telescoping substructure boxes

#248
20150285011
2015-10-08

Drill rig and associated drill rig traverse system

#249
20150275593
2015-10-01

Multi-ram drill rig and method of operation

#250
20150267487
2015-09-24

Method for assembly of well heaters

#251
20150267486
2015-09-24

Facility for assembly of well heaters

#252
20150267485
2015-09-24

Injection of heating cables with a coiled tubing injector

#253
20150267483
2015-09-24

Cable support system and method

#254
20150259984
2015-09-17

Automated drilling/service rig apparatus

#255
20150240562
2015-08-27

Mobile drilling rig

#256
20150233211
2015-08-20

Cable-based well heater

#257
20150218895
2015-08-06

SYSTEM AND METHOD FOR AUTOMATED ROD CHANGING

#258
20150211301
2015-07-30

LOW HEADROOM CONFINED SPACE GEOEXCHANGE DRILLING SYSTEM AND METHOD

#259
20150184840
2015-07-02

Attachable lighting system for drilling rig

#260
20150184473
2015-07-02

Drill rod handling system for moving drill rods to and from an operative position

#261
20150176338
2015-06-25

Self-elevating platform employing actuators

#262
20150167463
2015-06-18

Drill rig

#263
20150153036
2015-06-04

Lighting system for drilling rig

#264
20150152690
2015-06-04

Drilling rig with hinged, retractable outriggers

#265
20150143759
2015-05-28

Box-on-box self-stacking substructure for a drill rig

#266
20150136422
2015-05-21

APPARATUS AND METHOD FOR DEPLOYING EQUIPMENT INTO A WELLBORE

#267
20150135607
2015-05-21

WELL DRILLING APPARATUS AND ASSEMBLING AND DISASSEMBLING METHOD

#268
20150107165
2015-04-23

Self-elevating mast employing draw works

#269
20150096952
2015-04-09

Cable management system

#270
20150083888
2015-03-26

Drilling rig equipment platform

#271
20150083439
2015-03-26

Method And Systems For Stick Mitigation Of Cable

#272
20150075813
2015-03-19

Self-elevating mast employing drive carriage

#273
20150059262
2015-03-05

Drilling rig masts and methods of assembly and erection

#274
20150052828
2015-02-26

Bi-directionally raisable drilling rig mast

#275
20150047908
2015-02-19

Bi-directionally raisable drilling rig mast

#276
20150047290
2015-02-19

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