Yan Wang

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Beijing City, CN

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Patents Grantslast 30 patents

Information Patent Grant
Downhole oil, gas, water and sand separation method and separator
- Patent number 11,180,980
- Issue date Nov 23, 2021
- PetroChina Company Limited
- Yan Wang
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
CONSTRUCTION PROCESS FOR QUICKLY AND INTEGRALLY REPLACING DAMAGED P...
- Publication number 20220228323
- Publication date Jul 21, 2022
- CHINA RAILWAY BEIJING ENGINEERING GROUP CO., LTD
- Jianguo Wang
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Application
DOWNHOLE OIL, GAS, WATER AND SAND SEPARATION METHOD AND SEPARATOR
- Publication number 20200217187
- Publication date Jul 9, 2020
- Petrochina Company Limited
- Yan Wang
- E21 - EARTH DRILLING MINING