Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6793018 | Fracturing using gel with ester delayed breaking | Hoang Van Le | 2004-09-21 |
| 6772838 | Lightweight particulate materials and uses therefor | Allan R. Rickards | 2004-08-10 |
| 6767868 | Breaker system for fracturing fluids used in fracturing oil bearing formations | Subramanian Kesavan, Hoang Van Le | 2004-07-27 |
| 6756345 | Well service composition and method | Marek K. Pakulski | 2004-06-29 |