Patents-Review.com
ClassID:

135281 ⎘

E21B15/003 - CPC Classification

Classification description:

Supports for the drilling machine, e.g. derricks or masts adapted to be moved on their substructure, e.g. with skidding means; adapted to drill a plurality of wells

Recent Application in this class:
#1
20260028879
2026-01-29

DRILLING ARRANGEMENT AND METHODOLOGY

 #2
20250314132
2025-10-09

Multi-Tool Boring Systems and Methods of Operating Such Systems

 #3
20250243715
2025-07-31

Multifunction Rig Mat

 #4
20250154837
2025-05-15

AUTOMATED DRILLING ARRANGEMENT

 #5
20240384610
2024-11-21

TRI-JACK HYDRAULIC WORKOVER UNIT

 #6
20240218743
2024-07-04

Multi-Tool Boring Systems and Methods of Operating Such Systems

 #7
20240102345
2024-03-28

Side saddle traversable drilling rig

 #8
20240093557
2024-03-21

Multi-tool boring systems and methods of operating such systems

 #9
20240035342
2024-02-01

Modular skid-based system and method to provide treatment or completion operations at a well

 #10
20240003195
2024-01-04

Module-based system for plug and abandonment operation of wells on an offshore installation

 #11
20230383651
2023-11-30

Six-Arm Tunneling and Anchoring Machine

 #12
20230250696
2023-08-10

Drilling device, and drilling construction method for an electric power iron tower foundation

 #13
20230086326
2023-03-23

Work platform and method for well operations

 #14
20230040288
2023-02-09

Drilling installation: handling system, method for independent operations

 #15
20220364467
2022-11-17

Low-power microwave coring machine suitable for lunar rocks and method of using the same

 #16
20220349268
2022-11-03

High-capacity mast on a drilling rig

 #17
20220341266
2022-10-27

Fore and aft assembly of belt-type pumping unit

 #18
20220298869
2022-09-22

Side saddle rig design with retractable top drive

 #19
20220268105
2022-08-25

MOBILE BOOM SYSTEM

 #20
20220090451
2022-03-24

Modular drilling apparatus and ground treatment methods

 #21
20220065048
2022-03-03

Side saddle traversable drilling rig

 #22
20220064891
2022-03-03

Construction machine for special civil engineering

 #23
20220049551
2022-02-17

Drill mast locking system

 #24
20220034176
2022-02-03

Guide arm

 #25
20220025715
2022-01-27

Pipe handling system and method

 #26
20210388256
2021-12-16

Process of fracturing subterranean formations

 #27
20210372282
2021-12-02

STEPPING ANCHOR SUPPORTING ROBOT FOR FULLY MECHANIZED WORKING FACE

 #28
20210355758
2021-11-18

Drilling rig systems and methods

 #29
20210317707
2021-10-14

CONTROL SYSTEM AND METHOD FOR WALKING DRILLING RIGS

 #30
20210301634
2021-09-30

Gas-lift treatment system

 #31
20210277730
2021-09-09

Utility umbilical system

 #32
20210215004
2021-07-15

Systems and methods for multi-activity onshore field development

 #33
20210164304
2021-06-03

Dual device apparatus and methods usable in well drilling and other operations

 #34
20210062533
2021-03-04

Side saddle drilling rigs

 #35
20210040798
2021-02-11

SELF-LATCHING MECHANISM FOR SECURING A DRILLING RIG FLOOR

 #36
20210032945
2021-02-04

Drilling installation: handling system, method for independent operations

 #37
20210017816
2021-01-21

Side saddle slingshot continuous motion rig

 #38
20210005338
2021-01-07

Systems and methods for nuclear waste disposal using grids

 #39
20200392912
2020-12-17

System and method for monitoring a skid module

 #40
20200392796
2020-12-17

Dual mast rig with independently adjustable platforms

 #41
20200386057
2020-12-10

Mobile boom system

 #42
20200378083
2020-12-03

Method for monitoring movement of a cantilever structure of an offshore platform, monitoring system, offshore platform

 #43
20200355032
2020-11-12

Drilling Rig System Having Improved Electrical Subsystem

 #44
20200325732
2020-10-15

ACTUATOR FOR MAST LEGS ON A DRILLING RIG

 #45
20200291727
2020-09-17

Device, system and method for transporting and installing a bop stack for an onshore drilling rig

 #46
20200284096
2020-09-10

System and method for positioning a drilling rig

 #47
20200270892
2020-08-27

Side saddle slingshot drilling rig

 #48
20200247648
2020-08-06

Crane system for a cantilever

 #49
20200240218
2020-07-30

Walking system for a completion or workover rig

 #50
20200240217
2020-07-30

SYSTEMS, METHODS, AND APPARATUSES FOR MOVING EQUIPMENT

 #51
20200232284
2020-07-23

Mast and substructure

 #52
20200190912
2020-06-18

Device for transporting, in particular skidding or jacking, a heavy object

 #53
20200173237
2020-06-04

Mobile boom system

 #54
20200149307
2020-05-14

Side saddle drilling rigs

 #55
20200141192
2020-05-07

Vessel and method to perform subsea wellbore related operations

 #56
20200123861
2020-04-23

Automated drilling rig system

 #57
20200109037
2020-04-09

Drilling machine for foundation piles comprising an electric energy recovery winch

 #58
20200063501
2020-02-27

Drilling devices and methods of operating the same

 #59
20200048965
2020-02-13

Systems and methods for raising drilling rig assemblies

 #60
20200024907
2020-01-23

Side saddle slingshot continuous motion rig

 #61
20200018123
2020-01-16

Apparatus and methods for moving workover rigs

 #62
20190368285
2019-12-05

ROTARY DRILL MAST LOCKING MECHANISM

 #63
20190352981
2019-11-21

Triple activity system and method for drilling operations

 #64
20190352976
2019-11-21

Tubing Pipe Centralizer

 #65
20190338600
2019-11-07

Multi-direction traversable drilling rig

 #66
20190242195
2019-08-08

Smart skidding system for land operations

 #67
20190203495
2019-07-04

Slingshot side saddle substructure

 #68
20190186211
2019-06-20

PIPE MANAGEMENT SYSTEM FOR NEGATIVE ANGLE DRILLING

 #69
20190186207
2019-06-20

Platform based drill capable of negative angle drilling

 #70
20190177133
2019-06-13

Offshore system with movable cantilever

 #71
20190169940
2019-06-06

Mobile boom system

 #72
20190162030
2019-05-30

Multi-level wellhead support platform

 #73
20190145215
2019-05-16

SUBSEA EQUIPMENT OPERATION ARRANGEMENT FOR AN OFFSHORE PLATFORM OR VESSEL

 #74
20190145192
2019-05-16

Tubular transfer system with variable presentation height and presentation angle

 #75
20190145122
2019-05-16

Side saddle slingshot drilling rig

 #76
20190136637
2019-05-09

Jack-up rig for performing multiple independent operations simultaneously

 #77
20190127939
2019-05-02

Seabed supported unit and method to provide a shallow water drilling terminal

 #78
20190106945
2019-04-11

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

 #79
20190071966
2019-03-07

Local electrical room module for well construction apparatus

 #80
20190071929
2019-03-07

Local electrical room module for well construction apparatus

 #81
20190071828
2019-03-07

Local electrical room module for well construction apparatus

 #82
20190063168
2019-02-28

High-capacity mast on a drilling rig

 #83
20190049909
2019-02-14

Electrical power transmission for well construction apparatus

 #84
20190048687
2019-02-14

Electrical power transmission for well construction apparatus

 #85
20190048686
2019-02-14

Electrical power transmission for well construction apparatus

 #86
20190048666
2019-02-14

Electrical power transmission for well construction apparatus

 #87
20190048665
2019-02-14

Rig structure and rig-up process

 #88
20190041879
2019-02-07

Controlling load transporting devices

 #89
20190003143
2019-01-03

Pad site construction and method

 #90
20180347285
2018-12-06

Plant module with perforated beams

 #91
20180320446
2018-11-08

Manipulator for a mast and substructure raising cylinder

 #92
20180320401
2018-11-08

Slingshot side saddle substructure

 #93
20180320331
2018-11-08

Offshore drilling unit

 #94
20180290700
2018-10-11

Mounting structure with storable transport system

 #95
20180283102
2018-10-04

MODULAR FRACTURING PAD STRUCTURE

 #96
20180282965
2018-10-04

Offshore structure, supporting member, skid shoe, method for moving a cantilever

 #97
20180274321
2018-09-27

System and method for offline suspension or cementing of tubulars

 #98
20180258665
2018-09-13

Slingshot side saddle substructure

 #99
20180252048
2018-09-06

Support apparatus for supporting down hole rotary tools

 #100
20180238118
2018-08-23

Skid assembly for transporting, installing and removing blowout preventers

 #101
20180230709
2018-08-16

MODULAR DRILLING RIG SYSTEM AND METHOD FOR ASSEMBLING THE SAME

 #102
20180216414
2018-08-02

SUPPORT SYSTEMS, APPARATUS AND METHODS

 #103
20180202237
2018-07-19

Rig layout system

 #104
20180163483
2018-06-14

Mobile utility articulating boom system

 #105
20180163426
2018-06-14

Slingshot side saddle substructure

 #106
20180155995
2018-06-07

Drilling installation; handling system, method for independent operations

 #107
20180119496
2018-05-03

Side saddle substructure

 #108
20180099843
2018-04-12

DRILLING, PLUG, ABANDONMENT, AND DECOMMISSIONING

 #109
20180086399
2018-03-29

Mounting structure with storable transport system

 #110
20180058150
2018-03-01

Crane-free walking MPD system

 #111
20180044995
2018-02-15

Redundant or combination traversing and RHC systems for derrick structures

 #112
20180030788
2018-02-01

Pipe handling apparatus

 #113
20180016855
2018-01-18

Coiled tubing rig

 #114
20180016851
2018-01-18

Mast and substructure

 #115
20180010635
2018-01-11

Walking rig creeper interface

 #116
20180010392
2018-01-11

Shaft enlargement arrangement for a boring system

 #117
20170350153
2017-12-07

Side saddle slingshot drilling rig

 #118
20170335591
2017-11-23

Guide rails for mobile drilling rig

 #119
20170327166
2017-11-16

Low profile roller assembly

 #120
20170321491
2017-11-09

ROTATING DRILLING TOWERS

 #121
20170321490
2017-11-09

Rig floor for a drilling rig

 #122
20170314345
2017-11-02

ASSEMBLIES AND METHODS FOR INSERTING AND REMOVING TUBULARS FROM A WELLBORE

 #123
20170298694
2017-10-19

Method and apparatus for drilling multiple subsea wells from an offshore platform at a single site

 #124
20170292334
2017-10-12

Slingshot side saddle substructure

 #125
20170275952
2017-09-28

Support apparatus for supporting down hole rotary tools

 #126
20170234079
2017-08-17

Drilling rig and method of use

 #127
20170211338
2017-07-27

Drilling rig system having improved electrical subsystem

 #128
20170191319
2017-07-06

Surface drill modular mast

 #129
20170175457
2017-06-22

System and method for performing well operations

 #130
20170159372
2017-06-08

RIG POSITIONING SYSTEM

 #131
20170152713
2017-06-01

Dual operational rig

 #132
20170138009
2017-05-18

Apparatus for providing access to equipment or structures that require maintenance

 #133
20170107769
2017-04-20

Passive Latch Mechanism for a Drilling Rig Mast

 #134
20170101827
2017-04-13

INTEGRATED SKIDDING RIG SYSTEM

 #135
20170081924
2017-03-23

Oil rig pony substructures with outrigger sections

 #136
20170036716
2017-02-09

Lifting jack assembly with rotatable hydraulic cylinder for steering and method of operation

 #137
20170023153
2017-01-26

Service line transport and deployment system

 #138
20170022765
2017-01-26

Method and apparatus for transporting and steering a heavy load

 #139
20170022764
2017-01-26

Coiled tubing mast and method of servicing a well

 #140
20170021880
2017-01-26

Mounting structure with storable transport system

 #141
20170009538
2017-01-12

Dual device apparatus and methods usable in well drilling and other operations

 #142
20160376862
2016-12-29

Method and apparatus for drilling multiple subsea wells from an offshore platform at a single site

 #143
20160369629
2016-12-22

Center-pillared full-face shaft drilling machine

 #144
20160369580
2016-12-22

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

 #145
20160369570
2016-12-22

Side saddle substructure

 #146
20160348448
2016-12-01

Well intervention apparatus and method

 #147
20160312543
2016-10-27

Method and apparatus for erecting a drilling rig

 #148
20160305234
2016-10-20

Drilling apparatus for producing a cased bore and method for operating a drilling apparatus

 #149
20160298394
2016-10-13

Slingshot side saddle substructure

 #150
20160280524
2016-09-29

Method and apparatus for transporting and steering a heavy load

 #151
20160258178
2016-09-08

Mast transport skid

 #152
20160252147
2016-09-01

Floating traverse system

 #153
20160251870
2016-09-01

Drilling rig mast erection system

 #154
20160221620
2016-08-04

Alignment restoration device for load transporting apparatus

 #155
20160194041
2016-07-07

Control system for load transportation device

 #156
20160149405
2016-05-26

DRILLING RIG SYSTEM HAVING IMPROVED ELECTRICAL SUBSYSTEM

 #157
20160145947
2016-05-26

Drilling rig system having improved electrical subsystem

 #158
20160145943
2016-05-26

Method and apparatus for drilling multiple subsea wells from an offshore platform at a single site

 #159
20160115741
2016-04-28

Rig skidding system

 #160
20160076310
2016-03-17

Telescopic mini-rig

 #161
20160060982
2016-03-03

Dual device apparatus and methods usable in well drilling and other operations

 #162
20160060893
2016-03-03

Modular drilling rig system and method for assembling the same

 #163
20160053558
2016-02-25

Triple Activity System for Drilling Operations

 #164
20160010323
2016-01-14

Mobile drilling rig

 #165
20150343935
2015-12-03

Assembled drilling rig moving unit

 #166
20150330048
2015-11-19

Decommissioning offshore oil and gas wells

 #167
20150315861
2015-11-05

WELL OPERATION METHOD AND A WELL OPERATION EQUIPMENT SYSTEM FOR HANDLING A CONTINUOUS ELONGATE DEVICE TO BE INSERTABLE INTO A WELL

 #168
20150300091
2015-10-22

Collapsible substructure for a mobile drilling rig

 #169
20150300038
2015-10-22

Mobile drilling rig with telescoping substructure boxes

 #170
20150218891
2015-08-06

Slingshot side saddle substructure

 #171
20150197993
2015-07-16

DERRICK LIFT SYSTEM OF OFFSHORE STRUCTURE

 #172
20150184466
2015-07-02

System and Method for Moving a Drilling Rig

 #173
20150183495
2015-07-02

Well intervention semisubmersible vessel

 #174
20150166134
2015-06-18

Drill rig relocation system

 #175
20150152690
2015-06-04

Drilling rig with hinged, retractable outriggers

 #176
20150139740
2015-05-21

Micropile foundation matrix

 #177
20150136420
2015-05-21

Device and method for handling drill string components in a drill rig and drill rig

 #178
20150114717
2015-04-30

Walking drilling rig

 #179
20150096952
2015-04-09

Cable management system

 #180
20150090450
2015-04-02

Performing simultaneous operations on multiple wellbore locations using a single mobile drilling rig

 #181
20150060060
2015-03-05

Systems and methods for optimal positioning of drilling pads

 #182
20150053426
2015-02-26

Mounting structure with storable transport system

 #183
20150034383
2015-02-05

Offshore system comprising a rig and a cantilever

 #184
20140318863
2014-10-30

Floating offshore facility and a method for drilling a well

 #185
20140270975
2014-09-18

Three rail multi-directional direct cantilever skidding system

 #186
20140270974
2014-09-18

Multi-direction direct cantilever skidding system

 #187
20140262562
2014-09-18

RIG WALKING SYSTEM WITH CANTILEVER-MOUNTED LIFTING JACK ASSEMBLIES

 #188
20140262504
2014-09-18

Multipurpose cantilever skidding frame

 #189
20140246188
2014-09-04

Support apparatus for supporting down hole rotary tools

 #190
20140238745
2014-08-28

Pipe handler

 #191
20140231098
2014-08-21

Methods of supporting a self-propelled derrick rig

 #192
20140231089
2014-08-21

Floating offshore facility and a method for drilling a well

 #193
20140231067
2014-08-21

Base beam and self-propelled derrick rig assembly

 #194
20140224944
2014-08-14

Articulating grasshopper arm

 #195
20140224543
2014-08-14

Side saddle substructure

 #196
20140224541
2014-08-14

Box frame spreader beam

 #197
20140216815
2014-08-07

Multi-operational multi-drilling system

 #198
20140209004
2014-07-31

Ice breaking drilling vessel with stowable mast

 #199
20140161581
2014-06-12

Rotation device for load transporting apparatus

 #200
20140158342
2014-06-12

Rig with drawworks and hoisting device

 #201
20140083774
2014-03-27

Drilling tool storage device and method of changing a drilling tool

 #202
20140054097
2014-02-27

Drill rig moving system

 #203
20140014417
2014-01-16

Alignment restoration device for load transporting apparatus

 #204
20130341039
2013-12-26

Ground level rig and method

 #205
20130341038
2013-12-26

Method and apparatus for working multiple wellheads in close proximity

 #206
20130315676
2013-11-28

Service line transport and deployment system

 #207
20130291780
2013-11-07

Sealed derrick structure for polar vessels

 #208
20130291475
2013-11-07

Support apparatus for wellbore tools

 #209
20130269953
2013-10-17

Method and support apparatus for supporting down hole rotary tools

 #210
20130269268
2013-10-17

Mobile drilling rig with telescoping substructure boxes

 #211
20130180186
2013-07-18

Collapsible substructure for a mobile drilling rig

 #212
20130145718
2013-06-13

Support apparatus for wellbore tools

 #213
20130140802
2013-06-06

Leveling system

 #214
20130098627
2013-04-25

Method and apparatus for drilling multiple subsea wells from an offshore platform at a single site

 #215
20130058803
2013-03-07

Tower frame combined transmitting pumping unit without guiding wheels

 #216
20130020067
2013-01-24

Mobile hydraulic workover rig

 #217
20120291684
2012-11-22

Ice Breaking Drilling Vessel With Stowable Mast

 #218
20120219242
2012-08-30

Auto-centering structural bearing

 #219
20120217006
2012-08-30

DRILLING RIG HAVING RIG OPERATION LOADS SUPPORTED ON PRESSURE CONTROL EQUIPMENT

 #220
20120138327
2012-06-07

Drilling rig with hinged, retractable outriggers

 #221
20120096786
2012-04-26

Structural cap with composite sleeves

 #222
20120067642
2012-03-22

Multi-operational multi-drilling system

 #223
20120012354
2012-01-19

Apparatus for driving piles or drilling holes

 #224
20110240371
2011-10-06

Drilling station

 #225
20110044768
2011-02-24

Batter angled flange composite cap

 #226
20110044767
2011-02-24

Composite cap

 #227
20110044766
2011-02-24

Micropile foundation matrix

 #228
20110042142
2011-02-24

Spindrill

 #229
20100314121
2010-12-16

Well apparatus

 #230
20100260555
2010-10-14

Cantilever skidding system on a drilling rig

 #231
20100224381
2010-09-09

Mobile self-erecting directional drilling rig apparatus

 #232
20100147524
2010-06-17

Multi-function multi-hole drilling rig

 #233
20100108322
2010-05-06

PARALLEL DRILLING AND COMPLETION FOR A DRY TREE FLOATING PRODUCTION FACILITY

 #234
20100071906
2010-03-25

System and method for simultaneous sea drilling operations

 #235
20100038088
2010-02-18

Multi-function multi-hole drilling rig

 #236
20090272540
2009-11-05

MOBILE HYDRAULIC WORKOVER RIG

 #237
20090151955
2009-06-18

BIG ASSEMBLY WITH MOVABLE RIG FLOOR UNITS

 #238
20090025980
2009-01-29

Modular coiled tubing and sectional pipe drilling rig

 #239
20090025937
2009-01-29

System and method to facilitate interventions from an offshore platform

 #240
20090014216
2009-01-15

Geothermal heat loop installation

 #241
20090008110
2009-01-08

Mobile self-erecting directional drilling rig apparatus

 #242
20080283300
2008-11-20

Drilling rig and vibration dampening support frame

 #243
20080047755
2008-02-28

Drilling unit

 #244
20080023228
2008-01-31

Geothermal heat loop installation

 #245
20080006445
2008-01-10

Method and apparatus for movement of drilling equipment between adjacent locations

 #246
20070240891
2007-10-18

Drilling machine

 #247
20060000644
2006-01-05

Drill head steering

 #248
20050126790
2005-06-16

Method for using a multipurpose unit with multipurpose tower and a surface blow out preventer

 #249
18916988
2026-04-14

Multi-purpose compensator system

 #250
18477143
2025-02-18

Multi-purpose compensator system

 #251
18147876
2023-10-10

Subsea coiled tubing drilling system and subsea drilling device thereof

 #252
17568371
2024-01-09

Swivel stand apparatus and associated equipment

 #253
17513927
2022-12-06

Truck-mounted flipped automated operation equipment for well workover

 #254
17497829
2022-05-24

Electric well service rig

 #255
17076456
2022-01-25

Drilling tool loading control system

 #256
17014518
2022-02-15

Swivel stand apparatus and associated equipment

 #257
16926998
2024-01-02

Rig movement, rotation and alignment assembly

 #258
16825277
2023-05-30

Support apparatus for supporting down hole rotary tools

 #259
16515212
2020-09-01

Frac stand safety work platform

 #260
16385895
2020-04-28

Support apparatus for supporting down hole rotary tools

 #261
16246468
2019-07-23

Post and non-elongated substructure drilling rig

 #262
16006248
2019-02-26

Post and non-elongated substructure drilling rig

 #263
15904035
2020-10-27

Swivel stand apparatus and associated equipment

 #264
15890890
2019-07-16

Cradle for retention, transportation and rotation of blowout preventer

 #265
15825162
2020-02-04

Drilling platform for cellar-type well sites