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PHYSICS
G01
Measuring instruments
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GEOPHYSICS GRAVITATIONAL MEASUREMENTS DETECTING MASSES OR OBJECTS
G01V5/00
Prospecting or detecting by the use of nuclear radiation
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G01V5/108
the neutron source being of the pulsed type
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Patents Grants
last 30 patents
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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 tubing deviations
Patent number
11,668,851
Issue date
Jun 6, 2023
Baker Hughes Oilfield Operations LLC
Baoyan Li
G01 - MEASURING TESTING
Information
Patent Grant
Pulsed neutron logging for petrolithium
Patent number
11,555,941
Issue date
Jan 17, 2023
Weatherford Technology Holdings, LLC
Gregory Schmid
G01 - MEASURING TESTING
Information
Patent Grant
Methods and means for azimuthal neutron porosity imaging of formati...
Patent number
11,275,195
Issue date
Mar 15, 2022
Visuray Intech Ltd (BVI)
Philip Teague
G01 - MEASURING TESTING
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
Systems and methods for monitoring changes in a formation while dyn...
Patent number
11,125,082
Issue date
Sep 21, 2021
Margaret Waid
E21 - EARTH DRILLING MINING
Information
Patent Grant
Systems and methods for detecting a neutron generator operating in air
Patent number
10,852,283
Issue date
Dec 1, 2020
Schlumberger Technology Corporation
Marie-Laure Mauborgne
G01 - MEASURING TESTING
Information
Patent Grant
Method for using neutron interaction cross section to interpret neu...
Patent number
10,746,895
Issue date
Aug 18, 2020
Schlumberger Technology Corporation
Tong Zhou
G01 - MEASURING TESTING
Information
Patent Grant
Non-radioactive tracers to evaluate fracturing procedures
Patent number
10,655,445
Issue date
May 19, 2020
CARBO Ceramics Inc.
Jeremy Zhang
G01 - MEASURING TESTING
Information
Patent Grant
Method for using neutron interaction cross section to interpret neu...
Patent number
10,466,383
Issue date
Nov 5, 2019
Schlumberger Technology Corporation
Tong Zhou
G01 - MEASURING TESTING
Information
Patent Grant
Determining a characteristic of a material surrounding a wellbore b...
Patent number
10,459,112
Issue date
Oct 29, 2019
Halliburton Energy Services, Inc.
Yike Hu
E21 - EARTH DRILLING MINING
Information
Patent Grant
Borehole fluid effect correction for pulsed neutron porosity measur...
Patent number
10,379,253
Issue date
Aug 13, 2019
Schlumberger Technology Corporation
Tong Zhou
E21 - EARTH DRILLING MINING
Information
Patent Grant
Neutron-gamma density through normalized inelastic ratio
Patent number
10,162,079
Issue date
Dec 25, 2018
Schlumberger Technology Corporation
Avtandil Tkabladze
G01 - MEASURING TESTING
Information
Patent Grant
Compensated sigma from measurements made by a pulsed neutron instru...
Patent number
9,952,348
Issue date
Apr 24, 2018
Schlumberger Technology Corporation
Tong Zhou
G01 - MEASURING TESTING
Information
Patent Grant
Systems and methods for monitoring casing cement integrity
Patent number
9,863,895
Issue date
Jan 9, 2018
Saudi Arabian Oil Company
Shouxiang Mark Ma
E21 - EARTH DRILLING MINING
Information
Patent Grant
Compensated sigma from measurements made by a pulsed neutron instru...
Patent number
9,798,037
Issue date
Oct 24, 2017
Schlumberger Technology Corporation
Tong Zhou
G01 - MEASURING TESTING
Information
Patent Grant
System and method for matching lithology responses of downhole tool...
Patent number
9,447,680
Issue date
Sep 20, 2016
Schlumberger Technology Corporation
James L. Thornton
G01 - MEASURING TESTING
Information
Patent Grant
Borehole fluid effect correction for pulsed neutron porosity measur...
Patent number
9,052,405
Issue date
Jun 9, 2015
Schlumberger Technology Corporation
Tong Zhou
G01 - MEASURING TESTING
Information
Patent Grant
Method to detect low salinity injection water encroachment into oil...
Patent number
7,303,009
Issue date
Dec 4, 2007
Saudi Arabian Oil Company
Ahmed J. Al-Muraikhi
G01 - MEASURING TESTING
Information
Patent Grant
Neutron measurement method for determining porosity of a formation...
Patent number
7,112,783
Issue date
Sep 26, 2006
Schlumberger Technology Corporation
Darwin Ellis
G01 - MEASURING TESTING
Information
Patent Grant
Method and apparatus for epithermal neutron porosity well logging
Patent number
5,051,581
Issue date
Sep 24, 1991
Schlumberger Technology Corporation
Russell C. Hertzog
G01 - MEASURING TESTING
Information
Patent Grant
Thermal decay time logging method and apparatus
Patent number
4,926,044
Issue date
May 15, 1990
Schlumberger Technology Corporation
Peter D. Wraight
G01 - MEASURING TESTING
Information
Patent Grant
Gain stabilization circuit for photomultiplier tubes
Patent number
4,918,314
Issue date
Apr 17, 1990
Halliburton Logging Services, Inc.
Darrell S. Sonne
G01 - MEASURING TESTING
Information
Patent Grant
Method and apparatus for differentiating low porosity limestones fr...
Patent number
4,746,801
Issue date
May 24, 1988
Halliburton Company
Harry D. Smith
G01 - MEASURING TESTING
Information
Patent Grant
Thermal decay time logging method and apparatus
Patent number
4,721,853
Issue date
Jan 26, 1988
Schlumberger Technology Corporation
Peter D. Wraight
G01 - MEASURING TESTING
Information
Patent Grant
Epithermal neutron porosity measurement
Patent number
4,638,161
Issue date
Jan 20, 1987
Halliburton Company
Harry D. Smith
G01 - MEASURING TESTING
Information
Patent Grant
Epithermal neutron porosity measurement
Patent number
4,625,110
Issue date
Nov 25, 1986
Halliburton Company
Harry D. Smith
G01 - MEASURING TESTING
Information
Patent Grant
Epithermal neutron die-away logging
Patent number
4,590,370
Issue date
May 20, 1986
Mobil Oil Corporation
William R. Mills
G01 - MEASURING TESTING
Information
Patent Grant
Method and apparatus for formation logging using position sensitive...
Patent number
4,570,067
Issue date
Feb 11, 1986
Halliburton Company
Larry L. Gadeken
G01 - MEASURING TESTING
Patents Applications
last 30 patents
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
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
SYSTEMS AND METHODS FOR DETERMINING TUBING DEVIATIONS
Publication number
20220291413
Publication date
Sep 15, 2022
Baker Hughes Oilfield Operations LLC
Baoyan Li
G01 - MEASURING TESTING
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
Methods and means for azimuthal neutron porosity imaging of formati...
Publication number
20210109247
Publication date
Apr 15, 2021
VISURAY 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
NON-RADIOACTIVE TRACERS TO EVALUATE FRACTURING PROCEDURES
Publication number
20200277846
Publication date
Sep 3, 2020
CARBO CERAMICS INC.
Jeremy Zhang
E21 - EARTH DRILLING MINING
Information
Patent Application
Methods and means for azimuthal neutron porosity imaging of formati...
Publication number
20200096668
Publication date
Mar 26, 2020
VISURAY INTECH LTD (BVI)
Philip Teague
G01 - MEASURING TESTING
Information
Patent Application
PULSED NEUTRON AZIMUTHAL MEASUREMENT SYSTEM AND METHOD
Publication number
20200081150
Publication date
Mar 12, 2020
BAKER HUGHES, A GE COMPANY, LLC
Feyzi Inanc
G01 - MEASURING TESTING
Information
Patent Application
METHOD FOR USING NEUTRON INTERACTION CROSS SECTION TO INTERPRET NEU...
Publication number
20200081149
Publication date
Mar 12, 2020
SCHLUMBERGER TECHNOLOGY CORPORATION
Tong Zhou
G01 - MEASURING TESTING
Information
Patent Application
Methods and means for azimuthal neutron porosity imaging of formati...
Publication number
20190250303
Publication date
Aug 15, 2019
VISURAY INTECH LTD (BVI)
Philip Teague
G01 - MEASURING TESTING
Information
Patent Application
SYSTEMS AND METHODS FOR DETECTING A NEUTRON GENERATOR OPERATING IN AIR
Publication number
20190187116
Publication date
Jun 20, 2019
SCHLUMBERGER TECHNOLOGY CORPORATION
Marie-Laure Mauborgne
G01 - MEASURING TESTING
Information
Patent Application
Non-Radioactive Tracers to Evaluate Fracturing Procedures
Publication number
20190170897
Publication date
Jun 6, 2019
CARBO CERAMICS INC.
Qianmei Zhang
E21 - EARTH DRILLING MINING
Information
Patent Application
Determining A Characteristic Of A Material Surrounding A Wellbore B...
Publication number
20190056525
Publication date
Feb 21, 2019
Yike Hu
G01 - MEASURING TESTING
Information
Patent Application
SYSTEMS AND METHODS FOR MONITORING CHANGES IN A FORMATION WHILE DYN...
Publication number
20180171788
Publication date
Jun 21, 2018
Pietro Fiorentini (USA), Inc.
Margaret Waid
E21 - EARTH DRILLING MINING
Information
Patent Application
Methods and means for azimuthal neutron porosity imaging of formati...
Publication number
20180120474
Publication date
May 3, 2018
Philip Teague
G01 - MEASURING TESTING
Information
Patent Application
COMPENSATED SIGMA FROM MEASUREMENTS MADE BY A PULSED NEUTRON INSTRU...
Publication number
20180031725
Publication date
Feb 1, 2018
SCHLUMBERGER TECHNOLOGY CORPORATION
Tong Zhou
G01 - MEASURING TESTING
Information
Patent Application
NEUTRON-GAMMA DENSITY THROUGH NORMALIZED INELASTIC RATIO
Publication number
20170146684
Publication date
May 25, 2017
SCHLUMBERGER TECHNOLOGY CORPORATION
Avtandil Tkabladze
G01 - MEASURING TESTING
Information
Patent Application
Compensated Sigma From Measurements Made By A Pulsed Neutron Instru...
Publication number
20150247948
Publication date
Sep 3, 2015
SCHLUMBERGER TECHNOLOGY CORPORATION
Tong Zhou
G01 - MEASURING TESTING
Information
Patent Application
MEASURING TOTAL, EPITHERMAL AND THERMAL NEUTRON FORMATION POROSITIE...
Publication number
20150226874
Publication date
Aug 13, 2015
BAKER HUGHES INCORPORATED
Feyzi Inanc
G01 - MEASURING TESTING
Information
Patent Application
Borehole Fluid Effect Correction For Pulsed Neutron Porosity Measur...
Publication number
20140339410
Publication date
Nov 20, 2014
SCHLUMBERGER TECHNOLOGY CORPORATION
Tong Zhou
G01 - MEASURING TESTING
Information
Patent Application
SYSTEM AND METHOD FOR MATCHING LITHOLOGY RESPONSES OF DOWNHOLE TOOL...
Publication number
20110313669
Publication date
Dec 22, 2011
James L. Thornton
E21 - EARTH DRILLING MINING
Information
Patent Application
Method to detect low salinity injection water encroachment into oil...
Publication number
20070151728
Publication date
Jul 5, 2007
Saudi Arabian Oil Company
Ahmed J. Al-Muraikhi
E21 - EARTH DRILLING MINING
Information
Patent Application
Neutron measurement method for determining porosity of a formation...
Publication number
20050051718
Publication date
Mar 10, 2005
Darwin Ellis
G01 - MEASURING TESTING