YZ

Youzhi Zheng

PL Petrochina Company Limited: 2 patents #19 of 231Top 9%
Overall (2021): #94,994 of 548,734Top 20%
2
Patents 2021

Issued Patents 2021

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11112398 Apparatus and method for determining volume stability of well cement Fuyun Wang, Jie Li, Huiyun Ma, Libin Jiao, Tao Yang +2 more 2021-09-07
10928282 Method and device for determining elasticity of cement stone utilized in well cementing of oil-gas well Bo Kong, Jie Li, Huiyun Ma, Yu SANG, Tao Yang +15 more 2021-02-23