Linghui XI

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Qingdao, CN

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Patents Grantslast 30 patents

Information Patent Grant
Carbon dioxide fluidity control device and method
- Patent number 11,931,708
- Issue date Mar 19, 2024
- CHINA UNIVERSITY OF PETROLEUM (EAST CHINA)
- Chao Zhang
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Foam solution and preparation thereof used for profile control and...
- Patent number 10,941,334
- Issue date Mar 9, 2021
- CHINA UNIVERSITY OF PETROLEUM (EAST CHINA)
- Chao Zhang
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
A CARBON DIOXIDE FLUIDITY CONTROL DEVICE AND METHOD
- Publication number 20210220784
- Publication date Jul 22, 2021
- China University of Petroleum (East China)
- Chao ZHANG
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
FOAM SOLUTION AND PREPARATION THEREOF USED FOR PROFILE CONTROL AND...
- Publication number 20200339866
- Publication date Oct 29, 2020
- China University of Petroleum (East China)
- Chao Zhang
- E21 - EARTH DRILLING MINING