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Patents Grants
last 30 patents
Information
Patent Grant
Leak-proof lost-circulation control water-based drilling fluid comp...
Patent number
11,542,425
Issue date
Jan 3, 2023
SOUTHWEST PETROLEUM UNIVERSITY
Yang Bai
E21 - EARTH DRILLING MINING
Information
Patent Grant
Preparation method of fully adaptive modified nanographene plugging...
Patent number
11,525,079
Issue date
Dec 13, 2022
SOUTHWEST PETROLEUM UNIVERSITY
Yang Bai
C01 - INORGANIC CHEMISTRY
Information
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
Pressure-bearing plugging agent and preparation method and use thereof
Patent number
11,453,814
Issue date
Sep 27, 2022
SOUTHWEST PETROLEUM UNIVERSITY
Yang Bai
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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
Pressure-bearing plugging composition, pressure-bearing plugging sl...
Patent number
11,396,621
Issue date
Jul 26, 2022
SOUTHWEST PETROLEUM UNIVERSITY
Yang Bai
E21 - EARTH DRILLING MINING
Information
Patent Grant
Fiber silica composite microsphere for shale stratum, drilling flui...
Patent number
11,345,841
Issue date
May 31, 2022
SOUTHWEST PETROLEUM UNIVERSITY
Yang Bai
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Drilling fluid for enhancing stratum pressure bearing capacity and...
Patent number
11,225,594
Issue date
Jan 18, 2022
SOUTHWEST PETROLEUM UNIVERSITY
Yang Bai
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Nanometer plugging water-based drilling fluid and preparation metho...
Patent number
11,162,010
Issue date
Nov 2, 2021
SOUTHWEST PETROLEUM UNIVERSITY
Yang Bai
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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
Information
Patent Grant
Experimental device and experimental method for testing the lubrici...
Patent number
10,928,300
Issue date
Feb 23, 2021
SOUTHWEST PETROLEUM UNIVERSITY
Junlin Su
G01 - MEASURING TESTING
Information
Patent Grant
Multi-functional weighting agent for drilling fluid and preparation...
Patent number
10,865,337
Issue date
Dec 15, 2020
Southwest Petroleum University
Yang Bai
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Micro-nanometer plugging anti-collapse drilling fluid and preparati...
Patent number
10,829,679
Issue date
Nov 10, 2020
SOUTHWEST PETROLEUM UNIVERSITY
Yang Bai
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Modified nano-silica plugging agent, water-based drilling fluid, an...
Patent number
10,829,681
Issue date
Nov 10, 2020
SOUTHWEST PETROLEUM UNIVERSITY
Yang Bai
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Expandable plugging agent and preparation method thereof, micro-cap...
Patent number
10,487,255
Issue date
Nov 26, 2019
SOUTHWEST PETROLEUM UNIVERSITY
Yang Bai
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Strong plugging drilling fluid suitable for shale gas wells and pre...
Patent number
10,407,608
Issue date
Sep 10, 2019
SOUTHWEST PETROLEUM UNIVERSITY
Yang Bai
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Micro-nano composite plugging agent for drilling fluid and preparat...
Patent number
10,336,932
Issue date
Jul 2, 2019
SOUTHWEST PETROLEUM UNIVERSITY
Yang Bai
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Gel plugging slurry for well drilling and preparation method thereo...
Patent number
10,233,377
Issue date
Mar 19, 2019
Southwest Petroleum University
Yang Bai
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Drilling fluid for inhibiting surface hydration of clay and prepara...
Patent number
10,233,375
Issue date
Mar 19, 2019
Southwest Petroleum University
Pingya Luo
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Plugging agent for improving formation bearing capacity and prepara...
Patent number
10,017,679
Issue date
Jul 10, 2018
SOUTHWEST PETROLEUM UNIVERSITY
Pingya Luo
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
High-temperature cross-linking deep-well drilling fluid and prepara...
Patent number
10,005,946
Issue date
Jun 26, 2018
SOUTHWEST PETROLEUM UNIVERSITY
Yang Bai
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Deep-well polysulfonate drilling fluid and preparation method thereof
Patent number
9,926,482
Issue date
Mar 27, 2018
SOUTHWEST PETROLEUM UNIVERSITY
Yang Bai
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
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
Information
Patent Application
PRESSURE-BEARING PLUGGING AGENT AND PREPARATION METHOD AND USE THEREOF
Publication number
20220267662
Publication date
Aug 25, 2022
SOUTHWEST PETROLEUM UNIVERSITY
Yang BAI
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
NANOMETER PLUGGING WATER-BASED DRILLING FLUID AND PREPARATION METHO...
Publication number
20210163807
Publication date
Jun 3, 2021
SOUTHWEST PETROLEUM UNIVERSITY
Yang Bai
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
Multi-Functional Weighting Agent for Drilling Fluid and Preparation...
Publication number
20200369936
Publication date
Nov 26, 2020
SOUTHWEST PETROLEUM UNIVERSITY
Yang BAI
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
EXPERIMENTAL DEVICE AND EXPERIMENTAL METHOD FOR TESTING THE LUBRICI...
Publication number
20200217780
Publication date
Jul 9, 2020
SOUTHWEST PETROLEUM UNIVERSITY
Junlin SU
G01 - MEASURING TESTING
Information
Patent Application
STRONG PLUGGING DRILLING FLUID SUITABLE FOR SHALE GAS WELLS AND PRE...
Publication number
20190241791
Publication date
Aug 8, 2019
SOUTHWEST PETROLEUM UNIVERSITY
Yang BAI
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
MULTI-FUNCTIONAL HYBRID FRACTURING FLUID SYSTEM
Publication number
20170369767
Publication date
Dec 28, 2017
SICHUAN GUANGYA POLYMER CHEMICAL CO., LTD.
Yongjun GUO
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
GEL, LEAKING STOPPAGE METHOD USING THE SAME AND WELL KILL LEAKING S...
Publication number
20160069153
Publication date
Mar 10, 2016
SOUTHWEST PETROLEUM UNIVERSITY
Pingya Luo
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...