Enfeng YANG

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Baoji, CN

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Patents Applicationslast 30 patents

Information Patent Application
WELLHEAD AUTOMATIC POSITIONING METHOD AND SYSTEM OF PLUGGING AND PE...
- Publication number 20250052135
- Publication date Feb 13, 2025
- BAOJI SAFE PETROLEUM MACHINERY CO., LTD.
- Jianbo LI
- E21 - EARTH DRILLING MINING
Information Patent Application
INTEGRATED PLUGGING AND PERFORATING OPERATION SYSTEM
- Publication number 20250052126
- Publication date Feb 13, 2025
- BAOJI SAFE PETROLEUM MACHINERY CO., LTD.
- Jianbo LI
- E21 - EARTH DRILLING MINING