ClassID:

135288

E21B17/006 - CPC Classification

Classification description:

Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Casings Cables; ; Tubings Accessories for drilling pipes, e.g. cleaners

Recent Application in this class:
#1
20250382848
2025-12-18

ROBOTIC PIPE DOPE APPLICATION SYSTEM

#2
20250327363
2025-10-23

WELLBORE PIPE PROTECTION DEVICE

#3
20250314133
2025-10-09

REMOTELY OPERATED ATTACHMENT TO PROVIDE ALIGNMENT BETWEEN VIV FAIRING STRUCTURES

#4
20250230716
2025-07-17

VISCOUS VIBRATION DAMPING OF TORSIONAL OSCILLATION

#5
20250188808
2025-06-12

METHODS AND SYSTEMS FOR EARTH DRILLING

#6
20250122766
2025-04-17

Lifting plug

#7
20250109640
2025-04-03

Centralizer having internal stop collar

#8
20250059850
2025-02-20

HYDRAULIC FRACTURING PLAN AND EXECUTION OF SAME

#9
20250034951
2025-01-30

CHAMFERED SINKER BAR CONNECTION

#10
20250034947
2025-01-30

COOLING FOR GEOTHERMAL WELL DRILLING

#11
20240384625
2024-11-21

DRILL STRING MOUNTABLE WELLBORE CLEANUP APPARATUS AND METHOD

#12
20240230317
2024-07-11

OIL RIG DRILL PIPE AND TUBING TALLY SYSTEM

#13
20240191827
2024-06-13

WIRELINE THREAD PROTECTION SYSTEM WITH SELF-ALIGNING BIT AND METHOD OF USING SAME

#14
20240175326
2024-05-30

Angled drill pipe nozzle assemblies

#15
20240151516
2024-05-09

SYSTEM AND METHOD FOR LOCATING, MEASURING, COUNTING, AND AIDING IN THE HANDLING OF DRILL PIPES

#16
20240141748
2024-05-02

OIL AND GAS OPERATIONS WITH VALVE OPERABLY COUPLED TO WELLHEAD

#17
20240141747
2024-05-02

OIL AND GAS OPERATIONS WITH VALVE OPERABLY COUPLED TO WELLHEAD

#18
20240125201
2024-04-18

EMERGENCY DISCONNECT ISOLATION VALVE

#19
20240003196
2024-01-04

Optically machine readable identifiers for tubular sections

#20
20230374871
2023-11-23

Methods and systems for earth drilling

#21
20230330718
2023-10-19

Method and apparatus for cleaning and inspecting oil well drilling mud flow lines

#22
20230323736
2023-10-12

Drill Pipe Cleaning Systems and Methods

#23
20230265944
2023-08-24

Non-metallic, flexible assembly for mitigation of vortex shedding in cylindrical structures

#24
20230250709
2023-08-10

Drill string mountable wellbore cleanup apparatus and method

#25
20230228155
2023-07-20

Cooling for geothermal well drilling

#26
20230167709
2023-06-01

Bleeding off a hydraulic fracturing manifold used in oil and gas extraction operations

#27
20230160689
2023-05-25

Oil rig drill pipe and tubing tally system

#28
20230160278
2023-05-25

Hydraulic fracturing plan and execution of same

#29
20230130962
2023-04-27

Processing route to design and manufacture highly configurable non-magnetic down-hole sensor collars

#30
20230109922
2023-04-13

Apparatus for Verifying the Inner Diameter of Tubulars Forming A Tubular String

#31
20230088887
2023-03-23

Drill tool and system for drill tool identification

#32
20230043285
2023-02-09

Emergency disconnect isolation valve

#33
20230019562
2023-01-19

CASING CLEANING TOOL

#34
20230003332
2023-01-05

Pipe end protector

#35
20220412190
2022-12-29

Wet connect pocket washout, method, and system

#36
20220364435
2022-11-17

Hydraulic fracturing plan and execution of same

#37
20220307329
2022-09-29

OUT OF CENTER DOWNHOLE TOOL

#38
20220299313
2022-09-22

System and method for locating, measuring, counting, and aiding in the handling of drill pipes

#39
20220186571
2022-06-16

Methods and systems for earth drilling

#40
20220163161
2022-05-26

APPARATUS FOR HANDLING PROTECTORS FOR ELONGATE OBJECTS

#41
20220120175
2022-04-21

PIPE CONNECTION INCLUDING AN EXPANDABLE ELASTOMER SLEEVE IN CONTACT WITH AN INTERNAL PROTECTIVE COATING

#42
20220106848
2022-04-07

Fluid collecting device and method

#43
20220074272
2022-03-10

System and method for washing and doping oilfield tubulars

#44
20220038034
2022-02-03

Piezoelectric and magnetostrictive energy harvesting with pipe-in-pipe structure

#45
20220010653
2022-01-13

Casing cleaning tool

#46
20220010628
2022-01-13

Flow management systems and related methods for oil and gas applications

#47
20220003049
2022-01-06

Protector for the ends of an elongate member

#48
20220003048
2022-01-06

Lubricator assembly and method for servicing tubular members

#49
20210404264
2021-12-30

Downhole tubular system, downhole tubular and method of forming a control line passageway at a tubular

#50
20210348709
2021-11-11

Thread protector

#51
20210348448
2021-11-11

Jumper tube support member

#52
20210340864
2021-11-04

Mud pulser and method for operating thereof

#53
20210324687
2021-10-21

Wellhead connector soft landing system and method

#54
20210317725
2021-10-14

Drill string mountable wellbore cleanup apparatus and method

#55
20210310326
2021-10-07

Drill pipe with dissolvable layer

#56
20210285473
2021-09-16

FLOW STRAIGHTENING BLANK

#57
20210262315
2021-08-26

Intelligently controlled fluid systems

#58
20210262304
2021-08-26

Shaped charge assembly, explosive units, and methods for selectively expanding wall of a tubular

#59
20210246733
2021-08-12

Concentric coiled tubing downline for hydrate remediation

#60
20210239254
2021-08-05

System and protector for protecting an end of a pipe

#61
20210230960
2021-07-29

Fluid management systems and related methods of controlling fluid flow in oil and gas applications

#62
20210215469
2021-07-15

Apparatus for verifying the inner diameter of tubulars forming a tubular string

#63
20210190479
2021-06-24

Oil rig drill pipe and tubing tally system

#64
20210180416
2021-06-17

Sensor system for tong assembly

#65
20210156230
2021-05-27

SYSTEMS AND METHODS FOR MANAGING DEBRIS IN A WELL

#66
20210131198
2021-05-06

Catwalk tubular measurement and method of use

#67
20210123306
2021-04-29

TUBING JOINT AND USES THEREOF

#68
20210079976
2021-03-18

Viscous vibration damping of torsional oscillation

#69
20210079738
2021-03-18

Optimized placement of vibration damper tools through mode-shape tuning

#70
20210079736
2021-03-18

Vibration isolating coupler for reducing vibrations in a drill string

#71
20210079735
2021-03-18

Rotating/non-rotating casing cleaning tool

#72
20210032950
2021-02-04

Shaped charge assembly, explosive units, and methods for selectively expanding wall of a tubular

#73
20210017851
2021-01-21

Method and apparatus for measuring wear on sucker rod guides

#74
20210002963
2021-01-07

System and method for conditioning a downhole tool

#75
20200408069
2020-12-31

REDUCTION OF HYDROGEN INGRESS INTO VACUUM INSULATED TUBING

#76
20200362643
2020-11-19

DRILLING RIG SYSTEM OPERATION WITH AUTOMATIC PIPE DOPING

#77
20200308951
2020-10-01

Automatic drill pipe coupling detection control system

#78
20200308933
2020-10-01

Drill string mountable wellbore cleanup apparatus and method

#79
20200277853
2020-09-03

Electromagnetic surface wave communication in a pipe

#80
20200224526
2020-07-16

Utilizing Vision Systems at a Wellsite

#81
20200224525
2020-07-16

Utilizing Vision Systems at a Wellsite

#82
20200173238
2020-06-04

Combined multilateral window and deflector and junction system

#83
20200149355
2020-05-14

Drill string section for drilling in the ground, ground drilling device, and use of a drill string section

#84
20200131885
2020-04-30

Emergency disconnect isolation valve

#85
20200131883
2020-04-30

Thru-tubing subsurface completion unit employing detachable anchoring seals

#86
20200109607
2020-04-09

Slimline stop collar

#87
20200102795
2020-04-02

PIPE TRACKING SYSTEM FOR DRILLING RIGS

#88
20200102794
2020-04-02

Mechanically perforated well casing collar

#89
20200095844
2020-03-26

Device and method for setting of packing

#90
20200063507
2020-02-27

Compensation system for a tong assembly

#91
20200063506
2020-02-27

Sensor system for tong assembly

#92
20200056431
2020-02-20

Pressure test plug for improved tubular threaded component

#93
20200040701
2020-02-06

Thru-tubing retrievable intelligent completion system

#94
20200040700
2020-02-06

Thru-tubing retrievable intelligent completion system

#95
20200040699
2020-02-06

Thru-tubing retrievable intelligent completion system

#96
20200040698
2020-02-06

Thru-tubing retrievable subsurface completion system

#97
20200040697
2020-02-06

Thru-tubing retrievable subsurface completion system

#98
20200040696
2020-02-06

Thru-tubing retrievable subsurface completion system

#99
20200024925
2020-01-23

Reverse rotary sprinkler drilling pipe system with anti-sticking function and its application method

#100
20190385298
2019-12-19

Oil rig drill pipe and tubing tally system

#101
20190345795
2019-11-14

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

#102
20190345776
2019-11-14

Debris management assembly

#103
20190316422
2019-10-17

Unthreaded casing thread protector

#104
20190292854
2019-09-26

Slidable rod downhole steering

#105
20190264512
2019-08-29

High opening pressure poppet valve

#106
20190255578
2019-08-22

Method and system for stripping tubulars and the like comprising frustoconical air blade

#107
20190226300
2019-07-25

Drill string mountable wellbore cleanup apparatus and method

#108
20190211657
2019-07-11

SIDE POCKET MANDREL FOR GAS LIFT AND CHEMICAL INJECTION OPERATIONS

#109
20190186216
2019-06-20

Catwalk tubular measurement and method of use

#110
20190153787
2019-05-23

Piping body having an RFID tag

#111
20190136640
2019-05-09

TELEMETRY SYSTEMS FOR TUBULARS

#112
20190120046
2019-04-25

Electromagnetic surface wave communication in a pipe

#113
20190120019
2019-04-25

Systems and methods for managing debris in a well

#114
20190100988
2019-04-04

Pipe tally vision system

#115
20190085640
2019-03-21

Drilling tool for sinking automatically directionally monitored bores

#116
20190055791
2019-02-21

Subsea rotating control device apparatus having debris barrier

#117
20190024483
2019-01-24

CONTAINMENT UNIT FOR CLEANING A MARINE RISER

#118
20190004882
2019-01-03

Drilling tubular identification

#119
20190003263
2019-01-03

Thread protector for use with sucker rods and oil tools

#120
20180320452
2018-11-08

One piece forged fluidic displacement drill pipe and method of manufacture thereof

#121
20180298723
2018-10-18

Emergency disconnect isolation valve

#122
20180274711
2018-09-27

Protector for threaded end of a tubular component with flexible seal

#123
20180266188
2018-09-20

Expansion chamber

#124
20180223630
2018-08-09

Drill string mountable wellbore cleanup apparatus and method

#125
20180223599
2018-08-09

Static push-the-bit rotary guiding device

#126
20180171755
2018-06-21

ANTI-CLOGGING DEVICE FOR BARREL ASSEMBLY OF A DOWNHOLE PUMP

#127
20180161950
2018-06-14

Active water cooling of gear mechanisms by means of a geometrically specially formed insert in diamond drilling devices

#128
20180156030
2018-06-07

Thru-tubing retrievable subsurface completion system

#129
20180156026
2018-06-07

Load and vibration monitoring on a flowline jumper

#130
20180156013
2018-06-07

Thru-tubing retrievable intelligent completion system

#131
20180156009
2018-06-07

Thru-tubing subsurface completion unit employing detachable anchoring seals

#132
20180156008
2018-06-07

Modular thru-tubing subsurface completion unit

#133
20180155991
2018-06-07

Well completion system

#134
20180148982
2018-05-31

Low profile stop collar

#135
20180142523
2018-05-24

Device and method for cleaning or lubricating of drill rod element and drilling rig

#136
20180119497
2018-05-03

Tubular gripping device

#137
20180112497
2018-04-26

Flow through treatment string for one trip multilateral treatment

#138
20180089657
2018-03-29

Serialization and database methods for tubulars and oilfield equipment

#139
20180066495
2018-03-08

Apparatus and method for stripping solids and fluids from a string used in drilling or servicing wells

#140
20180023350
2018-01-25

METHOD FOR PREVENTING FORMATION OF A SLUG FLOW REGIME OF A GAS-LIQUID MIXTURE IN A NON-LINEAR WELLBORE OR PIPELINE

#141
20180016872
2018-01-18

Systems and methods for managing debris in a well

#142
20170370204
2017-12-28

Drill pipe monitoring and lifetime prediction through simulation based on drilling information

#143
20170370160
2017-12-28

Protector with a flexible gasket for the male or female end of a component of a threaded tubular connection

#144
20170370159
2017-12-28

Connection protector with a flexible gasket for a tubular component

#145
20170306705
2017-10-26

Piping body having an RFID tag

#146
20170275953
2017-09-28

Pipe mat and method for using same for collecting fluids draining from drill pipe

#147
20170260814
2017-09-14

Driveshaft clamping assembly

#148
20170247964
2017-08-31

Latchable casing while drilling systems and methods

#149
20170247952
2017-08-31

Methods and apparatus for generating electromagnetic telemetry signals

#150
20170241223
2017-08-24

Downhole vibration enhanding apparatus and method of using and tuning the same

#151
20170226845
2017-08-10

Shock and vibration damper system and methodology

#152
20170204997
2017-07-20

Multiple failure mode clamps and related methods

#153
20170176180
2017-06-22

Distribution of radioactive tags around or along well for detection thereof

#154
20170130535
2017-05-11

Coiled tubing split-type running and retrievable clamp tool

#155
20170122072
2017-05-04

Drill string mountable wellbore cleanup apparatus and method

#156
20170074090
2017-03-16

Telemetry System, a Pipe and a Method of Transmitting Information

#157
20170067295
2017-03-09

RISER GAS HANDLING SYSTEM

#158
20170051577
2017-02-23

Systems and methods for managing debris in a well

#159
20170044875
2017-02-16

Tool identification

#160
20170038155
2017-02-09

UNDERWATER THERMAL CONNECTOR ASSEMBLY

#161
20160376872
2016-12-29

Device for removing rotating head rubbers from drill pipe

#162
20160369574
2016-12-22

Sinker bar

#163
20160348476
2016-12-01

Expandable bullnose assembly for use with a wellbore deflector

#164
20160319610
2016-11-03

Methods and systems for tubular validation

#165
20160319608
2016-11-03

Pipe mat and method for using same for collecting fluids draining from drill pipe

#166
20160291201
2016-10-06

Pipe tracking system for drilling rigs

#167
20160273277
2016-09-22

Well casing stop collar

#168
20160265314
2016-09-15

Methods and systems for orienting in a wellbore

#169
20160245046
2016-08-25

Variable diameter bullnose assembly

#170
20160230528
2016-08-11

Friction and wear reduction of downhole tubulars using graphene

#171
20160194950
2016-07-07

Pipe tracking system for drilling rigs

#172
20160177702
2016-06-23

Carrier mechanism and installation method for downhole gauge

#173
20160177632
2016-06-23

String indexing device to prevent inadvertent tool operation with a string mounted operating device

#174
20160167093
2016-06-16

Pipe thread cleaner

#175
20160130889
2016-05-12

System and method for locating, measuring, counting, and aiding in the handling of drill pipes

#176
20160123399
2016-05-05

Rotating control device with rotary latch

#177
20160123116
2016-05-05

Systems and methods for managing debris in a well

#178
20160123090
2016-05-05

Downhole vibration enhancing apparatus and method of using and tuning the same

#179
20160121375
2016-05-05

Pipe cleaning system and method

#180
20160084014
2016-03-24

SELF FILLING CASING

#181
20160084013
2016-03-24

Downhole tool string buoyancy apparatus

#182
20160069173
2016-03-10

Extended Reach Methods for Multistage Fracturing Systems

#183
20160069142
2016-03-10

Drill string mountable wellbore cleanup apparatus and method

#184
20160069141
2016-03-10

Downhole protection apparatus

#185
20160053555
2016-02-25

Cable protector system

#186
20160053554
2016-02-25

Fairing

#187
20160047180
2016-02-18

Tubular support and servicing systems

#188
20160047175
2016-02-18

Modified tubular with wireless communication device

#189
20160047174
2016-02-18

DOWNHOLE CLAMP SYSTEM

#190
20160047168
2016-02-18

Drill string sub

#191
20160032713
2016-02-04

A COMPLETION COMPONENT WITH POSITION DETECTION

#192
20160032653
2016-02-04

DOWNHOLE VIBRATION TOOL

#193
20150369015
2015-12-24

Drifting System

#194
20150361729
2015-12-17

Drill stem element with fluid activation zone

#195
20150335143
2015-11-26

Thread cleaning apparatus having adjustable diameter brush bases

#196
20150308605
2015-10-29

Device for protecting a male end of a component of a flexible-joint threaded tubular connection

#197
20150260037
2015-09-17

Downhole drilling optimization collar with fiber optics

#198
20150252630
2015-09-10

Drill string stabilizer recovery improvement features

#199
20150240603
2015-08-27

Drilling shaft abutting apparatus

#200
20150218933
2015-08-06

Downhole drilling optimization collar with fiber optics

#201
20150211320
2015-07-30

Apparatus and method for stripping solids and fluids from a string used in drilling or servicing wells

#202
20150207204
2015-07-23

Surface acoustic wave transponder package for down-hole applications

#203
20150114665
2015-04-30

Mill with adjustable gauge diameter

#204
20150114634
2015-04-30

System and method for drill pipe tallying

#205
20150101826
2015-04-16

Automated roughneck

#206
20150090463
2015-04-02

AUTOMATED PIPE SLIPS

#207
20150034386
2015-02-05

Fluidic Modulators and Along String Systems

#208
20150034385
2015-02-05

Moveable element to create pressure signals in a fluidic modulator

#209
20140365129
2014-12-11

Oilfield equipment identification method and apparatus

#210
20140352980
2014-12-04

Wrap-around band and sleeve attachment apparatus for an oilfield tubular

#211
20140352837
2014-12-04

Box protector for a threaded joint for pipes

#212
20140326507
2014-11-06

Drill pipe identification method and apparatus

#213
20140262313
2014-09-18

Riser gas handling system

#214
20140262298
2014-09-18

Drilling tubing cleaning system and method

#215
20140191904
2014-07-10

System and method to generate three-dimensional mapping of a tubular component layout

#216
20140130928
2014-05-15

Extraction assembly including an information module

#217
20140110173
2014-04-24

Apparatus and method for servicing pipes

#218
20140060851
2014-03-06

Oil and gas riser spider with low frequency antenna apparatus and method

#219
20140034334
2014-02-06

Interference-fit stop collar and method of positioning a device on a tubular

#220
20140006227
2014-01-02

Serialization and database methods for tubulars and oilfield equipment

#221
20130306804
2013-11-21

Pipe mat and method for using same for collecting fluids draining from drill pipe

#222
20130306153
2013-11-21

Tubing tray and method for using same for collecting fluids draining from drill pipe

#223
20130299037
2013-11-14

Protector for an oil extraction pipe

#224
20130297213
2013-11-07

Oilfield equipment identification method and apparatus

#225
20130220367
2013-08-29

Method and device for treatment of a pipestring section that is positioned in a set-back

#226
20130213634
2013-08-22

Grinding arrangement for tool joints on a drill string

#227
20130213517
2013-08-22

Polymer film for the conditioning of oil extraction pipes

#228
20130153303
2013-06-20

Apparatus and method to clean a tubular member

#229
20130153302
2013-06-20

Apparatus to wipe a tubular member

#230
20130063277
2013-03-14

SYSTEM AND METHOD FOR MANAGING USE OF A DOWNHOLE ASSET

#231
20130057387
2013-03-07

Identification tags and installation techniques

#232
20130056538
2013-03-07

Identification tags and systems suitable for thin-walled components

#233
20130038994
2013-02-14

Downhole tag assembly

#234
20120312411
2012-12-13

Wellbore pipe protection device

#235
20120305234
2012-12-06

Sucker Rod Cleaner

#236
20120298243
2012-11-29

Method and apparatus for determining position in a pipe

#237
20120297652
2012-11-29

DEVICE AND METHOD FOR ATTACHING AN ID-MARKER TO A PRODUCTION PIPE

#238
20120227854
2012-09-13

Open ended industrial pipe cap with recessed finger grip

#239
20120212326
2012-08-23

System and method for tracking pipe activity on a rig

#240
20120199659
2012-08-09

Oilfield equipment identification method and apparatus

#241
20120172072
2012-07-05

ARC RFID antenna

#242
20120168519
2012-07-05

Riser segment RFID tag mounting system and method

#243
20120133526
2012-05-31

Systems and methods for using wireless tags with downhole equipment

#244
20120111557
2012-05-10

Landing sub for a wiper

#245
20120055672
2012-03-08

System and method for managing temperature in a wellbore

#246
20120034376
2012-02-09

APPARATUS AND METHOD FOR APPLYING A LUBRICANT TO A THREADED PORTION OF A STEEL PIPE

#247
20120019394
2012-01-26

Surface acoustic wave transponder package for down-hole applications

#248
20110315261
2011-12-29

Labeled drill pipe

#249
20110204143
2011-08-25

Oil and gas riser spider with low frequency antenna apparatus and method

#250
20110175343
2011-07-21

Identification system for drill pipes and the like

#251
20110168397
2011-07-14

Apparatus for use in top filling of tubulars and associated methods

#252
20110148603
2011-06-23

Oilfield equipment identification method and apparatus

#253
20110148103
2011-06-23

Device for protecting a female end of a threaded tubular connection component, having an anti-unscrewing brake

#254
20110108278
2011-05-12

APPARATUS AND METHOD FOR STRIPPING SOLIDS AND FLUIDS FROM A STRING USED IN DRILLING OR SERVICING WELLS

#255
20100326671
2010-12-30

Interferece-fit stop collar and method of positioning a device on a tubular

#256
20100289225
2010-11-18

Pressure testable tubing connection

#257
20100230115
2010-09-16

Pipe connection system

#258
20100219980
2010-09-02

Method and system for performing operations and for improving production in wells

#259
20100171593
2010-07-08

Process and assembly for identifying and tracking assets

#260
20100108174
2010-05-06

SCREW THREAD SAFEGUARD OF DRILL STEMS

#261
20100096455
2010-04-22

EDGE MOUNTED RFID TAG

#262
20100089484
2010-04-15

Device for protecting a male end of a threaded tubular connection component, having open and closed positions, and associated methods and mounting machines

#263
20100064589
2010-03-18

Cover assembly for flanges and other tubular members

#264
20100019886
2010-01-28

Oilfield equipment identification method and apparatus

#265
20100018700
2010-01-28

Laminate pressure containing body for a well tool

#266
20100013664
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METHOD AND APPARATUS FOR DETERMINING POSITION IN A PIPE

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Top filling tubing

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METHOD AND SYSTEM FOR TRACKING LUBRICANT LEAKAGE FROM DOWNHOLE DRILLING EQUIPMENT

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2009-09-10

Chain with identification apparatus

#270
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2009-08-20

Drilling rig riser identification apparatus

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2009-08-20

Systems and methods for monitored drilling

#272
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2009-07-30

Drilling rigs with apparatus identification systems and methods

#273
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2009-06-25

Method of Incorporating a Fast, Readable Data Chip into Metallic Surfaces for Electronic Identification

#274
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Oilfield Equipment Identification Method and Apparatus

#275
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SYSTEM FOR MANAGING INVENTORIES COMPRISING DOWNHOLE TOOLS USED IN THE DRILLING, COMPLETION, AND PRODUCTION OF OIL AND GAS WELLS

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2009-02-26

End protector device for tubular structures

#277
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Threaded joint for steel pipe

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Method and system for performing operations and for improving production in wells

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Platform for electrically coupling a component to a downhole transmission line

#280
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2008-10-09

Oilfield equipment identification method and apparatus

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Device for cleaning and doping equipment for threads

#282
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2008-07-10

Electronic ID tag and co-operating antenna

#283
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2008-06-12

Subsea conduit cleaning tool

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Pipe joint lubrication device

#285
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2008-02-14

Laminate pressure containing body for a well tool

#286
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2007-12-06

Apparatus for wiping the interior of pipes

#287
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2007-11-15

Method and apparatus for correcting magnetic flux sensor signals

#288
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2007-11-08

Apparatus and method for washing tubular conduits during trip out of a conduit string from within a subterranean well

#289
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2007-09-13

Reinforced resilient wiper element

#290
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2007-06-28

Apparatus for cutting an internal bore

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2007-06-28

System and method for identifying equipment

#292
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2007-05-31

Serialization and database methods for tubulars and oilfield equipment

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2007-02-01

Downhole Tool with Integrated Circuit

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Drill rod greasing magazine and method

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Oilfield equipment identification method and apparatus

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Tubular stabbing protector and method

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Coding identification system and method for drill pipe

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Process and assembly for identifying and tracking assets

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Marking of pipe joints

#300
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Oilfield equipment identification method and apparatus