Hong Zhang

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Jingzhou City, CN

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Patents Grantslast 30 patents

Information Patent Grant
Directional well trajectory control method based on drill pipe drive
- Patent number 11,692,397
- Issue date Jul 4, 2023
- Yangtze University
- Ding Feng
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
STRUCTURAL COATING AND PREPARATION METHOD AND USE THEREOF
- Publication number 20220403500
- Publication date Dec 22, 2022
- Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences
- Peng Wang
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
DIRECTIONAL WELL TRAJECTORY CONTROL METHOD BASED ON DRILL PIPE DRIVE
- Publication number 20220112769
- Publication date Apr 14, 2022
- Yangtze University
- Ding Feng
- E21 - EARTH DRILLING MINING