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Dezhi Liu
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Sichuan, CN
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last 30 patents
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Patent Grant
Oil-based drilling fluid composition, oil-based drilling fluid and...
Patent number
11,485,896
Issue date
Nov 1, 2022
SOUTHWEST PETROLEUM UNIVERSITY
Yang Bai
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Modified polyvinyl acetate and preparation method and use thereof a...
Patent number
11,441,062
Issue date
Sep 13, 2022
SOUTHWEST PETROLEUM UNIVERSITY
Yang Bai
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method and system for obtaining micro-nano level fracture model and...
Patent number
10,989,576
Issue date
Apr 27, 2021
Southwest Petroleum University
Yang Bai
G01 - MEASURING TESTING
Patents Applications
last 30 patents
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Patent Application
OIL-BASED DRILLING FLUID COMPOSITION, OIL-BASED DRILLING FLUID AND...
Publication number
20220290032
Publication date
Sep 15, 2022
SOUTHWEST PETROLEUM UNIVERSITY
Yang BAI
C01 - INORGANIC CHEMISTRY