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Shandong, CN
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Patents Grants
last 30 patents
Information
Patent Grant
Device and method for simulating gas intrusion and bullheading in w...
Patent number
12,071,849
Issue date
Aug 27, 2024
CHINA UNIVERSITY OF PETROLEUM (EAST CHINA)
Bangtang Yin
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Drilling well underground kick processing method and device with se...
Patent number
11,773,709
Issue date
Oct 3, 2023
CHINA UNIVERSITY OF PETROLEUM (EAST CHINA)
Yonghai Gao
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method and equipment for optimizing hydraulic parameters of deepwat...
Patent number
11,203,922
Issue date
Dec 21, 2021
CHINA UNIVERSITY OF PETROLEUM (EAST CHINA)
Baojiang Sun
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Wellbore pressure control system and method for offshore well cemen...
Patent number
9,631,454
Issue date
Apr 25, 2017
China University of Petroleum (East China)
Baojiang Sun
E21 - EARTH DRILLING MINING
Information
Patent Grant
Subsea wellhead pressure indicating and automatic adjusting device...
Patent number
9,605,499
Issue date
Mar 28, 2017
China University of Petroleum (East China)
Baojiang Sun
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
DEVICE AND METHOD FOR SIMULATING GAS INTRUSION AND BULLHEADING IN W...
Publication number
20240240557
Publication date
Jul 18, 2024
China University of Petroleum (East China)
Bangtang YIN
E21 - EARTH DRILLING MINING
Information
Patent Application
DRILLING WELL UNDERGROUND KICK PROCESSING METHOD AND DEVICE WITH SE...
Publication number
20230287781
Publication date
Sep 14, 2023
China University of Petroleum (East China)
Yonghai Gao
E21 - EARTH DRILLING MINING