Cheng Chang

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Chengdu, CN

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Patents Grantslast 30 patents

Information Patent Grant
Glass clamping model based on microscopic displacement experiment a...
- Patent number 11,614,561
- Issue date Mar 28, 2023
- Yongming Li
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method for comprehensive evaluation of shale fracability under the...
- Patent number 11,598,205
- Issue date Mar 7, 2023
- SOUTHWEST PETROLEUM UNIVERSITY
- Yu Peng
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Systems and Methods for Analysis and Simulation of Subsurface Hydra...
- Publication number 20240076980
- Publication date Mar 7, 2024
- PetroChina Southwest Oil & Gas Field Company
- Rui Yong
- E21 - EARTH DRILLING MINING
Information Patent Application
METHOD FOR DETERMINING THE STIMULATED RESERVIOR VOLUME OF HORIZONTA...
- Publication number 20230273339
- Publication date Aug 31, 2023
- SOUTHWEST PETROLEUM UNIVERSITY
- Yongming LI
- G06 - COMPUTING CALCULATING COUNTING