HM

Huiyun Ma

PL Petrochina Company Limited: 2 patents #1 of 83Top 2%
Overall (2024): #160,090 of 561,600Top 30%
2
Patents 2024

Issued Patents 2024

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11994011 Permanent packer and extended gas lift method using permanent packer Weilin Wang, Changqing Ye, Hao Tan, Hanbing Tang, Daogang Cai +8 more 2024-05-28
11946349 Downhole throttling device based on wireless control Jun Xie, Jian Yang, Chenggang Yu, Yukun Fu, Qiang Yin +6 more 2024-04-02