Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6762154 | Viscoelastic surfactant fluids stable at high brine concentrations | Bernhard Lungwitz, Mark Brady, Sylvie Daniel, Colin Price-Smith, Elizabeth Morris | 2004-07-13 |
| 6752206 | Sand control method and apparatus | Graham Watson, Geoffrey Kernick, Colin Price-Smith | 2004-06-22 |
| 6725929 | Circulation tool for use in gravel packing of wellbores | Harold Steven Bissonnette, Jake A. Danos, Colin Price-Smith | 2004-04-27 |