Issued Patents All Time
Showing 26–40 of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7759942 | Lightweight, low cost structure for formation conductivity measuring instrument | Brian Clark | 2010-07-20 |
| 7692428 | Retrievable formation resistivity tool | Brian Clark, John F. Hunka, David L. Smith, Dhananjay Ramaswamy, Anthony Collins +1 more | 2010-04-06 |
| 7525315 | Resistivity logging tool and method for building the resistivity logging tool | Mark A. Fredette, James Stephen Hall, Dominique Dion | 2009-04-28 |
| 7279889 | System and method for calibration of well logging tools | — | 2007-10-09 |
| 7187297 | Methods for sealing openings in tubulars | Brian Clark, John F. Hunka, David L. Smith, Dhananjay Ramaswamy, Anthony Collins +1 more | 2007-03-06 |
| 7059428 | Monitoring a reservoir in casing drilling operations using a modified tubular | David L. Smith, Brian Clark, Jan W. Smits | 2006-06-13 |
| 6975243 | Downhole tubular with openings for signal passage | Brian Clark, John F. Hunka, David L. Smith, Dhananjay Ramaswamy, Anthony Collins +1 more | 2005-12-13 |
| 6903660 | Inductively-coupled system for receiving a run-in tool | Brian Clark, John F. Hunka, David L. Smith, Dhananjay Ramaswamy, Anthony Collins +1 more | 2005-06-07 |
| 6885308 | Logging while tripping with a modified tubular | David L. Smith | 2005-04-26 |
| 6863127 | System and method for making an opening in a subsurface tubular for reservoir monitoring | Brian Clark, Martin G. Luling, Dhananjay Ramaswamy, Anthony Collins | 2005-03-08 |
| 6836218 | Modified tubular equipped with a tilted or transverse magnetic dipole for downhole logging | Dzevat Omeragic, Jacques R. Tabanou | 2004-12-28 |
| 6727705 | Subsurface monitoring and borehole placement using a modified tubular equipped with tilted or transverse magnetic dipoles | Dzevat Omeragic, Jacques R. Tabanou | 2004-04-27 |
| 6614229 | System and method for monitoring a reservoir and placing a borehole using a modified tubular | Brian Clark, Martin G. Luling, Dhananjay Ramaswamy, Anthony Collins | 2003-09-02 |
| 6577244 | Method and apparatus for downhole signal communication and measurement through a metal tubular | Brian Clark, John F. Hunka, David L. Smith, Dhananjay Ramaswamy, Anthony Collins +1 more | 2003-06-10 |
| 6373254 | Method and apparatus for controlling the effect of contact impedance on a galvanic tool in a logging-while-drilling application | Dominique Dion, James Stephen Hall, Qiming Li, Richard A. Rosthal, Mark A. Fredette | 2002-04-16 |