Yanmin ZHOU

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Sampling-by-pushing system and setting method thereof
- Patent number 11,072,981
- Issue date Jul 27, 2021
- CHINA OILFIELD SERVICES, LIMITED
- Minggao Zhou
- E21 - EARTH DRILLING MINING
Information Patent Grant
System for sampling from formation while drilling
- Patent number 10,180,064
- Issue date Jan 15, 2019
- China National Offshore Oil Corporation
- Yongren Feng
- E21 - EARTH DRILLING MINING
Information Patent Grant
Rock formation testing method and formation testing instrument
- Patent number 9,988,899
- Issue date Jun 5, 2018
- China National Offshore Oil Corporation
- Yongren Feng
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Sampling-by-Pushing System and Setting Method Thereof
- Publication number 20200355034
- Publication date Nov 12, 2020
- CHINA OILFIELD SERVICES, LIMITED
- Minggao ZHOU
- E21 - EARTH DRILLING MINING
Information Patent Application
System for Sampling from Formation While Drilling
- Publication number 20160362977
- Publication date Dec 15, 2016
- CHINA NATIONAL OFFSHORE OIL CORPORATION
- Yongren FENG
- E21 - EARTH DRILLING MINING
Information Patent Application
Rock Formation Testing Method and Formation Testing Instrument
- Publication number 20160108727
- Publication date Apr 21, 2016
- CHINA NATIONAL OFFSHORE OIL CORPORATION
- Yongren FENG
- E21 - EARTH DRILLING MINING