Lianpeng MEI

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Qingdao, 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
Information Patent Grant
Drilling system and method of submarine drilling rig
- Patent number 11,428,048
- Issue date Aug 30, 2022
- China University of Petroleum
- Wensheng Xiao
- E21 - EARTH DRILLING MINING
Information Patent Grant
Electric drilling tool suitable for ocean underwater drilling rig
- Patent number 11,299,935
- Issue date Apr 12, 2022
- China University of Petroleum (East China)
- Wensheng Xiao
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Electric Drilling Tool Suitable for Ocean Underwater Drilling Rig
- Publication number 20220025707
- Publication date Jan 27, 2022
- CHINA UNIVERSITY OF PETROLEUM (EAST CHINA)
- Wensheng Xiao
- E21 - EARTH DRILLING MINING
Information Patent Application
DRILLING SYSTEM AND METHOD OF SUBMARINE DRILLING RIG
- Publication number 20200270951
- Publication date Aug 27, 2020
- China University of Petroleum
- Wensheng XIAO
- E21 - EARTH DRILLING MINING