Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8176986 | Method of circulating while retrieving bottom hole assembly in casing | Tommy M. Warren, Preston T. Honeycutt | 2012-05-15 |
| 7926578 | Liner drilling system and method of liner drilling with retrievable bottom hole assembly | Michael E. Moffitt | 2011-04-19 |
| 7926590 | Method of liner drilling and cementing utilizing a concentric inner string | Erik P. Eriksen | 2011-04-19 |
| 7845417 | Method of circulating while retrieving downhole tool in casing | Tommy M. Warren, Preston T. Honeycutt | 2010-12-07 |
| 7784552 | Liner drilling method | — | 2010-08-31 |