Wei LEI

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Chengdu, CN

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Patents Grantslast 30 patents

Information Patent Grant
Device for jet packing and fracturing and tubular column comprising...
- Patent number 11,236,590
- Issue date Feb 1, 2022
- China Petroleum and Chemical Corporation
- Zhenwei Gan
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
WELLBORE STAGED OPERATION METHOD AND RUBBER PLUG FOR SAID METHOD
- Publication number 20230235655
- Publication date Jul 27, 2023
- China Petroleum and Chemical Corporation
- Wei LEI
- E21 - EARTH DRILLING MINING
Information Patent Application
DEVICE FOR JET PACKING AND FRACTURING AND TUBULAR COLUMN COMPRISING...
- Publication number 20210189844
- Publication date Jun 24, 2021
- China Petroleum and Chemical Corporation
- Zhenwei GAN
- E21 - EARTH DRILLING MINING