ClassID:

135158

E21B7/023 - CPC Classification

Classification description:

Special methods or apparatus for drilling; Drilling rigs characterized by means for land transport with their own drive , e.g. skid mounting or wheel mounting the mast being foldable or telescopically retractable

Recent Application in this class:
#1
20260055671
2026-02-26

MOBILE RIG TO WELL ALIGNMENT SYSTEM AND METHOD

#2
20250347174
2025-11-13

SYSTEM FOR MOVING MAST OF DRILLING MACHINE

#3
20250223917
2025-07-10

COOLING ARRANGEMENT, ROCK DRILLING RIG AND METHOD OF COOLING

#4
20250154837
2025-05-15

AUTOMATED DRILLING ARRANGEMENT

#5
20250122768
2025-04-17

MOBILE LAND RIG WITH A PIVOTAL TOP DRIVE UNIT

#6
20250067124
2025-02-27

Compact Machine for Carrying Tools

#7
20250043642
2025-02-06

PORTAL PILE DRIVER AND CAST-IN-PLACE PILE CONSTRUCTION METHOD

#8
20240318521
2024-09-26

DEVICES, SYSTEMS, AND METHODS FOR RETRIEVING INNER TUBES

#9
20240209689
2024-06-27

MAST ELEMENT, IN PARTICULAR LEADER ELEMENT, FOR A CONSTRUCTION MACHINE AND METHOD OF MANUFACTURING THE MAST ELEMENT

#10
20240209588
2024-06-27

CIVIL ENGINEERING MACHINE

#11
20240200407
2024-06-20

ELECTRIC BATTERY WORKOVER RIG

#12
20240102345
2024-03-28

Side saddle traversable drilling rig

#13
20240035340
2024-02-01

Work machine with leader

#14
20230272676
2023-08-31

System and method to automatically position a machine in a shipping configuration

#15
20230228153
2023-07-20

Construction machine and method for operating a construction machine

#16
20230086326
2023-03-23

Work platform and method for well operations

#17
20220349266
2022-11-03

Drill feed system

#18
20220349258
2022-11-03

Drilling apparatus and related method

#19
20220341265
2022-10-27

SELF-MOVING TUBULAR STORAGE RIGS AND METHODS FOR THE USE THEREOF

#20
20220325581
2022-10-13

Quick disconnect Kelly bar system

#21
20220154533
2022-05-19

Mast for drilling machines

#22
20220098967
2022-03-31

Excavating machine with control system of the combined drive of two winches

#23
20220065048
2022-03-03

Side saddle traversable drilling rig

#24
20220064891
2022-03-03

Construction machine for special civil engineering

#25
20220049551
2022-02-17

Drill mast locking system

#26
20210277720
2021-09-09

Drilling apparatus and related method

#27
20210040763
2021-02-11

Mast coupling assembly for a mobile drilling machine

#28
20210025250
2021-01-28

Inverted direct drive feed system

#29
20210025237
2021-01-28

Mining or construction vehicle

#30
20210002968
2021-01-07

DRILLING TOOL REPLACEMENT APPARATUS

#31
20200325732
2020-10-15

ACTUATOR FOR MAST LEGS ON A DRILLING RIG

#32
20200325730
2020-10-15

Automated drilling/service rig apparatus

#33
20200308911
2020-10-01

Guidance systems and apparatus for power swivel

#34
20200284097
2020-09-10

Mining or construction vehicle and a hydraulic cylinder conduit enclosing a conduit arrangement

#35
20200199976
2020-06-25

Mobile well servicing system and method of using the same

#36
20200131856
2020-04-30

AUTOMATED MAST CONTROL FOR DRILLING

#37
20200024098
2020-01-23

Wireline system and methods of using same

#38
20190360284
2019-11-28

Mobile coiled tubing drilling apparatus

#39
20190360283
2019-11-28

Rotary drill head for coiled tubing drilling apparatus

#40
20190292851
2019-09-26

Tool carrier for a well rig

#41
20190186212
2019-06-20

Negative angle capable blasthole drilling mast

#42
20190186205
2019-06-20

Tool carrier for a well rig

#43
20190106945
2019-04-11

Mobile drilling apparatus for a drilling site with cluster of wells and method of assembling and moving thereof

#44
20190071966
2019-03-07

Local electrical room module for well construction apparatus

#45
20190071929
2019-03-07

Local electrical room module for well construction apparatus

#46
20190071828
2019-03-07

Local electrical room module for well construction apparatus

#47
20180334856
2018-11-22

Detecting system in a soil drilling machine and related method

#48
20180320446
2018-11-08

Manipulator for a mast and substructure raising cylinder

#49
20180216413
2018-08-02

Telescopic deployment mast

#50
20180119492
2018-05-03

Gantry and quick connect mechanism for interchanging drilling and bolting assemblies and method of interchanging bolting assemblies

#51
20180023346
2018-01-25

Automated drilling/service rig apparatus

#52
20180016855
2018-01-18

Coiled tubing rig

#53
20170335640
2017-11-23

Mobile coiled tubing reel unit, rig and arrangements thereof

#54
20170260769
2017-09-14

Tower lifting device for rotary blasthole drill

#55
20170247902
2017-08-31

Drilling rig

#56
20170191319
2017-07-06

Surface drill modular mast

#57
20170165763
2017-06-15

GANG DRILL APPARATUS

#58
20170159361
2017-06-08

Method of drilling a ground using a robotic arm

#59
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

#60
20170081144
2017-03-23

Wireline system and methods of using same

#61
20170043984
2017-02-16

Rig mast and related components

#62
20160340986
2016-11-24

Mobile coiled tubing reel unit, rig and arrangements thereof

#63
20160281430
2016-09-29

Drilling System and Method of Operation for Same

#64
20160258215
2016-09-08

Mast leg pulley

#65
20160251906
2016-09-01

Telescopic mast for drilling and associated drilling rig

#66
20160251870
2016-09-01

Drilling rig mast erection system

#67
20160222733
2016-08-04

TORQUE STABILIZATION FOR A RIG MAST

#68
20160130877
2016-05-12

Drilling Rig

#69
20160123146
2016-05-05

Method and control system for a mining vehicle and a mining vehicle

#70
20160090788
2016-03-31

Mobile drilling rig

#71
20160052441
2016-02-25

Transportable drilling rig system

#72
20150376962
2015-12-31

Mobile service rig with integrate pipe handling assembly

#73
20150300091
2015-10-22

Collapsible substructure for a mobile drilling rig

#74
20150300038
2015-10-22

Mobile drilling rig with telescoping substructure boxes

#75
20150259984
2015-09-17

Automated drilling/service rig apparatus

#76
20150240562
2015-08-27

Mobile drilling rig

#77
20150211206
2015-07-30

Mast arrangement and method for connecting a tool unit to a mast carriage of a mast arrangement

#78
20150167463
2015-06-18

Drill rig

#79
20150167391
2015-06-18

Materials handling vehicle

#80
20150152690
2015-06-04

Drilling rig with hinged, retractable outriggers

#81
20140298735
2014-10-09

Apparatus for and method of folding a mast or derrick

#82
20140284107
2014-09-25

Drilling apparatus

#83
20140190714
2014-07-10

Lead supporting device of drilling machine

#84
20140151078
2014-06-05

Method and system for controlling the movement of a mast of drilling machine

#85
20140097027
2014-04-10

Self-locking top drive guide system

#86
20140000867
2014-01-02

Mobile coiled tubing reel unit, rig and arrangements thereof

#87
20130343858
2013-12-26

Method of deploying a mobile rig system

#88
20130343834
2013-12-26

Skid mounted pipe arm with walkway and method

#89
20130341089
2013-12-26

Control system and method for a well completion system

#90
20130341059
2013-12-26

Top drive sheave method and apparatus

#91
20130341046
2013-12-26

System and method for controlling surface equipment to insert and remove tubulars with a well under pressure

#92
20130341045
2013-12-26

Guide attachment for use with drive systems

#93
20130341044
2013-12-26

Long lateral completion system and method

#94
20130341036
2013-12-26

Method and apparatus for aligning a BOP stack and a mast

#95
20130340355
2013-12-26

Mast and guy wire systems for use with long lateral completion systems and method

#96
20130318909
2013-12-05

Portable drilling rig apparatus and assembly method

#97
20130291475
2013-11-07

Support apparatus for wellbore tools

#98
20130269268
2013-10-17

Mobile drilling rig with telescoping substructure boxes

#99
20130180702
2013-07-18

Workover rig with reinforced mast

#100
20130180185
2013-07-18

Mast for drilling rigs and methods of assembling the same

#101
20130145718
2013-06-13

Support apparatus for wellbore tools

#102
20130140091
2013-06-06

Construction work unit and method for erecting a mast

#103
20120186882
2012-07-26

Earth drilling machine

#104
20120138327
2012-06-07

Drilling rig with hinged, retractable outriggers

#105
20120085553
2012-04-12

Electrically driven coiled tubing injector assembly

#106
20110253400
2011-10-20

Ground working device

#107
20110247290
2011-10-13

Drilling rig and mounting method therefor

#108
20110168421
2011-07-14

Telescoping leader

#109
20110120043
2011-05-26

Articulating mast

#110
20110083840
2011-04-14

WORKOVER RIG WITH REINFORCED MAST

#111
20110072737
2011-03-31

PORTABLE DRILLING RIG APPARATUS AND ASSEMBLY METHOD

#112
20100215449
2010-08-26

Drilling apparatus

#113
20100012340
2010-01-21

DRILLING CAR FOR CLOSE SPACES

#114
20090314547
2009-12-24

Construction apparatus with extendable mast and method for operating such a construction apparatus

#115
20090283324
2009-11-19

Mobile drilling rig

#116
20090218139
2009-09-03

Drilling rigs and erection methods

#117
20090218138
2009-09-03

Drilling rig structure installation and methods

#118
20090139731
2009-06-04

Drilling device and drilling method utilizing dual drives

#119
20090084558
2009-04-02

Electrically powered well servicing rigs

#120
20080251267
2008-10-16

Rig for drilling or maintaining oil wells

#121
20080217037
2008-09-11

Excavation apparatus

#122
20080210416
2008-09-04

Guide rail system for a telescoping mast on a drilling rig

#123
20080149395
2008-06-26

Drilling or Service Rig

#124
20070295497
2007-12-27

Articulated mast for a coiled tubing rig

#125
20070272907
2007-11-29

Telescoping workover rig

#126
20070074460
2007-04-05

PORTABLE DRILLING MAST STRUCTURE

#127
20060278394
2006-12-14

System and method for perforating and fracturing in a well

#128
20060096941
2006-05-11

Construction device comprising a mast having a pivotable deflecting device

#129
17823820
2023-09-19

Oil rig mast hoisting system

#130
17550386
2022-11-22

Automatic digging adjustment system and method

#131
16455032
2020-10-13

Combination coring machine and vacuum excavation rig