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Yingfeng MENG
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Chengdu, CN
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Patents Grants
last 30 patents
Information
Patent Grant
Device for preventing abrupt blockage in blooie line of gas drilling
Patent number
12,276,166
Issue date
Apr 15, 2025
SOUTHWEST PETROLEUM UNIVERSITY
Hongtao Li
E21 - EARTH DRILLING MINING
Information
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
Information
Patent Grant
Mineshaft-stratum fracture coupled flowing simulation experiment de...
Patent number
10,794,180
Issue date
Oct 6, 2020
SOUTHWEST PETROLEUM UNIVERSITY
Gao Li
E21 - EARTH DRILLING MINING
Information
Patent Grant
Logging-while-drilling optical fiber communication device
Patent number
10,415,374
Issue date
Sep 17, 2019
SOUTHWEST PETROLEUM UNIVERSITY
Xingyu Chen
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
DEVICE FOR PREVENTING ABRUPT BLOCKAGE IN BLOOIE LINE OF GAS DRILLING
Publication number
20240052713
Publication date
Feb 15, 2024
SOUTHWEST PETROLEUM UNIVERSITY
Hongtao Li
E21 - EARTH DRILLING MINING
Information
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
Information
Patent Application
MINESHAFT-STRATUM FRACTURE COUPLED FLOWING SIMULATION EXPERIMENT DE...
Publication number
20200217193
Publication date
Jul 9, 2020
SOUTHWEST PETROLEUM UNIVERSITY
Gao LI
E21 - EARTH DRILLING MINING
Information
Patent Application
Logging-While-Drilling Optical Fiber Communication Device
Publication number
20190024504
Publication date
Jan 24, 2019
SOUTHWEST PETROLEUM UNIVERSITY
Xingyu CHEN
G02 - OPTICS