Rutao Ma

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Omni-directional horizontally orientaed deflecting tool for coiled...
- Patent number 11,946,374
- Issue date Apr 2, 2024
- SOUTHWEST PETROLEUM UNIVERSITY
- Yang Tang
- E21 - EARTH DRILLING MINING
Information Patent Grant
Fully electrically controlled intelligent subsurface safety valve
- Patent number 11,732,551
- Issue date Aug 22, 2023
- SOUTHWEST PETROLEUM UNIVERSITY
- Yang Tang
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
OMNI-DIRECTIONAL HORIZONTALLY ORIENTAED DEFLECTING TOOL FOR COILED...
- Publication number 20240044211
- Publication date Feb 8, 2024
- SOUTHWEST PETROLEUM UNIVERSITY
- Yang TANG
- E21 - EARTH DRILLING MINING