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PHYSICS
G01
Measuring instruments
G01V
GEOPHYSICS GRAVITATIONAL MEASUREMENTS DETECTING MASSES OR OBJECTS
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Prospecting or detecting by the use of nuclear radiation
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G01V5/102
the neutron source being of the pulsed type
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Patents Grants
last 30 patents
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Patent Grant
Methods and apparatus to decouple downhole tool speed from conveyan...
Patent number
12,331,603
Issue date
Jun 17, 2025
Halliburton Energy Services, Inc.
Sudhir Gupta
E21 - EARTH DRILLING MINING
Information
Patent Grant
Determination of neutron porosity and bulk density from a pulsed ne...
Patent number
12,326,535
Issue date
Jun 10, 2025
Weatherford Technology Holdings, LLC
Natasa Mekic
G01 - MEASURING TESTING
Information
Patent Grant
Determination of formation water salinity using time resolved chlor...
Patent number
12,326,536
Issue date
Jun 10, 2025
Weatherford Technology Holdings, LLC
Natasa Mekic
G01 - MEASURING TESTING
Information
Patent Grant
Downhole lithium detection systems and methods
Patent number
12,282,136
Issue date
Apr 22, 2025
Schlumberger Technology Corporation
Christian Stoller
G01 - MEASURING TESTING
Information
Patent Grant
Pulsed neutron informed machine learning techniques to determine po...
Patent number
12,276,769
Issue date
Apr 15, 2025
Halliburton Energy Services, Inc.
Mayir Mamtimin
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Deep learning holdup solution from neutron capture and inelastic sc...
Patent number
12,228,031
Issue date
Feb 18, 2025
Halliburton Energy Services, Inc.
Mayir Mamtimin
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method and apparatus for obtaining real-time formation gas saturation
Patent number
12,216,240
Issue date
Feb 4, 2025
China Petroleum and Chemical Corporation
Sheng Zhan
G01 - MEASURING TESTING
Information
Patent Grant
Determination of continuous oil density log for reservoir character...
Patent number
12,210,133
Issue date
Jan 28, 2025
Saudi Arabian Oil Company
Yahia Ahmed Eltaher
G01 - MEASURING TESTING
Information
Patent Grant
Pulsed neutron monitoring of carbon dioxide in reservoirs
Patent number
12,181,626
Issue date
Dec 31, 2024
Weatherford Technology Holdings, LLC
Gregory Schmid
G01 - MEASURING TESTING
Information
Patent Grant
Algorithm-free, data-centric multivariate inversion for pulsed neut...
Patent number
12,135,402
Issue date
Nov 5, 2024
Halliburton Energy Services, Inc.
Mayir Mamtimin
G01 - MEASURING TESTING
Information
Patent Grant
Intrinsic carbon oxygen for formation saturation and borehole holdup
Patent number
12,099,163
Issue date
Sep 24, 2024
Halliburton Energy Services, Inc.
Mayir Mamtimin
E21 - EARTH DRILLING MINING
Information
Patent Grant
Porosity measurements from nuclear spectroscopy
Patent number
12,061,308
Issue date
Aug 13, 2024
Schlumberger Technology Corporation
James Grau
G01 - MEASURING TESTING
Information
Patent Grant
Methods for differentiating and quantifying non-radioactive tracers...
Patent number
12,037,895
Issue date
Jul 16, 2024
CARBO Ceramics Inc.
Jeremy Zhang
E21 - EARTH DRILLING MINING
Information
Patent Grant
Nuclear logging tools and applications thereof
Patent number
11,906,692
Issue date
Feb 20, 2024
China Petroleum and Chemical Corporation
Jeremy Zhang
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method and apparatus for enhanced formation porosity measurement us...
Patent number
11,892,589
Issue date
Feb 6, 2024
China Petroleum and Chemical Corporation
Sheng Zhan
E21 - EARTH DRILLING MINING
Information
Patent Grant
Gas pressure measurement within cased wellbore systems and methods
Patent number
11,808,138
Issue date
Nov 7, 2023
Schlumberger Technology Corporation
Yevgeniy Karpekin
E21 - EARTH DRILLING MINING
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Patent Grant
Non-radioactive tracers to evaluate fracturing procedures
Patent number
11,781,412
Issue date
Oct 10, 2023
CARBO Ceramics Inc.
Jeremy Zhang
E21 - EARTH DRILLING MINING
Information
Patent Grant
Systems and methods for determining the presence of cement behind a...
Patent number
11,774,629
Issue date
Oct 3, 2023
Schlumberger Technology Corporation
Pascal Millot
G01 - MEASURING TESTING
Information
Patent Grant
Pulsed neutron tool for elemental decay logging
Patent number
11,681,069
Issue date
Jun 20, 2023
Halliburton Energy Services, Inc.
Mayir Mamtimin
G01 - MEASURING TESTING
Information
Patent Grant
Methods for differentiating and quantifying non-radioactive tracers...
Patent number
11,649,718
Issue date
May 16, 2023
CARBO Ceramics Inc.
Jeremy Zhang
E21 - EARTH DRILLING MINING
Information
Patent Grant
Borehole density measurement using pulsed neutron tool
Patent number
11,635,543
Issue date
Apr 25, 2023
Halliburton Energy Services, Inc.
Mayir Mamtimin
E21 - EARTH DRILLING MINING
Information
Patent Grant
Pulsed neutron logging tool with in-air automatic shutdown
Patent number
11,573,350
Issue date
Feb 7, 2023
Weatherford Technology Holdings, LLC
Gregory Schmid
G01 - MEASURING TESTING
Information
Patent Grant
Borehole compensation during pulsed-neutron porosity logging
Patent number
11,573,349
Issue date
Feb 7, 2023
Weatherford Technology Holdings, LLC
Gregory Schmid
G01 - MEASURING TESTING
Information
Patent Grant
Method and system of a neutron tube
Patent number
11,486,838
Issue date
Nov 1, 2022
Halliburton Energy Services, Inc.
Paul A. Cooper
E21 - EARTH DRILLING MINING
Information
Patent Grant
Acquiring formation porosity using multiple dual-function detectors...
Patent number
11,474,277
Issue date
Oct 18, 2022
China Petroleum and Chemical Corporation
Sheng Zhan
E21 - EARTH DRILLING MINING
Information
Patent Grant
Systems and methods for pulsed neutron logging in a subterranean we...
Patent number
11,402,537
Issue date
Aug 2, 2022
BP Corporation North America Inc.
Xiaogang Han
E21 - EARTH DRILLING MINING
Information
Patent Grant
Determination of elemental concentrations from the capture and inel...
Patent number
11,243,328
Issue date
Feb 8, 2022
Weatherford Technology Holdings, LLC
Richard R. Pemper
G01 - MEASURING TESTING
Information
Patent Grant
Neutron time of flight wellbore logging
Patent number
11,209,569
Issue date
Dec 28, 2021
Weatherford Technology Holdings, LLC
Matthew McCleskey
G01 - MEASURING TESTING
Information
Patent Grant
Intrinsic geological formation carbon to oxygen ratio measurements
Patent number
11,143,786
Issue date
Oct 12, 2021
Halliburton Energy Services, Inc.
Shouxiang Mark Ma
G01 - MEASURING TESTING
Information
Patent Grant
Systems and methods for determining the presence of cement behind a...
Patent number
11,105,952
Issue date
Aug 31, 2021
Schlumberger Technology Corporation
Pascal Millot
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
Neutron Absorbing Dopant For Reducing Borehole Fluid Background In...
Publication number
20250224536
Publication date
Jul 10, 2025
Halliburton Energy Services, Inc.
Gregory Joseph Schmid
G01 - MEASURING TESTING
Information
Patent Application
DOWNHOLE LITHIUM DETECTION SYSTEMS AND METHODS
Publication number
20250102699
Publication date
Mar 27, 2025
SCHLUMBERGER TECHNOLOGY CORPORATION
Christian Stoller
G01 - MEASURING TESTING
Information
Patent Application
Pulsed Neutron Logging Mineralogy Using Oxide Standards
Publication number
20240361486
Publication date
Oct 31, 2024
Halliburton Energy Services, Inc.
Mayir Mamtimin
G01 - MEASURING TESTING
Information
Patent Application
Pulsed Neutron Determination of Borehole Fluid Hold-Up
Publication number
20240352855
Publication date
Oct 24, 2024
Weatherford Technology Holdings, LLC.
Natasa Mekic
E21 - EARTH DRILLING MINING
Information
Patent Application
Determination of Neutron Porosity and Bulk Density from a Pulsed Ne...
Publication number
20240345281
Publication date
Oct 17, 2024
Weatherford Technology Holdings, LLC.
Natasa Mekic
G01 - MEASURING TESTING
Information
Patent Application
Determination of Formation Water Salinity Using Time Resolved Chlor...
Publication number
20240345282
Publication date
Oct 17, 2024
Weatherford Technology Holdings, LLC.
Natasa Mekic
G01 - MEASURING TESTING
Information
Patent Application
METHODS FOR DIFFERENTIATING AND QUANTIFYING NON-RADIOACTIVE TRACERS...
Publication number
20240344449
Publication date
Oct 17, 2024
CARBO CERAMICS INC.
Jeremy Zhang
E21 - EARTH DRILLING MINING
Information
Patent Application
Pulsed Neutron Monitoring of Carbon Dioxide in Reservoirs
Publication number
20240241284
Publication date
Jul 18, 2024
Weatherford Technology Holdings, LLC.
Gregory Schmid
G01 - MEASURING TESTING
Information
Patent Application
NON-RADIOACTIVE TRACERS TO EVALUATE FRACTURING PROCEDURES
Publication number
20240110471
Publication date
Apr 4, 2024
CARBO CERAMICS INC.
Jeremy Zhang
E21 - EARTH DRILLING MINING
Information
Patent Application
POROSITY MEASUREMENTS FROM NUCLEAR SPECTROSCOPY
Publication number
20240077637
Publication date
Mar 7, 2024
SCHLUMBERGER TECHNOLOGY CORPORATION
James Grau
G01 - MEASURING TESTING
Information
Patent Application
Determination of Continuous Oil Density Log for Reservoir Character...
Publication number
20240077636
Publication date
Mar 7, 2024
Saudi Arabian Oil Company
Yahia Ahmed Eltaher
G01 - MEASURING TESTING
Information
Patent Application
Near-Field Sensitivity of Formation and Cement Porosity Measurement...
Publication number
20230375742
Publication date
Nov 23, 2023
VISURAY INTECH LTD (BVI)
Philip Teague
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Pulsed Neutron Informed Machine Learning Techniques To Determine Po...
Publication number
20230314652
Publication date
Oct 5, 2023
Halliburton Energy Services, Inc.
Mayir Mamtimin
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Algorithm-Free, Data-Centric Multivariate Inversion For Pulsed Neut...
Publication number
20230288602
Publication date
Sep 14, 2023
Halliburton Energy Services, Inc.
Mayir Mamtimin
G01 - MEASURING TESTING
Information
Patent Application
METHODS FOR DIFFERENTIATING AND QUANTIFYING NON-RADIOACTIVE TRACERS...
Publication number
20230279772
Publication date
Sep 7, 2023
CARBO CERAMICS INC.
Jeremy Zhang
G01 - MEASURING TESTING
Information
Patent Application
PULSED NEUTRON TOOL FOR ELEMENTAL DECAY LOGGING
Publication number
20230213682
Publication date
Jul 6, 2023
Halliburton Energy Services, Inc.
Mayir Mamtimin
G01 - MEASURING TESTING
Information
Patent Application
METHOD AND APPARATUS FOR OBTAINING REAL-TIME FORMATION GAS SATURATION
Publication number
20230123713
Publication date
Apr 20, 2023
China Petroleum and Chemical Corporation
Sheng ZHAN
G01 - MEASURING TESTING
Information
Patent Application
Deep Learning Holdup Solution From Neutron Capture And Inelastic Sc...
Publication number
20230060188
Publication date
Mar 2, 2023
Halliburton Energy Services, Inc.
Mayir Mamtimin
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Nuclear Logging Tools and Applications Thereof
Publication number
20220252753
Publication date
Aug 11, 2022
China Petroleum and Chemical Corporation
Jeremy Zhang
E21 - EARTH DRILLING MINING
Information
Patent Application
Borehole Density Measurement Using Pulsed Neutron Tool
Publication number
20220171086
Publication date
Jun 2, 2022
Halliburton Energy Services, Inc.
Mayir Mamtimin
E21 - EARTH DRILLING MINING
Information
Patent Application
SYSTEMS AND METHODS FOR DETERMINING THE PRESENCE OF CEMENT BEHIND A...
Publication number
20210389495
Publication date
Dec 16, 2021
SCHLUMBERGER TECHNOLOGY CORPORATION
Pascal Millot
E21 - EARTH DRILLING MINING
Information
Patent Application
GAS PRESSURE MEASUREMENT WITHIN CASED WELLBORE SYSTEMS AND METHODS
Publication number
20210318461
Publication date
Oct 14, 2021
SCHLUMBERGER TECHNOLOGY CORPORATION
Yevgeniy Karpekin
E21 - EARTH DRILLING MINING
Information
Patent Application
Borehole Compensation During Pulsed-Neutron Porosity Logging
Publication number
20210293989
Publication date
Sep 23, 2021
Weatherford Technology Holdings, LLC.
Gregory Schmid
G01 - MEASURING TESTING
Information
Patent Application
METHODS FOR DIFFERENTIATING AND QUANTIFYING NON-RADIOACTIVE TRACERS...
Publication number
20210254452
Publication date
Aug 19, 2021
CARBO CERAMICS INC.
Jeremy Zhang
E21 - EARTH DRILLING MINING
Information
Patent Application
Techniques for Determining Formation Composition from Measured Nucl...
Publication number
20210231828
Publication date
Jul 29, 2021
Weatherford Technology Holdings, LLC.
Richard R. Pemper
G01 - MEASURING TESTING
Information
Patent Application
NEAR-FIELD SENSITIVITY OF FORMATION AND CEMENT POROSITY MEASUREMENT...
Publication number
20210132252
Publication date
May 6, 2021
Visuary Intech Ltd (BVI)
Philip Teague
G01 - MEASURING TESTING
Information
Patent Application
Neutron Time of Flight Wellbore Logging
Publication number
20210003738
Publication date
Jan 7, 2021
Weatherford Technology Holdings, LLC.
Matthew McCleskey
G01 - MEASURING TESTING
Information
Patent Application
APPARATUS AND METHODS FOR EVALUATING FORMATIONS
Publication number
20200379139
Publication date
Dec 3, 2020
Pietro Fiorentini (USA), Inc.
MOHAMMED HASHEM
E21 - EARTH DRILLING MINING
Information
Patent Application
EVALUATION OF FORMATION COMPOSITION USING NEUTRON INDUCED GAMMA SPE...
Publication number
20200326452
Publication date
Oct 15, 2020
BAKER HUGHES, A GE COMPANY, LLC
Bair Banzarov
G01 - MEASURING TESTING
Information
Patent Application
Borehole Compensation During Pulsed-Neutron Porosity Logging
Publication number
20200326451
Publication date
Oct 15, 2020
Weatherford Technology Holdings, LLC.
Gregory Schmid
G01 - MEASURING TESTING