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Patents Grants
last 30 patents
Information
Patent Grant
Degradable friction reducer for hydraulic fracturing treatments
Patent number
12,098,326
Issue date
Sep 24, 2024
CNPC USA Corporation
Fuchen Liu
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Degradable friction reducer for hydraulic fracturing treatments
Patent number
12,098,327
Issue date
Sep 24, 2024
CNPC USA Corporation
Fuchen Liu
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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
Degradable friction reducer for hydraulic fracturing treatments
Patent number
11,999,905
Issue date
Jun 4, 2024
CNPC USA Corporation
Fuchen Liu
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Composition and method for improving the production of petroleum hy...
Patent number
11,851,612
Issue date
Dec 26, 2023
CNPC USA Corporation
Jiangshui Huang
E21 - EARTH DRILLING MINING
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
Composition and method for improving the production of petroleum hy...
Patent number
11,499,091
Issue date
Nov 15, 2022
CNPC USA Corporation
Jiangshui Huang
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Method for making nano- and micro-particles for use as a proppant a...
Patent number
11,459,502
Issue date
Oct 4, 2022
CNPC USA Corporation
Lijun Lin
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Environmentally friendly hydrofracturing friction reducer for harsh...
Patent number
11,268,015
Issue date
Mar 8, 2022
CNPC USA Corporation
Litao Bai
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Environmentally friendly hydrofracturing friction reducer for harsh...
Patent number
10,982,130
Issue date
Apr 20, 2021
CNPC USA Corporation
Litao Bai
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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
DEGRADABLE FRICTION REDUCER FOR HYDRAULIC FRACTURING TREATMENTS
Publication number
20240409805
Publication date
Dec 12, 2024
CNPC USA CORPORATION
Fuchen Liu
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
Composition and Method for Improving the Production of Petroleum Hy...
Publication number
20240228862
Publication date
Jul 11, 2024
CNPC USA CORPORATION
Jiangshui Huang
E21 - EARTH DRILLING MINING
Information
Patent Application
Multifunctional Slickwater Fracturing Fluid
Publication number
20240199946
Publication date
Jun 20, 2024
CNPC USA CORPORATION
Genyao Lin
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
Fracturing Fluid with Superior Proppant Transport Capability
Publication number
20240199944
Publication date
Jun 20, 2024
CNPC USA CORPORATION
Genyao Lin
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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 FOR MAKING NANO- AND MICRO-PARTICLES FOR USE AS A PROPPANT A...
Publication number
20240150642
Publication date
May 9, 2024
CNPC USA CORPORATION
Lijun Lin
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
APPARATUS AND METHOD FOR DETERMINING THE STATIC PROPPANT-SETTLING-V...
Publication number
20240085300
Publication date
Mar 14, 2024
CNPC USA CORPORATION
Jiangshui Huang
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
DEGRADABLE FRICTION REDUCER FOR HYDRAULIC FRACTURING TREATMENTS
Publication number
20240043740
Publication date
Feb 8, 2024
CNPC USA CORPORATION
Fuchen Liu
E21 - EARTH DRILLING MINING
Information
Patent Application
DEGRADABLE FRICTION REDUCER FOR HYDRAULIC FRACTURING TREATMENTS
Publication number
20240043741
Publication date
Feb 8, 2024
CNPC USA CORPORATION
Fuchen Liu
E21 - EARTH DRILLING MINING
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
Composition and Method for Improving the Production of Petroleum Hy...
Publication number
20230069858
Publication date
Mar 9, 2023
CNPC USA CORPORATION
Jiangshui HUANG
E21 - EARTH DRILLING MINING
Information
Patent Application
DEGRADABLE FRICTION REDUCER FOR HYDRAULIC FRACTURING TREATMENTS
Publication number
20230058884
Publication date
Feb 23, 2023
CNPC USA CORPORATION
Fuchen LIU
E21 - EARTH DRILLING MINING
Information
Patent Application
METHOD FOR MAKING NANO- AND MICRO-PARTICLES FOR USE AS A PROPPANT A...
Publication number
20230029914
Publication date
Feb 2, 2023
CNPC USA CORPORATION
Lijun Lin
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
Composition and Method for Improving the Production of Petroleum Hy...
Publication number
20220081609
Publication date
Mar 17, 2022
CNPC USA CORPORATION
Jiangshui HUANG
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
Treatment of subterranean formations with crosslinked fluids
Publication number
20220081611
Publication date
Mar 17, 2022
CNPC USA CORPORATION
Lijun LIN
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
ENVIRONMENTALLY FRIENDLY HYDROFRACTURING FRICTION REDUCER FOR HARSH...
Publication number
20210147745
Publication date
May 20, 2021
CNPC USA CORPORATION
Litao BAI
E21 - EARTH DRILLING MINING
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
ENVIRONMENTALLY FRIENDLY HYDROFRACTURING FRICTION REDUCER FOR HARSH...
Publication number
20200248064
Publication date
Aug 6, 2020
CNPC USA CORPORATION
Litao BAI
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
METHOD FOR MAKING NANO- AND MICRO-PARTICLES FOR USE AS A PROPPANT A...
Publication number
20200216750
Publication date
Jul 9, 2020
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
20200131433
Publication date
Apr 30, 2020
CNPC USA CORPORATION
Lijun Lin
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...