ClassID:

135287

E21B17/003 - CPC Classification

Classification description:

Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Casings Cables; ; Tubings with electrically conducting or insulating means

Recent Application in this class:
#1
20260100294
2026-04-09

LEAD FREE CABLE FOR POWER DELIVERY TO DOWNHOLE EQUIPMENT

#2
20260071502
2026-03-12

EXTENSIBLE TRANSITION JOINT FOR CONTROL LINE PROTECTION

#3
20260002438
2026-01-01

Downhole Trickle Charge Device, Apparatus, and Method

#4
20250376896
2025-12-11

INSULATED DRILL PIPES AND PROCESSES OF MAKING AND USING SAME

#5
20250372283
2025-12-04

ACID RESISTANT WIRELINE CABLE

#6
20250253071
2025-08-07

REELABLE SUPPORT MEMBER

#7
20250232895
2025-07-17

ELECTRIC CABLE WITH UNDULATED TUBING SEGMENTS FOR SUSPENSION IN A WELL SYSTEM AND METHOD OF ASSEMBLY THEREOF

#8
20250207495
2025-06-26

SMART eLINE OUTER DIAMETER METER RING

#9
20250191816
2025-06-12

SUPERCONDUCTING CABLES FOR ELECTRICAL SUBMERSIBLE PUMP MOTORS

#10
20250179895
2025-06-05

PRODUCTION LOGGING INSTRUMENT

#11
20250162939
2025-05-22

THERMALLY CONDUCTIVE CEMENTS AND METHODS FOR USE THEREOF

#12
20250138266
2025-05-01

MECHANICALLY RESPONSIVE FIBER OPTIC THREAD ASSEMBLY

#13
20250129707
2025-04-24

ELECTRIC SUBMERSIBLE PUMP DOWNHOLE MONITORING AND DIAGNOSTICS SYSTEM AND METHOD

#14
20250116162
2025-04-10

CONDUCTIVE ENCAPSULATION OF A TUBING ENCAPSULATED CONDUCTOR FOR POWERING EQUIPMENT IN WELLBORE OPERATIONS

#15
20250101812
2025-03-27

Split downhole transformer for high power applications

#16
20250043668
2025-02-06

CONTROLLING DOWNHOLE ELECTRICAL SUBMERSIBLE PUMP BASED ON SENSING ROTOR POSITION

#17
20240328310
2024-10-03

Wire mesh for completion tools

#18
20240295150
2024-09-05

Extensible Transition Joint For Control Line Protection

#19
20240287856
2024-08-29

INTELLIGENT MEASURING WHILE DRILLING

#20
20240280014
2024-08-22

Smart eLine outer diameter meter ring

#21
20240229573
2024-07-11

CENTRALIZER FOR DOWNHOLE PROBES

#22
20240209730
2024-06-27

SYSTEMS AND METHODS FOR DETERMINING WELL CONDITIONS BELOW A SUSPENSION TOOL

#23
20240133271
2024-04-25

Tapered string pulse power rock excavation system

#24
20240133249
2024-04-25

Centralizer for downhole probes

#25
20240117683
2024-04-11

IMPACT DEVICE FOR A DRILL STRING

#26
20240102383
2024-03-28

Downhole tool and method for operating the same

#27
20240084696
2024-03-14

Smart eLine outer diameter meter ring

#28
20240071675
2024-02-29

DOWNHOLE ELECTROMAGNETIC CORE ASSEMBLY

#29
20240052732
2024-02-15

HYDRAULICALLY ACTUATED DOUBLE-ACTING POSITIVE DISPLACEMENT PUMP SYSTEM FOR PRODUCING FLUIDS FROM A WELLBORE

#30
20230407711
2023-12-21

ELECTRICALLY CONDUCTIVE FIBER OPTIC SLICKLINE FOR COILED TUBING OPERATIONS

#31
20230407710
2023-12-21

Downhole signal-conducting and power-conducting flexible cable

#32
20230383645
2023-11-30

Double-layered wellbore tubular assembly

#33
20230340838
2023-10-26

Installation kit, hollow rod, drill string and a method for producing or reworking a hollow rod of a drill string

#34
20230287742
2023-09-14

Method and device for laser drilling

#35
20230212938
2023-07-06

Advanced drill string inground isolator housing in an MWD system and associated method

#36
20230184043
2023-06-15

Tapered string pulse power rock excavation system

#37
20230174870
2023-06-08

Configurable Universal Wellbore Reactor System

#38
20230167712
2023-06-01

Downhole joint rotator

#39
20230136000
2023-05-04

MEASURING AND MONITORING DOWNHOLE TUBING ENCASED CONDUCTOR RESISTANCE

#40
20230108320
2023-04-06

Subsea hydrocarbon flowline system and related method and use

#41
20230095574
2023-03-30

Production logging instrument

#42
20230019444
2023-01-19

DOWNHOLE ENERGY HARVESTING

#43
20220393461
2022-12-08

Downhole electrical power supply system

#44
20220356765
2022-11-10

Cable guard for securing cables to downhole systems

#45
20220349262
2022-11-03

Mechanically responsive fiber optic thread assembly

#46
20220341268
2022-10-27

ELECTRICALLY CONDUCTIVE FIBER OPTIC SLICKLINE FOR COILED TUBING OPERATIONS

#47
20220341267
2022-10-27

Extensible transition joint for control line protection

#48
20220316281
2022-10-06

ELECTRICALLY CONDUCTIVE CERAMIC CONDUCTOR FOR DOWNHOLE APPLICATIONS

#49
20220307368
2022-09-29

Active magnetic ranging by wellhead current injection

#50
20220293298
2022-09-15

Cable, in particular for downhole use, and method of manufacturing such cable

#51
20220290506
2022-09-15

Angled transmission line tension anchor for drill string components

#52
20220259937
2022-08-18

Through-bore spool apparatus

#53
20220251947
2022-08-11

Data communication in the microwave range using electrically conductive elements in a construction machine

#54
20220251907
2022-08-11

Drill pipe with fluted gun drilled passageway

#55
20220230781
2022-07-21

Electric submersible pump (ESP) power cable splice containment filler

#56
20220186567
2022-06-16

Drill string tool comprising coaxial dielectric segments

#57
20220186566
2022-06-16

Direct contact telemetry system for wired drill pipe

#58
20220178211
2022-06-09

Electrical transmission in a well using wire mesh

#59
20220170338
2022-06-02

CROSSOVER FOR A FLOW PATH FOR A FLUID TO A SUBSEA DEVICE

#60
20220170327
2022-06-02

Downhole transmission system with perforated MCEI segments

#61
20220148759
2022-05-12

Advanced insulation and jacketing for downhole power and motor lead cables

#62
20220120175
2022-04-21

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

#63
20220120161
2022-04-21

Downhole energy harvesting

#64
20220120143
2022-04-21

Downhole MCEI inductive coupler with helical coil

#65
20220034170
2022-02-03

Coated electrical connector bands and pressure compensation assemblies for downhole electrical disconnect tools

#66
20210404263
2021-12-30

JOINTED PIPE INCLUDING AN RF HEATING SYSTEM

#67
20210381319
2021-12-09

Torsion resistant gap sub

#68
20210376580
2021-12-02

Electric submersible pump cable tubing encapsulated cable splice

#69
20210355759
2021-11-18

Wired pipe and method for making

#70
20210350953
2021-11-11

Hybrid cable with connecting device

#71
20210349231
2021-11-11

Minimal electronic sensor collars

#72
20210340843
2021-11-04

Downhole power delivery

#73
20210323103
2021-10-21

Welding for electrical tools

#74
20210301645
2021-09-30

Advanced drill string inground isolator housing in an MWD system and associated method

#75
20210293135
2021-09-23

Logging operations in oil and gas applications

#76
20210293094
2021-09-23

Drill pipe segments for logging operations

#77
20210277730
2021-09-09

Utility umbilical system

#78
20210238929
2021-08-05

Cable system for downhole use and method of perforating a wellbore tubular

#79
20210230978
2021-07-29

Energy transfer mechanism for wellbore junction assembly

#80
20210230945
2021-07-29

METHOD AND SYSTEM FOR DATA-TRANSFER VIA A DRILL PIPE

#81
20210207443
2021-07-08

Centralizer for downhole probes

#82
20210198990
2021-07-01

Tubing for electric submersible pumps used in oil production

#83
20210189805
2021-06-24

Inductive coupling for electric power transfer to electric submersible motor

#84
20210164294
2021-06-03

High power laser completion drilling tool and methods for upstream subsurface applications

#85
20210158992
2021-05-27

Electrical cable for vertical applications

#86
20210143788
2021-05-13

Systems and methods for balancing unbalanced power cables

#87
20210098151
2021-04-01

High pressure electrical connector cable for oil and gas applications

#88
20210095529
2021-04-01

High pressure dual electrical collet assembly for oil and gas applications

#89
20210087889
2021-03-25

Telemetry pipe system

#90
20210071516
2021-03-11

Downhole tubing or umbilical with sensor and method for manufacturing it

#91
20210071514
2021-03-11

Production logging instrument

#92
20210062589
2021-03-04

WIRELINE PACKOFF FOR A DOWNHOLE ELECTRICAL TOOL

#93
20210032052
2021-02-04

Structure for transport and organization of large power cables on a wellsite

#94
20210005352
2021-01-07

Apparatus and methods for enhancing a coaxial line

#95
20200408087
2020-12-31

Downhole network interface unit for monitoring and control

#96
20200408045
2020-12-31

Laser induced graphene coated optical fibers

#97
20200399963
2020-12-24

Method and system for anchoring downhole communications paths

#98
20200392838
2020-12-17

Coiled tubing enabled dual telemetry system

#99
20200378204
2020-12-03

Hybrid Telemetry System for Drilling Operations

#100
20200362691
2020-11-19

Systems and methods for wireless communication in a well

#101
20200362672
2020-11-19

Systems and methods for wireless power transmission in a well

#102
20200362644
2020-11-19

Composite cables

#103
20200341226
2020-10-29

Method for manufacturing hybrid cable

#104
20200340319
2020-10-29

Through-bore spool apparatus

#105
20200318462
2020-10-08

Downhole energy harvesting

#106
20200299562
2020-09-24

Drilling fluid for downhole electrocrushing drilling

#107
20200291768
2020-09-17

Downhole electromagnetic network

#108
20200277853
2020-09-03

Electromagnetic surface wave communication in a pipe

#109
20200277840
2020-09-03

Power downhole tool via a powered drill string

#110
20200263509
2020-08-20

Ground drilling device for cable-guided drilling, method for cable-guided ground drilling , and use during cable-guided drilling

#111
20200263506
2020-08-20

Downhole connection

#112
20200240554
2020-07-30

Non-metallic cabling continuous oil pipe

#113
20200240260
2020-07-30

POLYMER INSULATED THERMOCOUPLE BUNDLES

#114
20200217145
2020-07-09

Well logging assembly

#115
20200211735
2020-07-02

Power and communications cable for coiled tubing operations

#116
20200190972
2020-06-18

Electrical downhole communication connection for downhole drilling

#117
20200182050
2020-06-11

System and Method for Downhole Telemetry

#118
20200165506
2020-05-28

Drilling fluid for downhole electrocrushing drilling

#119
20200115964
2020-04-16

Intervention system and method for operating an intervention system

#120
20200115962
2020-04-16

High power laser completion drilling tool and methods for upstream subsurface applications

#121
20200109606
2020-04-09

Cable system for downhole use and method of perforating a wellbore tubular

#122
20200102820
2020-04-02

Monitoring well installations

#123
20200056452
2020-02-20

Methods and systems for a tool with encapsulated heating cable within a wellbore

#124
20200040685
2020-02-06

Method and apparatus for clearing a well bore

#125
20200040667
2020-02-06

Drill string adapter and method for inground signal coupling

#126
20200040664
2020-02-06

Transmission line for wired pipe

#127
20200032622
2020-01-30

Powering downhole devices

#128
20200032621
2020-01-30

Downhole power delivery

#129
20200032620
2020-01-30

MULTILATERAL JUNCTION FITTING FOR INTELLIGENT COMPLETION OF WELL

#130
20200024920
2020-01-23

Systems and methods for holding wireline device against well

#131
20200020048
2020-01-16

METHOD OF PROVIDING WIRED PIPE DRILL SERVICES

#132
20190376349
2019-12-12

Flat pack having spacer between tubes

#133
20190368280
2019-12-05

High tensile strength winder connection for downhole tools

#134
20190353027
2019-11-21

Downhole probe sleeves and methods for making probe sleeves

#135
20190353011
2019-11-21

Downhole energy harvesting

#136
20190353010
2019-11-21

Downhole energy harvesting

#137
20190345817
2019-11-14

Downhole reception and transmission of electromagnetic data telemetry signals

#138
20190345813
2019-11-14

Gap sub impedance control

#139
20190345777
2019-11-14

Systems and Methods of Securing and Protecting Wellbore Control Lines

#140
20190330977
2019-10-31

Data transmission in drilling operation environments

#141
20190323322
2019-10-24

Downhole energy harvesting

#142
20190316712
2019-10-17

Sealed gap sub

#143
20190309615
2019-10-10

Advanced drill string inground isolator housing in an MWD system and associated method

#144
20190271196
2019-09-05

Spoolable splice connector and method for tubing encapsulated cable

#145
20190267156
2019-08-29

Concentric wireline cable

#146
20190264515
2019-08-29

Logging-while-tripping system and methods

#147
20190250357
2019-08-15

Photoelectric composite cable

#148
20190249544
2019-08-15

Telemetry system including a super conductor for a resource exploration and recovery system

#149
20190249543
2019-08-15

RECONFIGURABLE TOOL BUS NETWORK FOR A BOTTOM HOLE ASSEMBLY

#150
20190242518
2019-08-08

System and method for protecting one or more pipes against corrosion and corrosion-protected pipe

#151
20190242247
2019-08-08

Tubular device with radiofrequency communication for well head

#152
20190242196
2019-08-08

Method and system for data-transfer via a drill pipe

#153
20190234155
2019-08-01

Coiled tubing power cable with varying inner diameter

#154
20190218908
2019-07-18

Detection of downhole data telemetry signals

#155
20190211654
2019-07-11

Moving-riser method and system for harvesting natural gas from seabed hydrates

#156
20190203582
2019-07-04

Apparatuses and methods for sensing temperature along a wellbore using temperature sensor modules connected by a matrix

#157
20190203545
2019-07-04

Centralizer for downhole probes

#158
20190186209
2019-06-20

Pipe joint having coupled adapter

#159
20190162064
2019-05-30

Use of conductive ink in downhole electromagnetic antenna applications

#160
20190160488
2019-05-30

Electrically conductive pattern printer for downhole tools

#161
20190157861
2019-05-23

Overvoltage clamp with parallel controlled resistive path

#162
20190148861
2019-05-16

Annular wet connector

#163
20190145186
2019-05-16

Dual Motor Bidirectional Drilling

#164
20190137025
2019-05-09

Extended direct electric heating system

#165
20190136659
2019-05-09

Tester valve below a production packer

#166
20190136639
2019-05-09

Laser induced graphene coated optical fibers

#167
20190136631
2019-05-09

Systems and methods for directional drilling

#168
20190128109
2019-05-02

Intelligent well system

#169
20190128074
2019-05-02

Consumable packer element protection for improved run-in times

#170
20190120046
2019-04-25

Electromagnetic surface wave communication in a pipe

#171
20190119990
2019-04-25

Wired pipe and method for making

#172
20190112882
2019-04-18

Oil Field Services Apparatus and Methods

#173
20190109450
2019-04-11

CABLE TERMINATION ASSEMBLY AND PROCESSES FOR MAKING AND USING SAME

#174
20190100969
2019-04-04

Seal and sacrificial components for a drill string

#175
20190078408
2019-03-14

Degradable, frangible components of downhole tools

#176
20190069453
2019-02-28

Broadband wireline cable

#177
20190055833
2019-02-21

Clampless cable protector and installation system

#178
20190048667
2019-02-14

Electrical power transmission for well construction apparatus

#179
20190048666
2019-02-14

Electrical power transmission for well construction apparatus

#180
20190041540
2019-02-07

Dual mode electromagnetic imaging of a borehole

#181
20190040733
2019-02-07

Downhole tension sensing apparatus

#182
20190039855
2019-02-07

APPARATUS, SYSTEMS, AND METHODS FOR STRETCHING CABLES AND MEASURING CABLE STRETCH

#183
20190033482
2019-01-31

Use of gap subs behind a coil antenna in electromagnetic induction tools

#184
20190032469
2019-01-31

System and method for monitoring the performances of a cable carrying a downhole assembly

#185
20190024461
2019-01-24

Thru-casing section mill

#186
20190012492
2019-01-10

System and method for handling pumping units in out-of-balance condition

#187
20180374611
2018-12-27

Copper taped cable

#188
20180374607
2018-12-27

Power and communications cable for coiled tubing operations

#189
20180371862
2018-12-27

Downhole wire routing

#190
20180371848
2018-12-27

Centralizer for downhole probes

#191
20180363457
2018-12-20

Downhole low rate linear repeater relay network timing system and method

#192
20180363433
2018-12-20

System and method for electrically selectable dry fracture shale energy extraction

#193
20180355682
2018-12-13

Oil Field Services Apparatus and Methods

#194
20180347345
2018-12-06

Downhole system having tubular with signal conductor and method

#195
20180347343
2018-12-06

Methods and systems for downhole sensing and communications in wells

#196
20180340414
2018-11-29

Seal and sacrificial components for a drill string

#197
20180340387
2018-11-29

Apparatus and method for exchanging signals / power between an inner and an outer tubular

#198
20180328148
2018-11-15

Lateral deflector with feedthrough for connection to intelligent systems

#199
20180323587
2018-11-08

Electrical test splice for coiled tubing supported well pump

#200
20180320470
2018-11-08

Power feedthrough system for in-riser equipment

#201
20180313206
2018-11-01

Tracking and measurements associated with cement plugs

#202
20180291730
2018-10-11

Transceiver with annular ring of high magnetic permeability material for enhanced short hop communications

#203
20180266236
2018-09-20

Distributed sensor systems and methods

#204
20180254665
2018-09-06

POWER FEEDING DEVICE

#205
20180252095
2018-09-06

Wireless communication between downhole components and surface systems

#206
20180252049
2018-09-06

Torsion resistant gap sub

#207
20180245459
2018-08-30

Adaptive Method for High Data Rate Communication In Wells

#208
20180236604
2018-08-23

METHOD OF FORMING AN ELONGATED BODY WITH AN EMBEDDED CHANNEL

#209
20180231157
2018-08-16

COMPOSITE TO METAL JOINT AND METHOD FOR FORMING SAME

#210
20180226174
2018-08-09

WIRELINE OPERATIONS WITH COMPACTED CONDUCTER(S)

#211
20180223620
2018-08-09

Subsea flying lead

#212
20180216457
2018-08-02

Measuring while drilling systems, method and apparatus

#213
20180209252
2018-07-26

Systems and methods of power transmission for downhole applications

#214
20180202240
2018-07-19

Drill string inground isolator in an MWD system and associated method

#215
20180202238
2018-07-19

Method of forming a wired pipe transmission line

#216
20180198269
2018-07-12

Cable reinforcement sleeve for subsea cable joint

#217
20180187545
2018-07-05

Transmitting data across electrically insulating gaps in a drill string

#218
20180187544
2018-07-05

Downhole reception and transmission of electromagnetic data telemetry signals

#219
20180179828
2018-06-28

OIL AND GAS WELL DRILL PIPE ELECTRICAL AND COMMUNICATION ASSEMBLY

#220
20180171784
2018-06-21

Toroidal System and Method for Communicating in a Downhole Environment

#221
20180171777
2018-06-21

Production logging instrument

#222
20180163478
2018-06-14

High-voltage drilling methods and systems using hybrid drillstring conveyance

#223
20180155992
2018-06-07

Isolator

#224
20180155990
2018-06-07

Curbed links for wiring conduit

#225
20180148984
2018-05-31

Electromagnetic telemetry gap sub assembly with insulating collar

#226
20180148981
2018-05-31

Repetitive pulsed electric discharge drills including downhole formation evaluation

#227
20180142535
2018-05-24

Electrical conveyance for downhole tools

#228
20180094506
2018-04-05

Downhole completion system

#229
20180094492
2018-04-05

Metal-to-metal sealed power connection for submersible pump motor

#230
20180087694
2018-03-29

Subsea pipe-in-pipe structures

#231
20180087374
2018-03-29

At-surface communication with downhole tools

#232
20180087327
2018-03-29

Termination bulkheads for subsea pipe-in-pipe systems

#233
20180080289
2018-03-22

Universal downhole probe system

#234
20180068764
2018-03-08

CONDUCTOR AND CONDUIT SYSTEMS

#235
20180066774
2018-03-08

Composite drill pipe and method for forming same

#236
20180058195
2018-03-01

Magnetic detection of drill pipe connections

#237
20180051539
2018-02-22

Sealing arrangements for subsea pipe-in-pipe systems

#238
20180045038
2018-02-15

Pipe conveyed logging and drill pipe communication integration system and method

#239
20180044999
2018-02-15

DEVICE AND METHOD FOR SECURING CONDUIT INTERIOR WEAR SLEEVE

#240
20180038170
2018-02-08

Double drill rod section, double drill rod length and method of producing an electrically conductive connection in a double drill rod section

#241
20180034543
2018-02-01

Cable monitoring system and method using noise-domain reflectometry

#242
20180023767
2018-01-25

Sealing arrangements for subsea pipe-in-pipe systems

#243
20180010448
2018-01-11

Data Transmission In Drilling Operation Environments

#244
20180010409
2018-01-11

Electrically insulated tubing hanger system

#245
20180010401
2018-01-11

Method and system for data-transfer via a drill pipe

#246
20180006684
2018-01-04

AC/DC downhole power switch using switching communication system

#247
20170370198
2017-12-28

Well stimulation tool comprising an articulated link

#248
20170362490
2017-12-21

Drilling fluid for downhole electrocrushing drilling

#249
20170356587
2017-12-14

System and method for protecting one or more pipes against corrosion and corrosion-protected pipe

#250
20170356280
2017-12-14

Downhole heater

#251
20170350207
2017-12-07

Slickline shredder

#252
20170343138
2017-11-30

Composite drill pipe

#253
20170342782
2017-11-30

Dual-walled running string for electric devices with power transmission through running string

#254
20170330647
2017-11-16

Power Cable for Use with Artificial Lift Systems

#255
20170329032
2017-11-16

CIRCUITS AND METHODS FOR MONITORING CURRENT IN ELECTROMAGNETIC TELEMETRY SYSTEMS

#256
20170328198
2017-11-16

Composite slickline communication

#257
20170328156
2017-11-16

Electric submersible pump cable anchored in coiled tubing

#258
20170328137
2017-11-16

Downhole drilling tools and connection system for same

#259
20170321492
2017-11-09

Insulative coating processes for electromagnetic telemetry mandrels

#260
20170314390
2017-11-02

Stripline energy transmission in a wellbore

#261
20170298697
2017-10-19

Linear Brushless Contact Slip For High Pressure and High Temperature Downhole Application

#262
20170271045
2017-09-21

Concentric wireline cable

#263
20170268330
2017-09-21

Selecting transmission frequency based on formation properties

#264
20170254449
2017-09-07

Composite tube to metal joint apparatus

#265
20170247952
2017-08-31

Methods and apparatus for generating electromagnetic telemetry signals

#266
20170241259
2017-08-24

Sub-surface electromagnetic telemetry systems and methods

#267
20170241253
2017-08-24

METHOD AND APPARATUS FOR DIRECTIONAL DRILLING USING WIRED DRILL PIPE

#268
20170234123
2017-08-17

Detection of downhole data telemetry signals

#269
20170234113
2017-08-17

Completion deflector for intelligent completion of well

#270
20170234111
2017-08-17

Device for Removing and Preventing Paraffin by Using Electric Heating Generated from Skin Effect-based Natural Gas Electricity and Application thereof

#271
20170226849
2017-08-10

OPTIMIZATION OF ELECTROMAGNETIC TELEMETRY IN NON-VERTICAL WELLS

#272
20170222427
2017-08-03

POWER SWITCHING ARRANGEMENT FOR LINE INSULATION MONITORING

#273
20170218738
2017-08-03

Dual-walled coiled tubing with downhole flow actuated pump

#274
20170218714
2017-08-03

Downhole-Adjusting impact apparatus and methods

#275
20170211368
2017-07-27

Stripline energy transmission in a wellbore

#276
20170209889
2017-07-27

System for applying pipe dope to external threads of a pipe

#277
20170204723
2017-07-20

Wired drill pipe connector and sensor system

#278
20170204722
2017-07-20

High bitrate downhole telemetry system using two independent channels on a multi-conductor cable

#279
20170204703
2017-07-20

WELLBORE ACTIVATION SYSTEM

#280
20170204701
2017-07-20

Hydrocarbon heating system

#281
20170204681
2017-07-20

Drill string adapter and method for inground signal coupling

#282
20170204680
2017-07-20

Low profile, pressure balanced, oil expansion compensated downhole electrical connector system

#283
20170203325
2017-07-20

Electrically conductive pattern printer for downhole tools

#284
20170198538
2017-07-13

Wellbore intervention tool for penetrating obstructions in a wellbore

#285
20170198530
2017-07-13

Downhole running cable depth measurement

#286
20170186510
2017-06-29

Feed-through element for harsh environments

#287
20170184657
2017-06-29

Methods and systems for monitoring a fluid lifting device

#288
20170160503
2017-06-08

Hybrid fiber optic and graphene cable

#289
20170145777
2017-05-25

Annular barrier completion with inductive system

#290
20170145761
2017-05-25

Wired pipe auto-stabbing guide

#291
20170138132
2017-05-18

Casing Coupler Mounted EM Transducers

#292
20170138131
2017-05-18

Downhole expandable control line connector

#293
20170133124
2017-05-11

Enhanced radial support for wireline and slickline

#294
20170130843
2017-05-11

Gap-Sub and Measurement While Drilling Assemblies Using Kerros Ringed Gasket Spacers

#295
20170122477
2017-05-04

Branch structures of electrically-heated pipe-in-pipe flowlines

#296
20170122040
2017-05-04

Mud motor with integrated MWD system

#297
20170114633
2017-04-27

Data communication in wellbores

#298
20170114631
2017-04-27

Downhole zonal isolation detection system having conductor and method

#299
20170110220
2017-04-20

Synthetic Power Cable For Downhole Electrical Devices

#300
20170107794
2017-04-20

Multilateral junction fitting for intelligent completion of well