Zhi XIE

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Chengdu, CN

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Patents Grantslast 30 patents

Information Patent Grant
Differential pressure sliding sleeve, and oil and gas well fracturi...
- Patent number 12,215,580
- Issue date Feb 4, 2025
- China Petroleum and Chemical Corporation
- Shunqu Hu
- E21 - EARTH DRILLING MINING
Information Patent Grant
Tool for opening sliding sleeve
- Patent number 11,248,444
- Issue date Feb 15, 2022
- China Petroleum and Chemical Corporation
- Zhenwei Gan
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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
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
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
Information Patent Application
TOOL FOR OPENING SLIDING SLEEVE
- Publication number 20210172287
- Publication date Jun 10, 2021
- China Petroleum and Chemical Corporation
- Zhenwei GAN
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...