Issued Patents 2018
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10000684 | Drilling fluid additive composition, and oil-based drilling fluid and use thereof | Guancheng Jiang, Shuanglei Peng, Yinbo He, Deli Gao, Lili Yang +6 more | 2018-06-19 |