Meng CUI

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Method for evaluating downhole working condition of a PDC bit
- Patent number 11,959,375
- Issue date Apr 16, 2024
- CNPC ENGINEERING TECHNOLOGY R&D COMPANY LIMITED
- Guodong Ji
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
HORIZONTAL WELL CUTTINGS BED PROCESSING METHOD AND DEVICE
- Publication number 20250067134
- Publication date Feb 27, 2025
- CHINA NATIONAL PETROLEUM CORPORATION
- Guodong JI
- E21 - EARTH DRILLING MINING
Information Patent Application
METHOD FOR EVALUATING DOWNHOLE WORKING CONDITION OF A PDC BIT
- Publication number 20210301643
- Publication date Sep 30, 2021
- CNPC Engineering Technology R&D Company Limited
- Guodong JI
- E21 - EARTH DRILLING MINING