Issued Patents 2011
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8079415 | Wellbore intervention tool | — | 2011-12-20 |
| 7971661 | Motor bit system | Ashley Bernard Johnson, Geoffrey C. Downton | 2011-07-05 |
| 7946341 | Systems and methods for distributed interferometric acoustic monitoring | Arthur H. Hartog, J. Ernest Brown, Jonathan Elphick, Paul Hammond, Ashley Bernard Johnson | 2011-05-24 |
| 7942214 | Steerable drilling system | Ashley Bernard Johnson, Paul A. Wand, Steven Hart | 2011-05-17 |
| 7931091 | Open-hole wellbore lining | Louise Bailey, Armelle Payen, Sylvie Daniel, Mickael Allouche | 2011-04-26 |