Jiahuan He

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Beijing City, CN

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Patents Grantslast 30 patents

Information Patent Grant
Device and method for determining original stratum direction of core
- Patent number 12,117,584
- Issue date Oct 15, 2024
- PetroChina Company Limited
- Jiahuan He
- G01 - MEASURING TESTING
Information Patent Grant
Resistivity measurement method, device and system
- Patent number 11,415,721
- Issue date Aug 16, 2022
- PetroChina Company Limited
- Jiahuan He
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
DEVICE AND METHOD FOR DETERMINING ORIGINAL STRATUM DIRECTION OF CORE
- Publication number 20230028649
- Publication date Jan 26, 2023
- Petrochina Company Limited
- Jiahuan HE
- G01 - MEASURING TESTING
Information Patent Application
Resistivity Measurement Method, Device and System
- Publication number 20190369286
- Publication date Dec 5, 2019
- Jiahuan He
- G01 - MEASURING TESTING