Minggao ZHOU

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Integrated logging instrument for coring and sampling
- Patent number 11,905,829
- Issue date Feb 20, 2024
- China Oilfield Services Limited
- Tao Lu
- E21 - EARTH DRILLING MINING
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
High-pressure fluid mixing pump control system and fluid suction co...
- Patent number 10,208,736
- Issue date Feb 19, 2019
- China National Offshore Oil Corporation
- Yongren Feng
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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
INTEGRATED LOGGING INSTRUMENT FOR CORING AND SAMPLING
- Publication number 20220316290
- Publication date Oct 6, 2022
- China Oilfield Services Limited
- Tao LU
- E21 - EARTH DRILLING MINING
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
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
Information Patent Application
High-Pressure Fluid Mixing Pump Control System and Fluid Suction Co...
- Publication number 20160097377
- Publication date Apr 7, 2016
- CHINA NATIONAL OFFSHORE OIL CORPORATION
- Yongren FENG
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...