ClassID:

173387

G01V8/02 - CPC Classification

Classification description:

Prospecting or detecting by optical means Prospecting

Recent Application in this class:
#1
20260094256
2026-04-02

REAL-TIME FORMATIONS CUTTINGS ANALYSIS SYSTEM USING COMPUTER VISION AND MACHINE LEARNING APPROACH DURING A DRILLING OPERATION

#2
20250349053
2025-11-13

Geological Mapping

#3
20250341653
2025-11-06

ROCK CHARACTERIZATION SYSTEM

#4
20250327656
2025-10-23

CHARACTERIZING ROCK PROPERTIES WITH OPTICAL ENERGY SOURCES IN A WELLBORE

#5
20250284026
2025-09-11

ADVANCED IN-SITU SUBSURFACING AND SPECTROSCOPIC SYSTEM

#6
20250259386
2025-08-14

SYSTEM AND METHOD FOR COLLECTING AND GEOREFERENCING 3D GEOMETRIC DATA ASSOCIATED WITH A GPS-DENIED ENVIRONMENT

#7
20250231367
2025-07-17

SYSTEMS, METHODS, AND APPARATUSES FOR EVENT DETECTION FOR A TRANSMISSION CABLE OR LINE-BASED SYSTEM

#8
20250199195
2025-06-19

AUTOMATIC DIP REFINEMENT

#9
20250147200
2025-05-08

OPTICAL PROBE AND METHOD FOR IN SITU SOIL ANALYSIS

#10
20250029213
2025-01-23

ENHANCED QUALITY BOREHOLE IMAGE GENERATION AND METHOD

#11
20240386700
2024-11-21

SYSTEMS AND METHODS FOR IDENTIFYING SUBSURFACE HYDROGEN ACCUMULATION

#12
20240144458
2024-05-02

REAL-TIME FORMATIONS CUTTINGS ANALYSIS SYSTEM USING COMPUTER VISION AND MACHINE LEARNING APPROACH DURING A DRILLING OPERATION

#13
20230384476
2023-11-30

Optical probe and method for in situ soil analysis

#14
20230213684
2023-07-06

METHOD AND SYSTEM FOR INVERTED DETECTION AND POSITIONING OF STRIP-LIKE SUBTERRANEAN TUNNEL IN MOUNTAIN MASS

#15
20230183488
2023-06-15

Fluorescent dye molecules having hydrophilicity and hydrophobicity for tracer applications

#16
20230114341
2023-04-13

METHOD FOR PERFORMING RAMAN SPECTROSCOPY WITHIN A LOGGING WHILE DRILLING INSTRUMENT

#17
20230100258
2023-03-30

In-situ monitoring of chemical fingerprints in oilfield applications

#18
20230097490
2023-03-30

Multi-phase fluid identification for subsurface sensor measurement

#19
20230003918
2023-01-05

Real Time Mine Monitoring System and Method

#20
20230003917
2023-01-05

Three-dimensional imaging method and system for surface comprehensive geophysical prospecting

#21
20220404331
2022-12-22

Cataluminescence for downhole fluid analysis

#22
20220284671
2022-09-08

System and method for collecting and georeferencing 3d geometric data associated with a GPS-denied environment

#23
20220206182
2022-06-30

Device for monitoring deep-sea sediment environment in mining polymetallic nodules

#24
20220178819
2022-06-09

THIN FILM MULTIVARIATE OPTICAL ELEMENT AND DETECTOR COMBINATIONS, THIN FILM OPTICAL DETECTORS, AND DOWNHOLE OPTICAL COMPUTING SYSTEMS

#25
20220128729
2022-04-28

METHOD AND DEVICE FOR ESTIMATING MECHANICAL PROPERTY OF ROCK JOINT

#26
20210405244
2021-12-30

Underground infrastructure sensing using unmanned aerial vehicle (UAV)

#27
20210356622
2021-11-18

Optical probe and method for in situ soil analysis

#28
20210312712
2021-10-07

Geo-augmented field excursion for geological sites

#29
20210304386
2021-09-30

Hybrid interpretation approach for borehole imaging

#30
20210222539
2021-07-22

Systems and methods to perform a downhole inspection in real-time

#31
20210217192
2021-07-15

Method for characterizing the geometry of subterranean formation fractures from borehole images

#32
20210063601
2021-03-04

Systems and methods for downhole imaging through a scattering medium

#33
20210062653
2021-03-04

Method and device for acquiring three-dimensional coordinates of ore based on mining process

#34
20200370425
2020-11-26

Digital 2D holographic spectrometer for material characterization

#35
20200311584
2020-10-01

Assisting prospect evaluation in oil and gas exploration

#36
20200309989
2020-10-01

WELLBORE AND RESERVOIR LOGGING-MAPPING-CHARACTERIZATION SYSTEM

#37
20200284941
2020-09-10

Nitrogen-vacancy-based downhole sensing

#38
20200256788
2020-08-13

Thin film multivariate optical element and detector combinations, thin film optical detectors, and downhole optical computing systems

#39
20200242748
2020-07-30

Slope stability visualisation

#40
20200217194
2020-07-09

EFFICIENT BLAST DESIGN FACILITATION SYSTEMS AND METHODS

#41
20200209211
2020-07-02

Cataluminescence for downhole fluid analysis

#42
20200200942
2020-06-25

Opto-Electronics Module for a Downhole Gas Detection Sensor

#43
20200200006
2020-06-25

Optical gas sensor assembly

#44
20200110193
2020-04-09

Methods of Acoustically and Optically Probing an Elongate Region and Hydrocarbon Conveyance Systems That Utilize the Methods

#45
20190234205
2019-08-01

Method to compute density of fractures from image logs

#46
20190196054
2019-06-27

Measuring source rock potential using terahertz analysis

#47
20190195061
2019-06-27

Image based rock property tensor visualization of a geocellular grid in a dynamic 3D environment

#48
20190137653
2019-05-09

Underground infrastructure sensing using unmanned aerial vehicle (UAV)

#49
20190086577
2019-03-21

Three-dimensional digital virtual imaging device and method for stratigraphic texture of borehole core

#50
20190086574
2019-03-21

Three-dimensional directional transient electromagnetic detection device and method for mining borehole

#51
20190032484
2019-01-31

Digital 2D holographic spectrometer for material characterization

#52
20190025122
2019-01-24

Fabry-Perot Based Optical Computing

#53
20180356557
2018-12-13

Dual integrated computational element device and method for fabricating the same

#54
20180342073
2018-11-29

Methods and systems for automatically analyzing an image representative of a formation

#55
20180334904
2018-11-22

Optical Interface with Surface Coating

#56
20180274364
2018-09-27

Method and device for determining karst development degree of reservoir, computer readable storage medium and device

#57
20180180524
2018-06-28

Method and system for analyzing cuttings coming from a wellbore

#58
20180173021
2018-06-21

System and methodology for controlling optical transmittance

#59
20180143344
2018-05-24

Reconstructing optical spectra using integrated computational element structures

#60
20180120432
2018-05-03

Apparatus for detecting sea mines

#61
20180080864
2018-03-22

Methods and systems for maintaining optical transparency during particle image acquisition

#62
20180058197
2018-03-01

Distributed optical sensing using compressive sampling

#63
20180011217
2018-01-11

Optical filter

#64
20180003850
2018-01-04

Downhole sensor deployment assembly

#65
20170363412
2017-12-21

Pressure insensitive interferometer

#66
20170356290
2017-12-14

Method for quantitative analysis of a distribution of solid particles of a suspension invaded in a porous medium during filtration

#67
20170328195
2017-11-16

Methods and systems employing fiber optic sensors for electromagnetic cross-well telemetry

#68
20170322333
2017-11-09

Onshore electromagnetic reservoir monitoring

#69
20170276828
2017-09-28

Quasi-optical waveguide

#70
20170269259
2017-09-21

Formation fluid analysis tool comprising an integrated computational element and an optical filter

#71
20170261640
2017-09-14

System and methods for cross-tool optical fluid model validation and real-time application

#72
20170146686
2017-05-25

Adaptive feedback for phase estimation and adjustment

#73
20170146685
2017-05-25

Multiplexed microvolt sensor systems

#74
20170115266
2017-04-27

Method and apparatus for measuring asphaltene onset conditions and yields of crude oils

#75
20170108428
2017-04-20

Methods and systems for maintaining optical transparency during particle image acquisition

#76
20170052267
2017-02-23

Fourier Domain LOCKIN Imaging for high accuracy and low signal Continuous Wave Sounding

#77
20170016320
2017-01-19

Method and apparatus for speciating hydrocarbons

#78
20170003416
2017-01-05

Method for infrared imaging detection and positioning of underground tubular facility in plane terrain

#79
20160370274
2016-12-22

Classifying particle size and shape distribution in drilling fluids

#80
20160363690
2016-12-15

Downhole sensing using parametric amplification with squeezed or entangled light for internal mode input

#81
20160356918
2016-12-08

Heat source-free fiber positioning and orienting system for seepage of submerged or partially-submerged structures and monitoring method thereof

#82
20160356917
2016-12-08

CHEMICAL SENSING USING QUANTUM ENTANGLEMENT BETWEEN PHOTONS

#83
20160349400
2016-12-01

Simulating optical sensor response data for fluids in a wellbore

#84
20160327684
2016-11-10

Optical computing device diagnostics and treatment

#85
20160327683
2016-11-10

Downhole fluid properties analysis device and tools comprising such a device

#86
20160319661
2016-11-03

Using downhole strain measurements to determine hydraulic fracture system geometry

#87
20160306071
2016-10-20

Positioning survey sensors using an airborne vehicle

#88
20160282508
2016-09-29

System and method for predicting well site production

#89
20160282507
2016-09-29

HYDRAULIC FRACTURE GEOMETRY MONITORING WITH DOWNHOLE DISTRIBUTED STRAIN MEASUREMENTS

#90
20160187515
2016-06-30

Sensor for detecting pressure waves in a liquid

#91
20160178793
2016-06-23

Laser spectroscopy for downhole sensing of gases and fluids

#92
20160178435
2016-06-23

Method for diagnosing optical spectrometers of downhole tools

#93
20160169856
2016-06-16

Physical reservoir rock interpretation in a 3D petrophysical modeling environment

#94
20160161631
2016-06-09

Distributed acoustic sensing system with variable spatial resolution

#95
20160084985
2016-03-24

Wellbore FTIR gas detection system

#96
20160047939
2016-02-18

A METHOD AND APPARATUS FOR DETECTION OF NATURAL RESOURCES

#97
20160018559
2016-01-21

Method and system for performing surveying and sampling in a body of water

#98
20160018558
2016-01-21

Method and system for identifying and sampling hydrocarbons

#99
20150369957
2015-12-24

Generating relative permeabilities and capillary pressures

#100
20150338547
2015-11-26

Optical and electrical sensing of a multiphase fluid

#101
20150338546
2015-11-26

Wellbore FTIR gas detection system

#102
20150301219
2015-10-22

Methods for estimating resource density by integrating seismic methods with fluid density and pressure in shale resource plays

#103
20150293256
2015-10-15

Method and system of determining characteristics of a formation

#104
20150279093
2015-10-01

360-degree core photo image integration and interpretation in a 3D petrophysical modeling environment

#105
20150160127
2015-06-11

Method and apparatus for speciating hydrocarbons

#106
20150083904
2015-03-26

Optical cable, downhole system having optical cable, and method thereof

#107
20150066465
2015-03-05

Method for exploiting a subsurface deposit comprising at least one geological outcrop by means of photogrammetry

#108
20150001385
2015-01-01

MEMORY EFFECT TRACER FLUIDS FOR THE STUDY OF AN OIL RESERVOIR

#109
20140339412
2014-11-20

Solid state lasers

#110
20140303895
2014-10-09

Method for determining the location, size, and fluid composition of a subsurface hydrocarbon accumulation

#111
20140300895
2014-10-09

In situ evaluation of unconventional natural gas reservoirs

#112
20140288853
2014-09-25

Method for determining the location, size, and fluid composition of a subsurface hydrocarbon accumulation

#113
20140284465
2014-09-25

Exploration method and system for detection of hydrocarbons with an underwater vehicle

#114
20140256055
2014-09-11

Exploration method and system for detection of hydrocarbons

#115
20140245826
2014-09-04

In-situ detection and analysis of methane in coal bed methane formations with spectrometers

#116
20140176946
2014-06-26

Methods and apparatus for downhole fluid analysis

#117
20140175271
2014-06-26

Remote sensing methods and systems using nonlinear light conversion and sense signal transformation

#118
20140172177
2014-06-19

Systems and methods for real time monitoring of gas hydrate formation

#119
20140158877
2014-06-12

HYDROGEN RESISTANT DOWNHOLE OPTICAL FIBER SENSING

#120
20140130671
2014-05-15

Method and apparatus for liberating gases from drilling fluid

#121
20130342210
2013-12-26

Downhole all-optical magnetometer sensor

#122
20130311095
2013-11-21

MULTI-GAP INTERFEROMETRIC SENSORS

#123
20130271752
2013-10-17

System and method for interrogation of target material in situ

#124
20130240755
2013-09-19

Portable ultraviolet device for exploring mineral resource

#125
20130188944
2013-07-25

Photographing apparatus

#126
20130188168
2013-07-25

FIBER OPTIC FORMATION DIMENSIONAL CHANGE MONITORING

#127
20130168543
2013-07-04

Analyzing the transport of plasmonic particles through mineral formations

#128
20120312530
2012-12-13

In-situ detection and analysis of methane in coal bed methane formations with spectrometers

#129
20120300200
2012-11-29

Optical measurement device including a multi-component sealing assembly

#130
20120277995
2012-11-01

Systems and methods for distributed interferometric acoustic monitoring

#131
20120212745
2012-08-23

Wide dynamic range interferometric transducer with divergent beam

#132
20120200422
2012-08-09

Use of Digital Transport Delay to Improve Measurement Fidelity in Swept-Wavelength Systems

#133
20120095683
2012-04-19

Method and apparatus for oil spill detection

#134
20110313670
2011-12-22

METHOD AND APPARATUS FOR SPECIATING HYDROCARBONS

#135
20110308391
2011-12-22

Method and apparatus for liberating gases from drilling fluid

#136
20110290992
2011-12-01

SYSTEM AND METHOD OF OPTICAL MEASUREMENTS FOR WELLBORE SURVEY

#137
20110188344
2011-08-04

Systems and methods for distributed interferometric acoustic monitoring

#138
20110172959
2011-07-14

Multi-gap interferometric sensors

#139
20110036146
2011-02-17

In-Situ Detection and Analysis of Methane in Coal Bed Methane Formations with Spectrometers

#140
20100282959
2010-11-11

Downhole fluid spectroscopy

#141
20100243241
2010-09-30

Detecting fluids in a wellbore

#142
20100187413
2010-07-29

High Temperature Photodetectors Utilizing Photon Enhanced Emission

#143
20100153014
2010-06-17

Apparatus and methods for estimating a downhole property

#144
20100148785
2010-06-17

Apparatus and method for evaluating downhole fluids

#145
20100148049
2010-06-17

Method of identification of petroleum compounds using frequency mixing on surfaces

#146
20090283748
2009-11-19

Semiconductor for use in harsh environments

#147
20090248310
2009-10-01

Methods and apparatus for analysis of downhole asphaltene gradients and applications thereof

#148
20090188668
2009-07-30

Apparatus and method for determining fluid properties

#149
20090188665
2009-07-30

Monitoring of downhole parameters and tools utilizing fiber optics

#150
20090114805
2009-05-07

METHOD OF IDENTIFICATION OF PETROLEUM COMPOUNDS USING FREQUENCY MIXING ON SURFACES

#151
20090114386
2009-05-07

Systems and methods for distributed interferometric acoustic monitoring

#152
20090114014
2009-05-07

Force and acceleration sensor using four wave mixing technique

#153
20090114007
2009-05-07

Chemical sensor using four wave mixing technique

#154
20090112475
2009-04-30

Mobile soil mapping system for collecting soil reflectance measurements

#155
20090097093
2009-04-16

Downhole uses of pressure-tuned semiconductor light sources

#156
20090056434
2009-03-05

Method and apparatus for determining fluid content downhole

#157
20090045814
2009-02-19

High temperature downhole tool

#158
20090039255
2009-02-12

Method and apparatus for oil spill detection

#159
20080165356
2008-07-10

Laser diode array downhole spectrometer

#160
20080111551
2008-05-15

Magneto-optical method and apparatus for determining properties of reservoir fluids

#161
20080111064
2008-05-15

DOWNHOLE MEASUREMENT OF SUBSTANCES IN EARTH FORMATIONS

#162
20080110253
2008-05-15

DOWNHOLE MEASUREMENT OF SUBSTANCES IN FORMATIONS WHILE DRILLING

#163
20070242265
2007-10-18

Borehole imaging

#164
20070090989
2007-04-26

System of subterranean anomaly detection and repair using infrared thermography and ground penetrating radar

#165
20070081157
2007-04-12

Apparatus and method for estimating filtrate contamination in a formation fluid

#166
20070073491
2007-03-29

Method for soil content prediction based on a limited number of mid-infrared absorbances

#167
20070038378
2007-02-15

Structural-geodynamic method of forecasting of localizing highly permeable porous-fractured collecting basins development zones and hydrocarbons deposits

#168
20060288769
2006-12-28

High temperature near infrared for measurements and telemetry in well boreholes

#169
20050262936
2005-12-01

System and method for determining formation fluid parameters using refractive index

#170
20050067562
2005-03-31

Determining phase transition pressure of downhole retrograde condensate

#171
20050012036
2005-01-20

Providing a light cell in a wellbore

#172
20050007583
2005-01-13

Method and apparatus for a tunable diode laser spectrometer for analysis of hydrocarbon samples

#173
16555551
2020-09-15

Apparatus and method of detecting a mineral in the ground

#174
13911852
2017-04-18

System for creating a near real time surface log