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Kejing Wang
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Chengdu, CN
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last 30 patents
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Patent Grant
Pressure pulse communication system and method during gas drilling
Patent number
11,713,674
Issue date
Aug 1, 2023
SOUTHWEST PETROLEUM UNIVERSITY
Xingyu Chen
E21 - EARTH DRILLING MINING
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Patent Grant
Multi-frequency acoustic velocity measurement device for core
Patent number
11,371,962
Issue date
Jun 28, 2022
SOUTHWEST PETROLEUM UNIVERSITY
Yijian Chen
G01 - MEASURING TESTING
Patents Applications
last 30 patents
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Patent Application
PRESSURE PULSE COMMUNICATION SYSTEM AND METHOD DURING GAS DRILLING
Publication number
20230095056
Publication date
Mar 30, 2023
SOUTHWEST PETROLEUM UNIVERSITY
Xingyu CHEN
E21 - EARTH DRILLING MINING