ClassID:

135674

E21B45/00 - CPC Classification

Classification description:

Measuring the drilling time or rate of penetration

Recent Application in this class:
#1
20260153002
2026-06-04

BRAKE AND WEAR INDICATOR FOR EXPANDABLE DOWNHOLE TOOL

#2
20260125959
2026-05-07

ADVANCING A TUBULAR STRING IN A WELLBORE

#3
20260117651
2026-04-30

FORMATION ELASTIC PROPERTY ESTIMATION OF A GEOLOGICAL FORMATION USING DRILLING DATA

#4
20260085602
2026-03-26

IMPROVED WELLBORE CONTROL AND MODELS USING IMAGE DATA SYSTEMS AND METHODS

#5
20260063027
2026-03-05

INTELLIGENT PEAK DETECTION METHOD UNDER PHYSICAL PHENOMENON

#6
20260036039
2026-02-05

DRILLING RATE OF PENETRATION

#7
20260028888
2026-01-29

Intelligent Cuttings Sampler

#8
20260022632
2026-01-22

AUTOMATED ZEROING FOR DRILLING OPERATIONS

#9
20260002433
2026-01-01

METHOD TO PREDICT SONIC LOG AT BIT IN REAL TIME

#10
20250361806
2025-11-27

ESTIMATION OF ROCK ABRASIVENESS AND ROCK STRENGTH USING BIT RESPONSE DATA

#11
20250361804
2025-11-27

DRILL BIT SELECTION FOR DRILLING A TARGET WELL BASED ON DRILLING SIMULATION OF AN OFFSET WELL

#12
20250354472
2025-11-20

SYSTEMS AND METHODS FOR DETERMINIG DEPTH-DEPENDENT DRILLING PARAEMTER LIMITS

#13
20250347211
2025-11-13

SYSTEMS AND METHODS FOR DETECTING DRILL BREAK

#14
20250334039
2025-10-30

GAIN CONTROL FOR STEERING DOWNHOLE TOOL

#15
20250305404
2025-10-02

APPARATUS AND METHODS FOR CONTROLLING DRILLING

#16
20250305402
2025-10-02

SYSTEM FOR GENERATING OPERATING PARAMETERS OF AN EARTH-BORING TOOL AND RELATED METHODS

#17
20250297547
2025-09-25

ROCK TYPE IDENTIFICATION FOR DRILLING OPERATIONS

#18
20250290774
2025-09-18

AT-BIT DEPTH OF CUT AND RATE OF PENETRATION MEASUREMENTS

#19
20250264016
2025-08-21

AUTOMATED DIRECTIONAL DRILLING CONTROL SYSTEM

#20
20250264014
2025-08-21

CONTROLLING A DRILLING OPERATION BY ADJUSTING A RATE OF PENETRATION SETPOINT

#21
20250263985
2025-08-21

DRILLING APPARATUS, DRILL BIT, AND METHOD FOR TESTING DRILL BIT PERFORMANCE

#22
20250230742
2025-07-17

AI-ENABLED UNCONFINED COMPRESSIVE STRENGTH (UCS) REAL-TIME PREDICTION UTILIZING LOGGING-WHILE-DRILLING MEASUREMENTS

#23
20250230714
2025-07-17

BRAKE AND WEAR INDICATOR FOR EXPANDABLE DOWNHOLE TOOL

#24
20250179904
2025-06-05

COMPUTER IMPLEMENTED METHOD FOR REAL-TIME LWD PROFILE PREDICTION IN THE INTERVALS FROM THE DRILL TIP TO THE LIMIT OF THE DEPTH PROFILE OFFSETS

#25
20250179903
2025-06-05

SYSTEM AND METHOD FOR DRILLING A BOREHOLE

#26
20250163768
2025-05-22

SYSTEMS AND METHODS FOR DETERMINING WEAR OF DOWNHOLE TOOLS

#27
20250163764
2025-05-22

ALIGNABLE GUIDANCE DEVICE FOR CASING ENTRY MILLING AND CEMENTING OPERATIONS

#28
20250154830
2025-05-15

SYSTEMS AND METHODS FOR CONTROLLING DRILLING BASED ON ESTIMATED POSITION OF BOTTOM HOLE ASSEMBLY

#29
20250122793
2025-04-17

AUTOMATED OFFSET SELECTION METHOD FOR DOWHNOLE TOOL PERFORMANCE EVALUATION

#30
20250109686
2025-04-03

METHOD FOR ASSESSING WELLBORE GAS MEASUREMENTS

#31
20250109680
2025-04-03

SYSTEM AND METHOD FOR DETERMINING THE LOCATION OF A BOTTOM HOLE ASSEMBLY

#32
20250075572
2025-03-06

METHOD AND SYSTEM FOR CLASSIFYING AND DETECTING TRUE WELL CONTROL EVENTS DURING DRILLING OPERATIONS

#33
20250067171
2025-02-27

RATE OF PENETRATION/DEPTH MONITOR FOR A BOREHOLE FORMED WITH MILLIMETER-WAVE BEAM

#34
20250061309
2025-02-20

RATE OF PENETRATION FORECASTING WHILE DRILLING USING A TRANSFORMER-BASED DEEP LEARNING MODEL

#35
20250043674
2025-02-06

SYSTEM AND METHOD FOR DRILLING PERFORMANCE BENCHMARKING AND DRILLING ADJUSTMENT

#36
20250043673
2025-02-06

DRILLING EFFICIENCY EVALUATION

#37
20240426211
2024-12-26

METHOD FOR DETERMINING PHYSICAL PROPERTIES OF ROCKS AND ROCK MATRIX FROM DRILLING DATA, MUD GAS DATA, AND DRILL CUTTINGS IMAGES

#38
20240418071
2024-12-19

ROP OPTIMIZATION

#39
20240418070
2024-12-19

SYSTEM AND METHOD FOR PREDICTING AND OPTIMIZING DRILLING PARAMETERS

#40
20240401463
2024-12-05

APPARATUS AND METHODS FOR AUTOMATED SLIDE DRILLING

#41
20240401462
2024-12-05

SYSTEM AND METHOD FOR WELL DRILLING CONTROL BASED ON BOREHOLE CLEANING

#42
20240401461
2024-12-05

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

#43
20240392682
2024-11-28

AUTOMATED METHODS FOR ESTIMATING DIFFERENTIAL LAG TIMES WHILE DRILLING

#44
20240392677
2024-11-28

RATE OF PENETRATION PREDICTION AND USES THEREOF

#45
20240368977
2024-11-07

Thermal Conductivity Measurements for Optimizing Geothermal Field Construction

#46
20240328265
2024-10-03

METHOD AND SYSTEM FOR DETERMINING SHALE SHAKER SELECTION USING DRILLING DATA AND MACHINE LEARNING

#47
20240295172
2024-09-05

SYSTEM AND METHOD FOR UTILIZING TRACKING FUNCTIONS FOR DRILLING CONTROL

#48
20240287889
2024-08-29

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

#49
20240229634
2024-07-11

SYSTEM AND METHOD FOR DRILLING A BOREHOLE

#50
20240229607
2024-07-11

ARTIFICIAL INTELLIGENCE DRILLING ADVISORY ENGINE IN A MATERIAL PROCESSING SYSTEM

#51
20240209701
2024-06-27

Apparatus and method for controlling flushing in rock drilling

#52
20240200438
2024-06-20

REAL-TIME DRILLING PARAMETER ADHERENCE

#53
20240183264
2024-06-06

DRILLING FRAMEWORK

#54
20240133286
2024-04-25

APPARATUS AND METHODS FOR CONTROLLING DRILLING

#55
20240133269
2024-04-25

ARTIFICIAL INTELLIGENCE DRILLING ADVISORY ENGINE IN A MATERIAL PROCESSING SYSTEM

#56
20240111919
2024-04-04

SYSTEM AND METHOD FOR GENERATING PREDICTIVE MODEL ASSOCIATED WITH ROTARY DEVICES

#57
20240102375
2024-03-28

CIVIL ENGINEERING MACHINE AND METHOD FOR CREATING A FOUNDATION IN THE GROUND

#58
20240102362
2024-03-28

SYSTEM FOR OBTAINING A PHYSICS-GUIDED BIT WEAR MODEL AND RELATED METHODS

#59
20240076977
2024-03-07

PREDICTING HYDROCARBON SHOW INDICATORS AHEAD OF DRILLING BIT

#60
20240044240
2024-02-08

SYSTEM AND METHOD FOR DETECTING A MODE OF DRILLING

#61
20240026770
2024-01-25

METHODS AND SYSTEMS FOR PERFORMING AUTOMATED DRILLING OF A WELLBORE

#62
20230417110
2023-12-28

CONE PENETROMETER TESTING PROBE WITH INTEGRATED HAMMER BLOW MODULE

#63
20230392497
2023-12-07

Automated filtering and normalization of logging data for improved drilling performance

#64
20230392447
2023-12-07

DIRECTIONAL DRILLING ADVISING FOR ROTARY STEERABLE SYSTEM

#65
20230383637
2023-11-30

Method and system for determining a geologically-guided assessment for managing drilling

#66
20230383607
2023-11-30

MULTIPLE INTERMEDIATE STEP SIMULATION OF DRILL BIT ABRASIVE WEAR

#67
20230323765
2023-10-12

SYNCHRONIZATION OF TOOL ACCELERATION VS TIME DATA AND DRILLER DEPTH VS TIME DATA

#68
20230313678
2023-10-05

METHOD AND SYSTEM FOR MANAGING DRILLING PARAMETERS BASED ON DOWNHOLE VIBRATIONS AND ARTIFICIAL INTELLIGENCE

#69
20230313666
2023-10-05

System and method to predict and optimize drilling activities

#70
20230279767
2023-09-07

Methods for estimating downhole weight on bit and rate of penetration using acceleration measurements

#71
20230279766
2023-09-07

Model-based curvature cruise control design

#72
20230259077
2023-08-17

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

#73
20230258078
2023-08-17

Method and system for formation pore pressure prediction with automatic parameter reduction

#74
20230243252
2023-08-03

Apparatus for automated slide drilling

#75
20230235657
2023-07-27

Wellbore drilling system

#76
20230228182
2023-07-20

REAL-TIME EVAL OPTIMIZES DRILLING OPERATIONS EFFICIENCY

#77
20230203937
2023-06-29

Methods and systems for determining caving volume estimation for use in drilling operations

#78
20230193749
2023-06-22

Determining parameters for a wellbore operation based on resonance speeds of drilling equipment

#79
20230184085
2023-06-15

Drilling Rate Of Penetration

#80
20230184084
2023-06-15

Method for determining pore pressures of a reservoir

#81
20230184078
2023-06-15

Method for drilling with projections based on adjusted Kalman Filters

#82
20230175383
2023-06-08

SYSTEM AND METHOD FOR AUTOMATED IDENTIFICATION OF MUD MOTOR DRILLING MODE

#83
20230175380
2023-06-08

RATE OF PENETRATION OPTIMIZATION TECHNIQUE

#84
20230167695
2023-06-01

Method and system for determining hole cleaning efficiency based on wellbore segment lengths

#85
20230151726
2023-05-18

Control of drilling curvature

#86
20230151725
2023-05-18

Determination of Drillstring Parameters and Associated Control

#87
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

#88
20230127456
2023-04-27

Method for predicting and optimizing rate of penetration (ROP) for oil and gas drilling based on bayesian optimization

#89
20230125398
2023-04-27

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

#90
20230070571
2023-03-09

Intelligent Peak Detection Method Under Physical Phenomenon

#91
20230057364
2023-02-23

Borehole cleaning monitoring and advisory system

#92
20230031743
2023-02-02

Method for estimating rate of penetration while drilling

#93
20230023709
2023-01-26

Apparatus and methods for controlling drilling

#94
20230019126
2023-01-19

Methods for Assisted and Automated Horizontal Well Geosteering

#95
20220403703
2022-12-22

Utility pipe installation protection system

#96
20220397029
2022-12-15

Drilling control

#97
20220397027
2022-12-15

WELLBORE PLANNING SYSTEMS AND METHODS

#98
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

#99
20220349297
2022-11-03

GENERATING DRILLING PATHS USING A DRILL MODEL

#100
20220341311
2022-10-27

Device and method for drilling with automatic drilling parameters adaptation

#101
20220307365
2022-09-29

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

#102
20220275718
2022-09-01

Optimization of drilling operations using drilling cones

#103
20220259968
2022-08-18

Mechanical and hydromechanical specific energy-based drilling

#104
20220243576
2022-08-04

Predictive torque and drag estimation for real-time drilling

#105
20220213778
2022-07-07

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

#106
20220205352
2022-06-30

Effect of hole cleaning on torque and drag

#107
20220178240
2022-06-09

RATE OF PENETRATION (ROP) OPTIMIZATION ADVISORY SYSTEM

#108
20220170324
2022-06-02

Systems and methods for controlling a drilling path based on drift estimates

#109
20220154570
2022-05-19

System and method for drilling performance benchmarking and drilling adjustment

#110
20220137568
2022-05-05

PREDICTIVE MODELS AND MULTI-OBJECTIVE CONSTRAINT OPTIMIZATION ALGORITHM TO OPTIMIZE DRILLING PARAMETERS OF A WELLBORE

#111
20220127932
2022-04-28

Monitoring Equipment of a Plurality of Drill Rigs

#112
20220065093
2022-03-03

Micro invisible lost time in drilling operations

#113
20220049594
2022-02-17

Steerable drilling bi-directional communications system and methods

#114
20220042412
2022-02-10

Tape winch, drilling progress measurement and hole depth measurement

#115
20220034223
2022-02-03

Downhole tool sensor arrangements and associated methods and systems

#116
20220025764
2022-01-27

Estimation of formation elastic constants from drilling data

#117
20220025759
2022-01-27

Automatic slips detection system for the optimization of real-time drilling operations

#118
20220025755
2022-01-27

REDUCTION OF BACKWARD WHIRL DURING DRILLING

#119
20220003107
2022-01-06

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

#120
20220003106
2022-01-06

System and method for mag ranging drilling control

#121
20210404318
2021-12-30

Predictive torque and drag estimation for real-time drilling

#122
20210404316
2021-12-30

Autonomous wellbore drilling with satisficing drilling parameters

#123
20210404315
2021-12-30

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

#124
20210388686
2021-12-16

MUD CIRCULATING DENSITY ALERT

#125
20210372263
2021-12-02

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

#126
20210372262
2021-12-02

Method and system for optimizing field development

#127
20210372259
2021-12-02

Real-time wellbore drilling with data quality control

#128
20210357777
2021-11-18

Integrated advanced visualization tool for geosteering underbalanced coiled tubing drilling operations

#129
20210348496
2021-11-11

Cross-plot engineering system and method

#130
20210348493
2021-11-11

Methodology to maximize net reservoir contact for underbalanced coiled tubing drilling wells

#131
20210324723
2021-10-21

Automated rate of penetration optimization for drilling

#132
20210301643
2021-09-30

Method for evaluating downhole working condition of a PDC bit

#133
20210301641
2021-09-30

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

#134
20210301640
2021-09-30

Methods of drilling using mixed proportional integral derivative control

#135
20210293139
2021-09-23

Systems and methods for the determination of lithology porosity from surface drilling parameters

#136
20210293130
2021-09-23

System and method to predict value and timing of drilling operational parameters

#137
20210293128
2021-09-23

System and method for detecting a mode of drilling

#138
20210272591
2021-09-02

System and method for drilling a borehole

#139
20210272590
2021-09-02

System and method for drilling a borehole

#140
20210270088
2021-09-02

CLOSED LOOP CONTROL OF DRILLING TOOLFACE

#141
20210262335
2021-08-26

System and method for determining the location of a bottom hole assembly

#142
20210246775
2021-08-12

Closed loop control of drilling curvature

#143
20210207468
2021-07-08

Process automation optimizes the process of placing a drill bit on the bottom of the wellbore

#144
20210198988
2021-07-01

Autonomous optimization of single-well and multi-well gas lift

#145
20210164336
2021-06-03

Apparatus for automated slide drilling

#146
20210164335
2021-06-03

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

#147
20210140300
2021-05-13

Automated real-time transport ratio calculation

#148
20210131279
2021-05-06

Mitigation of frictional heat checking in well casing

#149
20210131268
2021-05-06

Wear analysis of drill bits

#150
20210131258
2021-05-06

Autodriller contextual scaling

#151
20210131257
2021-05-06

Automated evaluation and fingerprinting of drilling operations utilizing real-time data

#152
20210115779
2021-04-22

Autodriller Utilizing Intermediate ROP Setpoint

#153
20210109488
2021-04-15

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

#154
20210062634
2021-03-04

Controlling range constraints for real-time drilling

#155
20210047910
2021-02-18

LEARNING BASED BAYESIAN OPTIMIZATION FOR OPTIMIZING CONTROLLABLE DRILLING PARAMETERS

#156
20210040844
2021-02-11

Estimating formation properties from drill bit motion

#157
20210032944
2021-02-04

Autonomous connection makeup and evaluation

#158
20210025271
2021-01-28

Cross-plot engineering system and method

#159
20210011048
2021-01-14

Processing downhole rotational data

#160
20210010882
2021-01-14

METHOD FOR MEASURING SURFACE TORQUE OSCILLATION PERFORMANCE INDEX

#161
20200392841
2020-12-17

Estimation of formation elastic constants from drilling

#162
20200392829
2020-12-17

Marking and sensing a borehole wall

#163
20200378248
2020-12-03

Automated filtering and normalization of logging data for improved drilling performance

#164
20200371495
2020-11-26

AUTOMATED REAL-TIME HOLE CLEANING EFFICIENCY INDICATOR

#165
20200370381
2020-11-26

Automated drilling advisory and control system

#166
20200362695
2020-11-19

Real-time equivalent circulating density of drilling fluid

#167
20200355059
2020-11-12

Robust early kick detection using real time drilling

#168
20200340354
2020-10-29

Apparatus and method for downhole measurement

#169
20200340351
2020-10-29

At-bit sensing of rock lithology

#170
20200340350
2020-10-29

Methods for assisted and automated horizontal well geosteering

#171
20200325763
2020-10-15

Method of and a device for estimating down hole speed and down hole torque of borehole drilling equipment while drilling, borehole equipment and a computer program product

#172
20200318471
2020-10-08

Downhole drilling using a network of drilling rigs

#173
20200300081
2020-09-24

Systems and methods for measuring rate of penetration

#174
20200300050
2020-09-24

FRAC PUMP AUTOMATIC RATE ADJUSTMENT AND CRITICAL PLUNGER SPEED INDICATION

#175
20200277823
2020-09-03

DRILLING APPARATUS AND METHOD FOR THE DETERMINATION OF FORMATION LOCATION

#176
20200270971
2020-08-27

Methods, systems, and storage media for remote monitoring of a system usable in a subsurface volume of interest

#177
20200256180
2020-08-13

Smart system for selection of wellbore drilling fluid loss circulation material

#178
20200240973
2020-07-30

Method for determining content of lost gas in shale gas content test

#179
20200199952
2020-06-25

Autonomous connection makeup and evaluation

#180
20200190960
2020-06-18

SYSTEMS AND METHODS TO CONTROL DRILLING OPERATIONS BASED ON FORMATION ORIENTATIONS

#181
20200190958
2020-06-18

Systems and methods to control drilling operations based on formation orientations

#182
20200190957
2020-06-18

Rate of penetration optimization for wellbores using machine learning

#183
20200165913
2020-05-28

Apparatus and methods for automated slide drilling

#184
20200149386
2020-05-14

Generating drilling paths using a drill model

#185
20200116005
2020-04-16

Downhole tool dynamic and motion measurement with multiple ultrasound transducer

#186
20200080412
2020-03-12

METHOD AND SYSTEM FOR OPERATING A DRILLING PLANT

#187
20200072035
2020-03-05

Rock drilling device

#188
20200056478
2020-02-20

Predictive lithology and formation type for downhole drilling

#189
20200056470
2020-02-20

Methods and systems for performing automated drilling of a wellbore

#190
20200040719
2020-02-06

Machine-Learning Based Drilling Models for A New Well

#191
20200040657
2020-02-06

Systems and methods for controlling a drilling path based on drift estimates

#192
20200003043
2020-01-02

Downhole rate of penetration measurement

#193
20190353012
2019-11-21

Drilling trouble prediction using stand-pipe-pressure real-time estimation

#194
20190346353
2019-11-14

Free fall ball penetrometer with a booster

#195
20190345818
2019-11-14

EM-telemetry remote sensing wireless network and methods of using the same

#196
20190345811
2019-11-14

System and method for drilling weight-on-bit based on distributed inputs

#197
20190345809
2019-11-14

Earth-boring tool rate of penetration and wear prediction system and related methods

#198
20190345779
2019-11-14

COIL TUBING BOTTOM HOLE ASSEMBLY WITH REAL TIME DATA STREAM

#199
20190330973
2019-10-31

Marker signal for subterranean drilling

#200
20190323332
2019-10-24

Smart system for selection of wellbore drilling fluid loss circulation material

#201
20190316457
2019-10-17

Systems and methods for optimizing rate of penetration in drilling operations

#202
20190309614
2019-10-10

System and method for well drilling control based on borehole cleaning

#203
20190292898
2019-09-26

Model-based parameter estimation for directional drilling in wellbore operations

#204
20190284922
2019-09-19

Downhole clutch joint for multi-directionally rotating downhole drilling assembly

#205
20190284921
2019-09-19

Directional drilling with stochastic path optimization of operating parameters

#206
20190284909
2019-09-19

Drilling operation simulation system and related methods

#207
20190264516
2019-08-29

Automatic drilling activity detection

#208
20190257643
2019-08-22

Laser measuring system for tubulars

#209
20190242236
2019-08-08

Measuring invisible lost time in drilling operations

#210
20190234207
2019-08-01

OPTIMIZATION OF RATE-OF-PENETRATION

#211
20190234145
2019-08-01

DRILLING CONTROL AND INFORMATION SYSTEM

#212
20190228359
2019-07-25

Automatic wellbore activity schedule adjustment method and system

#213
20190187012
2019-06-20

Method for measuring surface torque oscillation performance index

#214
20190178073
2019-06-13

Rig control apparatus, system, and method

#215
20190169986
2019-06-06

Real-time synthetic logging for optimization of drilling, steering, and stimulation

#216
20190169978
2019-06-06

Systems and methods for measuring rate of penetration

#217
20190169973
2019-06-06

Downhole clutch joint for multi-directionally rotating downhole drilling assembly

#218
20190169960
2019-06-06

System, method and apparatus for controlling fluid flow through drill string

#219
20190153848
2019-05-23

Method and system for performing automated drilling of a wellbore

#220
20190145240
2019-05-16

System and method for detecting a mode of drilling

#221
20190145173
2019-05-16

Closed loop control of drilling toolface

#222
20190136682
2019-05-09

System and method for determining the location of a bottom hole assembly

#223
20190136653
2019-05-09

Bypass valve

#224
20190128114
2019-05-02

Monitoring system with an instrumented surface top sub

#225
20190122151
2019-04-25

Method and System for Prioritizing and Allocating Well Operating Tasks

#226
20190106978
2019-04-11

METHOD FOR PRODUCING AN OIL WELL

#227
20190106976
2019-04-11

Controller with automatic tuning and method

#228
20190100992
2019-04-04

DOWNHOLE ACOUSTIC SYSTEM FOR DETERMINING A RATE OF PENETRATION OF A DRILL STRING AND RELATED METHODS

#229
20190100986
2019-04-04

Downhole system for determining a rate of penetration of a downhole tool and related methods

#230
20190048707
2019-02-14

Apparatus and methods for automated slide drilling

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2019-02-14

Apparatus and methods for automated slide drilling

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2019-02-14

Methods of drilling a wellbore within a subsurface region and drilling control systems that perform the methods

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20190032467
2019-01-31

Method of optimizing drilling ramp-up

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20190032466
2019-01-31

Method, system and computer-readable medium for automatically controlling a drilling operation

#235
20180363444
2018-12-20

Closed loop control of drilling curvature

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20180355669
2018-12-13

Slide drilling system and method

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20180328160
2018-11-15

Using models and relationships to obtain more efficient drilling using automatic drilling apparatus

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20180283161
2018-10-04

Method for drilling wellbores utilizing a drill string assembly optimized for stick-slip vibration conditions

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20180283160
2018-10-04

Method and system for performing automated drilling of a wellbore

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20180283159
2018-10-04

System and method for drilling a borehole

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20180283144
2018-10-04

Method and a system for optimising energy usage at a drilling arrangement

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20180258777
2018-09-13

ENVIRONMENTAL SEVERITY MEASUREMENT TOOL

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20180238164
2018-08-23

Enhancing drilling operations with cognitive computing

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20180216440
2018-08-02

Systems and methods for drilling productivity analysis

#245
20180202279
2018-07-19

Measurement and control of shock and vibration

#246
20180171776
2018-06-21

Monitor and control of directional drilling operations and simulations

#247
20180171772
2018-06-21

Apparatus and methods using acoustic and electromagnetic emissions

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20180163527
2018-06-14

Methods and systems for drilling boreholes in earth formations

#249
20180149012
2018-05-31

Method and system for damping vibrations in a tool string system

#250
20180128097
2018-05-10

EM-telemetry remote sensing wireless network and methods of using the same

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20180119537
2018-05-03

Autodrilling control with annulus pressure modification of differential pressure

#252
20180119535
2018-05-03

Real time drilling monitoring

#253
20180112522
2018-04-26

Method for estimating a transit time of an element circulating in a borehole

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20180066508
2018-03-08

Optimization of drilling assembly rate of penetration

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20180051548
2018-02-22

A METHOD OF PERFORMING A REAMING OPERATION AT A WELLSITE USING REAMER PERFORMANCE METRICS

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20180047191
2018-02-15

Visualization of quantitative drilling operations data related to a stuck pipe event

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20180045030
2018-02-15

Drilling operation apparatus, methods, and systems

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20180016887
2018-01-18

Bore measuring tool

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20180010422
2018-01-11

System, method and apparatus for controlling fluid flow through drill string

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20180003025
2018-01-04

Multi-Directionally Rotating Downhole Drilling Assembly and Method

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Stick-Slip Reduction Using Combined Torsional and Axial Control

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2017-11-16

Method and apparatus for drilling a new well using historic drilling data

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2017-11-16

METHODS FOR CONTINUOUSLY IMPROVING DRILLING AND COMPLETIONS OPERATIONS

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2017-11-09

Apparatus and Method for Measuring Drilling Parameters of a Down-the-Hole Drilling Operation for Mineral Exploration

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Lateral motion control of drill strings

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20170254155
2017-09-07

Method and relative system for the identification of malfunctionings of the drill bit during the drilling of hydrocarbon wells

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20170191359
2017-07-06

Employing a target risk attribute predictor while drilling

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20170183952
2017-06-29

Formation dip geo-steering method

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20170183940
2017-06-29

Methods to determine composite vibration indices of a drilling assembly

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20170114616
2017-04-27

USE OF DRILLING DATA FOR ENGINEERED COMPLETIONS

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20170058658
2017-03-02

Methods of controlling drill bit trajectory by predicting bit walk and wellbore spiraling

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20170058657
2017-03-02

Methods for drilling a wellbore within a subsurface region and drilling assemblies that include and/or utilize the methods

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20170058656
2017-03-02

System and method for surface steerable drilling using tactical tracking

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2017-02-23

Cross-plot engineering system and method

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20170051579
2017-02-23

Drill bit with electrical power generator

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20170037721
2017-02-09

Apparatus and methods using drillability exponents

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2017-02-09

Drilling system and method of operating a drilling system

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2017-02-09

Tool face control of a downhole tool with reduced drill string friction

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2017-02-02

Multi-directionally rotating downhole drilling assembly and method

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20170002641
2017-01-05

Controlling a bottom-hole assembly in a wellbore

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2016-12-22

System and method for event detection using streaming signals

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2016-11-17

System and method for determining drill string motions using acceleration data

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2016-11-10

System and method for making downhole measurements

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2016-11-10

Steerable drilling method and system

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2016-10-27

Method for detecting a malfunction during drilling operations

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2016-10-20

System and method for detection of slide and rotation modes

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2016-10-06

Directional driller quality reporting system and method

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20160281488
2016-09-29

Method and system for damping vibrations in a tool string system

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2016-09-22

Method and system for damping vibrations in a tool string system

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20160273330
2016-09-22

Predicting drillability based on electromagnetic emissions during drilling

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20160265336
2016-09-15

System and method for determining incremental progression between survey points while drilling

#292
20160251953
2016-09-01

Ratio-based mode switching for optimizing weight-on-bit

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20160251900
2016-09-01

System and method for controlling a drilling path based on drift estimates

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2016-08-25

Systems and methods for optimizing drilling operations using transient cuttings modeling and real-time data

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20160230530
2016-08-11

Drilling automation using stochastic optimal control

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20160208576
2016-07-21

SYSTEM, METHOD AND APPARATUS FOR CONTROLING FLUID FLOW THROUGH DRILL STRING

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2016-06-30

Sequential fully implicit well model with tridiagonal matrix structure for reservoir simulation

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2016-06-23

System and method for surface steerable drilling

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2016-05-26

Drill pipe oscillation regime for slide drilling

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20160108714
2016-04-21

Methods and systems for real-time monitoring and processing of wellbore data