Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7878246 | Methods of perforation using viscoelastic surfactant fluids and associated compositions | Mathew M. Samuel, Yerik Balabatyrov, Frank F. Chang, Martin Griffith | 2011-02-01 |