Weiyu CHEN

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Chengdu City, CN

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Patents Grantslast 30 patents

Information Patent Grant
Carbonate reservoir filtration-loss self-reducing acid
- Patent number 11,174,425
- Issue date Nov 16, 2021
- SOUTHWEST PETROLEUM UNIVERSITY
- Weiyu Chen
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Automatic cleaning device for suction port of electric submersible...
- Publication number 20210301835
- Publication date Sep 30, 2021
- SOUTHWEST PETROLEUM UNIVERSITY
- Ruyi Gou
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
CARBONATE RESERVOIR FILTRATION-LOSS SELF-REDUCING ACID
- Publication number 20210017445
- Publication date Jan 21, 2021
- SOUTHWEST PETROLEUM UNIVERSITY
- Weiyu CHEN
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...