Jingyu CUI

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Chengdu, CN

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Patents Grantslast 30 patents

Information Patent Grant
Tool for jet packing and fracturing and tubular column comprising same
- Patent number 11,142,989
- Issue date Oct 12, 2021
- China Petroleum and Chemical Corporation
- Zhenwei Gan
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
DIFFERENTIAL PRESSURE SLIDING SLEEVE, AND OIL AND GAS WELL FRACTURI...
- Publication number 20240218773
- Publication date Jul 4, 2024
- China Petroleum and Chemical Corporation
- Shunqu HU
- E21 - EARTH DRILLING MINING
Information Patent Application
TOOL FOR JET PACKING AND FRACTURING AND TUBULAR COLUMN COMPRISING SAME
- Publication number 20210164318
- Publication date Jun 3, 2021
- China Petroleum and Chemical Corporation
- Zhenwei GAN
- E21 - EARTH DRILLING MINING