ClassID:

135731

E21B49/08 - 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 Obtaining fluid samples or testing fluids, in boreholes or wells

Sub-classes:
Recent Application in this class:
#1
20260147966
2026-05-28

METHODS, SYSTEMS, AND MEDIUMS FOR FRACTURING DESIGN OF INFILL WELL BASED ON RECOVERABLE REGION

#2
20260139586
2026-05-21

LARGE COUNT MICROSAMPLER

#3
20260132713
2026-05-14

IDENTIFYING ASPHALTENE PRECIPITATION AND AGGREGATION WITH A FORMATION TESTING AND SAMPLING TOOL

#4
20260110631
2026-04-23

PREDICTION OF PERCENTAGE LEVELS OF GASES THAT ARE UNDETECTABLE VIA OPTICAL ABSORPTION MEASUREMENTS

#5
20260098978
2026-04-09

SYSTEMS AND METHODS FOR AUTOMATICALLY DETECTING SAND EVENTS IN WELL SYSTEMS

#6
20260098472
2026-04-09

PREDICTION OF SURFACE GAS CONCENTRATIONS IN DRILLING FLUID

#7
20260085609
2026-03-26

ELECTRONICS-FREE FLOW SENSOR DOWNHOLE IN A WELLBORE

#8
20260055698
2026-02-26

METHOD AND SYSTEM FOR MONITORING WELL FLOW CHARACTERISTICS

#9
20260015937
2026-01-15

SYSTEMS AND METHODS FOR INFERRING RESERVOIR PRESSURE BASED ON INITIAL COILED TUBING RUN CONDITIONS

#10
20260009324
2026-01-08

ENHANCED GEOTHERMAL SYSTEMS AND METHODS

#11
20250377477
2025-12-11

PETROPHYSICAL EVALUATION FROM NON-RADIOACTIVE MEASUREMENTS AND MUDLOGGING DATA THROUGH DENSITY AND NEUTRON POROSITY LOG RECONSTRUCTION

#12
20250347219
2025-11-13

REAL-TIME ZONAL INFLOW ANALYZER WITH CLOSED-LOOP TRACER SYSTEM

#13
20250346561
2025-11-13

TRACERS FOR PETROLEUM RESERVOIRS

#14
20250334043
2025-10-30

DOWNHOLE TOOL, WELL SYSTEM, AND METHOD EMPLOYING A SENSOR POSITIONED PROXIMATE A SIGNAL NOISE SOURCE POWERED BY A DOWNHOLE POWER SOURCE, THE SENSOR CONFIGURED TO SENSE FOR NOISE AND SEND UPHOLE OPERATIONAL DATA EMBEDDED WITHIN THE NOISE

#15
20250327401
2025-10-23

METHOD FOR CHARACTERIZING INTER-WELL CONNECTIVITY, DEVICE, MEDIUM AND PRODUCT

#16
20250327400
2025-10-23

SYSTEM AND METHOD FOR MEASURING DOWNHOLE MUD FLOW DENSITY

#17
20250283402
2025-09-11

CEMENT HEALTH MONITORING IN CCUS WELLS

#18
20250270902
2025-08-28

SYSTEMS AND METHODS FOR CONTROLLING FLUID FLOW IN A WELLBORE UTILIZING A FLOW CONTROL SYSTEM

#19
20250264446
2025-08-21

DESIGNS FOR ENHANCED RELIABILITY AND CALIBRATION OF LANDFILL GAS MEASUREMENT AND CONTROL DEVICES

#20
20250252509
2025-08-07

METHOD FOR OPTIMIZING RESOURCE USAGE FOR OIL RESERVOIR DEVELOPMENT

#21
20250250882
2025-08-07

Downhole Fluid Flow Control System

#22
20250250862
2025-08-07

DRILL BIT ASSEMBLY FOR REVERSE CIRCULATION HAMMER

#23
20250244497
2025-07-31

NMR-BASED LITHIUM MEASURING AND MONITORING DOWNHOLE TOOLS, METHODS OF USING SAID DOWNHOLE TOOLS, AND METHODS OF MEASURING LITHIUM CONCENTRATIONS BASED ON NMR MEASUREMENTS ACQUIRED BY SAID DOWNHOLE TOOLS

#24
20250231161
2025-07-17

PRESSURE-VOLUME-TEMPERATURE (PVT) SYSTEM FOR RESERVOIR FLUID CHARACTERIZATION

#25
20250179911
2025-06-05

SYSTEM AND METHOD OF MONITORING FRACTURING IN GEOTHERMAL SYSTEMS

#26
20250155345
2025-05-15

ACOUSTIC FLUID DENSITY DETERMINATION FOR GEOMETRICALLY COMPLEX FLOW CELLS

#27
20250146945
2025-05-08

QUANTIFICATION OF WELLBORE FLUID ADDITIVES BY LASER INDUCED BREAKDOWN SPECTROSCOPY

#28
20250137370
2025-05-01

PIEZOELECTRIC LEAF CELL SENSOR ARRAY FOR MULTIPHASE GAS-OIL-WATER FLOW METERING

#29
20250137333
2025-05-01

DETERMINING CLEAN-UP CHARACTERISTICS FOR DESIGNING WELLBORE FLUID

#30
20250128303
2025-04-24

PORTABLE GAS MONITOR

#31
20250122800
2025-04-17

SENSOR FOR QUANTIFYING PRODUCTION FLUID PERCENTAGE CONTENT

#32
20250116190
2025-04-10

PROCESSES FOR DETERMINING FORMATION SALINITY AND SATURATION

#33
20250116166
2025-04-10

UNTETHERED DOWNHOLE TOOLS

#34
20250116165
2025-04-10

Buoyancy Control of Robots Downhole

#35
20250110106
2025-04-03

LITHIUM LOGGING TOOL FOR LITHIUM CONCENTRATION DETERMINATION IN RESERVOIR BRINES

#36
20250084758
2025-03-13

SYSTEMS AND METHODS FOR INFERRING RESERVOIR PRESSURE BASED ON INITIAL COILED TUBING RUN CONDITIONS

#37
20250075607
2025-03-06

QUANTITATIVE DISTANCE-BASED LIGHT HYDROCARBON MEASUREMENTS CORRELATIONS AND GRAPH THEORY FOR DETERMINING RESERVOIR COMPLEXITY

#38
20250067167
2025-02-27

METHOD AND SYSTEM OF MONITORING A HYDROCARBON RESERVOIR

#39
20250020058
2025-01-16

SELF-CALIBRATED METHOD OF DETERMINING BOREHOLE FLUID ACOUSTIC PROPERTIES

#40
20250012183
2025-01-09

FLUID PROPERTY ESTIMATION BASED ON ELECTROMAGNETIC MEASUREMENTS

#41
20250012170
2025-01-09

Autonomous Flow Control Systems having Bypass Functionality

#42
20240401445
2024-12-05

Interventions to Boost Well Performance in Geothermal Systems

#43
20240393314
2024-11-28

CLASSIFYING DYNAMIC BEHAVIOR OF FRACTURED RESERVOIRS USING RONALD NELSON'S METHOD AND PRESSURE TRANSIENT ANALYSIS

#44
20240384162
2024-11-21

SILICA-ENCAPSULATED TRACERS FOR USE IN FRACTURING FLUIDS AND METHODS OF PREPARATION AND ETCHING THEREOF

#45
20240352838
2024-10-24

ANOMALY DETECTION IN GAS MEASUREMENTS OF HYDROCARBON WELLS

#46
20240328306
2024-10-03

METHOD AND APPARATUS FOR QUANTITATIVE MULTI-PHASE DOWNHOLE SURVEILLANCE

#47
20240310263
2024-09-19

Sample preparation pressure-volume-temperature (PVT) cell for viscosity sample preparation with electromagnetic viscometer (EMV)

#48
20240309759
2024-09-19

METHOD OF USING A DISSOLVABLE DEPLOYMENT DEVICE FOR THE TRANSFER OF ULTRAHIGH RESOLUTION NANOPARTICLE TRACER ADDITIVES INTO A WELLBORE

#49
20240308962
2024-09-19

TRACERS FOR PETROLEUM RESERVOIRS

#50
20240301790
2024-09-12

Quantifying zonal flow in multi-lateral wells via taggants of fluids

#51
20240299879
2024-09-12

SULFIDE SCAVENGING AGGREGATE FOR THE CONSTRUCTION OF LANDFILL GAS WELLS

#52
20240280536
2024-08-22

PERMANENT ELECTROMAGNET SENSOR TO DETECT THE END OF REVERSE CEMENTING

#53
20240272104
2024-08-15

ESTIMATION OF DIELECTRIC PROPERTIES OF A DOWNHOLE FLUID

#54
20240271524
2024-08-15

Method for determining adsorbed gas content during production process of deep coalbed methane well

#55
20240263554
2024-08-08

METHOD OF USING A PERFORATOR DEVICE FOR THE TRANSFER OF NANOPARTICLE TRACER ADDITIVES INTO A FORMATION AND CLUSTER LEVEL FLOW MAPPING

#56
20240263517
2024-08-08

SYSTEMS AND METHODS FOR OPTIMIZING LATERAL LANDING FOR EXPLORATIONAL ENVIRONMENTS

#57
20240241090
2024-07-18

HIGH-RESOLUTION AGE DIFFERENTIATION OF JURASSIC-SOURCED OILS ACROSS THE NORTH ATLANTIC MARGINS

#58
20240218760
2024-07-04

SYSTEM AND METHOD FOR CREATING PRESSURE WAVES IN A WELL

#59
20240183267
2024-06-06

Sequential Selection Of Locations For Formation Pressure Test For Pressure Gradient Analysis

#60
20240167990
2024-05-23

Enhanced reliability and calibration of landfill gas measurement and control devices

#61
20240151140
2024-05-09

Identifying Asphaltene Precipitation And Aggregation With A Formation Testing And Sampling Tool

#62
20240151139
2024-05-09

Systems and Methods for Identifying Two or More Charges into Reservoir Using Downhole Fluid Analysis

#63
20240150643
2024-05-09

Smart proppant technology for fracking and well production performance monitoring

#64
20240141780
2024-05-02

GENERATING DOWNHOLE FLUID COMPOSITIONS FOR WELLBORE OPERATIONS USING MACHINE LEARNING

#65
20240093603
2024-03-21

Method of using a dissolvable deployment device for the transfer of ultrahigh resolution nanoparticle tracer additives into a wellbore

#66
20240093592
2024-03-21

QUANTIFICATION OF PORE-FILLING DOLOMITE AND CALCITE CEMENT IN CARBONATE RESERVOIRS IN POST HYDROCARBON CHARGE STAGE

#67
20240082895
2024-03-14

Portable gas monitor

#68
20240068366
2024-02-29

Large Count Microsampler

#69
20240067606
2024-02-29

TRACERS FOR PETROLEUM RESERVOIRS

#70
20240061140
2024-02-22

DETERMINATION OF GEOLOGIC PERMEABILITY CORRELATIVE WITH MAGNETIC PERMEABILITY MEASURED IN-SITU

#71
20240054101
2024-02-15

Fluid optical database reconstruction methods and applications thereof

#72
20240035376
2024-02-01

Sensor for quantifying production fluid percentage content

#73
20240035372
2024-02-01

DENSITY SENSOR FOR QUANTIFYING PRODUCTION FLUID CONTENT

#74
20230417712
2023-12-28

MULTIFUNCTIONAL MAGNETIC TAGS FOR MUD LOGGING

#75
20230399943
2023-12-14

Fluid identification outside of wellbore tubing

#76
20230384479
2023-11-30

NUMERICAL SIMULATION CAPABILITY FOR DETERMINING BLOCKAGES WITHIN A WELLBORE AND WELLBORE COMPLETION SETUPS

#77
20230367030
2023-11-16

Method to automatically calibrate a downhole tool in an oil-based mud environment

#78
20230365855
2023-11-16

OLIGONUCLEOTIDE-CONTAINING TRACER PARTICLES FOR SUBTERRANEAN APPLICATIONS

#79
20230332040
2023-10-19

Smart proppant technology for fracking and well production performance monitoring

#80
20230324353
2023-10-12

Designs for enhanced reliability and calibration of landfill gas measurement and control devices

#81
20230313679
2023-10-05

Immersed lens downhole refractometer

#82
20230304379
2023-09-28

Adaptive fluid switches having a temporary configuration

#83
20230296010
2023-09-21

Real-time model of rig and bit hydraulics efficiency

#84
20230288396
2023-09-14

SYSTEM AND METHOD FOR ESTIMATING RESERVOIR FLUID CONTAMINATION

#85
20230280194
2023-09-07

Fluid component determination using thermal properties

#86
20230279775
2023-09-07

USING MICROBIAL DNA IN WELL PLANNING AND MANAGEMENT

#87
20230279287
2023-09-07

Oligonucleotide-containing tracer particles for subterranean applications

#88
20230273180
2023-08-31

SYSTEMS AND METHODS FOR AUTOMATED, REAL-TIME ANALYSIS AND OPTIMIZATION OF FORMATION-TESTER MEASUREMENTS

#89
20230273128
2023-08-31

Method to prepare virtual assay using fluorescence spectroscopy

#90
20230272714
2023-08-31

Method to prepare virtual assay using fourier transform infrared spectroscopy

#91
20230272713
2023-08-31

Method to prepare virtual assay using ultraviolet spectroscopy

#92
20230272682
2023-08-31

AUTOMATED DRILLING FLUIDS MANAGEMENT SYSTEM

#93
20230243258
2023-08-03

Downhole tool with filtration device

#94
20230228729
2023-07-20

Apparatus and method for measuring settling of weighting materials in drilling and completion fluids

#95
20230213459
2023-07-06

Methods and Means for Identifying Fluid Type Inside a Conduit

#96
20230184108
2023-06-15

Detecting downhole fluid composition utilizing photon emission

#97
20230184099
2023-06-15

Tracers for petroleum reservoirs

#98
20230151731
2023-05-18

Application method of device for accurately evaluating vertical content distribution of undersea hydrate reservoir

#99
20230146946
2023-05-11

Customized Thin Film Optical Element Fabrication System and Method

#100
20230141819
2023-05-11

Multifunctional magnetic tags for mud logging

#101
20230141107
2023-05-11

MIXED SALINITY IMPACT ON INTERPRETATION AND REMEDIAL DETECTION TECHNIQUE

#102
20230138017
2023-05-04

DETERMINING MATURITY OF PALEOZOIC UNCONVENTIONAL SHALE GAS

#103
20230127803
2023-04-27

Online monitoring of production processes using electron paramagnetic resonance (EPR)

#104
20230127365
2023-04-27

Automated remote line maintenance and sample conditioning system

#105
20230122970
2023-04-20

Ferrofluidic sealing technology for sampling while rotating and drilling

#106
20230093917
2023-03-30

Use Of Nuclear Magnetic Resonance For Gas Wettability And Supercritical Fluid Wettability Determination

#107
20230089975
2023-03-23

Method and device for separating and measuring multiphase immiscible fluid mixtures

#108
20230089200
2023-03-23

Method and device for separating and measuring multiphase immiscible fluid mixtures using an improved analytical cell

#109
20230077558
2023-03-16

Fluid sequestration method and system

#110
20230075550
2023-03-09

Method for obtaining near-wellbore true borehole sigma and true formation sigma by using a nuclear logging tool during oil and gas exploration

#111
20230037395
2023-02-09

Portable gas monitor

#112
20230020895
2023-01-19

Fluid optical database reconstruction methods and applications thereof

#113
20230003708
2023-01-05

METHODS OF GEOLOGIC SAMPLE ANALYSIS

#114
20230003628
2023-01-05

SYSTEM AND METHOD FOR MEASURING DOWNHOLE MUD FLOW DENSITY

#115
20220403737
2022-12-22

Determining Asphaltene Onset

#116
20220389793
2022-12-08

System and method for creating pressure waves in a well

#117
20220356783
2022-11-10

Adaptive fluid switches for autonomous flow control

#118
20220333453
2022-10-20

Downhole core plug apparatuses and related methods

#119
20220325622
2022-10-13

SELF-CALIBRATED METHOD OF DETERMINING BOREHOLE FLUID ACOUSTIC PROPERTIES

#120
20220316329
2022-10-06

Identifying asphaltene precipitation and aggregation with a formation testing and sampling tool

#121
20220307337
2022-09-29

Geosteering in directional drilling

#122
20220300580
2022-09-22

Integrated modeling using multiple subsurface models

#123
20220291451
2022-09-15

Optical fiber connection

#124
20220235649
2022-07-28

Method and apparatus for quantitative multi-phase downhole surveillance

#125
20220220847
2022-07-14

Device to evaluate hydraulic fracturing diversion material behavior and performance

#126
20220205970
2022-06-30

Method for determining subsurface hydrocarbon fluid properties of reservoired hydrocarbons

#127
20220187490
2022-06-16

Electron paramagnetic resonance (EPR) techniques and apparatus for performing EPR spectroscopy on a flowing fluid

#128
20220186616
2022-06-16

MEASURING EXTRACTION EFFICIENCY FOR DRILLING FLUID

#129
20220186604
2022-06-16

Method and system for determining depths of drill cuttings

#130
20220178903
2022-06-09

System and method for environmental sampling and analysis

#131
20220178247
2022-06-09

Method and system for collecting and managing remote sensor data

#132
20220170363
2022-06-02

Tracers for petroleum reservoirs

#133
20220170362
2022-06-02

TRACERS FOR PETROLEUM RESERVOIRS

#134
20220170355
2022-06-02

Well production optimization using hyperspectral imaging

#135
20220162937
2022-05-26

Assessment of flow networks

#136
20220145168
2022-05-12

Smart proppant technology for fracking and well production performance monitoring

#137
20220120178
2022-04-21

Detecting downhole fluid composition utilizing photon emission

#138
20220112803
2022-04-14

FLUID SAMPLER TOOL AND ASSOCIATED SYSTEM AND METHOD

#139
20220112789
2022-04-14

OILFIELD DEEP WELL PROCESSING AND INJECTION FACILITY AND METHODS

#140
20220106868
2022-04-07

Estimating natural fracture properties based on production from hydraulically fractured wells

#141
20220090496
2022-03-24

Methods and systems for gas condensate well performance prediction

#142
20220082547
2022-03-17

Methods and systems for correction of oil-based mud filtrate contamination on saturation pressure

#143
20220074303
2022-03-10

DETERMINING RESERVOIR FLUID PROPERTIES FROM DOWNHOLE FLUID ANALYSIS DATA USING MACHINE LEARNING

#144
20220065105
2022-03-03

Estimating formation isotopic concentration with pulsed power drilling

#145
20220065102
2022-03-03

Plasma chemistry based analysis and operations for pulse power drilling

#146
20220065044
2022-03-03

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

#147
20220042392
2022-02-10

Production logging tool

#148
20220035065
2022-02-03

Elastic adaptive downhole acquisition system

#149
20220025736
2022-01-27

SYSTEM AND METHOD FOR PROVIDING INFORMATION ON PRODUCTION VALUE AND/OR EMISSIONS OF A HYDROCARBON PRODUCTION SYSTEM

#150
20220018237
2022-01-20

Methods to improve fluid flow of a multi-phase mixture, methods to separate fluids of a multiphase mixture, and multi-phase fluid mixture systems

#151
20210405246
2021-12-30

Conversion of rock mechanics data from confining stress to pore pressure for reservoir simulators

#152
20210404333
2021-12-30

Microbiome Based Systems, Apparatus and Methods for the Exploration and Production of Hydrocarbons

#153
20210404271
2021-12-30

Treatment of oil-based mud for determining oil-water ratio

#154
20210396135
2021-12-23

Microbiome Based Systems, Apparatus and Methods for the Exploration and Production of Hydrocarbons

#155
20210388719
2021-12-16

Solvent-stabilized colorimetric detection of amine-based additives

#156
20210381363
2021-12-09

RELATIVE PERMEABILITY ESTIMATION METHODS AND SYSTEMS EMPLOYING DOWNHOLE PRESSURE TRANSIENT ANALYSIS, SATURATION ANALYSIS, AND POROSITY ANALYSIS

#157
20210372977
2021-12-02

Designs for enhanced reliability and calibration of landfill gas measurement and control devices

#158
20210372947
2021-12-02

METHODS AND MEANS FOR IDENTIFYING FLUID TYPE INSIDE A CONDUIT

#159
20210363872
2021-11-25

Methods to characterize subterranean fluid composition and adjust operating conditions using MEMS technology

#160
20210348496
2021-11-11

Cross-plot engineering system and method

#161
20210341641
2021-11-04

SYSTEM, METHOD AND APPARATUS FOR EXPLORATION

#162
20210340866
2021-11-04

Logging tool with 4D printed sensing system

#163
20210340865
2021-11-04

Subsurface measurement compression and reconstruction

#164
20210332695
2021-10-28

Selectively injectable tracer flowmeter

#165
20210308637
2021-10-07

Oilfield deep well processing and injection facility and methods

#166
20210302404
2021-09-30

Automated method and apparatus for measuring saturate, aromatic, resin, and asphaltene fractions using microfluidics and spectroscopy

#167
20210293142
2021-09-23

Contamination estimation of formation samples

#168
20210293141
2021-09-23

Chemical injection system for a resource extraction system

#169
20210293140
2021-09-23

Fluid flow condition sensing probe

#170
20210285927
2021-09-16

Quantifying operational inefficiencies utilizing natural gasses and stable isotopes

#171
20210278351
2021-09-09

Performing microwave measurements on samples under confining pressure using coaxial resonators

#172
20210277749
2021-09-09

Method and system for simulating well performance using wellhead measurements

#173
20210263008
2021-08-26

Methods and systems for estimation of oil formation volume factor

#174
20210246784
2021-08-12

Sampling techniques to detect hydrocarbon seepage

#175
20210222543
2021-07-22

Estimating natural fracture properties based on production from hydraulically fractured wells

#176
20210207478
2021-07-08

Downhole tool with filtration device

#177
20210207477
2021-07-08

Methods and devices for evaluating the contents of materials

#178
20210201178
2021-07-01

MULTI-PHASE CHARACTERIZATION USING DATA FUSION FROM MULTIVARIATE SENSORS

#179
20210198976
2021-07-01

Flow control device including a cantilever restrictor

#180
20210189840
2021-06-24

Systems and methods for multiscale sector hydrocarbon reservoir simulation

#181
20210180449
2021-06-17

Method and apparatus for measuring characteristics of fluid in a reservoir

#182
20210165123
2021-06-03

Mid-infrared carbon dioxide sensor

#183
20210164908
2021-06-03

Bandgap detection of reactive components in fluids

#184
20210131261
2021-05-06

Determining proppant distribution for a plurality of clusters within a fracture stage

#185
20210131250
2021-05-06

Wellbore to fracture connectivity

#186
20210131249
2021-05-06

Determining a hydraulic fracture completion configuration for a wellbore

#187
20210115773
2021-04-22

Methods to improve fluid flow of a multi-phase mixture, methods to separate fluids of a multi-phase mixture, and multi-phase fluid mixture systems

#188
20210108512
2021-04-15

Characterizing the base oil of a drilling mud for compatibility with subsequent subterranean operations

#189
20210108505
2021-04-15

Systems and methods for enthalpy monitoring of a fluid

#190
20210108471
2021-04-15

Automated remote line maintenance and sample conditioning system

#191
20210096044
2021-04-01

Sampler trigger mechanism

#192
20210088476
2021-03-25

Autonomous inflow control device for live flow monitoring

#193
20210080380
2021-03-18

Customized Thin Film Optical Element Fabrication System and Method

#194
20210079790
2021-03-18

Method for exploitation and/or monitoring of an aquifer comprising at least one dissolved gas

#195
20210079789
2021-03-18

Shale oil analysis method and apparatus for continuously characterizing saturation of adsorbed oil and free oil

#196
20210072209
2021-03-11

Online monitoring of production processes using electron paramagnetic resonance (EPR)

#197
20210062642
2021-03-04

Downhole signal compression and surface reconstruction

#198
20210048553
2021-02-18

Method for improving the accuracy of mud angle measurements in borehole imagers

#199
20210048425
2021-02-18

Measuring the oil, water, and solid concentration in oil-based drilling fluids

#200
20210048419
2021-02-18

Tunnel toxic-and-harmful-gas deep-hole detection device and method

#201
20210047922
2021-02-18

Measuring the oil content in oil-based drilling fluids

#202
20210041591
2021-02-11

Determination of geologic permeability correlative with magnetic permeability measured in-situ

#203
20210032986
2021-02-04

Subsurface measurement compression and reconstruction

#204
20210025840
2021-01-28

Determining borehole mud composition

#205
20210025271
2021-01-28

Cross-plot engineering system and method

#206
20210010370
2021-01-14

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

#207
20210010367
2021-01-14

Methods for determining a volume fraction of water and water salinity in organic shale reservoirs using multi-frequency dielectric well logging measurements

#208
20210002970
2021-01-07

Determination of rheology of fluid in an oil or gas well

#209
20200408951
2020-12-31

Well fracture modelling

#210
20200408083
2020-12-31

Electronic module housing for downhole use

#211
20200386099
2020-12-10

Production-logging sensor

#212
20200378257
2020-12-03

Liquid taking device and liquid taking method

#213
20200378249
2020-12-03

Systems and Methods for Identifying Two or More Charges into Reservoir Using Downhole Fluid Analysis

#214
20200363320
2020-11-19

Two frequency comb fourier spectroscopy for chemical sensing

#215
20200362696
2020-11-19

In-situ thermal response fluid characterization

#216
20200355070
2020-11-12

Systems and methods for sand flow detection and quantification

#217
20200355038
2020-11-12

Method and apparatus for oil and gas operations

#218
20200348444
2020-11-05

Dual-sensor tool optical data processing through master sensor standardization

#219
20200340346
2020-10-29

Mineral recovery

#220
20200325774
2020-10-15

Flowline saturation pressure measurement

#221
20200325773
2020-10-15

Gathering and segregation of heterogeneous crude sources

#222
20200325772
2020-10-15

Method to use a buoyant body to measure two-phase flow in horizontal wells

#223
20200308931
2020-10-01

Adaptive fluid switches for autonomous flow control

#224
20200300085
2020-09-24

Compact logging while drilling look around and look ahead tool

#225
20200300084
2020-09-24

Compact logging while drilling look around and look ahead tool

#226
20200291777
2020-09-17

Immersed lens downhole refractometer

#227
20200291776
2020-09-17

Self-calibrated method of determining borehole fluid acoustic properties

#228
20200290040
2020-09-17

Microfluidic technique for detection of multi-contact miscibility

#229
20200285009
2020-09-10

Directional sensitive fiber optic cable wellbore system

#230
20200284146
2020-09-10

Cutting tool with porous regions

#231
20200284131
2020-09-10

Well production optimization using hyperspectral imaging

#232
20200284128
2020-09-10

Detecting a fraction of a component in a fluid

#233
20200271825
2020-08-27

System and methods for mapping sensor data across parameter spaces

#234
20200271617
2020-08-27

Electrochemical hydrogen sensor

#235
20200257654
2020-08-13

Fluid optical database reconstruction methods and applications thereof

#236
20200248549
2020-08-06

System and method for controlled pumping in a downhole sampling tool

#237
20200240263
2020-07-30

RUGGEDIZED BUOYANT MEMORY MODULES FOR DATA LOGGING AND DELIVERY SYSTEM USING FLUID FLOW IN OIL AND GAS WELLS

#238
20200240243
2020-07-30

METHOD FOR INTELLIGENTLY DETERMINING HYDRATE DRILLING AND PRODUCTION RISKS BASED ON FUZZY JUDGMENT

#239
20200232316
2020-07-23

WELL KICK DETECTION

#240
20200225381
2020-07-16

Estimation of fracture properties based on borehole fluid data, acoustic shear wave imaging and well bore imaging

#241
20200225378
2020-07-16

Electron paramagnet resonance (EPR) techniques and apparatus for performing EPR spectroscopy on a flowing fluid

#242
20200225137
2020-07-16

Applying triaxial stresses to a core sample during perforation and flow testing

#243
20200224533
2020-07-16

Segmented wireless production logging

#244
20200217196
2020-07-09

Fluid Properties Including Equation of State Modeling with Optical Constraints

#245
20200209193
2020-07-02

Systems and methods for obtaining downhole fluid properties

#246
20200208514
2020-07-02

SYSTEMS AND METHODS FOR OBTAINING DOWNHOLE FLUID PROPERTIES

#247
20200200006
2020-06-25

Optical gas sensor assembly

#248
20200200005
2020-06-25

Optical analysis of wellbore fluid demulsifiers

#249
20200200004
2020-06-25

Measurement-while-drilling method and device for assessing outburst risk of coal seam

#250
20200190978
2020-06-18

Apparatuses, systems, and methods for dynamic proppant transport fluid testing

#251
20200190972
2020-06-18

Electrical downhole communication connection for downhole drilling

#252
20200190960
2020-06-18

SYSTEMS AND METHODS TO CONTROL DRILLING OPERATIONS BASED ON FORMATION ORIENTATIONS

#253
20200190958
2020-06-18

Systems and methods to control drilling operations based on formation orientations

#254
20200182053
2020-06-11

Optical Computing Device Having A Redundant Light Source and Optical Train

#255
20200174037
2020-06-04

Testing device and method for measuring adhesion force between gas hydrate and mineral particles

#256
20200165917
2020-05-28

Apparatus and methods to manage wellbore fluid properties

#257
20200149396
2020-05-14

Determining characteristics of a fluid in a wellbore

#258
20200149395
2020-05-14

Multiphase flow meter with tuning fork

#259
20200141874
2020-05-07

Detection via bandgap of reactive components in fluids

#260
20200141227
2020-05-07

Online tracer monitoring and tracer meter

#261
20200124763
2020-04-23

Data storage device with stored instructions for measurement of hydrocarbon content of tight gas reservoirs

#262
20200124762
2020-04-23

Data processing system for measurement of hydrocarbon content of tight gas reservoirs

#263
20200124761
2020-04-23

Computer implemented method for measurement of hydrocarbon content of tight gas reservoirs

#264
20200124534
2020-04-23

Detection of trace chemicals in oil and gas applications

#265
20200115992
2020-04-16

Systems and techniques for controlling and monitoring downhole operations in a well

#266
20200115619
2020-04-16

Optimized salinity for enhanced water flood applications

#267
20200102823
2020-04-02

PDC SENSING ELEMENT FABRICATION PROCESS AND TOOL

#268
20200096429
2020-03-26

Method to predict downhole reservoir fluids interfacial tension

#269
20200095842
2020-03-26

Apparatus, systems and method for oil and gas operations

#270
20200080419
2020-03-12

Methods and devices for evaluating the contents of materials

#271
20200074027
2020-03-05

Chronostratigraphic modeling and mapping system and method

#272
20200041395
2020-02-06

IDENTIFICATION OF FLUID PROPERTIES USING A PIEZO HELM RESONATOR

#273
20200033316
2020-01-30

Controlling bitumen recovery from an oil sands ore body by using a predictive ore processability model in producing a blended ore feedstock

#274
20200018154
2020-01-16

Hydrocarbon wells and methods for identifying production from a region of a subterranean formation

#275
20200011169
2020-01-09

Methods and systems for wellbore integrity management

#276
20200003054
2020-01-02

Apparatus and methods for tools for collecting high quality reservoir samples

#277
20200003044
2020-01-02

Tool for measuring corrosion in oil wells and method for measuring corrosion

#278
20190390534
2019-12-26

Method and system of producing hydrocarbons using physics-based data-driven inferred production

#279
20190383786
2019-12-19

System for simulating in situ downhole drilling conditions and testing of core samples

#280
20190383141
2019-12-19

Frequency sensors for use in subterranean formation operations

#281
20190383140
2019-12-19

METHOD AND DEVICE FOR PREDICTING CHANGE IN WATER CUT RISING RATE IN WATER-DRIVE OIL RESERVOIR

#282
20190383136
2019-12-19

Downhole transfer system

#283
20190383135
2019-12-19

Systems and methods for downhole memory tool activation and control

#284
20190382653
2019-12-19

Sustained release system for reservoir treatment and monitoring

#285
20190382652
2019-12-19

OIL FIELD CHEMICAL-CARRYING MATERIAL AND METHOD

#286
20190376365
2019-12-12

Controlling water inflow in a wellbore

#287
20190369288
2019-12-05

Method to automatically calibrate a downhole tool in an oil-based mud environment

#288
20190368345
2019-12-05

Gas isotope analysis

#289
20190368336
2019-12-05

Method and system for determining depths of drill cuttings

#290
20190360991
2019-11-28

Methods and systems for correction of oil-based mud filtrate contamination on saturation pressure

#291
20190360332
2019-11-28

Obtaining high-resolution spectral data of formation fluids from optical computing device measurements

#292
20190360326
2019-11-28

Chemically tagged drilling fluid additives

#293
20190360317
2019-11-28

Annular Flow Meter with a Sealing Element

#294
20190353859
2019-11-21

Directional sensitive fiber optic cable wellbore system

#295
20190347568
2019-11-14

Chemical EOR materials database architecture and method for screening EOR materials

#296
20190346386
2019-11-14

Electron paramagnetic resonance (EPR) systems and methods for flow assurance and logging

#297
20190345818
2019-11-14

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

#298
20190345797
2019-11-14

System and method for controlling oil and/or gas production

#299
20190345793
2019-11-14

Downhole fluid flow control system having a temporary configuration

#300
20190339410
2019-11-07

Thermal modulated vibrating sensing module for gas molecular weight detection