ClassID:

135727

E21B49/02 - 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 mechanically taking samples of the soil

Sub-classes:
Recent Application in this class:
#1
20260139579
2026-05-21

CLASSIFICATION OF PORE OR GRAIN TYPES IN FORMATION SAMPLES FROM A SUBTERRANEAN FORMATION

#2
20260098449
2026-04-09

SAMPLING PIPE OF A SAMPLING ARRANGEMENT

#3
20260043314
2026-02-12

VOLUMETRIC GEOMETRY QUANTIFICATION OF NEAR-SURFACE CARBON CONTAINERS

#4
20260036023
2026-02-05

SYSTEM AND PROCESS FOR GEOLOGICAL SEQUESTRATION OF CARBON-CONTAINING MATERIALS

#5
20260030870
2026-01-29

SYSTEMS AND METHODS FOR GEOLOGICAL ROCK CORE IMAGE ANALYSIS

#6
20250327788
2025-10-23

METHOD AND SYSTEM FOR DETERMINING IN-SITU STRESSES IN ANISOTROPIC ROCKS

#7
20250306235
2025-10-02

METHODS AND SYSTEMS FOR SOURCE ROCK CHEMOSTRATIGRAPHY AND ORGANOFACIES CHARACTERIZATION

#8
20250297548
2025-09-25

DETERMINING HYDRAULIC FRACTURING TREATMENT METHODS FOR WELLS IN CARBONATE RESERVOIRS

#9
20250270920
2025-08-28

Determining Core-Log Depth Corrections for Hydrocarbon Exploration

#10
20250270914
2025-08-28

METHODS AND SYSTEMS FOR STORING HYDROGEN IN A SALT CAVERN

#11
20250258117
2025-08-14

SYSTEM AND METHOD FOR QUANTIFYING THERMAL CONDUCTIVITY OF SUBSURFACE FORMATIONS FOR GEOTHERMAL ENERGY SYSTEMS

#12
20250257654
2025-08-14

DESIGN OF BOREHOLE COMPLETION PLAN BASED ON A FAILURE MODE OF ROCK

#13
20250257624
2025-08-14

RAPID ASSEMBLY AND AUTOMATIC SAMPLING DRILLING TOOL FOR FROZEN SOIL LAYER EXPLORATION

#14
20250244499
2025-07-31

METHOD OF ASSESSING PYRITE OXIDATION IN PETROLEUM SOURCE ROCK

#15
20250244263
2025-07-31

METHOD OF QUANTIFYING STATIC AND DYNAMIC ROCK MECHANICAL PROPERTIES

#16
20250243732
2025-07-31

SYSTEM AND PROCESS FOR GEOLOGICAL SEQUESTRATION OF CARBON-CONTAINING MATERIALS

#17
20250230732
2025-07-17

SYSTEM AND PROCESS FOR GEOLOGICAL SEQUESTRATION OF CARBON-CONTAINING MATERIALS

#18
20250216575
2025-07-03

METHOD TO IDENTIFY A WATER ENCROACHMENT ZONE OR PAY ZONE TO INFORM COMPLETION AND RECOVERY OPERATIONS

#19
20250155397
2025-05-15

IDENTIFICATION OF CLAYS IN POROUS MEDIA BY INTEGRATING ELECTROMAGNETIC MEASUREMENTS AND TEMPERATURE GRADIENT ANALYSIS

#20
20250146410
2025-05-08

HYBRID BAILER

#21
20250116624
2025-04-10

PROCESSES FOR DETERMINING FORMATION SALINITY AND IDENTIFYING OIL BEARING ZONES IN FRESHWATER PAY ZONES

#22
20250110031
2025-04-03

METHOD FOR MANAGING SANDING VOLUME EXPECTATION IN WEAK SANDSTONE BASED ON PLASTIC ZONE VOLUME

#23
20250092773
2025-03-20

Methods and systems for storing hydrogen in a salt cavern

#24
20250075576
2025-03-06

GREASELESS CORE BARREL HEAD ASSEMBLY

#25
20250067718
2025-02-27

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

#26
20250060351
2025-02-20

ANALYSIS OF GEOLOGICAL DISCONTINUITIES AND RELATED METHODS

#27
20250012186
2025-01-09

DETERMINING THRESHOLD HYDRAULIC GRADIENT FOR CAPROCKS ASSOCIATED WITH GEOLOGICAL CO2 AND H2 STORAGE

#28
20240411046
2024-12-12

GENERATING A VIRTUAL MODEL OF A SUBTERRANEAN REGION

#29
20240328284
2024-10-03

System and process for geological sequestration of carbon-containing materials

#30
20240319065
2024-09-26

SYSTEMS AND METHODS FOR ANALYZING NATURAL GAS FLOW IN SUBTERRANEAN RESERVOIRS

#31
20240288349
2024-08-29

METHOD FOR ESTIMATING ELASTIC CONSTANTS OF ANISOTROPIC MATERIAL

#32
20240247570
2024-07-25

SYSTEM AND PROCESS FOR GEOLOGICAL SEQUESTRATION OF CARBON-CONTAINING MATERIALS

#33
20240232459
2024-07-11

ENSEMBLE KALMAN FILTER (EnKF)-BASED METHOD AND SYSTEM FOR REALTIME INVERSION OF HYDRAULIC FRACTURE

#34
20240219601
2024-07-04

Parameterization of nuclear magnetic resonance transverse relaxation time distribution

#35
20240219361
2024-07-04

A METHOD AND SYSTEM FOR ANALYZING FLUID INCLUSIONS

#36
20240191621
2024-06-13

METHOD AND SYSTEM FOR DETERMINING HIGH PERMEABILITY ZONES WITHIN A RESERVOIR USING WEATHERING INDEX DATA

#37
20240135054
2024-04-25

ENSEMBLE KALMAN FILTER (EnKF)-BASED METHOD AND SYSTEM FOR REALTIME INVERSION OF HYDRAULIC FRACTURE

#38
20240133281
2024-04-25

CALCULATION SYSTEMS FOR PREDICTING PROPPANT EMBEDDING DEPTH BASED ON SHALE SOFTENING EFFECT

#39
20240125970
2024-04-18

METHOD AND MACHINE-READABLE MEDIUM FOR BUILDING 2D DEPOSITIONAL MODELS

#40
20240125181
2024-04-18

HYDROGEOLOGICAL DRILLING-TYPE DETECTION EQUIPMENT

#41
20240093592
2024-03-21

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

#42
20240068329
2024-02-29

ARTIFICIAL INTELLIGENCE ASSISTED PRODUCTION ADVISORY SYSTEM AND METHOD

#43
20240060915
2024-02-22

Method to determine relative thermal maturity from porosities measured by quantitative imaging on uncleaned samples and GRI porosity measured on crushed cleaned samples

#44
20240060418
2024-02-22

Systems and method for constraining 3D fracture model properties using X-ray micro-computed tomography of core plugs for naturally fractured reservoirs

#45
20240053506
2024-02-15

Reconstructing carbonate sediment transport and pathways in the geological record

#46
20240053319
2024-02-15

AUTOMATED SOURCE ROCK NET THICKNESS PREDICTION SYSTEM AND METHOD

#47
20240036022
2024-02-01

Workflow to predict source rock richness and net thickness using integrated inorganic, pyrolysis, and wireline data

#48
20240027378
2024-01-25

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

#49
20240003192
2024-01-04

Continuous Sampling Drill Bit

#50
20230384479
2023-11-30

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

#51
20230383629
2023-11-30

High-temperature and high-pressure simulator for deep in-situ environment

#52
20230366297
2023-11-16

SYSTEM AND PROCESS FOR ENHANCED OIL RECOVERY AND WELL ABANDONMENT

#53
20230349288
2023-11-02

IN-SITU STRESS MEASUREMENT METHOD

#54
20230304397
2023-09-28

METHODS FOR PREDICTING FORMATION PROPERTIES

#55
20230243728
2023-08-03

Method for determining the pore size distribution in a reservoir

#56
20230235662
2023-07-27

METHOD FOR ESTIMATING DEPTH OF HYDROCARBON RESERVOIR

#57
20230235649
2023-07-27

System and method to calibrate digital rock wettability

#58
20230235646
2023-07-27

Optimizing scale management at the subsurface for improved well performance

#59
20230228189
2023-07-20

Method for evaluating rock drillability by nano-indentation test on rock cutting

#60
20230228187
2023-07-20

Upscaling of formation petrophysical characteristics to a whole core scale

#61
20230212945
2023-07-06

Characterize productive zones in hydrocarbon wellbores

#62
20230175384
2023-06-08

CLASSIFICATION OF PORE OR GRAIN TYPES IN FORMATION SAMPLES FROM A SUBTERRANEAN FORMATION

#63
20230175335
2023-06-08

Gauge cutter and sampler apparatus

#64
20230160283
2023-05-25

SYSTEM AND PROCESS FOR GEOLOGICAL SEQUESTRATION OF CARBON-CONTAINING MATERIALS

#65
20230141596
2023-05-11

Multifunctional fluorescent tags for subterranean applications

#66
20230130034
2023-04-27

SYSTEM AND METHOD FOR PROBABILITY-BASED DETERMINATION OF STRATIGRAPHIC ANOMALIES IN A SUBSURFACE

#67
20230129986
2023-04-27

QUANTIFYING UNCERTAINTY IN POROSITY COMPACTION MODELS OF SEDIMENTARY ROCK

#68
20230121872
2023-04-20

SAMPLE COLLECTING METHOD AND SAMPLE COLLECTING SYSTEM

#69
20230118696
2023-04-20

Methods and systems for estimating properties of organic matter in geological rock formations

#70
20230110594
2023-04-13

Extendable downhole tool and related systems, apparatus, and methods

#71
20230091934
2023-03-23

Method of cement for well cementing in penetrated hydrate layer

#72
20230081834
2023-03-16

SUBSURFACE CARBON DIOXIDE ANALYSIS METHODS

#73
20230078728
2023-03-16

Methods and systems for characterizing properties of reservoir rock

#74
20230012861
2023-01-19

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

#75
20220412854
2022-12-29

Method for determination of properties of cuttings from rock drilling

#76
20220397035
2022-12-15

Methodology for down selection of surfactant formulations

#77
20220390638
2022-12-08

Estimation of mechanical properties of transversely isotropic media

#78
20220381675
2022-12-01

DOWNHOLE ROCK MECHANICS CHARACTERISATION TOOL, ASSEMBLY AND METHOD

#79
20220372847
2022-11-24

System and process for geological sequestration of carbon-containing materials

#80
20220341835
2022-10-27

Methods and Systems for Determining Reservoir and Fracture Properties

#81
20220325613
2022-10-13

SYSTEM AND METHOD FOR PETROPHYSICAL MODELING AUTOMATION BASED ON MACHINE LEARNING

#82
20220290501
2022-09-15

Continuous sampling drill bit

#83
20220264786
2022-08-25

METHOD FOR ASCERTAINING PLANT PROPERTIES OF A USEFUL PLANT

#84
20220252756
2022-08-11

Tight reservoir fluid characterization by using sonic slowness well logs

#85
20220236203
2022-07-28

Cement performance evaluation device and cement design method for cementing in penetrated hydrate deposit

#86
20220214310
2022-07-07

Determination of reservoir heterogeneity

#87
20220179121
2022-06-09

Estimating mineralogy and reconstructing elements of reservoir rock from spectroscopy data

#88
20220178903
2022-06-09

System and method for environmental sampling and analysis

#89
20220170825
2022-06-02

In-situ square sample acquisition device and method for bond contact test of surrounding rock and a shotcrete layer

#90
20220170365
2022-06-02

Determining effect of oxidative hydraulic fracturing

#91
20220156595
2022-05-19

SYSTEM AND METHOD FOR SUPERVISED LEARNING OF PERMEABILITY OF EARTH FORMATIONS

#92
20220137247
2022-05-05

Stimulated rock volume analysis

#93
20220127959
2022-04-28

Reservoir characterization using rock geochemistry for lithostratigraphic interpretation of a subterranean formation

#94
20220120933
2022-04-21

METHOD OF DETECTION OF HYDROCARBON HORIZONTAL SLIPPAGE PASSAGES

#95
20220106869
2022-04-07

BREAKDOWN PRESSURE REDUCTION BASED ON INJECTION OF COOLING AGENTS

#96
20220082729
2022-03-17

Systems and methods for developing horizontal hydrocarbon wells

#97
20220082727
2022-03-17

Method and system for determining energy-based brittleness

#98
20220067420
2022-03-03

System and method for detection of carbonate core features from core images

#99
20220065102
2022-03-03

Plasma chemistry based analysis and operations for pulse power drilling

#100
20220057199
2022-02-24

Method and system for quantitatively evaluating surface roughness of organic pore of kerogen in shale

#101
20220042386
2022-02-10

Moon-based in-situ condition-preserved coring multi-stage large-depth drilling system and method therefor

#102
20220026337
2022-01-27

Systems and methods for analyzing natural gas flow in subterranean reservoirs

#103
20220011465
2022-01-13

Systems and Methods for Hydrocarbon Reservoir Divided Model Generation and Development

#104
20220003651
2022-01-06

Estimating relative permeability and capillary pressures of a geological formation based on multiphase upscaling

#105
20210389499
2021-12-16

Method and system of fracability measurement based on core fracture density

#106
20210363882
2021-11-25

Methods and systems for determining optimum pressure drawdown in a production well for a shale gas reservoir

#107
20210355791
2021-11-18

System and process for geological sequestration of carbon-containing materials

#108
20210333191
2021-10-28

Methods of determining cation exchange sites in rock core samples

#109
20210318259
2021-10-14

Determining a cation exchange capacity of a rock sample

#110
20210302280
2021-09-30

Core holder for real-time measurement and visualization

#111
20210301658
2021-09-30

System and method of typing heterogeneous reservoir rocks

#112
20210270130
2021-09-02

Method and system for diagenesis-based rock classification

#113
20210263006
2021-08-26

CONTROLLED MANUFACTURE AND NANO-LEVEL EVALUATION OF KEROGEN-RICH RESERVOIR ROCK

#114
20210254457
2021-08-19

Systems and methods for generating continuous grain size logs from petrographic thin section images

#115
20210254449
2021-08-19

Downhole rock debris extraction system and control method for downhole rock debris extraction system

#116
20210246783
2021-08-12

Determination of perforation crush zone permeability

#117
20210239872
2021-08-05

Methods for performing formation evaluation and related systems

#118
20210222552
2021-07-22

Artificial intelligence assisted production advisory system and method

#119
20210215652
2021-07-15

Carbonate grain coarseness analysis and related methods

#120
20210207477
2021-07-08

Methods and devices for evaluating the contents of materials

#121
20210202042
2021-07-01

INFORMATION CLASSIFICATION PROCESSING METHOD OF CARBONATE RESERVOIR AND INFORMATION DATA PROCESSING TERMINAL

#122
20210150933
2021-05-20

Simulation device and simulation method for gas reservoir exploitation

#123
20210132250
2021-05-06

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

#124
20210131931
2021-05-06

Determining when applied stress to a core rock sample has equilibrated in the core rock sample

#125
20210131282
2021-05-06

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

#126
20210116341
2021-04-22

Experimental test method for subcritical propagation rate of rock fractures based on triaxial stress—strain curve

#127
20210116335
2021-04-22

Methods and systems for preparing drill cuttings for measuring petrophysical properties of subsurface formations

#128
20210102460
2021-04-08

Wellbore pressure surge simulation systems, methods to perform surge simulations, and methods to configure pressure surge simulation systems

#129
20210088498
2021-03-25

Methods to determine pressure distribution along a downhole formation and to determine a recipe for materials used in a wellbore

#130
20210088434
2021-03-25

Method and apparatus for measuring permeability in the direction of pressure gradient

#131
20210079789
2021-03-18

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

#132
20210072217
2021-03-11

Method and apparatus for in situ cement curing

#133
20210072008
2021-03-11

Shaped charge effect measurement

#134
20210054695
2021-02-25

Continuous sampling drill bit

#135
20210048382
2021-02-18

Apparatus and method for testing rock heterogeneity

#136
20210047925
2021-02-18

Digital imaging technology-based method for calculating relative permeability of tight core

#137
20210003005
2021-01-07

Method for identifying a medium structure coupling and a fracture network morphology of a shale gas reservoir

#138
20200408732
2020-12-31

Methods for evaluating rock properties

#139
20200408090
2020-12-31

Methods and systems for characterizing properties of reservoir rock

#140
20200386664
2020-12-10

Methods and systems for determining fracture and matrix permeability of a subsurface formation

#141
20200386659
2020-12-10

Multifunctional true triaxial rock drilling test system and method

#142
20200386098
2020-12-10

SOIL EXTRACTOR

#143
20200378872
2020-12-03

Tool for extracting soil plugs for analytical testing

#144
20200356929
2020-11-12

Mining System

#145
20200355763
2020-11-12

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

#146
20200355598
2020-11-12

Method for dynamic imbibition capacity of shale

#147
20200333314
2020-10-22

Testing device and method for simulating the flowback in the shut-in period of fractured wells

#148
20200325758
2020-10-15

System and method to evaluate kerogen-rich shale

#149
20200300746
2020-09-24

Physical simulation and calibration device and method for formation pressure testing

#150
20200291735
2020-09-17

Horizontal-to-vertical drilling module for deep well

#151
20200284712
2020-09-10

Plate holder for simulating flowing of multiphase fluids in fractures and an operating method thereof

#152
20200256145
2020-08-13

Wellbore radial positioning apparatus

#153
20200249216
2020-08-06

Method for determining gas saturation of tight reservoir

#154
20200240973
2020-07-30

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

#155
20200225137
2020-07-16

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

#156
20200201658
2020-06-25

Modeling of fluid introduction and/or fluid extraction elements in simulation of coreflood experiment

#157
20200150307
2020-05-14

Gross mineralogy and petrology using Raman spectroscopy

#158
20200124763
2020-04-23

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

#159
20200124762
2020-04-23

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

#160
20200124761
2020-04-23

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

#161
20200116695
2020-04-16

Method for quantitatively assessing stability additive performance at field dosages

#162
20200080419
2020-03-12

Methods and devices for evaluating the contents of materials

#163
20200040681
2020-02-06

Undisturbed sampler for granular soil

#164
20200018161
2020-01-16

APPARATUS FOR COLLECTING SAMPLES OF DRILL CUTTINGS AND METHOD OF USE

#165
20200003750
2020-01-02

Process for quantifying the pyritic sulfur and the organic sulfur of a rock sample

#166
20200003749
2020-01-02

Multiple function dual core flooding apparatus and methods

#167
20200003052
2020-01-02

Workflow for predictive model to select formation damage treatment

#168
20190390523
2019-12-26

Methods Of Reconstituting Cores, Formation Cores With Actual Formation Materials For Lab Testing

#169
20190368997
2019-12-05

Systems and methods for analyzing natural gas flow in subterranean reservoirs

#170
20190368350
2019-12-05

Systems and methods for detection of induced micro fractures

#171
20190368349
2019-12-05

Method for determining gelation time in a core plug

#172
20190339175
2019-11-07

Method and Apparatus for Washing Rock Samples

#173
20190331654
2019-10-31

Nano-indentation test to determine mechanical properties of reservoir rock

#174
20190331579
2019-10-31

Method and system for determining contact angle of porous media

#175
20190323344
2019-10-24

Method for monitoring salinity within an underground formation

#176
20190316466
2019-10-17

Determination of pore size distribution of reservoir rock

#177
20190310237
2019-10-10

Using resistivity measurements to monitor the reaction kinetics between acids and carbonate rocks

#178
20190297771
2019-10-03

Method for ascertaining plant properties of a useful plant

#179
20190277121
2019-09-12

Method for increasing recovery of oil from carbonate oil reservoirs utilizing and “in situ” organic approach

#180
20190277114
2019-09-12

METHOD FOR EXPLOITING A HYDROCARBON DEPOSIT BY HISTORY MATCHING OF PRODUCTION AS A FUNCTION OF DIAGENESIS

#181
20190271213
2019-09-05

Total gas in place estimate

#182
20190271211
2019-09-05

Probabilistic area of interest identification for well placement planning under uncertainty

#183
20190265173
2019-08-29

Detecting saturation levels of a sample core using electromagnetic waves

#184
20190257196
2019-08-22

Permeability prediction using a connected reservoir regions map

#185
20190250072
2019-08-15

Encased soil auger apparatus for archeological assessments and method of operating the same

#186
20190234859
2019-08-01

Methods and systems for determining gas permeability of a subsurface formation

#187
20190234856
2019-08-01

Multi-functional multi-field coupling seepage experiment device and testing method thereof

#188
20190226970
2019-07-25

Evaluating stress-dependent permeability in unsteady-state conditions and/or quality of microproppant placement in subterranean formations

#189
20190211637
2019-07-11

Measuring formation porosity and permeability

#190
20190196054
2019-06-27

Measuring source rock potential using terahertz analysis

#191
20190179049
2019-06-13

Mapping chemostratigraphic signatures of a reservoir with rock physics and seismic inversion

#192
20190162053
2019-05-30

Method for exploiting a hydrocarbon deposit by history matching of production as a function of diagenesis

#193
20190162047
2019-05-30

Subterranean coring assemblies

#194
20190154633
2019-05-23

TEST BENCH AND METHOD FOR ESTIMATING REMANENT MAGNETISATIONS ON SEDIMENT CORES

#195
20190107467
2019-04-11

Automated soil sample collection machine with scraper for removing surface debris

#196
20190080224
2019-03-14

Optimizing production using design of experiment and reservoir modeling

#197
20190071967
2019-03-07

DESIGN METHOD FOR MINING UPPER PROTECTIVE SEAM CLOSE TO TOTAL ROCK FOR USE IN COAL-BED MINING

#198
20190055842
2019-02-21

Identifying oil and gas reservoirs with oxygen isotopes

#199
20190011422
2019-01-10

Target composite core apparatus for radial flow geometry

#200
20180372611
2018-12-27

Apparatus and method for measuring apparent permeability of tight rock core

#201
20180364381
2018-12-20

Stimulated rock volume analysis

#202
20180355717
2018-12-13

Methods and devices for evaluating the contents of materials

#203
20180347321
2018-12-06

Method of exploiting a sedimentary basin comprising hydrocarbons, using stratigraphic modelling

#204
20180340417
2018-11-29

System and method for triaxial testing of core samples at high temperatures

#205
20180335545
2018-11-22

METHODS OF DIAGNOSING DEFECTS IN A PROCESSING UNIT OR HYDRUALIC FRACTURING PROCESS BY ANALYZING SOLID PARTICLES FROM THE PROCESSING UNIT OR HYDRUALIC FRACTURING PROCESS

#206
20180335374
2018-11-22

Radial core flooding apparatus and method for analysis of static and/or dynamic properties of reservoir rock

#207
20180320512
2018-11-08

Multi-layer reservoir well drainage region

#208
20180313807
2018-11-01

Time-series geochemistry in unconventional plays

#209
20180313198
2018-11-01

Methods for hydraulic fracturing

#210
20180306031
2018-10-25

Methods and devices for evaluating the contents of materials

#211
20180299571
2018-10-18

Predicting hydraulic fracture treatment effectiveness and productivity in oil and gas reservoirs

#212
20180292477
2018-10-11

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

#213
20180259467
2018-09-13

Method and system for enhancing hydrocarbon operations

#214
20180258763
2018-09-13

Method and system for enhancing hydrocarbon operations

#215
20180252076
2018-09-06

Cognitive enhanced oil recovery advisor system based on digital rock simulator

#216
20180246999
2018-08-30

Stratum component optimization determination method and device

#217
20180246254
2018-08-30

Method of acquiring rock component content of stratum

#218
20180230784
2018-08-16

Method integrating fracture and reservoir operations into geomechanical operations of a wellsite

#219
20180202957
2018-07-19

Advanced workflow for evaluating formation damage and stabilization treatments

#220
20180202289
2018-07-19

Workflow for evaluating stabilization products for use in subterranean formations

#221
20180195383
2018-07-12

Methods and devices for evaluating the contents of materials

#222
20180181692
2018-06-28

Method of waste distribution and formation pressure profile determination

#223
20180143104
2018-05-24

Sample collection apparatus

#224
20180113086
2018-04-26

Identification, quantification and prediction of free silicon in geological formation and its contribution to rock properties

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2018-04-26

Downhole surveying and core sample orientation systems, devices and methods

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2018-04-19

Apparatus and method using measurements taken while drilling cement to obtain absolute values of mechanical rock properties along a borehole

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20180100390
2018-04-12

GEOLOGICAL ASSET UNCERTAINTY REDUCTION

#228
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2018-03-29

Core holding system

#229
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2018-03-22

Method for measurement of hydrocarbon content of tight gas reservoirs

#230
20180066516
2018-03-08

System, method, and computer program product to determine placement of fracture stimulation points using minerology

#231
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2018-03-01

Determining the imminent rock failure state for improving multi-stage triaxial compression tests

#232
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2018-02-15

Multiple function dual core flooding apparatus and methods

#233
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2018-02-15

Determining oil content of solids recovered from a wellbore

#234
20180030815
2018-02-01

Simplified geomechanical model of stresses on an orthorhombic media

#235
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2018-01-25

Computer supported exploration and production of heterogeneous distributed hydrocarbon sources in subsurface formations based on microbial prospecting

#236
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2018-01-18

Method of performing wellsite fracture operations with statistical uncertainties

#237
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Nano-indentation test to determine mechanical properties of reservoir rock

#238
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2017-12-21

Workflows to address localized stress regime heterogeneity to enable hydraulic fracturing

#239
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2017-12-07

Hydraulic fracturing in highly heterogeneous formations by resisting formation and/or sealing micro-fractures

#240
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2017-12-07

Hydraulic fracturing in highly heterogeneous formations by fluid selection based on fracture surface roughness

#241
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Systems and methods for acoustic testing of laminated rock to determine total organic carbon content

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Activation modules for obstructing entrances to inner barrels of coring tools and related coring tools and methods

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Systems and methods for increasing recovery efficiency of petroleum reservoirs

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Downhole component communication and power management

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Gross mineralogy and petrology using Raman spectroscopy

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Methods and systems for optimizing a drilling operation based on multiple formation measurements

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Device and system for use in monitoring coring operations

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SELF PROPELLING SUBTERRANEAN VEHICLE

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AUTOMATED CORE DESCRIPTION

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Method and system for modeling and simulating a fractured reservoir

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2017-09-21

Determining the robustness of discrete fracture network permeability estimates

#252
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2017-09-21

Estimating wellbore cement properties

#253
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2017-08-31

Coreflood testing system and methods for simultaneous measurement of key core properties

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2017-08-24

Travel-time objective function for full waveform inversion

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

#256
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Assessment and production of minerals by directed horizontal drilling

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Formation stabilization workflow

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In situ stress properties

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Methods and systems for monitoring well integrity and increasing the lifetime of a well in a subterranean formation

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Thermal maturity determination of rock formations using mud gas isotope logging

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20170191919
2017-07-06

Real-time optical flow imaging to determine particle size distribution

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20170191908
2017-07-06

Apparatus for Washing Rock Samples

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Apparatus and method for processing and interpreting NMR logging data

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2017-05-18

Integrated analysis of pore fluids for characterization of reservoir potential

#265
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2017-05-04

KINETIC PENETRATOR WITH A RETRIEVAL TETHER

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2017-03-30

Method for increasing recovery of oil from carbonate oil reservoirs utilizing an “in situ” organic approach

#267
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2017-03-16

Method for determining porosity associated with organic matter in a well or formation

#268
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2017-03-02

Method for estimating stress magnitude

#269
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2017-02-02

Digital core model construction

#270
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2017-02-02

NMR in kinetics of hydrocarbon generation

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2017-01-19

Methods for analyzing natural gas flow in subterranean reservoirs

#272
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2017-01-12

Performance testing device for acid fracturing fluid and application thereof

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2016-12-22

Methods and systems employing NMR-based prediction of pore throat size distributions

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2016-11-24

Guard filtering system for focused sampling probe

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2016-11-24

Coring tools and related methods

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2016-11-10

SYSTEM FOR DETERMINATION OF A FIELD ROCK TYPE

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Construction of digital representation of complex compositional fluids

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Tuning digital core analysis to laboratory results

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2016-10-20

METHOD AND SYSTEM OF SHOWING HETEROGENEITY OF A POROUS SAMPLE

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Method for permeability prediction of shale gas

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2016-10-13

Measuring formation porosity and permeability

#282
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Methods for determining a saturation-height function in oil and gas reservoirs

#283
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2016-06-16

Soft soil sampling device and system

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2016-05-26

Characterizing a wellbore depth interval from rock fragments

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2016-05-19

Simulating downhole flow through a perforation

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2016-03-03

Total gas in place estimate

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2016-03-03

Activation modules for obstructing entrances to inner barrels of coring tools and related coring tools and methods

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2016-01-28

Well treatment with digital core analysis

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20160003039
2016-01-07

Systems and methods for computing surface of fracture per volume of rock

#290
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2015-12-31

Vertical-screw-auger conveyer feeder

#291
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2015-12-10

Methods and systems for evaluation of rock permeability, porosity, and fluid composition

#292
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2015-10-22

Core barrel head assembly with an integrated sample orientation tool and system for using same

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20150300116
2015-10-22

Drill sample particle distributor

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2015-09-24

Core sample holder

#295
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2015-07-02

Sampling apparatus

#296
20150184507
2015-07-02

System, method, and computer program product to determine placement of fracture stimulation points using minerology

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20150168358
2015-06-18

Method of sampling oil-bearing inclusion

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2015-05-21

Assessing reservoir connectivity in hydrocarbon reservoirs

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2015-04-02

Methods for estimating resource density using raman spectroscopy of inclusions in shale resource plays

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2015-03-12

Coring tools including core sample flap catcher and related methods