Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10829680 | High density and high temperature emulsifier for use in an oil based drilling fluid system | Chun Zhou, Fuchen Liu | 2020-11-10 |
| 10815419 | Method for a fracturing fluid system at high temperatures | Lulu Song | 2020-10-27 |