Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7950462 | Scale inhibitors compatible with sandstone acidizing | Zhijun Xiao, Francis Tuedor | 2011-05-31 |
| 7886822 | System, method, and apparatus for acid fracturing with scale inhibitor protection | John W. Still, Toan Bui | 2011-02-15 |