Issued Patents All Time
Showing 76–81 of 81 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7112557 | Electrically conductive oil-based mud | — | 2006-09-26 |
| 7098171 | Synthetic filtration control polymers for wellbore fluids | — | 2006-08-29 |
| 6989354 | Invertible well bore servicing fluid | Robert S. Taylor, Ryan Foster | 2006-01-24 |
| 6908887 | Suspending agent | — | 2005-06-21 |
| 6691805 | Electrically conductive oil-based mud | — | 2004-02-17 |
| 5908814 | Drilling fluid additive and method for inhibiting hydration | Arvind D. Patel, Henry C. McLaurine, Emanuel Stamatakis | 1999-06-01 |