Yonggang Duan

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CHENGDU CITY, CN

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Patents Grantslast 30 patents

Information Patent Grant
Digital imaging technology-based method for calculating relative pe...
- Patent number 11,747,260
- Issue date Sep 5, 2023
- SOUTHWEST PETROLEUM UNIVERSITY
- Yonggang Duan
- G01 - MEASURING TESTING
Information Patent Grant
Shale stress sensitivity testing device and method
- Patent number 11,513,051
- Issue date Nov 29, 2022
- SOUTHWEST PETROLEUM UNIVERSITY
- Mingqiang Wei
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Method for interpreting and evaluating production profile of multi-...
- Publication number 20210071518
- Publication date Mar 11, 2021
- SOUTHWEST PETROLEUM UNIVERSITY
- Mingqiang Wei
- E21 - EARTH DRILLING MINING
Information Patent Application
Digital imaging technology-based method for calculating relative pe...
- Publication number 20210047925
- Publication date Feb 18, 2021
- SOUTHWEST PETROLEUM UNIVERSITY
- Yonggang Duan
- G06 - COMPUTING CALCULATING COUNTING