Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10450501 | Method for a fracturing fluid system at high temperatures | Lulu Song | 2019-10-22 |
| 10280357 | High density and high temperature emulsifier for use in an oil based drilling fluid system | Chun Zhou, Fuchen Liu | 2019-05-07 |