Guofu Ren

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Beijing City, CN

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Patents Grantslast 30 patents

Information Patent Grant
Metal-based dissolvable ball seat, setting system and setting method
- Patent number 11,634,961
- Issue date Apr 25, 2023
- PetroChina Company Limited
- Xiaowei Xue
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
METAL-BASED DISSOLVABLE BALL SEAT, SETTING SYSTEM AND SETTING METHOD
- Publication number 20210277741
- Publication date Sep 9, 2021
- Xiaowei Xue
- E21 - EARTH DRILLING MINING