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Patents Grants
last 30 patents
Information
Patent Grant
Nano-hybrid lubricant and method thereof, and oil-based drilling fluid
Patent number
10,030,188
Issue date
Jul 24, 2018
China University of Petroleum (Beijing)
Guancheng Jiang
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Drilling fluid additive composition, and oil-based drilling fluid a...
Patent number
10,000,684
Issue date
Jun 19, 2018
China University of Petroleum (Beijing)
Guancheng Jiang
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Drilling fluid additive composition suitable for coal-bed gas wells...
Patent number
9,902,890
Issue date
Feb 27, 2018
China University of Petroleum (Beijing)
Guancheng Jiang
E21 - EARTH DRILLING MINING
Information
Patent Grant
Drilling fluid additive composition and water-based drilling fluid...
Patent number
9,890,318
Issue date
Feb 13, 2018
China University of Petroleum (Beijing)
Guancheng Jiang
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Drilling fluid additive composition and pseudo oil-based drilling f...
Patent number
9,834,717
Issue date
Dec 5, 2017
China University of Petroleum (Beijing)
Guancheng Jiang
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
High-density water-based drilling fluid suitable for horizontal sha...
Patent number
9,790,417
Issue date
Oct 17, 2017
China University of Petroleum (Beijing)
Guancheng Jiang
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Modified silicon dioxide nano-particles and preparation method ther...
Patent number
9,790,415
Issue date
Oct 17, 2017
China University of Petroleum (Beijing)
Guancheng Jiang
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Drilling fluid additive composition and water-based drilling fluid...
Patent number
9,783,725
Issue date
Oct 10, 2017
China University of Petroleum (Beijing)
Guancheng Jiang
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Environment-friendly water-based drilling fluid applicable to horiz...
Patent number
9,783,726
Issue date
Oct 10, 2017
China University of Petroleum (Beijing)
Guancheng Jiang
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Method of controlling well bore pressure based on model prediction...
Patent number
9,638,031
Issue date
May 2, 2017
CHINA NATIONAL PETROLEUM CORPORATION CHUANQING DRILLING ENGINEERING CO., LTD.
Zhilin Li
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
Drilling Fluid Additive Composition Suitable for Coal-Bed Gas Wells...
Publication number
20180057728
Publication date
Mar 1, 2018
CHINA UNIVERSITY OF PETROLEUM (BEIJING)
Guancheng JIANG
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
DRILLING FLUID ADDITIVE COMPOSITION, AND OIL-BASED DRILLING FLUID A...
Publication number
20170349803
Publication date
Dec 7, 2017
CHINA UNIVERSITY OF PETROLEUM (BEIJING)
Guancheng JIANG
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
NANO-HYBRID LUBRICANT AND METHOD THEREOF, AND OIL-BASED DRILLING FLUID
Publication number
20170349802
Publication date
Dec 7, 2017
CHINA UNIVERSITY OF PETROLEUM (BEIJING)
Guancheng JIANG
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
DRILLING FLUID ADDITIVE COMPOSITION AND PSEUDO OIL-BASED DRILLING F...
Publication number
20170335163
Publication date
Nov 23, 2017
CHINA UNIVERSITY OF PETROLEUM (BEIJING)
Guancheng JIANG
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
Method for controlling well bore pressure based on model prediction...
Publication number
20140262246
Publication date
Sep 18, 2014
Zhilin Li
E21 - EARTH DRILLING MINING