ClassID:

135131

E21B4/02 - CPC Classification

Classification description:

Drives for drilling, used in the borehole Fluid rotary type drives

Recent Application in this class:
#1
20260117768
2026-04-30

INTERVENING REINFORCEMENT LINING FOR A MUD MOTOR

#2
20260110221
2026-04-23

JOINT FOR DOWNHOLE MOTOR

#3
20260071545
2026-03-12

COMPENSATION FOR ROTOR TILT IN HYBRID PDM STATORS

#4
20260063000
2026-03-05

PROGRESSIVE CAVITY ASSEMBLY AND ASSOCIATED METHODS

#5
20260062999
2026-03-05

DOWNHOLE FLUID MOTOR AND ASSOCIATED METHODS

#6
20260055668
2026-02-26

HYDROJETS ROTARY DRILL BIT

#7
20260035999
2026-02-05

DOWNHOLE MOTOR AND RELATED SYSTEMS AND METHODS FOR CONTROLLING FORMATION CONTACT POINTS

#8
20250376894
2025-12-11

AIR ROTARY SYSTEM FOR A DOWN HOLE DRILL ASSEMBLY

#9
20250369287
2025-12-04

MECHANICAL HYDRAULIC TORQUE CONVERTER FOR HORIZONTAL WELL

#10
20250361793
2025-11-27

FLOW-THROUGH PULSING ASSEMBLY FOR USE IN DOWNHOLE OPERATIONS

#11
20250354482
2025-11-20

AIR MOTOR ASSEMBLY

#12
20250305543
2025-10-02

TRANSMISSION ASSEMBLY FOR TRANSMITTING TORQUE ACROSS AN ANGULAR CONNECTION BETWEEN A TORSIONAL DRIVE COMPONENT AND A TORSIONALLY DRIVEN COMPONENT

#13
20250297545
2025-09-25

AIR MOTOR ASSEMBLY

#14
20250297523
2025-09-25

EXTENDED REACH TOOL FOR A BOTTOM HOLE ASSEMBLY

#15
20250277409
2025-09-04

Drilling Motor Bearing Assembly

#16
20250264012
2025-08-21

SYSTEMS AND METHODS FOR REAL TIME DOWNHOLE MOTOR POWER CURVE GENERATION

#17
20250257625
2025-08-14

ON-DEMAND VIBRATION TOOL FOR DRILLING APPLICATIONS

#18
20250257620
2025-08-14

ELECTRIC DRIVEN HYDRAULIC FRACKING OPERATION

#19
20250257611
2025-08-14

DRILLING MOTOR BEARING ASSEMBLY HAVING BOTH AN INTERNAL AND AN EXTERNAL BEND

#20
20250250867
2025-08-07

ROTATING CHECK VALVE FOR IMPROVED DOWNHOLE OPERATIONS

#21
20250230722
2025-07-17

MODIFIED TORQUE GENERATOR AND METHODS OF USE

#22
20250230721
2025-07-17

DRILL STRING AND COMPONENTS THEREFOR

#23
20250230720
2025-07-17

METHODS FOR IDENTIFYING MUD MOTOR STALL EVENTS DURING BOREHOLE DRILLING OPERATIONS

#24
20250214311
2025-07-03

COMPOSITION AND METHOD TO PROMOTE BONDING ENHANCEMENT BETWEEN A METAL AND A NON-METAL SURFACE

#25
20250198246
2025-06-19

VARIABLE FREQUENCY DRIVE CONFIGURATION FOR ELECTRIC DRIVEN HYDRAULIC FRACKING SYSTEM

#26
20250179876
2025-06-05

Downhole Reamer with Rotating Sleeve

#27
20250172043
2025-05-29

PARTICLE ADJUSTING DRILLING ASSEMBLY AND METHOD

#28
20250163760
2025-05-22

DOWNHOLE EARTH-BORING ROTARY DRILL BITS COMPRISING CENTER CUTTING MODULES AND RELATED METHODS

#29
20250154831
2025-05-15

DOWNHOLE TOOL, METHOD, AND SYSTEM

#30
20250116159
2025-04-10

Directional Well Hydraulic Clutch Drill String Full Rotation Controller

#31
20250101852
2025-03-27

SURFACE STEERABLE DRILLING SYSTEM FOR USE WITH ROTARY STEERABLE SYSTEM

#32
20250101810
2025-03-27

COILED TUBING CONVEYED ELECTRICAL ORIENTER

#33
20250101809
2025-03-27

ACCESSING WELLS BELOW AN OBSTRUCTION OR DISCONTINUITY

#34
20250101720
2025-03-27

INCREASING PRODUCTION FROM WATER WELLS

#35
20250092740
2025-03-20

STATE SELF-ADAPTIVE TURBINE TYPE PULSE GENERATOR AND DOWNHOLE DRILLING TOOL

#36
20250059876
2025-02-20

STALL DETECTION AND RECOVERY FOR MUD MOTORS

#37
20250034944
2025-01-30

CLUTCH ASSEMBLY AND RELATED SYSTEMS AND METHODS

#38
20250027369
2025-01-23

POSITIVE DISPLACEMENT FLUID MOTOR AND ASSOCIATED METHOD

#39
20250020025
2025-01-16

POSITIVE DISPLACEMENT FLUID MOTOR AND ASSOCIATED METHOD

#40
20250012154
2025-01-09

Flow Control Choke With Wear Decoupling

#41
20250003302
2025-01-02

Whipstock integrated to completion string for coiled tubing operations

#42
20240426214
2024-12-26

ROTOR TILT COMPENSATION IN PDM STATORS

#43
20240418041
2024-12-19

Particle adjusting drilling assembly and method

#44
20240410252
2024-12-12

Selectively activated friction reduction tool and method

#45
20240410041
2024-12-12

Alloy for Mud Motor Shaft Applications with High Strength, High Impact Toughness and Excellent Fatigue Life

#46
20240392669
2024-11-28

Hydraulic fracturing and cutting cooperative device suitable for hard rock and use method thereof

#47
20240376783
2024-11-14

PISTON AND CYLINDER ASSEMBLY OF A DOWNHOLE TOOL, DOWNHOLE TOOL WITH A PISTON AND CYLINDER ASSEMBLY, AND METHOD OF ASSEMBLING THE PISTON AND CYLINDER

#48
20240376782
2024-11-14

Drilling system with mud motor and annular flow restrictor

#49
20240368954
2024-11-07

Cutting a wellbore tubular

#50
20240309704
2024-09-19

DRILL STRING-CONNECTED PROTECTION FROM BOREHOLE PULSATION ENERGIES

#51
20240301779
2024-09-12

ELECTRIC DRIVEN HYDRAULIC FRACKING SYSTEM

#52
20240263516
2024-08-08

FLEXIBLE TRANSMISSION DRIVE JOINT

#53
20240254834
2024-08-01

HYDRAULIC MOTOR

#54
20240247556
2024-07-25

PARAMETER MONITORING AND CONTROL FOR AN ELECTRIC DRIVEN HYDRAULIC FRACKING SYSTEM

#55
20240191786
2024-06-13

Systems and methods that use harmonic drives for converting reciprocating axial motion to continuous rotary motion, helical drives for converting reciprocating rotary motion to reciprocating axial motion and combinations thereof for converting reciprocating rotary motion to continuous rotary motion

#56
20240191577
2024-06-13

HORIZONTAL DIRECTIONAL DRILL WITH FREEWHEEL MODE

#57
20240183223
2024-06-06

DOWNHOLE ROTARY DRIVE APPARATUS

#58
20240159277
2024-05-16

Transmission assembly for transmitting torque across an angular connection between a torsional drive component and a torsionally driven component

#59
20240117696
2024-04-11

EXTENDED REACH TOOL FOR A BOTTOM HOLE ASSEMBLY

#60
20240093648
2024-03-21

METHODS AND SYSTEMS FOR SUPPLYING FUEL TO GAS TURBINE ENGINES

#61
20240068314
2024-02-29

Modified torque generator and methods of use

#62
20240044251
2024-02-08

High modulus liners in PDM stators with diameter reliefs compensating for rotor tilt

#63
20240044219
2024-02-08

REDUCTION OF EQUIVALENT CIRCULATING DENSITY IN WELL OPERATIONS

#64
20240026880
2024-01-25

Mud motor rotor with core and shell

#65
20240026738
2024-01-25

Rotor bearing system

#66
20240011381
2024-01-11

Electric driven hydraulic fracking system

#67
20240003241
2024-01-04

MOTOR EFFICIENCY AND DEGRADATION INTERPRETATION SYSTEM

#68
20240003208
2024-01-04

Variable frequency drive configuration for electric driven hydraulic fracking system

#69
20240003199
2024-01-04

PRESSURE WAVE-BASED STEERING AND COMMUNICATION SYSTEMS

#70
20240003191
2024-01-04

Rotation converter

#71
20230417126
2023-12-28

FLOW-THROUGH PULSING ASSEMBLY FOR USE IN DOWNHOLE OPERATIONS

#72
20230392461
2023-12-07

Electric driven hydraulic fracking operation

#73
20230374860
2023-11-23

Drive device for rotatable operation of a drill bit of a down-the-hole hammer

#74
20230366280
2023-11-16

Parameter monitoring and control for an electric driven hydraulic fracking system

#75
20230366270
2023-11-16

Hydraulically driven rotating string reamer and methods

#76
20230304388
2023-09-28

Systems and methods for positive displacement motor diagnostics and failure prediction

#77
20230304368
2023-09-28

Variable frequency drive configuration for electric driven hydraulic fracking system

#78
20230295988
2023-09-21

Clutch assembly and related systems and methods

#79
20230279728
2023-09-07

Wired downhole adjustable mud motors

#80
20230250720
2023-08-10

Wireless integrated data recorder

#81
20230228152
2023-07-20

Positive displacement motor with a thermoplastic stator that can be replaceable

#82
20230212992
2023-07-06

Methods and systems for supplying fuel to gas turbine engines

#83
20230203895
2023-06-29

Cold spraying a coating onto a rotor in a downhole motor assembly

#84
20230193696
2023-06-22

HYBRID DRILLING AND TRIMMING TOOL AND METHODS

#85
20230184036
2023-06-15

Lubricating downhole-type rotating machines

#86
20230167686
2023-06-01

Downhole motor or pump with stator manufactured with cold spray

#87
20230167685
2023-06-01

Drilling system with mud motor including mud lubricated bearing assembly

#88
20230160271
2023-05-25

Electric driven hydraulic fracking operation

#89
20230160261
2023-05-25

Optimized adhesive thickness for metal-to-elastomer bonding in oilfield mud motor and pump stators

#90
20230131841
2023-04-27

Adjustable fins on a turbine

#91
20230130532
2023-04-27

SEAL SYSTEM

#92
20230107576
2023-04-06

DRILLING TURBINE AND METHOD OF DIRECTIONAL DRILLING

#93
20230101951
2023-03-30

ROTATIONAL SPEED REDUCTION IN DOWNHOLE TOOL ASSEMBLIES

#94
20230096992
2023-03-30

Coring apparatus for rubber stator

#95
20230082691
2023-03-16

Directional core drilling system

#96
20230078075
2023-03-16

Horizontal directional drill with freewheel mode

#97
20230067381
2023-03-02

Method for anti-corrosion treating an oil well with an oil in water emulsion

#98
20230065707
2023-03-02

Positive displacement motor stators with diameter reliefs compensating for rotor tilt

#99
20230061848
2023-03-02

Variable frequency drive configuration for electric driven hydraulic fracking system

#100
20230053758
2023-02-23

Double acting rotary and hammering tool

#101
20230048551
2023-02-16

Lubrication System for Continuous High-Power Turbine Fracturing Equipment

#102
20230048387
2023-02-16

Corrosion protection method for wellbore piping

#103
20230033487
2023-02-02

Power distribution trailer for an electric driven hydraulic fracking system

#104
20230033433
2023-02-02

Parameter monitoring and control for an electric driven hydraulic fracking system

#105
20230020763
2023-01-19

Wireless integrated data recorder

#106
20230015581
2023-01-19

Continuous high-power turbine fracturing equipment

#107
20230011364
2023-01-12

Mud Motor Bearing Assembly for use with a Drilling System

#108
20230003083
2023-01-05

Hydraulic tools, drilling systems including hydraulic tools, and methods of using hydraulic tools

#109
20220412204
2022-12-29

Stall detection and recovery for mud motors

#110
20220389819
2022-12-08

Full-metal anti-high temperature cycloid downhole motor

#111
20220381103
2022-12-01

Junk recovery tools and systems and methods of collecting junk

#112
20220372861
2022-11-24

Slide-rotate ratio mode optimization for mud motor trajectory control

#113
20220356772
2022-11-10

Electric driven hydraulic fracking operation

#114
20220333443
2022-10-20

Method and apparatus for testing and confirming a successful downlink to a rotary steerable system

#115
20220325584
2022-10-13

Drive Shaft Assembly for Downhole Drilling and Method for Using Same

#116
20220316288
2022-10-06

High-pressure drilling assembly

#117
20220307364
2022-09-29

Drilling system with gas detection system for use in drilling a well

#118
20220298911
2022-09-22

Slide and rotation projection for reducing friction while drilling

#119
20220298863
2022-09-22

Motor power section with integrated sensors

#120
20220259931
2022-08-18

Variable frequency drive configuration for electric driven hydraulic fracking system

#121
20220220827
2022-07-14

Wireline clean-out tool having improved capacity

#122
20220220816
2022-07-14

Parameter monitoring and control for an electric driven hydraulic fracking system

#123
20220213749
2022-07-07

Drilling control mechanism of core drilling rig

#124
20220213746
2022-07-07

Coring drill tool driving structure

#125
20220213745
2022-07-07

Driving system for core drilling rig

#126
20220213739
2022-07-07

Drilling mechanism of coring drilling rig

#127
20220205339
2022-06-30

Downhole tool assemblies for drilling wellbores and methods for operating the same

#128
20220205324
2022-06-30

Drill string-connected protection from borehole pulsation energies

#129
20220186567
2022-06-16

Drill string tool comprising coaxial dielectric segments

#130
20220170332
2022-06-02

Electric driven hydraulic fracking operation

#131
20220145882
2022-05-12

PROGRESSING CAVITY DEVICES AND ASSEMBLIES FOR COUPLING MULTIPLE STAGES OF PROGRESSING CAVITY DEVICES

#132
20220145706
2022-05-12

Hydraulic tools, drilling systems including hydraulic tools, and methods of using hydraulic tools

#133
20220145705
2022-05-12

Offset coupling for mud motor drive shaft

#134
20220127945
2022-04-28

Electric driven hydraulic fracking system

#135
20220127924
2022-04-28

Modified torque generator and methods of use

#136
20220120262
2022-04-21

Continuous high-power turbine fracturing equipment

#137
20220120138
2022-04-21

Reversible polycrystalline diamond compact bit

#138
20220112785
2022-04-14

Steering system for use with a drill string

#139
20220106859
2022-04-07

Downhole wellbore treatment system and method

#140
20220090450
2022-03-24

Reducing friction in a drill string and cleaning a wellbore

#141
20220081973
2022-03-17

Drillable adaptive turbine guide shoe

#142
20220065089
2022-03-03

Power distribution trailer for an electric driven hydraulic fracking system

#143
20220042385
2022-02-10

Parameter monitoring and control for an electric driven hydraulic fracking system

#144
20220042375
2022-02-10

Hydraulic drive in front of a drilling apparatus

#145
20220034165
2022-02-03

Tunable wellbore pulsation valve and methods of use to eliminate or substantially reduce wellbore wall friction for increasing drilling rate-of-progress (ROP)

#146
20220025742
2022-01-27

Continuous circulation and rotation for liner deployment to prevent stuck

#147
20220025723
2022-01-27

Electric driven hydraulic fracking operation

#148
20220006352
2022-01-06

Magnetic supporting of thrust load for downhole-type artificial lift system

#149
20220003060
2022-01-06

Variable frequency drive configuration for electric driven hydraulic fracking system

#150
20220003044
2022-01-06

Wired downhole adjustable mud motors

#151
20210404542
2021-12-30

Systems and methods that use harmonic drives for converting reciprocating axial motion to continuous rotary motion, helical drives for converting reciprocating rotary motion to reciprocating axial motion and combinations thereof for converting reciprocating rotary motion to continuous rotary motion

#152
20210404258
2021-12-30

Method of drilling a wellbore

#153
20210396274
2021-12-23

Transmission assembly for transmitting torque across an angular connection between a torsional drive component and a torsionally driven component

#154
20210396079
2021-12-23

Systems and methods for forming a subterranean borehole

#155
20210363826
2021-11-25

System and method for a radial support in a stator housing

#156
20210348471
2021-11-11

Fracturing relief method for stress concentration of remaining ore pillars in overlying goaf

#157
20210340818
2021-11-04

Drilling mud motor clutch

#158
20210332653
2021-10-28

Electric driven hydraulic fracking system

#159
20210310486
2021-10-07

Tapered stators in positive displacement motors remediating effects of rotor tilt

#160
20210310320
2021-10-07

Electric driven hydraulic fracking operation

#161
20210310313
2021-10-07

DRILL STRING

#162
20210301642
2021-09-30

Using high rate telemetry to improve drilling operations

#163
20210301608
2021-09-30

Parameter monitoring and control for an electric driven hydraulic fracking system

#164
20210301595
2021-09-30

Directional drilling

#165
20210285432
2021-09-16

Continuous high-power turbine fracturing equipment

#166
20210285310
2021-09-16

Process heater for water based fluid

#167
20210285289
2021-09-16

Downhole power drilling tool having multi-stage dual plunger eccentric gear mechanism

#168
20210277748
2021-09-09

Systems and methods for recycling excess energy

#169
20210277719
2021-09-09

Mud motor rotor with core and shell

#170
20210270097
2021-09-02

Detecting a mud motor stall

#171
20210254455
2021-08-19

Downhole telemetry system having a mud-activated power generator and method therefor

#172
20210254454
2021-08-19

Downhole telemetry system having an electro-magnetic reciever and a mud pulser and method therefor

#173
20210246773
2021-08-12

Power distribution trailer for an electric driven hydraulic fracking system

#174
20210246765
2021-08-12

Active alternator control in a downhole tool string

#175
20210222503
2021-07-22

Variable frequency drive configuration for electric driven hydraulic fracking system

#176
20210214824
2021-07-15

Alloy for Mud Motor Shaft Applications with High Strength, High Impact Toughness and Excellent Fatigue Life

#177
20210207437
2021-07-08

Ball transfer mechanism with polycrystalline diamond bearing support

#178
20210198979
2021-07-01

Flow-through pulsing assembly for use in downhole operations

#179
20210198950
2021-07-01

Dual-speed dual—core enhanced drilling equipment

#180
20210189848
2021-06-24

Undercured stator for mud motor

#181
20210180592
2021-06-17

Smart drilling motor stator

#182
20210172251
2021-06-10

Mud motor catch with catch indication and anti-milling

#183
20210148171
2021-05-20

Method of forming stators for downhole motors

#184
20210140240
2021-05-13

Lubricating downhole-type rotating machines

#185
20210140239
2021-05-13

Dynamic drilling systems and methods

#186
20210131258
2021-05-06

Autodriller contextual scaling

#187
20210115743
2021-04-22

Variable frequency drive configuration for electric driven hydraulic fracking system

#188
20210108473
2021-04-15

Parameter monitoring and control for an electric driven hydraulic fracking system

#189
20210102049
2021-04-08

Elastomer Compounds for Use Within a Borehole

#190
20210095601
2021-04-01

Methods and systems for supplying fuel to gas turbine engines

#191
20210087883
2021-03-25

POWER DRIVE SYSTEM FOR FRACTURING PUMP

#192
20210079743
2021-03-18

Electric driven hydraulic fracking system

#193
20210062596
2021-03-04

Power distribution trailer for an electric driven hydraulic fracking system

#194
20210054694
2021-02-25

Downhole motor assemblies, systems and methods

#195
20210040797
2021-02-11

Drive shaft assembly for downhole drilling and method for using same

#196
20210025239
2021-01-28

Downhole adjustable bend assemblies

#197
20210025234
2021-01-28

Self-propelled drilling head

#198
20200406357
2020-12-31

Wear resistant self-lubricating additive manufacturing parts and part features

#199
20200392792
2020-12-17

Self initiating bend motor for coil tubing drilling

#200
20200386096
2020-12-10

Wireless integrated data recorder

#201
20200362687
2020-11-19

Stall detection and recovery for mud motors

#202
20200347677
2020-11-05

Drilling motor interior valve

#203
20200347676
2020-11-05

Wear resistant vibration assembly and method

#204
20200340313
2020-10-29

Parameter monitoring and control for an electric driven hydraulic fracking system

#205
20200332600
2020-10-22

Drilling assembly with a small hydraulic downhole motor

#206
20200332599
2020-10-22

Steering pad overextension prevention for rotary steerable system

#207
20200332598
2020-10-22

Self-adjusting downhole motor

#208
20200325731
2020-10-15

Steering system for use with a drill string

#209
20200325728
2020-10-15

Lubricating downhole-type rotating machines

#210
20200308912
2020-10-01

Flowing drilling apparatus and flow drilling process

#211
20200300050
2020-09-24

FRAC PUMP AUTOMATIC RATE ADJUSTMENT AND CRITICAL PLUNGER SPEED INDICATION

#212
20200300049
2020-09-24

Wellbore cleanout tool

#213
20200291723
2020-09-17

Coring apparatus for rubber stator

#214
20200284135
2020-09-10

Surface steerable drilling system for use with rotary steerable system

#215
20200277825
2020-09-03

Methods to attach highly wear resistant materials to downhole wear components

#216
20200270733
2020-08-27

HIGH VELOCITY AIR FUEL (HVAF) COATED RADIAL BEARINGS

#217
20200263528
2020-08-20

Electric driven hydraulic fracking operation

#218
20200256311
2020-08-13

Load balanced power section of progressing cavity device

#219
20200240213
2020-07-30

Rotary steerable system

#220
20200240212
2020-07-30

Bent housing drilling motor with counter-rotating lower end

#221
20200232281
2020-07-23

Apparatus for drilling an oil well using a downhole powered rotating drill shoe mounted on casing or liner

#222
20200231734
2020-07-23

Prepolymer of elastomer material for screw drilling tool and preparation method thereof

#223
20200224497
2020-07-16

Fluid Pulse Apparatus

#224
20200199959
2020-06-25

Drilling speed increasing device driven by downhole motor for generating shock vibration

#225
20200199939
2020-06-25

Methods and systems of creating pressure pulses for pulse telemetry for MWD tools using a direct drive hydraulic ram

#226
20200199938
2020-06-25

Methods and systems of creating pressure pulses for pulse telemetry for MWD tools using a direct drive hydraulic ram

#227
20200165872
2020-05-28

Downhole motor bearing pack

#228
20200149364
2020-05-14

Milling tools with a secondary attrition system

#229
20200141187
2020-05-07

Selective activation of motor in a downhole assembly

#230
20200141186
2020-05-07

Mud-lubricated bearing assembly with lower seal

#231
20200131871
2020-04-30

Downhole flow diversion device with oscillation damper

#232
20200124109
2020-04-23

Down-hole motor universal joint assembly

#233
20200124108
2020-04-23

Down-hole motor universal joint assembly

#234
20200109604
2020-04-09

Downhole pulsation system and method

#235
20200102816
2020-04-02

Verifiable downlinking method

#236
20200095836
2020-03-26

Mud motor stall protector

#237
20200080409
2020-03-12

SYSTEM AND METHOD FOR OPTIMIZING DRILLING WITH A ROTARY STEERABLE SYSTEM

#238
20200080378
2020-03-12

Directional drilling apparatus using water hammer unit

#239
20200063496
2020-02-27

Steerable earth boring assembly with differential braking

#240
20200056472
2020-02-20

Rotation monitoring with magnetic film

#241
20200056429
2020-02-20

Shaft deflector with a deflection adjusting mechanism

#242
20200056428
2020-02-20

Mud motors with thrust bearing with enhanced torque

#243
20200040659
2020-02-06

Adjustable double bend steerable drilling motor

#244
20200018130
2020-01-16

Drilling motor having sensors for performance monitoring

#245
20200018120
2020-01-16

Sensor equipped downhole motor assembly and method

#246
20200003050
2020-01-02

Fluid pressure pulse generator for a telemetry tool

#247
20190368961
2019-12-05

Method for the calibration of a top drive and top drive for a drill string

#248
20190368325
2019-12-05

Axial gap generator measurement tool

#249
20190360308
2019-11-28

Multi-cycle wellbore clean-out tool

#250
20190352967
2019-11-21

Universal vane actuator system with corner seals and differential rotation mechanisms

#251
20190345770
2019-11-14

Downhole tool assembly advancement through wellbore

#252
20190345769
2019-11-14

Rotational speed reduction in downhole tool assemblies

#253
20190345768
2019-11-14

Pressure compensation system for a rotary drilling tool string which includes a rotary steerable component

#254
20190338609
2019-11-07

Coring apparatus

#255
20190338597
2019-11-07

ROTARY DRIVE APPARATUS

#256
20190330968
2019-10-31

Real-time modification of a slide drilling segment based on continuous downhole data

#257
20190330926
2019-10-31

Wired downhole adjustable mud motors

#258
20190330925
2019-10-31

Hybrid bearing assemblies for downhole motors

#259
20190323335
2019-10-24

Downhole motor stall detection

#260
20190316895
2019-10-17

Mud motor control using eccentricity measurement

#261
20190316444
2019-10-17

Coiled Tubing Assembly

#262
20190316431
2019-10-17

Methods for wellbore milling operations

#263
20190309621
2019-10-10

Drilling communication system with Wi-Fi wet connect

#264
20190301273
2019-10-03

Nonstop transition from rotary drilling to slide drilling

#265
20190299497
2019-10-03

Method for forming a mud motor stator

#266
20190292867
2019-09-26

Downhole vibratory apparatus

#267
20190292855
2019-09-26

Downhole force generating tool

#268
20190277092
2019-09-12

Downhole vibratory tool with fluid driven rotor

#269
20190277091
2019-09-12

Wired motor for realtime data

#270
20190257162
2019-08-22

Mitigating drilling circulation loss

#271
20190257155
2019-08-22

Drilling system, biasing mechanism and method for directionally drilling a borehole

#272
20190234208
2019-08-01

System and method for surface management of drill-string rotation for whirl reduction

#273
20190234149
2019-08-01

Downhole adjustable bend assemblies

#274
20190218863
2019-07-18

Reaming device connecting to downhole motor with paralleled driving structure

#275
20190218648
2019-07-18

Alloy for Mud Motor Shaft Applications with High Strength, High Impact Toughness and Excellent Fatigue Life

#276
20190203537
2019-07-04

Drilling assembly having a tilted or offset driveshaft

#277
20190195286
2019-06-27

Universal driveshaft assembly

#278
20190195021
2019-06-27

Hydraulic motor for a drilling system

#279
20190186204
2019-06-20

Stator and rotor profile for improved power section performance and reliability

#280
20190178043
2019-06-13

Rig control apparatus, system, and method for improved mud-pulse telemetry

#281
20190162046
2019-05-30

Diverter valve for a bottom hole assembly

#282
20190154081
2019-05-23

Stabilizers and bearings for extreme wear applications

#283
20190153862
2019-05-23

METHOD AND SYSTEM OF COAL MINE ROOF STABILIZATION

#284
20190153820
2019-05-23

Flow-through pulsing assembly for use in downhole operations

#285
20190153782
2019-05-23

Drilling tool with near-bit electronics

#286
20190145374
2019-05-16

Load balanced power section of progressing cavity device

#287
20190145186
2019-05-16

Dual Motor Bidirectional Drilling

#288
20190136628
2019-05-09

Bearings for downhole drilling motors

#289
20190128391
2019-05-02

Systems and methods that use harmonic drives for converting reciprocating axial motion to continuous rotary motion, helical drives for converting reciprocating rotary motion to reciprocating axial motion and combinations thereof for converting reciprocating rotary motion to continuous rotary motion

#290
20190128108
2019-05-02

Methods and systems for use with a positive displacement motor

#291
20190107127
2019-04-11

Fluid-powered linear motor with rotary pistons and motion rectifier

#292
20190093654
2019-03-28

DOWNHOLE MOTOR-PUMP ASSEMBLY

#293
20190089290
2019-03-21

High speed motor drive

#294
20190085672
2019-03-21

Sealless downhole system with magnetically supported rotor

#295
20190085671
2019-03-21

Thrust load support for downhole-type system

#296
20190085669
2019-03-21

Active magnetic bearing control for downhole-type system

#297
20190085668
2019-03-21

Axial gap generator measurement tool

#298
20190085656
2019-03-21

Drill string apparatus with integrated annular barrier and port collar, methods, and systems

#299
20190063156
2019-02-28

Coring apparatus for rubber stator

#300
20190040732
2019-02-07

Control system and methods for moving a coiled tubing string