Youzhi ZHENG

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Well cementing method for improving well cementing quality by contr...
- Patent number 11,926,787
- Issue date Mar 12, 2024
- PetroChina Company Limited
- Shuoqiong Liu
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Apparatus and method for determining volume stability of well cement
- Patent number 11,112,398
- Issue date Sep 7, 2021
- PetroChina Company Limited
- Fuyun Wang
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and device for determining elasticity of cement stone utiliz...
- Patent number 10,928,282
- Issue date Feb 23, 2021
- PetroChina Company Limited
- Youzhi Zheng
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
ULTRA-HIGH TEMPERATURE RESISTANT CEMENT SLURRY SYSTEM FOR CEMENTING...
- Publication number 20240336828
- Publication date Oct 10, 2024
- CHINA NATIONAL PETROLEUM CORPORATION
- Jianzhou JIN
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
CEMENT SLURRY SYSTEM, PREPARATION METHOD THEREFOR AND USE THEREOF
- Publication number 20240228858
- Publication date Jul 11, 2024
- CHINA NATIONAL PETROLEUM CORPORATION
- Jianzhou JIN
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
Well Cementing Method for Improving Well Cementing Quality by Contr...
- Publication number 20200399525
- Publication date Dec 24, 2020
- Shuoqiong Liu
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
APPARATUS AND METHOD FOR DETERMINING VOLUME STABILITY OF WELL CEMENT
- Publication number 20190302092
- Publication date Oct 3, 2019
- Petrochina Company Limited
- Fuyun WANG
- G01 - MEASURING TESTING
Information Patent Application
METHOD AND DEVICE FOR DETERMINING ELASTICITY OF CEMENT STONE UTILIZ...
- Publication number 20190271621
- Publication date Sep 5, 2019
- Petrochina Company Limited
- Youzhi ZHENG
- G01 - MEASURING TESTING