Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8006761 | Wellbore fluid comprising a base fluid and a particulate bridging agent | Christopher Alan Sawdon | 2011-08-30 |
| 7943554 | Wellbore fluid comprising at least one polymer containing pendant alkyl groups | Christopher Alan Sawdon | 2011-05-17 |
| 7919437 | Wellbore fluid comprising sulfonated copolymers with pendant alkyl groups | Christopher Alan Sawdon | 2011-04-05 |
| 7854277 | Wellbore fluid comprising a base fluid and a particulate bridging agent | Christopher Alan Sawdon | 2010-12-21 |
| 7332459 | Method for scale inhibition in oil wells | Ian Ralph Collins | 2008-02-19 |
| 6464859 | Process for deacidifying a crude oil system | Christopher George Osborne | 2002-10-15 |
| 6436877 | Hydrate inhibition | Christopher George Osborne, Antony Edwards | 2002-08-20 |
| 6251836 | Hydrate inhibition | Antony Edwards, Keith James, Christopher George Osborne | 2001-06-26 |
| 6140276 | Wax deposit inhibitors | Keith James, Christopher George Osborne | 2000-10-31 |
| 6063972 | Hydrate inhibition | Antony Edwards, Christopher George Osborne | 2000-05-16 |
| 5331105 | Method for inhibiting hydrate formation | Antony Edwards, Christopher George Osborne | 1994-07-19 |