Jianjie Gao

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Shanghai, CN

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Patents Grantslast 30 patents

Information Patent Grant
Antenna system for downhole tool
- Patent number 10,431,883
- Issue date Oct 1, 2019
- Schlumberger Technology Corporation
- Jianjie Gao
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
PRESSURE AMPLIFIERS FOR DOWNHOLE DRILLING TOOLS
- Publication number 20160326804
- Publication date Nov 10, 2016
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Jianjie Gao
- E21 - EARTH DRILLING MINING
Information Patent Application
PISTON CONVERTER FOR DOWNHOLE DRILLING TOOL
- Publication number 20160326805
- Publication date Nov 10, 2016
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Jianjie Gao
- E21 - EARTH DRILLING MINING
Information Patent Application
Antenna System for Downhole Tool
- Publication number 20160072184
- Publication date Mar 10, 2016
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Jianjie Gao
- H01 - BASIC ELECTRIC ELEMENTS