ClassID:

168341

G01N24/081 - CPC Classification

Classification description:

Investigating or analyzing materials by the use of nuclear magnetic resonance, electron paramagnetic resonance or other spin effects by using nuclear magnetic resonance Making measurements of geologic samples, e.g. measurements of moisture, pH, porosity, permeability, tortuosity or viscosity

Recent Application in this class:
#1
20260132599
2026-05-14

AUTONOMOUS MINE MONITOR

#2
20260118298
2026-04-30

CHARACTERIZING EFFECTS OF CO2 CHEMICAL REACTION WITH ROCK MINERALS DURING CARBON CAPTURE AND SEQUESTRATION

#3
20260078647
2026-03-19

PRESSURE-PRESERVED CORING TOOL, USE METHOD, AND RESERVOIR ANALYSIS METHOD

#4
20260043784
2026-02-12

PETROPHYSICAL MODEL GENERATION AND USES THEREOF

#5
20260043760
2026-02-12

RESERVOIR POROSITY PREDICTION TOOL AND USES THEREOF

#6
20250377321
2025-12-11

Method and apparatus for measuring soil moisture and composition

#7
20250377320
2025-12-11

Method for Source Rock Maturity Determination Using Static High-Field Nuclear Magnetic Resonance Spectroscopy

#8
20250370074
2025-12-04

Method, Device, System and Storage Medium for Evaluating Accumulation Efficiency of Helium-rich Natural Gas

#9
20250334532
2025-10-30

FIRST HALF ECHO INCLUSION IN NUCLEAR MAGNETIC RESONANCE DATA

#10
20250290880
2025-09-18

METHOD TO DETERMINE PORE THROAT SIZE DISTRIBUTION OF ROCKS BY NUCLEAR MAGNETIC RESONANCE

#11
20250264425
2025-08-21

METHOD FOR DETERMINING HUFF AND PUFF FLUID VOLUMES IN MULTI-SCALE SPACES OF SHALE OIL RESERVOIRS

#12
20250244498
2025-07-31

DETERMINING AT LEAST ONE PETROPHYSICAL PROPERTY

#13
20250155601
2025-05-15

IN-LINE NMR SENSOR FOR ANALYZING DRILL CUTTINGS AFTER TREATMENT

#14
20250122802
2025-04-17

METHOD FOR EVALUATING ADVANCED CONFORMANCE CONTROL, SWEEP EFFICIENCY, DEEP DIVERSION, AND WATER SHUTOFF TREATMENTS

#15
20250110102
2025-04-03

IN SITU CONCENTRATION OF HYDROCARBONS IN ROCK

#16
20250109687
2025-04-03

METHOD FOR CHARACTERIZING ORGANIC RICH ROCK MATURITY AND PRODUCIBILITY

#17
20250102452
2025-03-27

DETERMINING GEOLOGIC PROPERTIES OF A ROCK SAMPLE

#18
20250067718
2025-02-27

METHOD FOR EVALUATING AND RANKING THE ENHANCED RECOVERY POTENTIAL FOR UNCONVENTIONAL RESERVOIRS

#19
20250044210
2025-02-06

METHODS FOR OPTIMIZING THE SELECTION OF POINTS TO OBTAIN FORMATION STATIC PRESSURE BASED ON THE RELATION BETWEEN THE PERMEABILITY INDEX AND THE EFFECTIVE POROSITY

#20
20250029684
2025-01-23

MICROSCOPIC COMPARISON AND EXPERIMENTAL VERIFICATION METHOD FOR WETTABILITY OF SIMILAR SURFACTANTS ON COAL DUST

#21
20240383009
2024-11-21

SYSTEMS AND METHODS FOR SORTING AND COLLECTING ENHANCED METAL-BEARING ORES OF A DESIRED SIZE FROM METAL-BEARING ORES

#22
20240264101
2024-08-08

Determining geologic properties of a rock sample

#23
20240254878
2024-08-01

Determining an uptake capacity of a core sample

#24
20240241283
2024-07-18

Split inversion for nuclear magnetic resonance data

#25
20240219601
2024-07-04

Parameterization of nuclear magnetic resonance transverse relaxation time distribution

#26
20240219329
2024-07-04

Method for determining phase-state type and saturation of fluid in tight reservoirs by NMR technology

#27
20240192155
2024-06-13

METHOD TO MEASURE ACID DIVERSION EFFICIENCY IN MATRIX ACIDIZING THROUGH NMR

#28
20240159644
2024-05-16

METHOD FOR DETERMINING LOWER RADIUS LIMIT OF MOVABLE THROAT OF SHALE

#29
20240118224
2024-04-11

Method to determine a mass of an absorbed gas and a mass of a pore gas in a sample

#30
20240068968
2024-02-29

MAGNETIC RESONANCE METHOD AND SYSTEM FOR CHARACTERIZING CIRCULAR COUETTE FLOW OF FLUIDS

#31
20240053503
2024-02-15

INTEGRATED RESERVOIR CHARACTERIZATION USING NMR T1-T2 MEASUREMENTS

#32
20240027379
2024-01-25

METHOD FOR QUANTITATIVE EVALUATION ON SENSITIVITY OF SHALE OIL AND GAS RESERVOIR TO INJECTED FLUIDS

#33
20240027378
2024-01-25

Method to determine an uncorrupted nuclear magnetic resonance response from a sample

#34
20240009711
2024-01-11

Systems and methods for sorting and collecting enhanced metal-bearing ores of a desired size from metal-bearing ores

#35
20240003839
2024-01-04

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

#36
20240003838
2024-01-04

Determining rock sample properties

#37
20230408431
2023-12-21

CALIBRATING DIRECT FLOW SIMULATIONS OF ROCK SAMPLES

#38
20230288601
2023-09-14

Logging tool motion error reduction for nuclear magnetic resonance logging via pulse sub-sequences

#39
20230274804
2023-08-31

METHOD TO PREPARE VIRTUAL ASSAY USING NUCLEAR MAGNETIC RESONANCE SPECTROSCOPY

#40
20230273175
2023-08-31

Assessing characteristics of subterranean formations using micro-computed tomography and rock mechanics testing

#41
20230258550
2023-08-17

Characterization method of closed pores and connectivity of coal measure composite reservoirs

#42
20230243728
2023-08-03

Method for determining the pore size distribution in a reservoir

#43
20230236164
2023-07-27

PH monitoring in porous media during waterflooding experiments

#44
20230184705
2023-06-15

Systems and methods for determining the mineralogy of drill solids

#45
20230152255
2023-05-18

SYSTEMS AND METHODS FOR DETERMINING SURFACTANT IMPACT ON RESERVOIR WETTABILITY

#46
20230152254
2023-05-18

Characterizing Effects Of CO2 Chemical Reaction With Rock Minerals During Carbon Capture And Sequestration

#47
20230152253
2023-05-18

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

#48
20230152252
2023-05-18

Method for measuring the spatial water permeability profile of porous media by using non-destructive nuclear magnetic resonance technique

#49
20230139309
2023-05-04

Measuring Gas in Shale Reservoirs

#50
20230133700
2023-05-04

Nuclear magnetic resonance (NMR) fluid substitution using machine learning

#51
20230115815
2023-04-13

Chemometric characterization of refinery hydrocarbon streams

#52
20230112374
2023-04-13

Downhole rotary core analysis using imaging, pulse neutron, and nuclear magnetic resonance

#53
20230093917
2023-03-30

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

#54
20230074144
2023-03-09

Nuclear magnetic resonance systems and methods for characterization of borehole materials

#55
20230045602
2023-02-09

Device and method for measuring fluid saturation in nuclear magnetic resonance on-line displacement

#56
20230038474
2023-02-09

Apparatus for the measurement of ore in mine haul vehicles

#57
20230034745
2023-02-02

Apparatus for the measurement of ore in mine ore benches

#58
20230012861
2023-01-19

Determination of estimated maximum recoverable (EMR) hydrocarbons in unconventional reservoirs

#59
20230008054
2023-01-12

DETERMINING SATURATION IN LOW RESISTIVITY PAY ZONES

#60
20220413178
2022-12-29

Efficient damped pulsed energy transmitter

#61
20220390396
2022-12-08

Method and apparatus for high-throughput nuclear magnetic resonance measurements on borehole materials

#62
20220390342
2022-12-08

Experimental device and method for supercritical CO2/H2O mixed fluid huff and puff for shale oil development

#63
20220381714
2022-12-01

Digital retort measurement systems and methods

#64
20220365242
2022-11-17

Correction of nuclear magnetic resonance data in high vibration environments

#65
20220341858
2022-10-27

Wettability estimation using magnetic resonance

#66
20220317327
2022-10-06

Microfluidic device and method for parallel pressure-volume-temperature analysis in reservoir simulations

#67
20220317074
2022-10-06

Systems and methods for determining grain density of an untreated rock sample using a gas porosimeter and nuclear magnetic resonance

#68
20220307998
2022-09-29

Combined discrete gaussian analysis of MICP and NMR T2 distributions of multi-modal carbonate rocks

#69
20220291411
2022-09-15

Nuclear magnetic resonance method quantifying fractures in unconventional source rocks

#70
20220291157
2022-09-15

METHOD FOR ESTABLISHING MATHEMATICAL MODEL OF RELATIONSHIP BETWEEN SPONTANEOUS IMBIBITION VOLUME AND TIME OF POROUS MEDIUM

#71
20220291156
2022-09-15

METHOD FOR NUCLEAR MAGNETIC RESONANCE DIFFUSION MEASUREMENTS

#72
20220252756
2022-08-11

Tight reservoir fluid characterization by using sonic slowness well logs

#73
20220236443
2022-07-28

Adaptive real-time nuclear magnetic resonance logging for subsurface operations

#74
20220228997
2022-07-21

Evaluation of source rock samples from subterranean reservoirs

#75
20220205937
2022-06-30

Methods and systems to determine tortuosity of rock and fluids in porous media

#76
20220091295
2022-03-24

Method of imaging using azimuthally resolved NMR while drilling

#77
20220082517
2022-03-17

Methods and systems for characterizing a porous rock sample employing combined capillary pressure and NMR measurements

#78
20220082011
2022-03-17

Method and system to improve open loop systems

#79
20220057347
2022-02-24

Method for separating oil-water two-phase NMR signals by using dynamic nuclear polarization

#80
20220057346
2022-02-24

Method for measuring oil-water distribution using dynamic nuclear polarization for magnetic resonance imaging (DNP-MRI)

#81
20220050223
2022-02-17

NMR characterization and monitoring of drilling fluids

#82
20220043177
2022-02-10

Techniques for NMR logging with antenna arrays

#83
20220028495
2022-01-27

Rapid assessment of crude oil fouling propensity to prevent refinery fouling

#84
20220016674
2022-01-20

Systems and methods for sorting and collecting enhanced metal-bearing ores of a desired size from metal-bearing ores

#85
20220003696
2022-01-06

NMR method for determining permeability in geologic formation

#86
20220003695
2022-01-06

Method for downhole determination of permeability anisotropy using NMR

#87
20210404789
2021-12-30

Multiple scale analysis of core sample to estimate surface roughness

#88
20210381993
2021-12-09

Method to determine pore size distribution of rocks with rough surface from capillary pressure by nuclear magnetic resonance

#89
20210373106
2021-12-02

Pore contribution corrected quantifying of surface roughness

#90
20210372956
2021-12-02

Downhole method for determining geologic permeability

#91
20210372955
2021-12-02

Method for determining permeability in a hydrocarbon formation

#92
20210372954
2021-12-02

Measurement method for determining resistivity and permeability in a borehole

#93
20210356619
2021-11-18

Determining sub-surface formation wettability characteristics utilizing nuclear magnetic resonance and bulk fluid measurements

#94
20210349232
2021-11-11

Directional control of downhole component using NMR measurements

#95
20210325288
2021-10-21

Methods of NMR measurement of crushed porous media

#96
20210285902
2021-09-16

Method for evaluation of permeability anisotropy using NMR diffusion measurements for oil and gas wells

#97
20210262955
2021-08-26

Systems and methods for slice selective nuclear magnetic resonance testing of fractured core plugs to determine in-situ pore volume

#98
20210239632
2021-08-05

Measuring gas in shale reservoirs

#99
20210238998
2021-08-05

Method for acid fracturing and acid stimulation based on NMR diffusion measurements

#100
20210223192
2021-07-22

Method for assessment of pore-throat size distribution and permeability in porous media

#101
20210207470
2021-07-08

Managing wellbore cement compositions based on material characteristics

#102
20210199840
2021-07-01

Temperature correction of NMR relaxation time distributions

#103
20210199607
2021-07-01

Methods and systems for measuring pore volume compressibility with low field nuclear magnetic resonance techniques

#104
20210140902
2021-05-13

Kerogen maturity and porosity in shale

#105
20210132250
2021-05-06

Estimating pore and fluid characteristic properties in rock samples using nuclear magnetic resonance analyses

#106
20210131282
2021-05-06

Identifying fluid types and associated volumes in rock samples using nuclear magnetic resonance analyses

#107
20210123874
2021-04-29

Detection of solid organic material and fluids in a shale rock by means of low field NMR

#108
20210123344
2021-04-29

Core sampling and analysis using a sealed pressurized vessel

#109
20210123313
2021-04-29

Core sampling and analysis using a sealed pressure vessel

#110
20210108512
2021-04-15

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

#111
20210072171
2021-03-11

Method for determining effective porosity of high clay-bearing rock core, computer device and computer readable storage medium

#112
20210063600
2021-03-04

Accounting for tool based effects in nuclear magnetic resonance logging data

#113
20210063298
2021-03-04

Method and device for characterizing microbial carbonate pores, and server

#114
20210041593
2021-02-11

Nuclear magnetic resonance sequence for partially polarized echo trains

#115
20210041414
2021-02-11

Method for determining the true boiling points of complex hydrocarbon fluids using nuclear magnetic resonance

#116
20210023588
2021-01-28

Systems and methods for sorting and collecting enhanced grade metal-bearing ores from metal bearing ores

#117
20200378911
2020-12-03

High-temperature and high-pressure nuclear magnetic resonance core holder

#118
20200378910
2020-12-03

Methods and systems for low to ultra-low magnetic field nuclear magnetic resonance for detecting chemical nerve agents

#119
20200371052
2020-11-26

Methods and systems for measuring pore volume compressibility with low field nuclear magnetic resonance techniques

#120
20200371051
2020-11-26

Wettability determination of rock samples

#121
20200363357
2020-11-19

Advanced NMR analysis of pore type and pore connectivity in core samples including diffusional fluid exchange methods

#122
20200363356
2020-11-19

Methods using advanced NMR analysis for core samples

#123
20200363355
2020-11-19

Methods for measuring the porosity of core samples using NMR analysis

#124
20200363354
2020-11-19

Methods using advanced NMR analysis for core samples

#125
20200363353
2020-11-19

Advanced NMR analysis of pore type distribution in core samples using hydraulic fluid exchange

#126
20200363352
2020-11-19

Advanced NMR analysis of porosity and other properties in core samples using hydraulic fluid exchange

#127
20200363351
2020-11-19

Method for determining a calibration specification, method for determining an absolute humidity, and NMR measuring device

#128
20200355763
2020-11-12

Analyzing fluids in core samples contained in pressurized NMR core holders with 1H and 19F NMR

#129
20200355635
2020-11-12

Interspersing different wait times in trainlet and partial recovery sequences

#130
20200326445
2020-10-15

Assessment of inaccessible pore volume for polymer flooding

#131
20200326397
2020-10-15

Multi-nuclear absolute MR thermometry

#132
20200319369
2020-10-08

Temperature correction of NMR relaxation time distributions

#133
20200319367
2020-10-08

Circular polarization correction in nuclear magnetic resonance (NMR) logging

#134
20200301039
2020-09-24

SMALL FLOWLINES FOR NUCLEAR MAGNETIC RESONANCE MEASUREMENTS

#135
20200292477
2020-09-17

NANO-PARTICLE DETECTION OF CHEMICAL TRACE AMOUNTS IN DOWNHOLE NMR FLUID ANALYZER

#136
20200278470
2020-09-03

Saddle point nuclear magnetic resonance tool for measurements at multiple depths of investigation

#137
20200264116
2020-08-20

NMR sequential fluid characterization

#138
20200256813
2020-08-13

Measuring source rock potential using a quantum electronic scanner

#139
20200249182
2020-08-06

Method and apparatus for measuring capillary pressure and foam transport in porous media

#140
20200241095
2020-07-30

Generation of nuclear magnetic resonance multidimensional T1(spin-matrix)-T2(spin-spin) energy relaxation maps and uses thereof

#141
20200241092
2020-07-30

Magnetic Assemblies For Downhole Nuclear Magnetic Resonance (NMR) Tools

#142
20200225177
2020-07-16

Method and system to analyze geologic formation properties

#143
20200217192
2020-07-09

Unidirectional magnetization of nuclear magnetic resonance tools having soft magnetic core material

#144
20200174153
2020-06-04

Fast measurement and interpretation of downhole multi-dimensional measurement

#145
20200166449
2020-05-28

Methods of nuclear magnetic resonance measurement of crushed porous media

#146
20200164409
2020-05-28

Systems and methods for sorting and collecting enhanced grade metal-bearing ores from metal bearing ores

#147
20200158610
2020-05-21

Nuclear magnetic resonance gas isotherm technique to evaluate reservoir rock wettability

#148
20200124763
2020-04-23

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

#149
20200124762
2020-04-23

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

#150
20200124761
2020-04-23

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

#151
20200116616
2020-04-16

Method for measuring the diffusion coefficient of water within a porous medium by a nuclear magnetic resonance method

#152
20200064285
2020-02-27

Borehole signal reduction for a side-looking NMR logging tool using a magnet assembly

#153
20200064284
2020-02-27

Method and assembly for measuring diffusion in nanoporous media

#154
20200057172
2020-02-20

Assessment of inaccessible pore volume for polymer flooding

#155
20200032147
2020-01-30

Viscosity reduction of crude oil through structure determination of asphaltene molecule

#156
20200025967
2020-01-23

Formation clay typing from electromagnetic measurements

#157
20200018148
2020-01-16

Method and apparatus to detect free induction decay NMR signals

#158
20200011819
2020-01-09

Measuring the wettability of porous media based on the temperature sensitivity of nuclear magnetic resonance relaxation time

#159
20200011818
2020-01-09

Measuring the wettability of porous media based on the temperature sensitivity of nuclear magnetic resonance relaxation time

#160
20200003710
2020-01-02

Crystal structure analysis system and crystal structure analysis method

#161
20190391292
2019-12-26

Downhole NMR tool with receiver on sensor

#162
20190391060
2019-12-26

Nuclear magnetic resonance gas isotherm technique to evaluate reservoir rock wettability

#163
20190383757
2019-12-19

Estimating downhole fluid volumes using multi-dimensional nuclear magnetic resonance measurements

#164
20190369037
2019-12-05

Determining permeability of porous media based on nuclear magnetic resonance measurement

#165
20190369036
2019-12-05

Determining permeability of porous media based on nuclear magnetic resonance measurement

#166
20190353568
2019-11-21

Nuclear magnetic resonance gas isotherm technique to evaluate reservoir rock wettability

#167
20190346385
2019-11-14

Method and apparatus for nuclear magnetic resonance measurements on borehole materials

#168
20190331826
2019-10-31

Methods and systems for determining bulk density, porosity, and pore size distribution of subsurface formations

#169
20190331825
2019-10-31

Methods and systems for determining bulk density, porosity, and pore size distribution of subsurface formations

#170
20190324101
2019-10-24

Optimization of magnet arrangement for nuclear magnetic resonance well logging tools

#171
20190317034
2019-10-17

Determining permeability of porous media based on nuclear magnetic resonance measurement

#172
20190285767
2019-09-19

Dual zone nuclear magnetic resonance sensing device for subterranean characterization

#173
20190277928
2019-09-12

Determining frequency for achieving a high signal-to-noise ratio in low impedance receivers

#174
20190271213
2019-09-05

Total gas in place estimate

#175
20190234891
2019-08-01

DOWNHOLE DIFFUSION COEFFICIENT MEASUREMENT

#176
20190219728
2019-07-18

Microfluidic device and method for parallel pressure-volume-temperature analysis in reservoir simulations

#177
20190219727
2019-07-18

Systems and methods for determining liquid saturation from overlapping NMR distributions

#178
20190219726
2019-07-18

Active damping for multi-frequency NMR logging tools

#179
20190219649
2019-07-18

Array antenna driving method and device for three-dimensional scanning nuclear magnetic resonance imager

#180
20190212282
2019-07-11

AUTOMATED MEASUREMENTS ON DRILL CUTTINGS WHILE DRILLING

#181
20190204398
2019-07-04

Method and apparatus for providing content related to capture of medical image

#182
20190204248
2019-07-04

Method for nuclear magnetic resonance diffusion measurements

#183
20190195816
2019-06-27

Measuring source rock potential using a quantum electronic scanner

#184
20190187233
2019-06-20

Analysis for quantifying microscopic diffusion anisotropy

#185
20190178825
2019-06-13

Absolute porosity and pore size determination of pore types in media with varying pore sizes

#186
20190178824
2019-06-13

Measuring the wettability of porous media based on the temperature sensitivity of nuclear magnetic resonance relaxation time

#187
20190170893
2019-06-06

NMR logging interpretation of solid invasion

#188
20190170664
2019-06-06

Microwave moisture meter and sensor

#189
20190128980
2019-05-02

System for performing echo-planar spectroscopic imaging

#190
20190113649
2019-04-18

Method and apparatus for measuring oil content of tight reservoir based on nuclear magnetic resonance

#191
20190113647
2019-04-18

Sub-surface imaging of dielectric structures and voids via narrowband electromagnetic resonance scattering

#192
20190113429
2019-04-18

Nuclear magnetic resonance gas isotherm technique to evaluate reservoir rock wettability

#193
20190101609
2019-04-04

PREDICTING SOLIDS CONTENT, BOILING POINT INFORMATION, AND MICRO CARBON RESIDUE CONTENT OF EXTRA HEAVY OIL SAMPLES USING LOW-FIELD TIME-DOMAIN NMR

#194
20190086312
2019-03-21

Nuclear magnetic resonance gas isotherm technique to evaluate reservoir rock wettability

#195
20190086249
2019-03-21

Method and apparatus for determining flow rates of components of multiphase fluid

#196
20190056524
2019-02-21

Downhole nuclear magnetic resonance tool with active compensation for motional effects

#197
20190049617
2019-02-14

Apparatus and methods for determining properties of hydrogen-containing samples using nuclear magnetic resonance

#198
20190049616
2019-02-14

Methods and systems for determining bulk density, porosity, and pore size distribution of subsurface formations

#199
20190049615
2019-02-14

RF flip angle adjustment in a downhole NMR tool

#200
20190049397
2019-02-14

Apparatus and methods for determining properties of liquid-bearing solids using nuclear magnetic resonance

#201
20190033239
2019-01-31

Estimating formation properties using saturation profiles

#202
20190033238
2019-01-31

Estimating formation properties using saturation profiles

#203
20190025453
2019-01-24

Hydrocarbon determination in unconventional shale

#204
20190017374
2019-01-17

Generating spectral responses of materials

#205
20190011594
2019-01-10

Device and method for parallel pressure-volume-temperature analysis using gas chromatography and mass spectrometry

#206
20190011519
2019-01-10

Method of extracting information about a sample by nuclear magnetic resonance measurements

#207
20190011517
2019-01-10

Methods of investigating formation samples using NMR data

#208
20190011383
2019-01-10

APPARATUS AND METHOD FOR QUALITY DETECTION OF A PROCESSED PRODUCT

#209
20180372906
2018-12-27

Determining Downhole Wettability

#210
20180364184
2018-12-20

Apparatus and method for nuclear magnetic resonance measurements on borehole materials

#211
20180356552
2018-12-13

Nuclear magnetic resonance sensing and fluid sampling device for subterranean characterization

#212
20180335494
2018-11-22

Systems and methods for tri-axial NMR testing

#213
20180321169
2018-11-08

Selective saturation pulse for downhole measurements

#214
20180292562
2018-10-11

External housing for signal to noise improvement

#215
20180292477
2018-10-11

Analyzing fluids in core samples contained in pressurized NMR core holders with 1H and 19F NMR

#216
20180284313
2018-10-04

Downhole tool analysis using anomaly detection of measurement data

#217
20180284312
2018-10-04

T1 DISTRIBUTION-BASED LOGGING SYSTEMS AND METHODS USING BLIND SOURCE SEPARATION INDEPENDENT COMPONENT ANALYSIS

#218
20180267197
2018-09-20

Nuclear magnetic resonance sensing device for downhole measurements

#219
20180259468
2018-09-13

Absolute porosity and pore size determination of pore types in media with varying pore sizes

#220
20180259467
2018-09-13

Method and system for enhancing hydrocarbon operations

#221
20180259466
2018-09-13

Determining properties of porous material by NMR

#222
20180259465
2018-09-13

Pressurized NMR core analyzer

#223
20180258763
2018-09-13

Method and system for enhancing hydrocarbon operations

#224
20180246047
2018-08-30

Apparatus for on-line detection of magnetic resonance signals from a target material in a mineral slurry

#225
20180238976
2018-08-23

On-line magnetic resonance measurement of conveyed material

#226
20180231625
2018-08-16

Viscosity determination apparatus, systems, and methods

#227
20180217289
2018-08-02

Borehole Signal Reduction for a Side-Looking NMR Logging Tool Using a Refocusing Pulse Flipping Angle

#228
20180217073
2018-08-02

High spatial resolution nuclear magnetic resonance logging

#229
20180188405
2018-07-05

Surface nuclear magnetic resonance system excited by geoelectric field for groundwater detection and field detection method

#230
20180188194
2018-07-05

System and method for analysis of fluids flowing in a conduit

#231
20180163516
2018-06-14

Method of exploiting hydrocarbons from a sedimentary basin comprising carbonate rocks, by means of stratigraphic simulation

#232
20180155634
2018-06-07

Viscosity reduction of crude oil through structure determination of asphaltene molecule

#233
20180149765
2018-05-31

NMR well logging instrument and method with synthetic apertures

#234
20180120471
2018-05-03

Apparatus and method for obtaining T2 distribution

#235
20180088096
2018-03-29

Method for automatically generating a fluid property log derived from drilling fluid gas data

#236
20180088016
2018-03-29

Method and device for testing wettability of dense oil reservoir

#237
20180074221
2018-03-15

Combined NMR-resistivity measurement apparatus, systems, and methods

#238
20180038926
2018-02-08

Fiber optic nuclear magnetic resonance sensor

#239
20180038924
2018-02-08

MEANS AND METHOD OF MAGNETIC RESONANCE IMAGING OF SAMPLES AND PROCESSES AT HIGH TEMPERATURES AND HIGH PRESSURES

#240
20180017700
2018-01-18

Selective NMR pulse for downhole measurements

#241
20180017699
2018-01-18

Oil viscosity prediction

#242
20180011073
2018-01-11

NMR-based systems for crude oil enhancement and methods thereof

#243
20180011037
2018-01-11

Characterization of crude oil by NMR spectroscopy

#244
20180003852
2018-01-04

Nuclear magnetic resonance apparatus, systems, and methods

#245
20180003786
2018-01-04

Cuttings analysis for improved downhole NMR characterisation

#246
20180003654
2018-01-04

Determining the oleophilic to aqueous phase fluid ratio for drilling fluids

#247
20180003653
2018-01-04

Methods of determining shale pore connectivity

#248
20170357025
2017-12-14

Refocusing pulses and excitation pulses for NMR logging

#249
20170356896
2017-12-14

System and method for predicting viscosity of heavy oil formations based on nuclear magnetic resonance (NMR) measurements

#250
20170343697
2017-11-30

Arrays of receive antennas for magnetic resonance measurements

#251
20170343497
2017-11-30

Estimating downhole fluid volumes using multi-dimensional nuclear magnetic resonance measurements

#252
20170328847
2017-11-16

Nuclear magnetic resonance and saturation well logs for determining free water level and reservoir type

#253
20170322338
2017-11-09

Nuclear magnetic resonance system with feedback induction coils

#254
20170321539
2017-11-09

Method for wellbore ranging and proximity detection

#255
20170315199
2017-11-02

Use of echo shapes in nuclear magnetic resonance log data acquisition and quality control

#256
20170315189
2017-11-02

Composite noise shield for magnetic resonance tools

#257
20170307552
2017-10-26

Borehole signal reduction for a side-looking NMR logging tool using a magnet assembly

#258
20170292924
2017-10-12

Low-field time-domain NMR measurement of oil sands process streams

#259
20170292866
2017-10-12

System and method for measuring velocity profiles

#260
20170285216
2017-10-05

Nuclear magnetic resonance logging tool with quadrature coil configuration

#261
20170285214
2017-10-05

T2 inversions with reduced motion artifacts

#262
20170285120
2017-10-05

Optimization of magnet arrangement for nuclear magnetic resonance well logging tools

#263
20170276745
2017-09-28

Permanent magnet configuration for NMR logging tool

#264
20170269173
2017-09-21

Method and apparatus for providing content related to capture of a medical image

#265
20170261444
2017-09-14

Hand-held measuring apparatus and method for the operation thereof

#266
20170254920
2017-09-07

Chemically-selective imager for imaging fluid of a subsurface formation and method of using same

#267
20170254919
2017-09-07

Motion detection and correction of magnetic resonance data

#268
20170248732
2017-08-31

NMR ASIC

#269
20170242152
2017-08-24

Logging-while-drilling tool with interleaved instruments

#270
20170241922
2017-08-24

Modified pulse sequence to estimate properties

#271
20170241921
2017-08-24

Predicting total organic carbon (TOC) using a radial basis function (RBF) model and nuclear magnetic resonance (NMR) data

#272
20170241918
2017-08-24

Microwave moisture meter and sensor

#273
20170219675
2017-08-03

NMR spin-echo amplitude estimation

#274
20170212064
2017-07-27

Tool for cutoff value determination in net-pay computation workflow

#275
20170212063
2017-07-27

Composite FID-CPMG process for fast relaxing media determination

#276
20170205528
2017-07-20

Non-resonant logging tools

#277
20170198575
2017-07-13

Asphaltene Concentration Analysis Via NMR

#278
20170191917
2017-07-06

Nuclear magnetic resonance gas isotherm technique to evaluate reservoir rock wettability

#279
20170176361
2017-06-22

Apparatus and method for processing and interpreting NMR logging data

#280
20170176360
2017-06-22

Gradient multi-frequency nuclear magnetic resonance with inter-band interference

#281
20170153352
2017-06-01

Magnetic resonance systems and methods employing multi-shape pulse sequences for parallel measurements

#282
20170139027
2017-05-18

NMR method for determining non-oil volume of a rock sample

#283
20170138871
2017-05-18

Estimating Subterranean Fluid Viscosity Based on Nuclear Magnetic Resonance (NMR) Data

#284
20170123098
2017-05-04

Robust multi-dimensional inversion from wellbore NMR measurements

#285
20170122891
2017-05-04

Methods for determining oil and water compositions in drilling muds

#286
20170122858
2017-05-04

NMR analysis system and method for porous media

#287
20170115242
2017-04-27

Measuring connectivity between different pore types in porous media

#288
20170085008
2017-03-23

Multi-detecting depth nuclear magnetic resonance logging tool and probe, and antenna excitation method

#289
20170082775
2017-03-23

Multi-azimuth nuclear magnetic resonance logging instrument and antenna excitation method

#290
20170082773
2017-03-23

Nuclear magnetic resonance logging instrument probe with multi-layered magnet and antenna excitation method

#291
20170074952
2017-03-16

Systems and methods for sampling fluids using nuclear magnetic resonance (NMR)

#292
20170074852
2017-03-16

Estimating a reserve of a reservoir

#293
20170059497
2017-03-02

Mobile NMR sensor for analyzing subsurface samples

#294
20170031051
2017-02-02

NMR in kinetics of hydrocarbon generation

#295
20170030845
2017-02-02

NMR sensor for analyzing core or fluid samples from a subsurface formation

#296
20170023540
2017-01-26

METHOD FOR MEASURING THE TRAPPED GAS SATURATION IN A ROCK SAMPLE

#297
20170010380
2017-01-12

Ultra-slim nuclear magnetic resonance tool for oil well logging

#298
20170010379
2017-01-12

Ultra-slim nuclear magnetic resonance tool for oil well logging

#299
20170003413
2017-01-05

Nuclear magnetic resonance apparatus, systems, and methods

#300
20170003412
2017-01-05

Petrophysically-regularized nuclear magnetic resonance inversion