Zhilin Li

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Chengdu, Sichuan, CN

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Patents Grantslast 30 patents

Information Patent Grant
Jet flow adjustment method for rotary steerable downhole release
- Patent number 11,982,146
- Issue date May 14, 2024
- China National Petroleum Corporation
- Jichuan Zhang
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Jet flow adjustment method for rotary steerable downhole release
- Publication number 20230193714
- Publication date Jun 22, 2023
- CHINA NATIONAL PETROLEUM CORPORATION
- Jichuan Zhang
- E21 - EARTH DRILLING MINING