CHINA UNIVERSITY OF PETROLEUM (EAST CHINA), Shandong, CHINA

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Qingdao, CN

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Patents Grantslast 30 patents

Information Patent Grant
Environment-friendly high-temperature resistant water-based drillin...
- Patent number 11,072,738
- Issue date Jul 27, 2021
- CHINA UNIVERSITY OF PETROLEUM (EAST CHINA), Shandong, CHINA
- Xianbin Huang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

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Patents Applicationslast 30 patents

Information Patent Application
ENVIRONMENT-FRIENDLY HIGH-TEMPERATURE RESISTANT WATER-BASED DRILLIN...
- Publication number 20210189216
- Publication date Jun 24, 2021
- CHINA UNIVERSITY OF PETROLEUM (EAST CHINA), Shandong, CHINA
- Xianbin HUANG
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...