Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7654319 | Closed loop multiphase underbalanced drilling process | Jeffrey Charles Saponja, David Hosie | 2010-02-02 |
| 7178592 | Closed loop multiphase underbalanced drilling process | Jeffrey Charles Saponja, David Hosie | 2007-02-20 |
| 7066247 | Methods and apparatus for drilling with a multiphase pump | Bryan V. Butler, Darcy Nott, Jeffrey Charles Saponja, Peter Barnes Moyes | 2006-06-27 |
| 6966367 | Methods and apparatus for drilling with a multiphase pump | Bryan V. Butler, Darcy Nott, Jeffrey Charles Saponja, Peter Barnes Moyes | 2005-11-22 |
| 6929068 | Non-cryogenic production of nitrogen for on-site injection in well clean out | — | 2005-08-16 |
| 6494262 | Non-cryogenic production of nitrogen for on-site injection in well clean out | — | 2002-12-17 |