Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8002032 | Hydraulic overshot with removable setting and testing core | Fredrick Wong | 2011-08-23 |
| 7938137 | Method of direct hot tapping into a multiple production string without removing outer layers of casing | Richard J. Robichaux, John W Angers, Jr. | 2011-05-10 |