Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11339627 | Method of establishing a cement plug in an annular region between a first and a second casing | Craig Usher, Grant Knight | 2022-05-24 |
| 10995607 | System and method for testing a barrier in a well from below | Grant Knight, Craig Usher | 2021-05-04 |
| 10808477 | Downhole annular flow diverter | Grant Knight, Craig Usher | 2020-10-20 |