Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10094814 | Performance testing device for acid fracturing fluid and application thereof | Haiyan Wang, Yongjun Lu, Xiaohui Qiu, Hua Ming, Ping Liu +1 more | 2018-10-09 |
| 9856413 | Viscoelastic surfactant having multiple hydrophobic and hydrophilic groups as fracturing fluids | Jiang Yang, Yongjun Lu, Weixiang Cui, Xiaohui Qiu | 2018-01-02 |