Issued Patents 2018
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9909050 | High density and high temperature emulsifier for use in an oil based drilling fluid system | Fuchen Liu, Zhenzhou Yang | 2018-03-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9909050 | High density and high temperature emulsifier for use in an oil based drilling fluid system | Fuchen Liu, Zhenzhou Yang | 2018-03-06 |