SZ

Songmei Zhang

Overall (All Time): #1,747,639 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11898414 Method for filling oil-gas well of fractured oil-gas reservoir with isolation particles to reduce water and increase oil production Bailin Pei, Guojiang Feng, Hailong Wang 2024-02-13
9664014 Method and system for segmental flow control in oil-gas well Bailin Pei, Yong Xue 2017-05-30