Patents/Assignees

China University Of Petroleum-beijing

44 patents in portfolio

US11635157utility2023
Non-metallic Flexible Pipe and Manufacturing Method Thereof
0 cites
US11591865utility2023
Method, Device and System of Vibration Reduction Control on Installation of Deepwater Drilling Riser
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US11578251utility2023
Amphiphilic Block Polymer Ultralow-permeability Agent and Intelligent Temporary Plugging Type Water-based Drilling Fluid
0 cites
US11566156utility2023
Drilling Fluid Lubricant and Preparation Method and Use Thereof
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