CQ

Congfeng Qu

CL Cnpc Engineering Technology R&D Company Limited: 3 patents #13 of 150Top 9%
CP China National Petroleum: 2 patents #49 of 316Top 20%
BC Beijing Huamei Inc. Cnpc: 1 patents #6 of 40Top 15%
PL Petrochina Company Limited: 1 patents #264 of 890Top 30%
Overall (All Time): #1,331,167 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
12391861 Cement slurry system, preparation method therefor and use thereof Jianzhou Jin, Yuchao Guo, Hong Yue, Youcheng Zheng, Hua Zhang +20 more 2025-08-19
12305116 Ultra-high temperature resistant cement slurry system for cementing and preparation method and use thereof Jianzhou Jin, Lili Chen, Yuchao Guo, Hua Zhang, Fuchen Liu +25 more 2025-05-20
11926787 Well cementing method for improving well cementing quality by controlling hydration heat of cement slurry Shuoqiong Liu, Hua Zhang, Jianzhou Jin, Ming Xu, Yongjin Yu +20 more 2024-03-12