Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11512548 | Downhole casing pulling tool | Michael Smalley | 2022-11-29 |
| 11333004 | Piston initiator for sidetrack assembly | James H. Taylor | 2022-05-17 |
| 10954736 | Downhole casing pulling tool | Michael Smalley | 2021-03-23 |
| 10000986 | Dual string section mill | Charles H. Dewey | 2018-06-19 |
| 9322227 | Radially expandable stabilizer | James A. Simpson, Charles H. Dewey | 2016-04-26 |
| 9194201 | System and method for deploying a downhole casing patch | James A. Simson | 2015-11-24 |
| 9097073 | Dual string section mill | Charles H. Dewey | 2015-08-04 |
| 8887798 | Hydraulic stabilizer for use with a downhole casing cutter | James A. Simson, Charles H. Dewey | 2014-11-18 |
| 7597158 | Drilling and hole enlargement device | John E. Campbell, Charles H. Dewey, Lance D. Underwood | 2009-10-06 |
| 7506703 | Drilling and hole enlargement device | John E. Campbell, Charles H. Dewey, Lance D. Underwood | 2009-03-24 |
| 7267185 | Bit retainer system | Lance D. Underwood | 2007-09-11 |
| 6992951 | Permanent seafloor seismic recording system utilizing micro electro-mechanical systems seismic sensors and method of deploying same | Thomas Edward O'Brien, Magne Oldervoll, Leon Lovheim, Allen J. Bishop, William P. Campbell +2 more | 2006-01-31 |