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Patents Grants
last 30 patents
Information
Patent Grant
Synchronization method for an MWD mud pulse telemetry system
Patent number
12,241,368
Issue date
Mar 4, 2025
INSTITUTE OF GEOLOGY AND GEOPHYSICS, CHINESE ACADEMY OF SCIENCES
Jing Ou
E21 - EARTH DRILLING MINING
Information
Patent Grant
Alternating stress fatigue testing equipment
Patent number
11,768,139
Issue date
Sep 26, 2023
INSTITUTE OF GEOLOGY AND GEOPHYSICS, CHINESE ACADEMY OF SCIENCES
Renzhong Pei
E21 - EARTH DRILLING MINING
Information
Patent Grant
Self-adjusting damping vibration absorber for while-drilling instru...
Patent number
11,274,542
Issue date
Mar 15, 2022
INSTITUTE OF GEOLOGY AND GEOPHYSICS, CHINESE ACADEMY OF SCIENCES
Xinzhen He
E21 - EARTH DRILLING MINING
Information
Patent Grant
Fluid pressure measuring device for measurement-while-drilling tool
Patent number
11,047,226
Issue date
Jun 29, 2021
INSTITUTE OF GEOLOGY AND GEOPHYSICS, CHINESE ACADEMY OF SCIENCES
Jiansheng Du
E21 - EARTH DRILLING MINING
Information
Patent Grant
Rotary guiding device based on radial driving force
Patent number
11,021,911
Issue date
Jun 1, 2021
INSTITUTE OF GEOLOGY AND GEOPHYSICS, CHINESE ACADEMY OF SCIENCES
Qingbo Liu
E21 - EARTH DRILLING MINING
Information
Patent Grant
Hybrid rotary guiding device
Patent number
10,837,235
Issue date
Nov 17, 2020
INSTITUTE OF GEOLOGY AND GEOPHYSICS, CHINESE ACADEMY OF SCIENCES
Qingbo Liu
E21 - EARTH DRILLING MINING
Information
Patent Grant
Constant amplitude adjusting method and system for pressure pulse o...
Patent number
10,830,037
Issue date
Nov 10, 2020
INSTITUTE OF GEOLOGY AND GEOPHYSICS, CHINESE ACADEMY OF SCIENCES
Jiansheng Du
G01 - MEASURING TESTING
Information
Patent Grant
Anti-rotating device of non-rotating sleeve and a rotary guiding de...
Patent number
10,815,730
Issue date
Oct 27, 2020
INSTITUTE OF GEOLOGY AND GEOPHYSICS, CHINESE ACADEMY OF SCIENCES
Qingbo Liu
E21 - EARTH DRILLING MINING
Information
Patent Grant
Conductive slip ring for logging while drilling instrument
Patent number
10,693,268
Issue date
Jun 23, 2020
INSTITUTE OF GEOLOGY AND GEOPHYSICS CHINESE ACADEMY OF SCIENCES
Xinzhen He
E21 - EARTH DRILLING MINING
Information
Patent Grant
Device for power transmission and signal transfer between stator an...
Patent number
10,619,478
Issue date
Apr 14, 2020
INSTITUTE OF GEOLOGY AND GEOPHYSICS CHINESE ACADEMY OF SCIENCES
Xinzhen He
E21 - EARTH DRILLING MINING
Information
Patent Grant
Rotary steerable drilling tool and method of control thereof
Patent number
10,443,307
Issue date
Oct 15, 2019
INSTITUTE OF GEOLOGY AND GEOPHYSICS, CHINESE ACADEMY OF SCIENCES
Jiansheng Du
E21 - EARTH DRILLING MINING
Information
Patent Grant
Apparatus for testing the function and performance of a rotary stee...
Patent number
10,436,009
Issue date
Oct 8, 2019
INSTITUTE OF GEOLOGY AND GEOPHYSICS, CHINESE ACADEMY OF SCIENCES
Jiansheng Du
G01 - MEASURING TESTING
Patents Applications
last 30 patents
Information
Patent Application
SYNCHRONIZATION METHOD FOR AN MWD MUD PULSE TELEMETRY SYSTEM
Publication number
20230407742
Publication date
Dec 21, 2023
Institute of Geology and Geophysics, Chinese Academy of Sciences
Jing Ou
E21 - EARTH DRILLING MINING
Information
Patent Application
ALTERNATING STRESS FATIGUE TESTING EQUIPMENT
Publication number
20230020690
Publication date
Jan 19, 2023
Institute of Geology and Geophysics, Chinese Academy of Sciences
Renzhong PEI
E21 - EARTH DRILLING MINING
Information
Patent Application
SELF-ADJUSTING DAMPING VIBRATION ABSORBER FOR WHILE-DRILLING INSTRU...
Publication number
20210301646
Publication date
Sep 30, 2021
Institute of Geology and Geophysics, Chinese Academy of Sciences
Xinzhen HE
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
AN ANTI-ROTATING DEVICE OF NON-ROTATING SLEEVE AND A ROTARY GUIDING...
Publication number
20200263500
Publication date
Aug 20, 2020
Institute of Geology and Geophysics, Chinese Academy of Sciences
Qingbo LIU
E21 - EARTH DRILLING MINING
Information
Patent Application
A HYBRID ROTARY GUIDING DEVICE
Publication number
20200263503
Publication date
Aug 20, 2020
Institute of Geology and Geophysics, Chinese Academy of Sciences
Qingbo LIU
E21 - EARTH DRILLING MINING
Information
Patent Application
FLUID PRESSURE MEASURING DEVICE FOR MEASUREMENT-WHILE-DRILLING TOOL
Publication number
20200208507
Publication date
Jul 2, 2020
Institute of Geology and Geophysics, Chinese Academy of Sciences
Jiansheng DU
E21 - EARTH DRILLING MINING
Information
Patent Application
CONSTANT AMPLITUDE ADJUSTING METHOD AND SYSTEM FOR PRESSURE PULSE O...
Publication number
20200208511
Publication date
Jul 2, 2020
Institute of Geology and Geophysics, Chinese Academy of Sciences
Jiansheng DU
G01 - MEASURING TESTING
Information
Patent Application
A ROTARY GUIDING DEVICE
Publication number
20200190909
Publication date
Jun 18, 2020
Institute of Geology and Geophysics, Chinese Academy of Sciences
Qingbo LIU
E21 - EARTH DRILLING MINING
Information
Patent Application
A ROTARY GUIDING DEVICE BASED ON RADIAL DRIVING FORCE
Publication number
20200087986
Publication date
Mar 19, 2020
Institute of Geology and Geophysics, Chinese Academy of Sciences
Qingbo LIU
E21 - EARTH DRILLING MINING
Information
Patent Application
Conductive Slip Ring for Logging While Drilling Instrument
Publication number
20200067247
Publication date
Feb 27, 2020
Institute of Geology and Geophysics, Chinese Academy of Sciences
Xinzhen He
E21 - EARTH DRILLING MINING
Information
Patent Application
Device for Power Transmission and Signal Transfer Between Stator an...
Publication number
20200003049
Publication date
Jan 2, 2020
Institute of Geology and Geophysics, Chinese Academy of Sciences
Xinzhen He
E21 - EARTH DRILLING MINING
Information
Patent Application
Static Push-the-Bit Articulated High-Built-Rate Rotary Steerable To...
Publication number
20190128070
Publication date
May 2, 2019
Institute of Geology and Geophysics, Chinese Academy of Sciences
Jiansheng DU
E21 - EARTH DRILLING MINING
Information
Patent Application
Apparatus for Testing the Function and Performance of a Rotary Stee...
Publication number
20190106975
Publication date
Apr 11, 2019
Institute of Geology and Geophysics, Chinese Academy of Sciences
Jiansheng DU
E21 - EARTH DRILLING MINING