ClassID:

135723

E21B49/003 - CPC Classification

Classification description:

Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells by analysing drilling variables or conditions

Recent Application in this class:
#1
20260139585
2026-05-21

SYSTEM AND METHOD FOR CHARACTERIZING NEAR-WELLBORE LITHOLOGY, MINERALOGY AND HETEROGENEITY

#2
20260117651
2026-04-30

FORMATION ELASTIC PROPERTY ESTIMATION OF A GEOLOGICAL FORMATION USING DRILLING DATA

#3
20260103977
2026-04-16

AUTONOMOUS WELL CONSTRUCTION SYSTEM WITH INTEGRATED AI

#4
20260063034
2026-03-05

Rock Quality Judgment Device and Drilling Machine

#5
20260063033
2026-03-05

AUTOMATED OIL FIELD OPERATIONS AND LOG PROCESSING

#6
20260036045
2026-02-05

BOREHOLE DATA FILTERING TECHNIQUES

#7
20260036044
2026-02-05

ELECTRICAL SUBMERSIBLE PUMP SIZING RECOMMENDATION ENGINE WITH VARIABLE OPTIMIZATION CONSIDERATIONS

#8
20260036040
2026-02-05

CEMENT BONDING EVALUATION WITH A SONIC-LOGGING-WHILE-DRILLING TOOL

#9
20260030871
2026-01-29

AUTOMATED IDENTIFICATION AND QUANTIFICATION OF SOLID DRILLING FLUID ADDITIVES

#10
20250382875
2025-12-18

DRILLING OPERATIONS FRAMEWORK

#11
20250382868
2025-12-18

Methods For Positioning A Well For Optimal Fluid Production

#12
20250369353
2025-12-04

ROCK POROSITY PREDICTION METHOD BASED ON SMALL-SAMPLE INVERSION OF WHILE-DRILLING DATA

#13
20250361806
2025-11-27

ESTIMATION OF ROCK ABRASIVENESS AND ROCK STRENGTH USING BIT RESPONSE DATA

#14
20250354486
2025-11-20

CONTROL SYSTEM, DRILL RIG AND METHOD THEREIN

#15
20250354485
2025-11-20

Predicting Frackable Intervals

#16
20250320812
2025-10-16

CALCULATING BOREHOLE STABILITY INDEX FOR DRILLING OPERATIONS

#17
20250305414
2025-10-02

Method for Determining Geology While Drilling

#18
20250290408
2025-09-18

FORMATION ELASTIC PROPERTY EVALUATION USING DRILLING DATA BASED ON A BIT-ROCK INTERACTION MODEL

#19
20250109673
2025-04-03

Estimating a Gas Rate using a Generative Adversarial Network

#20
20250067163
2025-02-27

CALIBRATING FRICTION FACTOR AND ROCK FRACTURE PROPERTIES

#21
20250043674
2025-02-06

SYSTEM AND METHOD FOR DRILLING PERFORMANCE BENCHMARKING AND DRILLING ADJUSTMENT

#22
20250003328
2025-01-02

DETERMINING CONTINUOUS INCLINATION ANGLE

#23
20240401463
2024-12-05

APPARATUS AND METHODS FOR AUTOMATED SLIDE DRILLING

#24
20240384652
2024-11-21

SYSTEM METHOD AND APPARATUS FOR BOREHOLE IMAGING

#25
20240368983
2024-11-07

METHODS AND SYSTEMS FOR PREDICTING LITHOLOGY AND FORMATION BOUNDARY AHEAD OF THE BIT

#26
20240344453
2024-10-17

METHOD AND DEVICE FOR IDENTIFYING NEAR-BIT LITHOLOGY BASED ON INTELLIGENT VOICEPRINT IDENTIFICATION

#27
20240301789
2024-09-12

CALIBRATED MINERALOGY INTERPRETATION METHODS AND RELATED COMPUTER SYSTEMS

#28
20240287897
2024-08-29

SYSTEMS AND METHODS FOR ESTIMATING WELL PARAMETERS AND DRILLING WELLS

#29
20240248235
2024-07-25

Machine learning proxy model for parameter tuning in oilfield production operations

#30
20240248226
2024-07-25

MEASUREMENT OF POROELASTIC PRESSURE RESPONSE

#31
20240218790
2024-07-04

REAL-TIME ESTIMATION OF WATER WASHING USING RESERVOIR GAS COMPOSITION

#32
20240218789
2024-07-04

WATER WASHING ESTIMATION AND PREDICTION FROM STATISTICAL RELATIONSHIPS OF GAS COMPOSITIONS

#33
20240200441
2024-06-20

PORTABLE SYSTEM FOR MONITORING AND CONTROLLING SURFACE EQUIPMENT

#34
20240191604
2024-06-13

DETECTING INTERFERENCE BETWEEN HYDROCARBON WELLS

#35
20240175345
2024-05-30

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

#36
20240167379
2024-05-23

MANAGING PIPELINE CORROSION IN OIL AND GAS PRODUCTION

#37
20240159145
2024-05-16

TUNNELING AND NAVIGATION SYSTEMS INCLUDING CONTROLLER CONFIGURED TO DETERMINE ENVIRONMENTAL CHARACTERISTIC

#38
20240144647
2024-05-02

AUTOMATED IDENTIFICATION AND QUANTIFICATION OF SOLID DRILLING FLUID ADDITIVES

#39
20240141780
2024-05-02

GENERATING DOWNHOLE FLUID COMPOSITIONS FOR WELLBORE OPERATIONS USING MACHINE LEARNING

#40
20240125964
2024-04-18

While drilling single well seismic profiling acquisition system using drill bit seismic data

#41
20240117734
2024-04-11

REAL-TIME MEASUREMENTS OF PHYSICAL PROPERTIES OF DRILLED ROCK FORMATIONS DURING DRILLING OPERATIONS

#42
20240102384
2024-03-28

DETERMINING A THREE-DIMENSIONAL FRACABILITY INDEX FOR IDENTIFYING FRACABLE AREAS IN A SUBSURFACE REGION

#43
20240035375
2024-02-01

Monitoring drilling conditions and estimating rock properties

#44
20240035369
2024-02-01

AUTOMATIC INTERPRETATION OF DRILLING DYNAMICS DATA

#45
20240026785
2024-01-25

System and method for well log repeatability verification

#46
20240026784
2024-01-25

SYSTEM AND METHOD FOR RAPID WELL LOG VALIDATION

#47
20240026778
2024-01-25

SYSTEMS AND METHODS FOR APPLICATION OF STATISTICAL CLASSIFICATION AND PATTERN RECOGNITION FOR COMPARTMENT DESIGN IN HORIZONTAL OIL WELLS

#48
20240003839
2024-01-04

METHOD AND SYSTEM FOR DETERMINING GEOLOGICAL MODELS USING SPATIAL PROPERTIES BASED ON NUCLEAR MAGNETIC RESONANCE DATA

#49
20240003249
2024-01-04

SYSTEMS AND METHODS FOR ESTIMATING WELL PARAMETERS AND DRILLING WELLS

#50
20240003194
2024-01-04

Method for predicting rock formation abrasiveness and bit wear

#51
20230392497
2023-12-07

Automated filtering and normalization of logging data for improved drilling performance

#52
20230349282
2023-11-02

AUTO-CROWD CONTROL IN MOBILE DRILL RIGS BASED ON SOIL CONDITION

#53
20230323770
2023-10-12

Systems, apparatuses, and methods for determining rock mass properties based on blasthole drill performance data including compensated blastability index (CBI)

#54
20230313678
2023-10-05

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

#55
20230313669
2023-10-05

Method and apparatus of untethered casing and bore hole survey through the drill string while tripping out drill pipe

#56
20230289954
2023-09-14

Shale shaker imaging system

#57
20230287781
2023-09-14

Drilling well underground kick processing method and device with self-feedback adjustment

#58
20230272705
2023-08-31

Field operations system with filter

#59
20230266500
2023-08-24

GEOMECHANICS AND WELLBORE STABILITY MODELING USING DRILLING DYNAMICS DATA

#60
20230258079
2023-08-17

Method and system for determining a lithology of a subterranean formation

#61
20230258078
2023-08-17

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

#62
20230258077
2023-08-17

SYNTHESIZING PROPERTIES RELATED TO WELLBORE STABILITY

#63
20230258075
2023-08-17

Hydrocarbon evaluation systems

#64
20230258069
2023-08-17

CEMENT BONDING EVALUATION WITH A SONIC-LOGGING-WHILE-DRILLING TOOL

#65
20230250720
2023-08-10

Wireless integrated data recorder

#66
20230243252
2023-08-03

Apparatus for automated slide drilling

#67
20230228187
2023-07-20

Upscaling of formation petrophysical characteristics to a whole core scale

#68
20230220769
2023-07-13

Minimization of drill string rotation rate effect on acoustic signal of drill sound

#69
20230220768
2023-07-13

Iterative clustering for geosteering inversion

#70
20230193752
2023-06-22

WORKFLOW FOR OPTIMIZING ENGINEERING PROCEDURE TO REDUCE BOREHOLE BREAKDOWN PRESSURE BY COMBINATION OF ORIENTED NOTCHING/PERFORATION AND FLUID CHEMICAL CONDITIONING PROCESS IN OPEN AND CASED HOLE

#71
20230193744
2023-06-22

SYSTEM AND METHOD FOR DETERMINING A DIRECTION FOR DRILLING A WELL

#72
20230184106
2023-06-15

Downhole optical emission spectroscopy

#73
20230184084
2023-06-15

Method for determining pore pressures of a reservoir

#74
20230183548
2023-06-15

Rigless method for selective zonal isolation in subterranean formations using polymer gels

#75
20230175394
2023-06-08

Method and system for construction of artificial intelligence model using on-cutter sensing data for predicting well bit performance

#76
20230175393
2023-06-08

ESTIMATING COMPOSITION OF DRILLING FLUID IN A WELLBORE USING DIRECT AND INDIRECT MEASUREMENTS

#77
20230175380
2023-06-08

RATE OF PENETRATION OPTIMIZATION TECHNIQUE

#78
20230167695
2023-06-01

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

#79
20230160269
2023-05-25

System and method for automated drill cutting sampling, preparation, analysis, and packaging

#80
20230152253
2023-05-18

Method and system for determining geological models using spatial properties based on nuclear magnetic resonance data

#81
20230149869
2023-05-18

Optimizing drilling mud shearing

#82
20230144184
2023-05-11

ADVANCED GEOLOGICAL PREDICTION METHOD AND SYSTEM BASED ON PERCEPTION WHILE DRILLING

#83
20230127456
2023-04-27

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

#84
20230117396
2023-04-20

Use of vibration indexes as classifiers for tool performance assessment and failure detection

#85
20230112008
2023-04-13

Method to tailor cement properties and optimize injection schedule for near wellbore integrity in carbon storage/injection wells

#86
20230108047
2023-04-06

Distributed acoustic sensing systems and methods with dynamic gauge lengths

#87
20230075327
2023-03-09

ESTIMATION OF HYDRAULIC FRACTURE GEOMETRY USING DEEPLOOK CROSSWELL ELECTROMAGNETICS

#88
20230074074
2023-03-09

INTELLIGENT RECOGNITION METHOD FOR WHILE-DRILLING SAFETY RISK BASED ON CONVOLUTIONAL NEURAL NETWORK

#89
20230058915
2023-02-23

UBIQUITOUS REAL-TIME FRACTURE MONITORING

#90
20230051333
2023-02-16

Directional drilling-exploring-monitoring integrated method for guaranteeing safety of underwater shield tunnel

#91
20230037305
2023-02-09

Method and system for optimizing rig energy efficiency using machine learning

#92
20230036565
2023-02-02

Downhole apparatus to determine microwave and acoustic properties of circulating drill mud

#93
20230030409
2023-02-02

INTEGRATED CENTERLINE DATA RECORDER

#94
20230020763
2023-01-19

Wireless integrated data recorder

#95
20230015853
2023-01-19

SENSOR ELEMENTS FOR A CUTTING TOOL AND METHODS OF MAKING AND USING SAME

#96
20230003120
2023-01-05

Sensor elements and assemblies, cutting tools comprising same and methods of using same

#97
20220404250
2022-12-22

Material test sub including one or more retainer assemblies for downhole environmental exposure

#98
20220404249
2022-12-22

MATERIAL TEST SUB INCLUDING ONE OR MORE GROOVES OR POCKETS FOR DOWNHOLE ENVIRONMENTAL EXPOSURE

#99
20220374561
2022-11-24

DRILL BIT DESIGN METHOD BASED ON ROCK CRUSHING PRINCIPLE WITH LOCAL VARIABLE STRENGTH

#100
20220364464
2022-11-17

IMPROVEMENTS IN OR RELATING TO ASSESSMENT OF MINING DEPOSITS

#101
20220364455
2022-11-17

COMPUTER-IMPLEMENTED METHOD FOR PROVIDING A PERFORMANCE PARAMETER VALUE BEING INDICATIVE OF A PRODUCTION PERFORMANCE OF A FLOATING HYDROCARBON PRODUCTION PLANT

#102
20220349301
2022-11-03

DETERMINING A RISK OF STUCK PIPES DURING WELL DRILLING OPERATIONS

#103
20220349260
2022-11-03

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

#104
20220341315
2022-10-27

Process-mining software for generating a process flow for forming a wellbore

#105
20220325588
2022-10-13

Multiple distributed pressure measurements

#106
20220316328
2022-10-06

REAL TIME DULL BIT GRADING MODELING AND PROCESS TECHNIQUE

#107
20220307323
2022-09-29

Formation evaluation based on pulse power electrode discharge measurements

#108
20220291419
2022-09-15

METHODS AND SYSTEMS FOR MONITORING WELLBORE INTEGRITY THROUGHOUT A WELLBORE LIFECYCLE USING MODELING TECHNIQUES

#109
20220282610
2022-09-08

PREDICTING A DRILL STRING PACKOFF EVENT

#110
20220282609
2022-09-08

Drill bit wear and behavior analysis and correlation

#111
20220276775
2022-09-01

System and method for enhanced collaborative forecasting

#112
20220268152
2022-08-25

PETRO-PHYSICAL PROPERTY PREDICTION

#113
20220251951
2022-08-11

System and method for formation properties prediction in near-real time

#114
20220251950
2022-08-11

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

#115
20220251939
2022-08-11

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

#116
20220235654
2022-07-28

Drilling uncertainty real time updates for accurate well placement

#117
20220220846
2022-07-14

Automatic well control based on detection of fracture driven interference

#118
20220205352
2022-06-30

Effect of hole cleaning on torque and drag

#119
20220187493
2022-06-16

Determination of mechanical properties of a geological formation using deep learning applied to data acquired while drilling

#120
20220186615
2022-06-16

A METHOD FOR UPSCALING OF RELATIVE PERMEABILITY OF THE PHASE OF A FLUID

#121
20220178240
2022-06-09

RATE OF PENETRATION (ROP) OPTIMIZATION ADVISORY SYSTEM

#122
20220170360
2022-06-02

Drilling method and drilling apparatus

#123
20220154570
2022-05-19

System and method for drilling performance benchmarking and drilling adjustment

#124
20220145745
2022-05-12

Multi-agent drilling decision system and method

#125
20220136382
2022-05-05

Methods for positioning a well for optimal fluid production

#126
20220127958
2022-04-28

Filer Communicatively Coupling an Operator Device

#127
20220120933
2022-04-21

METHOD OF DETECTION OF HYDROCARBON HORIZONTAL SLIPPAGE PASSAGES

#128
20220120169
2022-04-21

Use of residual gravitational signal to perform anomaly detection

#129
20220112778
2022-04-14

Identifying downhole conditions during a drilling operation using a vibratory separator

#130
20220112769
2022-04-14

Directional well trajectory control method based on drill pipe drive

#131
20220107434
2022-04-07

Measurement of poroelastic pressure response

#132
20220090481
2022-03-24

Method and system for processing well log data from multiple wells using machine learning

#133
20220082020
2022-03-17

Drilling device for surveying front rock-mass intactness of tunnel face for tunnel constructed by TBM and method using the same

#134
20220065769
2022-03-03

Determining formation porosity and permeability

#135
20220065106
2022-03-03

Plasma optimization with formational and fluid information

#136
20220065093
2022-03-03

Micro invisible lost time in drilling operations

#137
20220065044
2022-03-03

Plasma chemistry derived relation between arc and spark for pulse power drilling

#138
20220049603
2022-02-17

SYNTHETIC FORMATION EVALUATION LOGS BASED ON DRILLING VIBRATIONS

#139
20220035063
2022-02-03

Engineering completion and selective fracturing of lateral wellbores

#140
20220034223
2022-02-03

Downhole tool sensor arrangements and associated methods and systems

#141
20220025764
2022-01-27

Estimation of formation elastic constants from drilling data

#142
20220025756
2022-01-27

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

#143
20220018241
2022-01-20

Analysis of drilling slurry solids by image processing

#144
20220010666
2022-01-13

Method for improving recovery ratio of braided well pattern of hugely thick or multi-layer oil and gas reservoir

#145
20220010635
2022-01-13

Multilevel production control for complex network of wells with smart completions

#146
20220010624
2022-01-13

Horizontal drilling machine with an in-situ detection device

#147
20220003058
2022-01-06

Estimating three dimensional networks of plugs for drilling fluid additives

#148
20210405238
2021-12-30

Correlating strata surfaces across well logs

#149
20210404329
2021-12-30

Method for identifying geological and drilling patterns in a unidimensional space via periodic orthogonal functions applied to drilling parameter data

#150
20210404328
2021-12-30

Self-adapting digital twins

#151
20210396134
2021-12-23

Hydrocarbon evaluation systems

#152
20210389492
2021-12-16

Evaluation of rock physical properties from drill sounds through minimizing the effect of the drill bit rotation

#153
20210388720
2021-12-16

Intelligent prediction method and apparatus for reservoir sensitivity

#154
20210388717
2021-12-16

Metric-based sustainability index for wellbore life cycle

#155
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

#156
20210372258
2021-12-02

Guiding drilling operations using a subsurface model based on full waveform inversion of seismic-while-drilling data

#157
20210357777
2021-11-18

Integrated advanced visualization tool for geosteering underbalanced coiled tubing drilling operations

#158
20210355805
2021-11-18

AI/ML BASED DRILLING AND PRODUCTION PLATFORM

#159
20210348509
2021-11-11

Systems and methods for estimating well parameters and drilling wells

#160
20210340855
2021-11-04

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

#161
20210340853
2021-11-04

1-d inversion process for determining formation properties ahead of a drill bit in a subsurface formation

#162
20210332698
2021-10-28

Kick detection using logging while drilling

#163
20210310352
2021-10-07

Formation test probe

#164
20210301643
2021-09-30

Method for evaluating downhole working condition of a PDC bit

#165
20210293139
2021-09-23

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

#166
20210293127
2021-09-23

Determining formation characteristics using reference sensor responses recorded during pulsed drilling

#167
20210285324
2021-09-16

Method for determining the integrity of a solid bonding between a wellbore and a casing

#168
20210270120
2021-09-02

Drilling evaluation based on coupled torsional vibrations

#169
20210262344
2021-08-26

Modular resistivity sensor for downhole measurement while drilling

#170
20210262319
2021-08-26

System with a ground drilling device and an input device and a method for controlling an operation of a ground drilling device

#171
20210254458
2021-08-19

Determination of calibrated minimum horizontal stress magnitude using fracture closure pressure and multiple mechanical earth model realizations

#172
20210238996
2021-08-05

System and method for transmitting information in a borehole

#173
20210231010
2021-07-29

Method of logging of natural fractures during drilling, monitoring and adjusting drilling operations and optimizing completion designs

#174
20210230993
2021-07-29

Trajectory control for directional drilling using formation evaluation measurement feedback

#175
20210180412
2021-06-17

Electronic connections in a drill string and related systems and methods

#176
20210172301
2021-06-10

AUTOMATIC DETERMINATION OF PUMPING METHODS

#177
20210166115
2021-06-03

Field operations system with filter

#178
20210164336
2021-06-03

Apparatus for automated slide drilling

#179
20210164334
2021-06-03

Automatic interpretation of drilling dynamics data

#180
20210156248
2021-05-27

Discrimination between subsurface formation natural fractures and stress induced tensile fractures based on borehole images

#181
20210148226
2021-05-20

Systems, apparatuses, and methods for determining rock mass properties based on blasthole drill performance data including compensated blastability index (CBI)

#182
20210148214
2021-05-20

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

#183
20210148213
2021-05-20

Neural network models for real-time optimization of drilling parameters during drilling operations

#184
20210140298
2021-05-13

Determination of elastic properties of a geological formation using machine learning applied to data acquired while drilling

#185
20210140274
2021-05-13

Holistic approach to hole cleaning for use in subsurface formation exploration

#186
20210132253
2021-05-06

Automatic geological formations tops picking using dynamic time warping (DTW)

#187
20210131279
2021-05-06

Mitigation of frictional heat checking in well casing

#188
20210108511
2021-04-15

Method and system for determining a lithology of a subterranean formation

#189
20210095553
2021-04-01

Micro-rotating drilling method in directional drilling, computer device and readable storage medium

#190
20210062649
2021-03-04

Identifying hydrocarbon sweet spots using carbon dioxide geochemistry

#191
20210054728
2021-02-25

Method and apparatus of untethered casing and bore hole survey through the drill string while tripping out drill pipe

#192
20210040844
2021-02-11

Estimating formation properties from drill bit motion

#193
20210025269
2021-01-28

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

#194
20210019875
2021-01-21

Shale shaker imaging system

#195
20210018652
2021-01-21

Method of calculating temperature and porosity of geological structure

#196
20210017857
2021-01-21

Wellbore stability prediction

#197
20210017856
2021-01-21

Integrated centerline data recorder

#198
20210010370
2021-01-14

Microbiome based systems, apparatus and methods for the exploration and production of hydrocarbons

#199
20210010369
2021-01-14

Electrical impulse earth-boring tools and related systems and methods

#200
20210004149
2021-01-07

System and method of non-linear probabilistic forecasting to foster amplified collective intelligence of networked human groups

#201
20210002997
2021-01-07

Apparatus and method for monitoring a power swivel system

#202
20200408091
2020-12-31

METHOD AND SYSTEM FOR ACQUIRING GEOLOGICAL DATA FROM A BORE HOLE

#203
20200400016
2020-12-24

Method and system for producing a foundation element in the ground

#204
20200400007
2020-12-24

TOP DRIVE SYSTEM DYNAMICS HEALTH CHECK TOOL

#205
20200392841
2020-12-17

Estimation of formation elastic constants from drilling

#206
20200386659
2020-12-10

Multifunctional true triaxial rock drilling test system and method

#207
20200386097
2020-12-10

Sequential estimation while drilling

#208
20200386096
2020-12-10

Wireless integrated data recorder

#209
20200378248
2020-12-03

Automated filtering and normalization of logging data for improved drilling performance

#210
20200370433
2020-11-26

RISK EVALUATION METHOD OF OVERBURDEN BED-SEPARATION WATER DISASTER IN MINING AREA

#211
20200370420
2020-11-26

Drill head position determination system

#212
20200362694
2020-11-19

Automated real-time drilling fluid density

#213
20200347721
2020-11-05

Method for simulating the discontinuity of the hydraulic fracture wall in fractured reservoirs

#214
20200347715
2020-11-05

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

#215
20200347712
2020-11-05

Depth-based borehole trajectory control

#216
20200340351
2020-10-29

At-bit sensing of rock lithology

#217
20200333316
2020-10-22

Method for evaluating mixing effect of CO2 oil-displacing and mixing agent and method for screening CO2 oil-displacing and mixing agent

#218
20200332655
2020-10-22

Method for predicting the optimal shut-in duration by coupling fluid flow and geological stress

#219
20200325771
2020-10-15

Downhole tool with CATR

#220
20200325758
2020-10-15

System and method to evaluate kerogen-rich shale

#221
20200309101
2020-10-01

Geothermal loop energy production systems

#222
20200308936
2020-10-01

Real time productivity evaluation of lateral wells for construction decisions

#223
20200291763
2020-09-17

Estimating nuclear magnetic resonance measurement quality

#224
20200291758
2020-09-17

Machine Learning Systems and Methods for Isolating Contribution of Geospatial Factors to a Response Variable

#225
20200277823
2020-09-03

DRILLING APPARATUS AND METHOD FOR THE DETERMINATION OF FORMATION LOCATION

#226
20200271801
2020-08-27

Systems and methods for computed resource hydrocarbon reservoir simulation and development

#227
20200271800
2020-08-27

Calibrating wellbore spectrometers

#228
20200263538
2020-08-20

METHOD FOR DETERMINING DOWNHOLE CHARACTERICS IN A PRODUCTION WELL

#229
20200257420
2020-08-13

Method and system for monitoring of drilling parameters

#230
20200256187
2020-08-13

SYSTEMS AND METHODS FOR CLASSIFYING MECHANICAL QUALITY OF A SUBTERRANEAN FORMATION USING MEASUREMENTS OBTAINED DURING DRILLING

#231
20200256178
2020-08-13

Automated Reservoir Simulation

#232
20200224532
2020-07-16

Method and system for acquiring geological data from a bore hole

#233
20200217194
2020-07-09

EFFICIENT BLAST DESIGN FACILITATION SYSTEMS AND METHODS

#234
20200215505
2020-07-09

Optimizing Drilling Mud Shearing

#235
20200215504
2020-07-09

Optimizing Drilling Mud Shearing

#236
20200190960
2020-06-18

SYSTEMS AND METHODS TO CONTROL DRILLING OPERATIONS BASED ON FORMATION ORIENTATIONS

#237
20200190958
2020-06-18

Systems and methods to control drilling operations based on formation orientations

#238
20200190950
2020-06-18

Methods and systems for reservoir and wellbore simulation

#239
20200165913
2020-05-28

Apparatus and methods for automated slide drilling

#240
20200149393
2020-05-14

Method of estimating the region of damage due to collapse in the wall of a borehole during the drilling operation

#241
20200141231
2020-05-07

Determining a mudweight of drilling fluids for drilling through naturally fractured formations

#242
20200116018
2020-04-16

Dynamic transducer normalization

#243
20200116005
2020-04-16

Downhole tool dynamic and motion measurement with multiple ultrasound transducer

#244
20200096663
2020-03-26

Method for determining properties of a thinly laminated formation by inversion of multisensor wellbore logging data

#245
20200095849
2020-03-26

Determining control inputs for drilling a wellbore trajectory in a geologic formation

#246
20200088904
2020-03-19

Downhole NMR system

#247
20200080409
2020-03-12

SYSTEM AND METHOD FOR OPTIMIZING DRILLING WITH A ROTARY STEERABLE SYSTEM

#248
20200072046
2020-03-05

METHOD AND SYSTEM FOR DETERMINING A SOIL CLASS AND USE DURING DETERMINATION OF A SOIL CLASS

#249
20200072036
2020-03-05

Cement bonding evaluation with a sonic-logging-while-drilling tool

#250
20200072005
2020-03-05

Statorless shear valve pulse generator

#251
20200063533
2020-02-27

Modeling friction along a wellbore

#252
20200056478
2020-02-20

Predictive lithology and formation type for downhole drilling

#253
20200033501
2020-01-30

IMPROVED METHODS RELATING TO QUALITY CONTROL

#254
20200032638
2020-01-30

METHOD OF OPTIMIZING DRILLING OPERATION USING EMPIRICAL DATA

#255
20200018160
2020-01-16

Wellbore failure analysis and assessment

#256
20200018144
2020-01-16

CHARGE BASED STIMULATION OF ADJACENT WELLS TO FORM INTERCONNECTED FRACTURE NETWORK AND HYDROCARBON PRODUCTION THEREFROM

#257
20200011171
2020-01-09

Apparatuses and methods for forming an instrumented cutting for an earth-boring drilling tool

#258
20200011170
2020-01-09

Apparatuses and method for attaching an instrumented cutting element to an earth-boring drilling tool

#259
20200003037
2020-01-02

Measurement of poroelastic pressure response

#260
20190390545
2019-12-26

Evaluation of pressure-transient behavior of wells

#261
20190369078
2019-12-05

Method for simulating the quantity and the quality of the hydrocarbons from a sedimentary basin

#262
20190361142
2019-11-28

Insulator base for antenna assemblies

#263
20190361139
2019-11-28

Vibration while drilling acquisition and processing system

#264
20190353033
2019-11-21

Systems and methods to predict and inhibit broken-out drilling-induced fractures in hydrocarbon wells

#265
20190346579
2019-11-14

Ubiquitous real-time fracture monitoring

#266
20190345819
2019-11-14

Drill stem module for downhole analysis

#267
20190345809
2019-11-14

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

#268
20190338636
2019-11-07

Synthetic formation evaluation logs based on drilling vibrations

#269
20190330980
2019-10-31

Device and method for evaluating gas-water two-phase flow fracture conductivity of fractured shale

#270
20190318021
2019-10-17

Extensible well data integrity smart detector

#271
20190309621
2019-10-10

Drilling communication system with Wi-Fi wet connect

#272
20190301266
2019-10-03

Single-trip wellbore liner drilling system

#273
20190292908
2019-09-26

Data-driven methods and systems for improving oil and gas drilling and completion processes

#274
20190292907
2019-09-26

System and method for transmitting information in a borehole

#275
20190292898
2019-09-26

Model-based parameter estimation for directional drilling in wellbore operations

#276
20190277136
2019-09-12

Modular resistivity sensor for downhole measurement while drilling

#277
20190277135
2019-09-12

System and method for detecting downhole events

#278
20190277130
2019-09-12

Methods for real-time optimization of drilling operations

#279
20190266294
2019-08-29

Locating new hydrocarbon fields and predicting reservoir performance from hydrocarbon migration

#280
20190264559
2019-08-29

Determining a mudweight of drilling fluids for drilling through naturally fractured formations

#281
20190257972
2019-08-22

VIBRATION WHILE DRILLING DATA PROCESSING METHODS

#282
20190257182
2019-08-22

Oil Recovery Method

#283
20190235120
2019-08-01

Latch antenna shield for downhole logging tool

#284
20190235109
2019-08-01

Generating a high-resolution lithology model for subsurface formation evaluation

#285
20190234207
2019-08-01

OPTIMIZATION OF RATE-OF-PENETRATION

#286
20190226333
2019-07-25

Methods of evaluating drilling performance, methods of improving drilling performance, and related systems for drilling using such methods

#287
20190212908
2019-07-11

Non-linear probabilistic wagering for amplified collective intelligence

#288
20190212282
2019-07-11

AUTOMATED MEASUREMENTS ON DRILL CUTTINGS WHILE DRILLING

#289
20190203594
2019-07-04

AUTOMATIC METHOD AND SYSTEM FOR DETECTING PROBLEMATIC GEOLOGICAL FORMATIONS AHEAD OF TUNNEL FACES

#290
20190178046
2019-06-13

Anti-settling Apparatus and Method and Apparatus for Checking the Same, and Apparatus for Preventing Settlement of Well

#291
20190153859
2019-05-23

Apparatus and method using measurements taken while drilling to map mechanical boundaries and mechanical rock properties along a borehole

#292
20190147125
2019-05-16

Field operations system

#293
20190145239
2019-05-16

Field operations system with particle filter

#294
20190145184
2019-05-16

Dynamic wear prediction for fixed cutter drill bits

#295
20190106978
2019-04-11

METHOD FOR PRODUCING AN OIL WELL

#296
20190079209
2019-03-14

Multi-Well Resistivity Anisotropy Modeling, Used to Improve the Evaluation of Thinly Bedded Oil and Gas Reservoirs

#297
20190057168
2019-02-21

Obtaining micro- and macro-rock properties with a calibrated rock deformation simulation

#298
20190048707
2019-02-14

Apparatus and methods for automated slide drilling

#299
20190048706
2019-02-14

Apparatus and methods for automated slide drilling

#300
20190048705
2019-02-14

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