ClassID:

135669

E21B44/02 - CPC Classification

Classification description:

Automatic control systems specially adapted for drilling operations, i.e. self-operating systems which function to carry out or modify a drilling operation without intervention of a human operator, e.g. computer-controlled drilling systems ; Systems specially adapted for monitoring a plurality of drilling variables or conditions Automatic control of the tool feed

Sub-classes:
Recent Application in this class:
#1
20260117640
2026-04-30

SYSTEM AND METHODS FOR IMPROVED DRILL PATH ACCURACY

#2
20260092520
2026-04-02

ADAPTIVE COLLARING USING ROCK FRACTURE INDICATION

#3
20260092518
2026-04-02

ADAPTIVE PARAMETER ESTIMATION FOR STATIC AND DYNAMIC WELLBORE SURVEYS

#4
20260049546
2026-02-19

SYSTEMS AND METHODS FOR PERFORMING LOCAL OPTIMIZATION OF ROCK PROPERTY ESTIMATION IN GEOLOGICAL FORMATIONS

#5
20260043325
2026-02-12

DYNAMIC LOAD RESISTANT DRILLING SYSTEM

#6
20260028887
2026-01-29

BLOCK VELOCITY DETERMINATION SYSTEM AND METHODS

#7
20260022632
2026-01-22

AUTOMATED ZEROING FOR DRILLING OPERATIONS

#8
20260015933
2026-01-15

METHODS AND SYSTEMS FOR PREDICTION OF AN OPTIMAL RANGE FOR GAS LIFT INJECTION AND OPTIMAL LIQUID PRODUCTION RATE FOR OIL WELLS

#9
20260010146
2026-01-08

METHOD FOR EQUIPMENT CONTROL

#10
20250334039
2025-10-30

GAIN CONTROL FOR STEERING DOWNHOLE TOOL

#11
20250320807
2025-10-16

GEOSTEERING METHODS AND SYSTEMS FOR IMPROVED DRILLING PERFORMANCE

#12
20250238019
2025-07-24

METHOD FOR EQUIPMENT CONTROL

#13
20250215778
2025-07-03

INTEGRATED MODELLING, ESTIMATION, AND CONTROL OF WEIGHT-ON-BIT AND STEERING FORCE IN DIRECTIONAL DRILLING

#14
20250188801
2025-06-12

DRILLING ASSEMBLY SYSTEMS AND METHODS

#15
20250180770
2025-06-05

UTILIZING DRILLING DATA IN CONJUNCTION WITH A LEARNING MACHINE TO REALISTICALLY MAP GEOLOGY

#16
20250179903
2025-06-05

SYSTEM AND METHOD FOR DRILLING A BOREHOLE

#17
20250059876
2025-02-20

STALL DETECTION AND RECOVERY FOR MUD MOTORS

#18
20250052147
2025-02-13

OFFSET WELL IDENTIFICATION AND PARAMETER SELECTION

#19
20250034982
2025-01-30

TRIMMING ATTACHMENT TOOL AND METHODS

#20
20250027402
2025-01-23

PARAMETER INFERENCE, DEPTH ESTIMATION, AND ANOMALY DETECTION FOR CONVEYANCE AUTOMATION

#21
20250003326
2025-01-02

DRILLING SYSTEM CONTROL FOR REDUCING STICK-SLIP BY CALCULATING AND REDUCING ENERGY OF UPGOING ROTATIONAL WAVES IN A DRILLSTRING

#22
20240427311
2024-12-26

Linear Actuator Buckling Force Control

#23
20240418072
2024-12-19

Method for monitoring overburden when advance working in the ground, and advance- working device

#24
20240401463
2024-12-05

APPARATUS AND METHODS FOR AUTOMATED SLIDE DRILLING

#25
20240401462
2024-12-05

SYSTEM AND METHOD FOR WELL DRILLING CONTROL BASED ON BOREHOLE CLEANING

#26
20240401461
2024-12-05

SYSTEM AND METHODOLOGY FOR DETERMINING APPROPRIATE RATE OF PENETRATION IN DOWNHOLE APPLICATIONS

#27
20240392628
2024-11-28

Hydraulic system with safety mode, rock drilling rig and method

#28
20240384642
2024-11-21

INTEGRATED WELL CONSTRUCTION SYSTEM OPERATIONS

#29
20240368950
2024-11-07

DRILL PIPE TALLY SYSTEM

#30
20240360724
2024-10-31

METHOD AND APPARATUS FOR CONTROLLING A ROTARY STEERABLE SYSTEM USING CLOSED-LOOP SYSTEM(S)

#31
20240352857
2024-10-24

AUTOMATED UPDATING OF GEOLOGICAL MODEL BOUNDARIES FOR IMPROVED ORE EXTRACTION

#32
20240352799
2024-10-24

DOWNHOLE COMPONENT HAVING A VARIABLE BENDING STIFFNESS

#33
20240309745
2024-09-19

Guidance System and Navigational Aid for Trenchless Construction

#34
20240295172
2024-09-05

SYSTEM AND METHOD FOR UTILIZING TRACKING FUNCTIONS FOR DRILLING CONTROL

#35
20240287889
2024-08-29

METHODS, SYSTEMS, AND COMPUTER-READABLE MEDIA FOR PERFORMING AUTOMATED DRILLING OF A WELLBORE

#36
20240287888
2024-08-29

INTEGRATED WELL CONSTRUCTION SYSTEM OPERATIONS

#37
20240280978
2024-08-22

Method and Apparatus to Automate Pump-Down Operation

#38
20240271488
2024-08-15

ARRANGEMENT AND METHOD FOR HEATING HYDRAULIC IMPACT DEVICE

#39
20240263552
2024-08-08

APPARATUS AND METHODS FOR DETERMINING INFORMATION FROM A WELL

#40
20240248235
2024-07-25

Machine learning proxy model for parameter tuning in oilfield production operations

#41
20240229634
2024-07-11

SYSTEM AND METHOD FOR DRILLING A BOREHOLE

#42
20240184270
2024-06-06

Method for equipment control

#43
20240175345
2024-05-30

Method of, and a System for, Controlling a Drilling Operation

#44
20240175322
2024-05-30

Horizontal directional drill with freewheel mode

#45
20240175321
2024-05-30

Horizontal directional drill with freewheel mode

#46
20240175320
2024-05-30

HORIZONTAL DIRECTIONAL DRILL WITH FREEWHEEL MODE

#47
20240175319
2024-05-30

HORIZONTAL DIRECTIONAL DRILL WITH FREEWHEEL MODE

#48
20240159137
2024-05-16

A FEED UNIT FOR FEEDING A CORE DRILL BIT INTO A WORK OBJECT

#49
20240117726
2024-04-11

METHODS AND SYSTEMS FOR DRILLING

#50
20240093590
2024-03-21

METHODS AND SYSTEMS FOR ADAPTIVE NON-CONTACT / CONTACT BORING

#51
20240076979
2024-03-07

Friction for cutting plug

#52
20240054577
2024-02-15

CONSTRUCTION METHOD AND ARRANGEMENT FOR CARRYING OUT A CONSTRUCTION PROJECT

#53
20240044241
2024-02-08

Method and apparatus for steering a bit using a quill and based on learned relationships

#54
20240044240
2024-02-08

SYSTEM AND METHOD FOR DETECTING A MODE OF DRILLING

#55
20240019599
2024-01-18

RESERVOIR PROPERTIES DERIVED USING ULTRA-DEEP RESISTIVITY INVERSION DATA

#56
20240011387
2024-01-11

Arrangement of controlling drilling parameters during extraction of a drill string

#57
20240003241
2024-01-04

MOTOR EFFICIENCY AND DEGRADATION INTERPRETATION SYSTEM

#58
20240003240
2024-01-04

REAL-TIME AUTOMATED GEOSTEERING INTERPRETATION USING ADAPTIVE COMBINED HEATMAPS

#59
20240003194
2024-01-04

Method for predicting rock formation abrasiveness and bit wear

#60
20230407716
2023-12-21

AUTONOMOUS TRACTOR USING COUNTER FLOW-DRIVEN PROPULSION

#61
20230383640
2023-11-30

CROWDING AVOIDANCE APPARATUS AND METHOD

#62
20230366307
2023-11-16

Systems and methods for controlling a drilling operation

#63
20230313667
2023-10-05

Force measurements about secondary contacting structures

#64
20230313666
2023-10-05

System and method to predict and optimize drilling activities

#65
20230304390
2023-09-28

Downhole device communication using measured electrical property of supplied power

#66
20230304389
2023-09-28

Systems And Method For Creating A Predictive Model For Optimizing Drill Parameters

#67
20230304358
2023-09-28

Horizontal directional drill with freewheel mode

#68
20230296010
2023-09-21

Real-time model of rig and bit hydraulics efficiency

#69
20230266747
2023-08-24

Method for equipment control

#70
20230259077
2023-08-17

Method of, and a system for, drilling to a position relative to a geological boundary

#71
20230243252
2023-08-03

Apparatus for automated slide drilling

#72
20230243251
2023-08-03

Real-time curvature estimation for autonomous directional drilling

#73
20230236336
2023-07-27

Motion detection while drilling

#74
20230235657
2023-07-27

Wellbore drilling system

#75
20230220761
2023-07-13

Systems and methods for segmenting rock particle instances

#76
20230220760
2023-07-13

SYSTEM AND METHOD FOR DRILLING MUD ANALYSIS, LOGGING AND DRILLING CONTROL

#77
20230212935
2023-07-06

METHOD AND SYSTEM FOR CONTROLLING DRILL FUNCTIONALITY

#78
20230203934
2023-06-29

Methods for monitoring solids content during drilling operations

#79
20230203933
2023-06-29

Real time drilling model updates and parameter recommendations with caliper measurements

#80
20230184095
2023-06-15

Transducer assembly for oil and gas wells

#81
20230184081
2023-06-15

Error-space feedback controller for drill bit steering

#82
20230184049
2023-06-15

Apparatus for fitting to a wellbore, downhole tool, lubricator for fitting to a wellhead and method of transferring power

#83
20230175390
2023-06-08

Identifying formation layer tops while drilling a wellbore

#84
20230175381
2023-06-08

Activating a reference point

#85
20230167730
2023-06-01

Crowding avoidance apparatus and method

#86
20230151726
2023-05-18

Control of drilling curvature

#87
20230151696
2023-05-18

APPARATUS AND METHODS FOR CONTROLLING DRILLING

#88
20230137825
2023-05-04

Force measurements about secondary contacting structures

#89
20230136108
2023-05-04

A METHOD PERFORMED BY A CONTROL DEVICE FOR CONTROLLING THE FEEDING DISTANCE AND FEEDING RATE IN A ROCK DRILLING UNIT, A ROCK DRILLING UNIT AND A ROCK DRILLING RIG

#90
20230130310
2023-04-27

Steering actuation feedback for a rotary steerable system

#91
20230125398
2023-04-27

Method for improved drilling performance and preserving bit conditions utilizing real-time drilling parameters optimization

#92
20230087793
2023-03-23

Systems and methods for real-time well surveillance

#93
20230086593
2023-03-23

Method and apparatus for generating artificial permeability during completion phase

#94
20230076707
2023-03-09

Coiled tubing operating system and coiled tubing operating method

#95
20230059507
2023-02-23

CALIBRATION OF DRILLSTRING WEIGHT FOR FRICTION FACTOR ESTIMATION

#96
20230039266
2023-02-09

METHODS AND APPARATUS FOR CREATING AND USING A MULTI-DIMENSIONAL DATA MATRIX TO IDENTIFY AN OPTIMUM ROTARY STEERABLE SYSTEM SETTING

#97
20230012783
2023-01-19

Method for equipment control

#98
20220412205
2022-12-29

Casing wear and pipe defect determination using digital images

#99
20220412204
2022-12-29

Stall detection and recovery for mud motors

#100
20220403703
2022-12-22

Utility pipe installation protection system

#101
20220389763
2022-12-08

Methods and systems for adaptive non-contact / contact boring

#102
20220372871
2022-11-24

System for performing comparison of received cuttings weights from a rig site cuttings storage unit and expected cuttings weight calculated using well bore geometry and received real time formation density data from LWD tools

#103
20220372870
2022-11-24

Downhole communication systems

#104
20220372862
2022-11-24

Method and apparatus for automatically modifying a drilling path in response to a reversal of a predicted trend

#105
20220364439
2022-11-17

Heating a formation of the earth while drilling a wellbore

#106
20220356797
2022-11-10

SYSTEMS AND METHODS FOR DRILLING

#107
20220349260
2022-11-03

Method and apparatus for controlling a rotary steerable system using closed-loop system(s)

#108
20220316278
2022-10-06

Well path drilling trajectory and control for geosteering

#109
20220307365
2022-09-29

Method and system for rate of penetration optimization using artificial intelligence techniques

#110
20220307364
2022-09-29

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

#111
20220298910
2022-09-22

Estimating wellbore curvature using pad displacement measurements

#112
20220298909
2022-09-22

SENSOR ARRANGEMENT

#113
20220298908
2022-09-22

System and method of hydrocarbon detection using nonlinear model frequency slope

#114
20220282609
2022-09-08

Drill bit wear and behavior analysis and correlation

#115
20220259967
2022-08-18

Apparatus and methods for determining information from a well

#116
20220251950
2022-08-11

Method and system for real-time hole cleaning using a graphical user interface and user selections

#117
20220251946
2022-08-11

Methods and apparatus to measure formation features

#118
20220251939
2022-08-11

Method of, and a system for, controlling a drilling operation

#119
20220251906
2022-08-11

MEASURING LOAD ON A DRILLING DERRICK DURING OPERATIONS

#120
20220243575
2022-08-04

AUTONOMOUS OPERATIONS IN OIL AND GAS FIELDS

#121
20220235645
2022-07-28

Multi-well drilling optimization using robotics

#122
20220228438
2022-07-21

Mitigation of backward whirl in drill bits

#123
20220221615
2022-07-14

RESERVOIR TURNING BANDS SIMULATION WITH DISTRIBUTED COMPUTING

#124
20220213778
2022-07-07

System and methodology for determining appropriate rate of penetration in downhole applications

#125
20220205352
2022-06-30

Effect of hole cleaning on torque and drag

#126
20220195862
2022-06-23

Classification and control of detected drilling vibrations using machine learning

#127
20220186600
2022-06-16

Method of controlling a drilling process of a percussion drilling machine

#128
20220178240
2022-06-09

RATE OF PENETRATION (ROP) OPTIMIZATION ADVISORY SYSTEM

#129
20220145749
2022-05-12

Devices, systems, and methods for selectively engaging downhole tool for wellbore operations

#130
20220145748
2022-05-12

Methods and systems for drilling

#131
20220136380
2022-05-05

Magnetic borehole surveying method and apparatus

#132
20220129788
2022-04-28

Confidence volumes for earth modeling using machine learning

#133
20220127947
2022-04-28

Contactless sensor monitoring of a drill string controlled by a drilling program

#134
20220120169
2022-04-21

Use of residual gravitational signal to perform anomaly detection

#135
20220112769
2022-04-14

Directional well trajectory control method based on drill pipe drive

#136
20220090482
2022-03-24

Automatic drilling hoist speed

#137
20220074275
2022-03-10

Methods for tripping a drilling rig or a workover rig

#138
20220049606
2022-02-17

Automated updating of geological model boundaries for improved ore extraction

#139
20220049605
2022-02-17

Machine supporting rock cutting device

#140
20220049594
2022-02-17

Steerable drilling bi-directional communications system and methods

#141
20220025756
2022-01-27

Determining a technical limit for a drilling operation using a machine learning algorithm

#142
20220025755
2022-01-27

REDUCTION OF BACKWARD WHIRL DURING DRILLING

#143
20220003109
2022-01-06

Push-pull force control method for horizontal directional drilling machine and horizontal directional drilling machine

#144
20220003108
2022-01-06

Event prediction using state-space mapping during drilling operations

#145
20220003107
2022-01-06

Adjusting well tool operation to manipulate the rate-of-penetration (ROP) of a drill bit based on multiple ROP projections

#146
20220003106
2022-01-06

System and method for mag ranging drilling control

#147
20210404316
2021-12-30

Autonomous wellbore drilling with satisficing drilling parameters

#148
20210404315
2021-12-30

Automated optimization of real-time data frequency for modeling drilling operations

#149
20210388717
2021-12-16

Metric-based sustainability index for wellbore life cycle

#150
20210388677
2021-12-16

Method and System for Directional Drilling

#151
20210381314
2021-12-09

Apparatus and method for drilling a wellbore with a rotary steerable system

#152
20210372263
2021-12-02

Method and system of drilling with geologically-driven rate of penetration

#153
20210372261
2021-12-02

Method and apparatus for using a surface processor to electronically control components of a toll drill string based at least on measurements from a downhole device

#154
20210372260
2021-12-02

Crowding avoidance apparatus and method

#155
20210372259
2021-12-02

Real-time wellbore drilling with data quality control

#156
20210355806
2021-11-18

Real-time calibration of excitation ranging for tracking wellbore drilling

#157
20210340855
2021-11-04

Sensor integrated drill bit and method of drilling employing a sensor integrated drill bit

#158
20210332691
2021-10-28

Method and system for sub-seismic fracture prediction

#159
20210332690
2021-10-28

METHOD AND SYSTEM OF COMBINED SUPPORT FOR A WELL DRILLING PROCESS

#160
20210324724
2021-10-21

Automated directional drilling apparatus and methods

#161
20210324723
2021-10-21

Automated rate of penetration optimization for drilling

#162
20210301641
2021-09-30

Systems and methods for drilling a borehole using depth of cut measurements

#163
20210301640
2021-09-30

Methods of drilling using mixed proportional integral derivative control

#164
20210301603
2021-09-30

Automated pipe tripping apparatus and methods

#165
20210293129
2021-09-23

PROCESS FOR REAL TIME GEOLOGICAL LOCALIZATION WITH KALMAN FILTERING

#166
20210293128
2021-09-23

System and method for detecting a mode of drilling

#167
20210277763
2021-09-09

Automating well construction operations based on detected abnormal events

#168
20210272591
2021-09-02

System and method for drilling a borehole

#169
20210272590
2021-09-02

System and method for drilling a borehole

#170
20210262303
2021-08-26

Method and apparatus to automate pump-down operation

#171
20210254448
2021-08-19

Real time surveying while drilling

#172
20210254437
2021-08-19

Virtual high-density well survey

#173
20210246775
2021-08-12

Closed loop control of drilling curvature

#174
20210246727
2021-08-12

Method, apparatus by method, and apparatus of guidance positioning members for directional drilling

#175
20210238926
2021-08-05

Trajectory control for directional drilling

#176
20210231000
2021-07-29

Methods relating to tool face orientation

#177
20210230994
2021-07-29

Virtual hoist stop for mobile drilling machine

#178
20210222542
2021-07-22

Systems and methods for drill head position determination

#179
20210222519
2021-07-22

Drilling rig

#180
20210189869
2021-06-24

Reducing Effects of Rig Noise on Telemetry

#181
20210189857
2021-06-24

Drilling system control for reducing stick-slip by calculating and reducing energy of upgoing rotational waves in a drillstring

#182
20210164336
2021-06-03

Apparatus for automated slide drilling

#183
20210164335
2021-06-03

Systems, apparatuses, and methods for automated control of blasthole drill based on performance monitoring

#184
20210148214
2021-05-20

Systems, apparatuses, and methods for determining rock-coal transition with a drilling machine

#185
20210131258
2021-05-06

Autodriller contextual scaling

#186
20210123334
2021-04-29

Hybrid physics-based and machine learning models for reservoir simulations

#187
20210115778
2021-04-22

Operating wellbore equipment using a distributed decision framework

#188
20210115742
2021-04-22

Drill pipe tally system

#189
20210109488
2021-04-15

Method of, and a system for, drilling to a position relative to a geological boundary

#190
20210102461
2021-04-08

Well operations involving synthetic fracture injection test

#191
20210095557
2021-04-01

Geomodel-driven dynamic well path optimization

#192
20210095555
2021-04-01

Estimating downhole RPM oscillations

#193
20210095554
2021-04-01

Systems and methods to characterize well drilling activities

#194
20210071486
2021-03-11

INTEGRATED WELL CONSTRUCTION SYSTEM OPERATIONS

#195
20210071477
2021-03-11

Systems and methods to improve directional drilling

#196
20210062634
2021-03-04

Controlling range constraints for real-time drilling

#197
20210062584
2021-03-04

Tripping optimization

#198
20210025269
2021-01-28

Drilling parameter optimization for automated well planning, drilling and guidance systems

#199
20210017848
2021-01-21

Collar control system for mobile drilling machines

#200
20210017847
2021-01-21

METHOD OF MODELING FLUID FLOW DOWNHOLE AND RELATED APPARATUS AND SYSTEMS

#201
20210011048
2021-01-14

Processing downhole rotational data

#202
20210010365
2021-01-14

Integrated well construction system operations

#203
20210002995
2021-01-07

Integrated well construction system operations

#204
20200392798
2020-12-17

Hybrid carriage drive for an underground drilling machine

#205
20200378236
2020-12-03

Drill bit subsystem for automatically updating drill trajectory

#206
20200362687
2020-11-19

Stall detection and recovery for mud motors

#207
20200347715
2020-11-05

Method of, and a system for, controlling a drilling operation

#208
20200347714
2020-11-05

Communicatively Connecting a Control Workstation with Wellsite Equipment

#209
20200347712
2020-11-05

Depth-based borehole trajectory control

#210
20200325729
2020-10-15

Control system for drilling machines

#211
20200308952
2020-10-01

Method And System For Active Learning And Optimization Of Drilling Performance Metrics

#212
20200291763
2020-09-17

Estimating nuclear magnetic resonance measurement quality

#213
20200270978
2020-08-27

Controlling a coiled tubing unit at a well site

#214
20200256181
2020-08-13

Systems and methods of iterative well planning for optimized results

#215
20200248545
2020-08-06

GEOSTEERING METHODS AND SYSTEMS FOR IMPROVED DRILLING PERFORMANCE

#216
20200248508
2020-08-06

Method and system for directional drilling

#217
20200240222
2020-07-30

Mud circulation system for reducing the swab pressure while tripping out

#218
20200232311
2020-07-23

Identifying and mitigating tight spots in a borehole using bottom hole assembly components as test probes

#219
20200190967
2020-06-18

Image based inspection of well equipment

#220
20200190963
2020-06-18

Image based inspection and automated inventory and supply chain management of well equipment

#221
20200190959
2020-06-18

Monitoring rig activities

#222
20200190958
2020-06-18

Systems and methods to control drilling operations based on formation orientations

#223
20200190957
2020-06-18

Rate of penetration optimization for wellbores using machine learning

#224
20200181994
2020-06-11

Coiled tubing drilling robot, robot system and process parameter control method thereof

#225
20200173277
2020-06-04

Machine supporting rock cutting device

#226
20200173270
2020-06-04

Downhole drilling apparatus and method of control thereof

#227
20200173236
2020-06-04

Drilling system

#228
20200173235
2020-06-04

WELL CONSTRUCTION DISPLAY

#229
20200165913
2020-05-28

Apparatus and methods for automated slide drilling

#230
20200165912
2020-05-28

Advanced steering tool system, method and apparatus

#231
20200157930
2020-05-21

Systems and methods to determine rotational oscillation of a drill string

#232
20200149384
2020-05-14

Apparatus and methods for determining information from a well

#233
20200109618
2020-04-09

Systems and methods for geosteering during well drilling

#234
20200080409
2020-03-12

SYSTEM AND METHOD FOR OPTIMIZING DRILLING WITH A ROTARY STEERABLE SYSTEM

#235
20200063554
2020-02-27

Rock cutting device

#236
20200063533
2020-02-27

Modeling friction along a wellbore

#237
20200041689
2020-02-06

Logging of fluid properties for use in subterranean drilling and completions

#238
20200032638
2020-01-30

METHOD OF OPTIMIZING DRILLING OPERATION USING EMPIRICAL DATA

#239
20200003046
2020-01-02

Well construction using downhole communication and/or data

#240
20190368331
2019-12-05

Autonomous tractor using counter flow-driven propulsion

#241
20190368290
2019-12-05

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Automatic controlling of drilling weight on bit

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Control system for downhole operations

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