ClassID:

135335

E21B19/00 - 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

Recent Application in this class:
#301
20120218118
2012-08-30

Method and apparatus for initialization of a wellbore survey tool via a remote reference source

#302
20120217066
2012-08-30

Link carrier apparatus for a drilling rig

#303
20120181084
2012-07-19

System and methods for continuous and near continuous drilling

#304
20120160570
2012-06-28

Modular top drive lubrication system and methods

#305
20120160518
2012-06-28

Apparatus for applying an axial force to well pipe slips

#306
20120152530
2012-06-21

Electronic control system for a tubular handling tool

#307
20120111581
2012-05-10

APPARATUS AND METHOD FOR REDUCING THE RESIDUAL BENDING AND FATIGUE IN COILED TUBING

#308
20120090828
2012-04-19

Manipulatable spider components adapted for cooperation with a vertically reciprocating control line guide

#309
20120085551
2012-04-12

Manipulatable spider components adapted for cooperation with a vertically reciprocating control line guide

#310
20120073831
2012-03-29

Mud saver mat for rig floors and other areas

#311
20120048535
2012-03-01

Method and apparatus for cutting and removing pipe from a well

#312
20120037239
2012-02-16

W.A.I.T. washpipe assembly install tool

#313
20120024538
2012-02-02

Christmas tree installation using coiled tubing injector

#314
20110289994
2011-12-01

SYSTEM AND METHOD FOR STRAIGHTENING TUBING

#315
20110278514
2011-11-17

Pushing or pulling device

#316
20110259602
2011-10-27

CHRISTMAS TREE INSTALLATION USING COILED TUBING INJECTOR

#317
20110240371
2011-10-06

Drilling station

#318
20110233017
2011-09-29

Mouse hole damper device

#319
20110226486
2011-09-22

Apparatus and methods for tubular makeup interlock

#320
20110226466
2011-09-22

Electric Submersible Pump Service Truck

#321
20110226465
2011-09-22

Seal configuration for top drive swivel apparatus and method

#322
20110214917
2011-09-08

Power Swivel Stand Having Pivoting Positioning Arms

#323
20110214856
2011-09-08

Method and system for controlling a well service rig based on load data

#324
20110206492
2011-08-25

DOWNHOLE TOOL PROTECTOR APPARATUS AND METHOD

#325
20110155394
2011-06-30

Lifting device and method for lifting a bonnet

#326
20110147008
2011-06-23

Method and apparatus to position and protect control lines being coupled to a pipe string on a rig

#327
20110073375
2011-03-31

Modular top drive lubrication system and methods

#328
20110048736
2011-03-03

Crane device and method

#329
20110030966
2011-02-10

Universal method and apparatus for deploying flying leads

#330
20110024195
2011-02-03

Drilling with a high pressure rotating control device

#331
20100326541
2010-12-30

Stand for pressure relief valve

#332
20100319936
2010-12-23

Method for efficient deployment of intelligent completions

#333
20100307766
2010-12-09

Rigless well intervention apparatus and method

#334
20100295703
2010-11-25

Method and apparatus for initialization of a wellbore survey tool

#335
20100288484
2010-11-18

Seal configuration for top drive swivel apparatus and method

#336
20100224357
2010-09-09

Compact snubbing unit

#337
20100218936
2010-09-02

Seal configuration for top drive swivel apparatus and method

#338
20100206586
2010-08-19

Sampling system and method

#339
20100206564
2010-08-19

Sampling system and method

#340
20100193179
2010-08-05

Push / pull system and support structure for snubbing unit on a rig floor

#341
20100175950
2010-07-15

Adjustable work platform for pipe and casing stabbing operations

#342
20100175893
2010-07-15

Manipulatable spider components adapted for cooperation with a vertically reciprocating control line guide

#343
20100132949
2010-06-03

Process and process line for the preparation of hydraulic fracturing fluid

#344
20100054895
2010-03-04

Casing and rod handler

#345
20100038094
2010-02-18

Manipulatable spider components adapted for cooperation with a vertically reciprocating control line guide

#346
20090321436
2009-12-31

MODULAR PACKAGING FOR ELONGATED DRILL TOOLS

#347
20090321135
2009-12-31

Rocket rig drilling apparatus

#348
20090274543
2009-11-05

Tool manipulator especially for onshore and offshore drilling platforms

#349
20090272540
2009-11-05

MOBILE HYDRAULIC WORKOVER RIG

#350
20090252576
2009-10-08

Pipe-handling apparatus and methods

#351
20090245996
2009-10-01

Stand compensator

#352
20090223660
2009-09-10

Integrated drilling deck and bop handling

#353
20090211813
2009-08-27

DRILLING RIG AND METHOD FOR INTRODUCING ONE OR MORE DRILLING PIPES INTO AN UNDERBALANCED WELL USING SAME

#354
20090188675
2009-07-30

Drilling rigs with apparatus identification systems and methods

#355
20090159273
2009-06-25

Logging tool deployment systems and methods with pressure compensation

#356
20090151955
2009-06-18

BIG ASSEMBLY WITH MOVABLE RIG FLOOR UNITS

#357
20090139725
2009-06-04

Use of low impact expansion to reduce flow friction

#358
20090114399
2009-05-07

END STOP APPARATUS AND METHODS

#359
20090063054
2009-03-05

Method and system for controlling a well service rig based on load data

#360
20080264650
2008-10-30

Method and apparatus to position and protect control lines being coupled to a pipe string on a rig

#361
20080245522
2008-10-09

Apparatus for manipulating power tongs

#362
20080217067
2008-09-11

Articulated arm assembly

#363
20080173848
2008-07-24

Apparatus for moving tubulars and method of using same

#364
20080105859
2008-05-08

Apparatus for the Axial Movement of Piping or the Like

#365
20080105427
2008-05-08

Devices and systems for measurement of position of drilling related equipment

#366
20080083540
2008-04-10

Apparatus and methods for tubular makeup interlock

#367
20080053661
2008-03-06

Pipe guides and methods of guiding pipes in snubbing units

#368
20080041578
2008-02-21

Seal configuration for top drive swivel apparatus and method

#369
20080040065
2008-02-14

Diagnosis and troubleshooting for above-ground well systems

#370
20080037368
2008-02-14

Method and system for displaying scanning data for oil well tubing based on scanning speed

#371
20080023192
2008-01-31

Method and device to clamp control lines to tubulars

#372
20070289738
2007-12-20

Rigless well intervention apparatus and method

#373
20070272403
2007-11-29

Seal configuration for top drive swivel apparatus and method

#374
20070251728
2007-11-01

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

#375
20070209804
2007-09-13

Manipulatable spider components adapted for cooperation with a vertically reciprocating control line guide

#376
20070193778
2007-08-23

Methods and apparatus for drilling open hole

#377
20070193751
2007-08-23

Casing running and drilling system

#378
20070158079
2007-07-12

Top feed of control lines to table-elevated spider

#379
20070158076
2007-07-12

Stand compensator

#380
20070140801
2007-06-21

Modular top drive

#381
20070119596
2007-05-31

Blowout preventer positioning system

#382
20070051407
2007-03-08

Apparatus and methods for servicing a hydraulic choke

#383
20070044955
2007-03-01

Drilling rig floor drainage system

#384
20070017682
2007-01-25

Tubular running apparatus

#385
20060278402
2006-12-14

Casing and drill pipe filling and circulating method

#386
20060266511
2006-11-30

Load bearing support structure for rigs above a wellhead

#387
20060231248
2006-10-19

Shoulder ring set on casing hanger trip

#388
20060169461
2006-08-03

Apparatus and methods for tubular makeup interlock

#389
20060118335
2006-06-08

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

#390
20060118294
2006-06-08

Frameless snubbing unit

#391
20060045653
2006-03-02

Pick-up and lay-down system and method

#392
20060005962
2006-01-12

Pipe running tool

#393
20050236046
2005-10-27

Manipulator system for servicing a hydraulic choke

#394
20050189118
2005-09-01

Swing arm crane and method

#395
20050161227
2005-07-28

Method and device to clamp control lines to tubulars

#396
20050135902
2005-06-23

Pipe transfer apparatus

#397
20050126827
2005-06-16

Method and apparatus for offline standbuilding

#398
20050067364
2005-03-31

Assembly for the removal and replacement of huge and heavy components

#399
20050047884
2005-03-03

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

#400
20050045323
2005-03-03

Polish rod locking clamp

#401
16785171
2022-06-28

Wireline depth monitoring system with valve lockout

#402
16541709
2020-05-19

Method and apparatus for optimizing a well drilling operation

#403
16051046
2019-07-02

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

#404
15972486
2019-05-28

Method and apparatus for salvaging an oil well tubulars

#405
15836823
2020-04-28

System and method to reduce wellbore annular fluid volumes

#406
15156358
2018-12-11

Down well pump puller

#407
15041500
2017-03-21

Devices and methods for manually moving racked tubulars

#408
14841248
2016-07-05

Casing stripper attachment

#409
14795564
2018-05-08

Method and apparatus for salvaging an oil well tubulars

#410
14718134
2016-03-22

Devices and methods for manually moving racked tubulars

#411
14658110
2016-05-31

Handler for blowout preventer assembly

#412
14617605
2019-10-22

Flange adapter

#413
14602806
2015-06-16

Devices and methods for manually moving racked tubulars

#414
13776271
2015-09-15

System for removing a tubular

#415
13776230
2016-02-02

Method for lifting a tubular from a well

#416
13776201
2015-05-26

Tubular lifting apparatus

#417
13374802
2015-03-24

Drilling derrick and apparatus base assembly

#418
13219766
2014-12-02

Hydraulic puller device