Sichuan Shengnuo Oil. And Gas Engineering Technology Service Co., Ltd

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Sichuan, CH

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Patents Grantslast 30 patents

Information Patent Grant
Downhole throttling device based on wireless control
- Patent number 11,946,349
- Issue date Apr 2, 2024
- PetroChina Company Limited
- Jun Xie
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
DOWNHOLE THROTTLING DEVICE BASED ON WIRELESS CONTROL
- Publication number 20220205346
- Publication date Jun 30, 2022
- Petrochina Company Limited
- Jun Xie
- E21 - EARTH DRILLING MINING

Trademarklast 30 trademarks