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Patents Grants
last 30 patents
Information
Patent Grant
Method of hydraulic fracturing utilizing a hydraulic fracturing flu...
Patent number
11,999,906
Issue date
Jun 4, 2024
CNPC USA Corporation
Lijun Lin
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Method of hydraulic fracturing utilizing a hydraulic fracturing flu...
Patent number
11,578,261
Issue date
Feb 14, 2023
CNPC USA Corporation
Lijun Lin
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method for characterizing complexity of rock fracture based on frac...
Patent number
11,578,576
Issue date
Feb 14, 2023
SOUTHWEST PETROLEUM UNIVERSITY
Cong Lu
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method for acquiring opening timing of natural fracture under in-sl...
Patent number
10,844,710
Issue date
Nov 24, 2020
SOUTHWEST PETROLEUM UNIVERSITY
Cong Lu
E21 - EARTH DRILLING MINING
Information
Patent Grant
Compositions of hydraulic fracturing fluid and method thereof
Patent number
10,752,829
Issue date
Aug 25, 2020
CNPC USA Corporation
Lijun Lin
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
METHOD OF HYDRAULIC FRACTURING UTILIZING A HYDRAULIC FRACTURING FLU...
Publication number
20240150641
Publication date
May 9, 2024
CNPC USA CORPORATION
Lijun Lin
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
METHOD OF HYDRAULIC FRACTURING UTILIZING A HYDRAULIC FRACTURING FLU...
Publication number
20230193119
Publication date
Jun 22, 2023
CNPC USA CORPORATION
Lijun Lin
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
COMPOSITIONS OF HYDRAULIC FRACTURING FLUID AND METHOD THEREOF
Publication number
20200369952
Publication date
Nov 26, 2020
CNPC USA CORPORATION
Lijun Lin
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
METHOD FOR ACQUIRING OPENING TIMING OF NATURAL FRACTURE UNDER IN-SL...
Publication number
20200355069
Publication date
Nov 12, 2020
SOUTHWEST PETROLEUM UNIVERSITY
Cong Lu
E21 - EARTH DRILLING MINING
Information
Patent Application
METHOD FOR CHARACTERIZING COMPLEXITY OF ROCK FRACTURE BASED ON FRAC...
Publication number
20200240251
Publication date
Jul 30, 2020
SOUTHWEST PETROLEUM UNIVERSITY
Cong Lu
G01 - MEASURING TESTING
Information
Patent Application
COMPOSITIONS OF HYDRAULIC FRACTURING FLUID AND METHOD THEREOF
Publication number
20200131433
Publication date
Apr 30, 2020
CNPC USA CORPORATION
Lijun Lin
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...