Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE40648 | System and method for downhole operation using pressure activated valve and sliding sleeve | Dewayne Turner, Marvin Bryce Traweek | 2009-03-10 |
| 7152678 | System and method for downhole operation using pressure activated valve and sliding sleeve | Dewayne Turner, Marvin Bryce Traweek | 2006-12-26 |
| 6722440 | Multi-zone completion strings and methods for multi-zone completions | Dewayne Turner, Marvin Bryce Traweek | 2004-04-20 |