Issued Patents 2011
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8082982 | Methods and devices for forming a wellbore with casing | Donald E. Mosing, Samuel P. Hawkins, III, David L. Sipos, Keith T. Lutgring | 2011-12-27 |
| 8047278 | Hydraulic connector apparatuses and methods of use with downhole tubulars | George Swietlik, Robert Large | 2011-11-01 |
| 7874361 | Methods and devices for forming a wellbore with casing | Donald E. Mosing, Samuel P. Hawkins, III, David L. Sipos, Keith T. Lutgring | 2011-01-25 |
| 7866390 | Casing make-up and running tool adapted for fluid and cement control | Keith T. Lutgring, Samuel P. Hawkins, III | 2011-01-11 |