Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10876043 | Chelating agent for reservoir acidification and stimulating injection and its preparation method and application | Xianwen Li, Hongjun Lu, Yong Wang, Bin Yao, Zhenning Ji +6 more | 2020-12-29 |
| 10800963 | Pressure-reducing and injection-enhancing anti scaling agent for low-permeability water-injection well and preparation method thereof | Lei Sui, Suiwang Zhang, Xiaobing Lu, Hongjun Lu, Yong Wang +3 more | 2020-10-13 |
| 10544353 | Surfactant that changes the wettability of tight sandstone and its preparation method and application | Gang Guo, Zhongxing Li, Zhenfeng Zhao, Kuangsheng Zhang, Xiaojia Xue +6 more | 2020-01-28 |