Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7984761 | Openhole perforating | Lawrence A. Behrmann, Ian C. Walton, Keng Seng Chan | 2011-07-26 |
| 7878246 | Methods of perforation using viscoelastic surfactant fluids and associated compositions | Mathew M. Samuel, Yerik Balabatyrov, Martin Griffith, Liz Morris | 2011-02-01 |