Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7926590 | Method of liner drilling and cementing utilizing a concentric inner string | Michael Brouse | 2011-04-19 |
| 7886847 | Monitoring flow rates while retrieving bottom hole assembly during casing while drilling operations | Michael E. Moffitt, Tommy M. Warren | 2011-02-15 |