Yuqiang XU

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Qingdao, CN

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Patents Grantslast 30 patents

Information Patent Grant
Drilling speed improvement device capable of producing both hydraul...
- Patent number 10,718,176
- Issue date Jul 21, 2020
- CHINA UNIVERSITY OF PETROLEUM (EAST CHINA)
- Hualin Liao
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
RISK ASSESSMENT-BASED DESIGN METHOD FOR DEEP COMPLEX FORMATION WELL...
- Publication number 20220170361
- Publication date Jun 2, 2022
- China University of Petroleum
- Zhichuan GUAN
- E21 - EARTH DRILLING MINING
Information Patent Application
RISK ASSESSMENT-BASED DESIGN METHOD FOR DEEP COMPLEX FORMATION WELL...
- Publication number 20210011194
- Publication date Jan 14, 2021
- China University of Petroleum
- Zhichuan GUAN
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
DRILLING SPEED IMPROVEMENT DEVICE CAPABLE OF PRODUCING BOTH HYDRAUL...
- Publication number 20200080379
- Publication date Mar 12, 2020
- China University of Petroleum (East China)
- Hualin LIAO
- E21 - EARTH DRILLING MINING