Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7692428 | Retrievable formation resistivity tool | Brian Clark, John F. Hunka, Mark Frey, David L. Smith, Anthony Collins +1 more | 2010-04-06 |
| 7187297 | Methods for sealing openings in tubulars | Brian Clark, John F. Hunka, Mark Frey, David L. Smith, Anthony Collins +1 more | 2007-03-06 |
| 6975243 | Downhole tubular with openings for signal passage | Brian Clark, John F. Hunka, Mark Frey, David L. Smith, Anthony Collins +1 more | 2005-12-13 |
| 6903660 | Inductively-coupled system for receiving a run-in tool | Brian Clark, John F. Hunka, Mark Frey, David L. Smith, Anthony Collins +1 more | 2005-06-07 |
| 6863127 | System and method for making an opening in a subsurface tubular for reservoir monitoring | Brian Clark, Martin G. Luling, Mark Frey, Anthony Collins | 2005-03-08 |
| 6614229 | System and method for monitoring a reservoir and placing a borehole using a modified tubular | Brian Clark, Martin G. Luling, Mark Frey, Anthony Collins | 2003-09-02 |
| 6577244 | Method and apparatus for downhole signal communication and measurement through a metal tubular | Brian Clark, John F. Hunka, Mark Frey, David L. Smith, Anthony Collins +1 more | 2003-06-10 |