Congwei LIU

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Method and system for positioning seismic source in microseism moni...
- Patent number 11,125,898
- Issue date Sep 21, 2021
- China National Petroleum Corporation
- Qihu Jin
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
METHOD AND DEVICE FOR CALIBRATING DEPTH OF OPTICAL FIBRE IN WELL
- Publication number 20240201415
- Publication date Jun 20, 2024
- BGP INC., CHINA NATIONAL PETROLEUM CORPORATION
- Yanpeng LI
- E21 - EARTH DRILLING MINING
Information Patent Application
METHOD AND SYSTEM FOR POSITIONING SEISMIC SOURCE IN MICROSEISM MONI...
- Publication number 20190162867
- Publication date May 30, 2019
- CHINA NATIONAL PETROLEUM CORPORATION
- Qihu JIN
- G01 - MEASURING TESTING