Qingxue Zhang

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Shandong, CN

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Patents Grantslast 30 patents

Information Patent Grant
Subsea coiled tubing drilling system and subsea drilling device the...
- Patent number 11,781,385
- Issue date Oct 10, 2023
- CHINA UNIVERSITY OF PETROLEUM (EAST CHINA)
- Wensheng Xiao
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Deepwater subsea coiled tubing drilling rig
- Patent number 11,624,238
- Issue date Apr 11, 2023
- China University of Petroleum (East China)
- Wensheng Xiao
- E21 - EARTH DRILLING MINING