Chengwen Wang

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Shandong, CN

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Patents Grantslast 30 patents

Information Patent Grant
High-temperature retarder suitable for oil and gas well cementation...
- Patent number 10,858,571
- Issue date Dec 8, 2020
- CHINA UNIVERSITY OF PETROLEUM (EAST CHINA)
- Chengwen Wang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Oil well cement settlement stabilizer for high-temperature cementin...
- Patent number 10,655,048
- Issue date May 19, 2020
- China University of Petroleum (East China)
- Chengwen Wang
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Foam stabilizer composition, foamed cement slurry and additive comp...
- Patent number 9,624,420
- Issue date Apr 18, 2017
- China Univeristy of Petroleum (East China)
- Chengwen Wang
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR EVALUATING ROCK DRILLABILITY BY NANO-INDENTATION TEST ON...
- Publication number 20230228189
- Publication date Jul 20, 2023
- China University of Petroleum (East China)
- Zizhen WANG
- E21 - EARTH DRILLING MINING
Information Patent Application
HIGH-TEMPERATURE RETARDER SUITABLE FOR OIL AND GAS WELL CEMENTATION...
- Publication number 20200239760
- Publication date Jul 30, 2020
- China University of Petroleum (East China)
- Chengwen Wang
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
Oil Well Cement Settlement Stabilizer for High-Temperature Cementin...
- Publication number 20200157405
- Publication date May 21, 2020
- CHINA UNIVERSITY OF PETROLEUM (EAST CHINA)
- Chengwen WANG
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES