ClassID:

135342

E21B19/06 - page 2 - CPC Classification

Classification description:

Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables; Rod or cable suspensions Elevators, i.e. rod- or tube-gripping devices

Recent Application in this class:
#301
20140353997
2014-12-04

Self-aligning pipe gripping assembly and method of making and using the same

#302
20140352978
2014-12-04

Device for a pipe handling unit and method of inserting and withdrawing a pipe string in/from a borehole

#303
20140326468
2014-11-06

Method of using a top drive system

#304
20140326467
2014-11-06

Tubular handling tool

#305
20140262336
2014-09-18

Systems and methods for tubular engagement and manipulation

#306
20140262335
2014-09-18

Two-piece connection lift system and method

#307
20140262330
2014-09-18

ROD ELEVATOR

#308
20140151057
2014-06-05

Drilling vessel

#309
20140131051
2014-05-15

Method and apparatus for handling a tubular

#310
20140097960
2014-04-10

Alarm systems and methods for preventing improper lifting of tubular members

#311
20140090856
2014-04-03

Compensating bails

#312
20140076583
2014-03-20

Method and apparatus for anchoring casing and other tubular goods

#313
20140014319
2014-01-16

Hydraulic screen table apparatus

#314
20130341042
2013-12-26

Gripping attachment for use with drive systems

#315
20130302114
2013-11-14

Drilling rig employing tubular handling device

#316
20130299244
2013-11-14

Drilling rig employing top drive

#317
20130299190
2013-11-14

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

#318
20130299189
2013-11-14

Drilling rig employing pivoting drilling tower

#319
20130299178
2013-11-14

Systems and methods for riser coupling

#320
20130292136
2013-11-07

Tubular running device and method

#321
20130269926
2013-10-17

Tubular handling apparatus

#322
20130264838
2013-10-10

Method and apparatus for attachment of a secondary tool handling device to a primary tool handling device

#323
20130248205
2013-09-26

Single upset landing string running system

#324
20130228339
2013-09-05

Apparatus for, and method of, landing items at a well location

#325
20130206478
2013-08-15

Drilling system and a device for assembling and disassembling pipe stands

#326
20130192859
2013-08-01

Top drive with automatic anti-rotation safety control

#327
20130153213
2013-06-20

Wear sensor for a pipe guide

#328
20130146304
2013-06-13

Tubular compensator system and method

#329
20130118760
2013-05-16

Weight-based interlock apparatus and methods

#330
20130105168
2013-05-02

Telescopic elevator bail and method of using the elevator bail

#331
20130104367
2013-05-02

Safety latch lock

#332
20130020095
2013-01-24

Adjustable mudline tubing hanger suspension system

#333
20130011221
2013-01-10

Apparatus for handling tubulars

#334
20120325496
2012-12-27

Single upset landing string running system

#335
20120273232
2012-11-01

Mechanically actuated casing drive system tool

#336
20120269578
2012-10-25

Subsea pipe stub pulling devices and methods

#337
20120261528
2012-10-18

Device for securing pipes having various diameters

#338
20120247786
2012-10-04

Remotely operated single joint elevator

#339
20120234531
2012-09-20

Seal configuration for top drive swivel apparatus and method

#340
20120217066
2012-08-30

Link carrier apparatus for a drilling rig

#341
20120211244
2012-08-23

Top drive system

#342
20120200101
2012-08-09

Elevator connector device

#343
20120160517
2012-06-28

Wellbore tubular running devices, systems and methods

#344
20120152619
2012-06-21

Apparatus and method for position-sensitive pipe provisioning in top-drive drilling

#345
20120152530
2012-06-21

Electronic control system for a tubular handling tool

#346
20120111556
2012-05-10

Casing spears and related systems and methods

#347
20120085550
2012-04-12

Method and apparatus for stabbing tubular goods

#348
20120080181
2012-04-05

METHOD AND APPARATUS FOR CONNECTING TUBULARS USING A TOP DRIVE

#349
20120048574
2012-03-01

Fill up tool

#350
20110297445
2011-12-08

TOP DRIVE

#351
20110285156
2011-11-24

Support becket for rig operations

#352
20110253361
2011-10-20

Fluid power conducting swivel

#353
20110232895
2011-09-29

WELL TOOL WITH CONNECTORS AND ADAPTED FOR USE WITH POWER TONGS

#354
20110226465
2011-09-22

Seal configuration for top drive swivel apparatus and method

#355
20110209877
2011-09-01

Apparatus for, and method of, landing items at a well location

#356
20110174542
2011-07-21

Tubular member adaptor apparatus

#357
20110174483
2011-07-21

Apparatus for gripping a tubular on a drilling rig

#358
20110174479
2011-07-21

METHOD AND APPARATUS FOR CONNECTING TUBULARS USING A TOP DRIVE

#359
20110146969
2011-06-23

Handling device for pipes

#360
20110132594
2011-06-09

Gripping tool

#361
20110048735
2011-03-03

WELL CAP ROD HANGER

#362
20110048733
2011-03-03

Arrangements, systems, and methods for pipe handling

#363
20110008099
2011-01-13

Dog-type lockout and position indicator assembly

#364
20100307766
2010-12-09

Rigless well intervention apparatus and method

#365
20100300704
2010-12-02

Casing stabbing guide and method of use thereof

#366
20100289285
2010-11-18

APPARATUS FOR MANIPULATING PIPES

#367
20100288484
2010-11-18

Seal configuration for top drive swivel apparatus and method

#368
20100244476
2010-09-30

Elevator for gripping and lifting a riser joint

#369
20100230115
2010-09-16

Pipe connection system

#370
20100224376
2010-09-09

METHOD AND APPARATUS FOR CONNECTING TUBULARS USING A TOP DRIVE

#371
20100218936
2010-09-02

Seal configuration for top drive swivel apparatus and method

#372
20100218935
2010-09-02

Pipe handling apparatus

#373
20100212915
2010-08-26

Pipe handling system

#374
20100200246
2010-08-12

Stabilizer for pipe handling equipment

#375
20100183418
2010-07-22

Pipe manipulating apparatus

#376
20100163248
2010-07-01

Pipe handling apparatus

#377
20100132936
2010-06-03

Pipe handling device and safety mechanism

#378
20100127149
2010-05-27

Support becket for rig operations

#379
20100080670
2010-04-01

Pipe handling apparatus

#380
20100061827
2010-03-11

Riser lifting tool

#381
20100059635
2010-03-11

Apparatus having improved interlocking units for flexibly restraining service loops in an oil derrick to prevent entangling of the loops

#382
20100032162
2010-02-11

Fill up and circulation tool and mudsaver valve

#383
20090288882
2009-11-26

Hydraulic head clamp assembly for mobile drill rig

#384
20090274545
2009-11-05

Tubular handling apparatus

#385
20090229837
2009-09-17

Flowback tool

#386
20090223200
2009-09-10

Chain with identification apparatus

#387
20090218090
2009-09-03

METHOD AND APPARATUS FOR CONNECTING TUBULARS USING A TOP DRIVE

#388
20090208295
2009-08-20

Drilling rig riser identification apparatus

#389
20090205820
2009-08-20

Systems and methods for monitored drilling

#390
20090173502
2009-07-09

Offshore installation attachment system

#391
20090152409
2009-06-18

Device for vertically holding pipes

#392
20090151934
2009-06-18

Top drive system

#393
20090146441
2009-06-11

Gripping tool with fluid grip activation

#394
20090145594
2009-06-11

Gripping tool with driven screw grip activation

#395
20090120649
2009-05-14

Power slips

#396
20090110535
2009-04-30

Remotely operated single joint elevator

#397
20090101361
2009-04-23

Tubular running system

#398
20090101331
2009-04-23

Stabilizer for pipe handling equipment

#399
20090095489
2009-04-16

Apparatus for gripping a downhole tubular

#400
20090014169
2009-01-15

Single joint elevator with jaws secured by a powered door

#401
20080303266
2008-12-11

Coupling apparatus

#402
20080302525
2008-12-11

Pipe handling device, method and system

#403
20080247827
2008-10-09

Work-over rig assembly and methods thereof

#404
20080245575
2008-10-09

Tubular running tool and method of using same

#405
20080245524
2008-10-09

Tubular running tool and method of using same

#406
20080238117
2008-10-02

Load ring for lifting by elevator, of casing having no upset

#407
20080230224
2008-09-25

Spear type blow out preventer

#408
20080210439
2008-09-04

Tubular handling device

#409
20080210063
2008-09-04

Gripping tool

#410
20080190598
2008-08-14

Pipe handling device and safety mechanism

#411
20080185140
2008-08-07

METHOD AND APPARATUS FOR CONNECTING TUBULARS USING A TOP DRIVE

#412
20080164693
2008-07-10

Tubular handling device

#413
20080150305
2008-06-26

Oilfield elevator

#414
20080105463
2008-05-08

Apparatus for, and method of, landing items at a well location

#415
20080093870
2008-04-24

TWO-DOOR ELEVATOR

#416
20080066928
2008-03-20

Automatic false rotary

#417
20080053704
2008-03-06

Device for Gripping and Transporting Pipe Lengths and an Intermediate Storage Facility for Storage of Pipes

#418
20080053660
2008-03-06

Actuation system for an oilfield tubular handling system

#419
20080041578
2008-02-21

Seal configuration for top drive swivel apparatus and method

#420
20070289738
2007-12-20

Rigless well intervention apparatus and method

#421
20070272403
2007-11-29

Seal configuration for top drive swivel apparatus and method

#422
20070261857
2007-11-15

Tubular running tool

#423
20070251728
2007-11-01

Automated arm for positioning of drilling tools such as an iron roughneck

#424
20070251700
2007-11-01

Tubular running system

#425
20070228753
2007-10-04

Remotely operated elevator and method

#426
20070152445
2007-07-05

Coupling apparatus

#427
20070131416
2007-06-14

Apparatus for gripping a tubular on a drilling rig

#428
20070119035
2007-05-31

Articulating bail assembly and method

#429
20070102162
2007-05-10

Apparatus for retaining two strings of tubulars

#430
20070095524
2007-05-03

Pipe gripping clamp

#431
20070084598
2007-04-19

Method and apparatus for connecting tubulars using a top drive

#432
20070074876
2007-04-05

Apparatus for facilitating the connection of tubulars using a top drive

#433
20070074875
2007-04-05

Pipe handling device, method and system

#434
20070062705
2007-03-22

Wellbore rig elevator systems

#435
20070062688
2007-03-22

Support link for wellbore apparatus

#436
20070017681
2007-01-25

System, lifting device and method for supporting a pipe string

#437
20070000668
2007-01-04

Internal running elevator

#438
20060278402
2006-12-14

Casing and drill pipe filling and circulating method

#439
20060255607
2006-11-16

ELEVATOR SAFETY LIFTING SUPPORT

#440
20060249292
2006-11-09

Casing running tool and method of using same

#441
20060231344
2006-10-19

Pipe elevator with rotating door

#442
20060225891
2006-10-12

Apparatus for, and method of, landing items at a well location

#443
20060191690
2006-08-31

Hands-free bail-elevator locking device with combined power/control connector, bail spreader and method for use

#444
20060191689
2006-08-31

Dual elevator system and method

#445
20060185854
2006-08-24

Horseshoe shaped elevator and method for using same

#446
20060124316
2006-06-15

Method and apparatus for connecting tubulars using a top drive

#447
20060118335
2006-06-08

Automated arm for positioning of drilling tools such as an iron roughneck

#448
20060113087
2006-06-01

Methods and apparatuses for wellbore operations

#449
20060113075
2006-06-01

Pipe guide

#450
20060032638
2006-02-16

Apparatus and methods of setting and retrieving casing with drilling latch and bottom hole assembly

#451
20060027375
2006-02-09

Automatic false rotary

#452
20060011352
2006-01-19

Safety lock for elevators

#453
20060000600
2006-01-05

Casing feeder

#454
20050269105
2005-12-08

Apparatus for facilitating the connection of tubulars using a top drive

#455
20050098352
2005-05-12

Pipe handling device, method and system

#456
20050092500
2005-05-05

Large diameter flush-joint pipe handling system

#457
20050082857
2005-04-21

Load ring for lifting by elevator, of casing having no upset

#458
20050051343
2005-03-10

Apparatus for facilitating the connection of tubulars using a top drive

#459
20050047884
2005-03-03

Automated arm for positioning of drilling tools such as an iron roughneck

#460
20050000696
2005-01-06

Method and apparatus for handling wellbore tubulars

#461
20050000684
2005-01-06

Apparatus for handling tubular goods

#462
18916988
2026-04-14

Multi-purpose compensator system

#463
18477143
2025-02-18

Multi-purpose compensator system

#464
17248669
2022-06-21

Robot end-effector orientation constraint for pipe tailing path

#465
16174175
2019-12-24

Self-elevating drilling unit drills petroleum well offshore with wellhead on seabed

#466
15459937
2018-12-18

Top drive and power swivel with high pressure seals and automatic refilling lubrication reservoir

#467
15342707
2017-10-17

Handling tool with integrated sensor for real time monitoring during operation

#468
15084349
2018-03-13

Dual control hydraulic circuit for a tilting power swivel

#469
14919635
2017-01-31

Elevator link extension systems

#470
14626888
2016-04-05

Drilling rig with top drive with dual opening elevator

#471
14626879
2016-04-05

Top drive with dual opening elevator

#472
13776230
2016-02-02

Method for lifting a tubular from a well

#473
13776201
2015-05-26

Tubular lifting apparatus

#474
13485533
2016-02-02

Control system for a top drive