Issued Patents 2011
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8066085 | Stochastic bit noise control | Michael Charles Sheppard, Geoff Downton | 2011-11-29 |
| 7971661 | Motor bit system | Geoffrey C. Downton, John Cook | 2011-07-05 |
| 7963325 | Method and system for fracturing subsurface formations during the drilling thereof | Benjamin Peter Jeffryes, J. Ernest Brown | 2011-06-21 |
| 7946341 | Systems and methods for distributed interferometric acoustic monitoring | Arthur H. Hartog, J. Ernest Brown, John Cook, Jonathan Elphick, Paul Hammond | 2011-05-24 |
| 7942214 | Steerable drilling system | John Cook, Paul A. Wand, Steven Hart | 2011-05-17 |