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CO China National Offshore Oil: 1 patents #30 of 142Top 25%
CL China Oilfield Services Limited: 1 patents #31 of 78Top 40%
Overall (All Time): #2,376,626 of 4,157,543Top 60%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12188919 Method and system for measuring composition and property of formation fluid Youxiang Zuo, Yongren Feng, Tao-Cheng Lu, Yang Shen, Xiaofei Qin +4 more 2025-01-07