Cheng ZHAI

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Xuzhou, CN

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Patents Grantslast 30 patents

Information Patent Grant
Cracking permeability increasing method combining hydraulic fractur...
- Patent number 12,078,034
- Issue date Sep 3, 2024
- China University of Mining and Technology
- Wei Yang
- E21 - EARTH DRILLING MINING
Information Patent Grant
Liquid explosive for in-situ explosive fracturing in low-permeabili...
- Patent number 11,932,586
- Issue date Mar 19, 2024
- China University of Mining and Technology
- Ning Luo
- C06 - EXPLOSIVES MATCHES
Information Patent Grant
In-situ methane explosion shaped charge perforating device with mol...
- Patent number 11,434,731
- Issue date Sep 6, 2022
- China University of Mining and Technology
- Ning Luo
- E21 - EARTH DRILLING MINING
Information Patent Grant
Using horizontal directional drilling and liquid nitrogen cyclic fr...
- Patent number 10,577,891
- Issue date Mar 3, 2020
- SCIENCE ACADEMY OF CHINA UNIVERSITY OF MINING AND TECHNOLOGY
- Cheng Zhai
- E21 - EARTH DRILLING MINING
Information Patent Grant
Multi-information coupling prediction method of coal and gas outbur...
- Patent number 9,417,358
- Issue date Aug 16, 2016
- China University of Mining and Technology
- Baiquan Lin
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
CRACKING PERMEABILITY INCREASING METHOD COMBINING HYDRAULIC FRACTUR...
- Publication number 20240110465
- Publication date Apr 4, 2024
- CHINA UNIVERSITY OF MINING AND TECHNOLOGY
- WEI YANG
- E21 - EARTH DRILLING MINING
Information Patent Application
LIQUID EXPLOSIVE FOR IN-SITU EXPLOSIVE FRACTURING IN LOW-PERMEABILI...
- Publication number 20240025817
- Publication date Jan 25, 2024
- China University of Mining and Technology
- Ning LUO
- C06 - EXPLOSIVES MATCHES
Information Patent Application
IN-SITU METHANE EXPLOSION SHAPED CHARGE PERFORATING DEVICE WITH MOL...
- Publication number 20220282598
- Publication date Sep 8, 2022
- China University of Mining and Technology
- Ning Luo
- E21 - EARTH DRILLING MINING
Information Patent Application
using horizontal directional drilling and liquid nitrogen cyclic fr...
- Publication number 20170175489
- Publication date Jun 22, 2017
- Science Academy of China Univerisity of Mining
- Cheng ZHAI
- E21 - EARTH DRILLING MINING
Information Patent Application
MULTI-INFORMATION COUPLING PREDICTION METHOD OF COAL AND GAS OUTBUR...
- Publication number 20140019047
- Publication date Jan 16, 2014
- CHINA UNIVERSITY OF MINING AND TECHNOLOGY
- Baiquan Lin
- G01 - MEASURING TESTING