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Chengdu, CN
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Patents Grants
last 30 patents
Information
Patent Grant
Aerial survey method and apparatus capable of eliminating redundant...
Patent number
11,927,442
Issue date
Mar 12, 2024
CHENGDU RAINPOO TECHNOLOGY CO., LTD.
Run Yang
G01 - MEASURING TESTING
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
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
Strong plugging drilling fluid composition and preparation method t...
Patent number
10,533,122
Issue date
Jan 14, 2020
Southwest Petroleum University
Yang Bai
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Patents Applications
last 30 patents
Information
Patent Application
AERIAL SURVEY METHOD AND APPARATUS CAPABLE OF ELIMINATING REDUNDANT...
Publication number
20210325182
Publication date
Oct 21, 2021
CHENGDU RAINPOO TECHNOLOGY CO., LTD.
Run YANG
G01 - MEASURING TESTING
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...