WenFeng Yin

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CHENGDU CITY, CN

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Patents Grantslast 30 patents

Information Patent Grant
Safety drilling system and method for preventing collapse of water-...
- Patent number 11,236,562
- Issue date Feb 1, 2022
- SOUTHWEST PETROLEUM UNIVERSITY
- Qian Li
- E21 - EARTH DRILLING MINING
Information Patent Grant
Downhole failure analysis and processing method based on the partic...
- Patent number 11,125,071
- Issue date Sep 21, 2021
- SOUTHWEST PETROLEUM UNIVERSITY
- Hu Yin
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
SAFETY DRILLING SYSTEM AND METHOD FOR PREVENTING COLLAPSE OF WATER-...
- Publication number 20210222528
- Publication date Jul 22, 2021
- SOUTHWEST PETROLEUM UNIVERSITY
- Qian LI
- E21 - EARTH DRILLING MINING
Information Patent Application
Method for establishing chart for designing mechanical properties o...
- Publication number 20210082543
- Publication date Mar 18, 2021
- Southwest Petroleum University
- Hu Yin
- E21 - EARTH DRILLING MINING
Information Patent Application
Downhole Failure Analysis and Processing Method and Device Based on...
- Publication number 20210040835
- Publication date Feb 11, 2021
- SOUTHWEST PETROLEUM UNIVERSITY
- Hu Yin
- E21 - EARTH DRILLING MINING