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Patents Grants
last 30 patents
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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
Additive composition suitable for viscosity reduction of oil-based...
Patent number
9,745,501
Issue date
Aug 29, 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 super high temperature supe...
Patent number
9,528,042
Issue date
Dec 27, 2016
China University of Petroleum (Beijing)
Guancheng Jiang
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
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...