Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9297249 | Method for improving wellbore survey accuracy and placement | Graham A. McElhinney, Euan Forbes, Kenneth Stenerson | 2016-03-29 |
| 8947094 | At-bit magnetic ranging and surveying | Graham A. McElhinney, Kenneth Stenerson, Euan Forbes | 2015-02-03 |
| 7712519 | Transverse magnetization of casing string tubulars | Graham A. McElhinney | 2010-05-11 |
| 7679480 | Method for magnetizing casing string tubulars | Kenneth Stenerson, Graham A. McElhinney | 2010-03-16 |
| 7679481 | Magnetized casing string tubulars | Kenneth Stenerson, Graham A. McElhinney | 2010-03-16 |
| 7538650 | Apparatus and method for magnetizing casing string tubulars | Kenneth Stenerson, Graham A. McElhinney | 2009-05-26 |