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Patents Grants
last 30 patents
Information
Patent Grant
Fracture plugging simulation experimental device and experimental m...
Patent number
12,345,621
Issue date
Jul 1, 2025
SOUTHWEST PETROLEUM UNIVERSITY
Yang Liu
G01 - MEASURING TESTING
Information
Patent Grant
System for optimizing particle size distribution of lost circulatio...
Patent number
12,297,703
Issue date
May 13, 2025
SOUTHWEST PETROLEUM UNIVERSITY
Tianshou Ma
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Fluid-solid coupling numerical simulation method for evaluating eff...
Patent number
11,475,188
Issue date
Oct 18, 2022
Southwest Petroleum University
Yang Liu
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method of particle size distribution of particulate bridging lost c...
Patent number
11,397,839
Issue date
Jul 26, 2022
SOUTHWEST PETROLEUM UNIVERSITY
Gui Wang
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Systems and methods for determining in-situ stresses based on ortho...
Patent number
11,106,843
Issue date
Aug 31, 2021
SOUTHWEST PETROLEUM UNIVERSITY
Tianshou Ma
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Physical simulation and calibration device and method for formation...
Patent number
11,067,492
Issue date
Jul 20, 2021
Southwest Petroleum University
Tianshou Ma
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
FRACTURE PLUGGING SIMULATION EXPERIMENTAL DEVICE AND EXPERIMENTAL M...
Publication number
20250102413
Publication date
Mar 27, 2025
SOUTHWEST PETROLEUM UNIVERSITY
Yang LIU
G01 - MEASURING TESTING
Information
Patent Application
SYSTEM FOR OPTIMIZING PARTICLE SIZE DISTRIBUTION OF LOST CIRCULATIO...
Publication number
20250101819
Publication date
Mar 27, 2025
SOUTHWEST PETROLEUM UNIVERSITY
Tianshou MA
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Fluid-solid coupling numerical simulation method for evaluating eff...
Publication number
20220012389
Publication date
Jan 13, 2022
Southwest Petroleum University
Yang Liu
E21 - EARTH DRILLING MINING
Information
Patent Application
SYSTEMS AND METHODS FOR DETERMINING IN-SITU STRESSES BASED ON ORTHO...
Publication number
20210173976
Publication date
Jun 10, 2021
SOUTHWEST PETROLEUM UNIVERSITY
Tianshou MA
G01 - MEASURING TESTING
Information
Patent Application
DESIGN METHOD OF PARTICLE SIZE DISTRIBUTION OF PARTICULATE BRIDGING...
Publication number
20200394350
Publication date
Dec 17, 2020
SOUTHWEST PETROLEUM UNIVERSITY
Gui WANG
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
PHYSICAL SIMULATION AND CALIBRATION DEVICE AND METHOD FOR FORMATION...
Publication number
20200300746
Publication date
Sep 24, 2020
SouthWest Petroleum University
Tianshou MA
E21 - EARTH DRILLING MINING