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last 30 patents
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Patent Grant
Method and device for developing shale gas by tapered gradient pres...
Patent number
11,136,871
Issue date
Oct 5, 2021
University of Science and Technology Beijing
Weiyao Zhu
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
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Patent Application
Systems and Methods for Analysis and Simulation of Subsurface Hydra...
Publication number
20240076980
Publication date
Mar 7, 2024
PetroChina Southwest Oil & Gas Field Company
Rui Yong
E21 - EARTH DRILLING MINING
Information
Patent Application
Method and device for developing shale gas by tapered gradient pres...
Publication number
20210238973
Publication date
Aug 5, 2021
UNIVERSITY OF SCIENCE AND TECHNOLOGY BEIJING
WEIYAO ZHU
E21 - EARTH DRILLING MINING
Information
Patent Application
Method and device for identifying structure of flow field in unconv...
Publication number
20210003004
Publication date
Jan 7, 2021
UNIVERSITY OF SCIENCE AND TECHNOLOGY BEIJING
WEIYAO ZHU
E21 - EARTH DRILLING MINING