| 8408336 |
Flow guide actuation |
David R. Hall, Scott Dahlgren, Paula Turner, Jonathan Marshall |
2013-04-02 |
| 8316964 |
Drill bit transducer device |
David R. Hall, Paula Turner, Daryl Wise |
2012-11-27 |
| 8267196 |
Flow guide actuation |
David R. Hall, Scott Dahlgren, Paula Turner, Jonathan Marshall |
2012-09-18 |
| 8237584 |
Changing communication priorities for downhole LWD/MWD applications |
David R. Hall, Brad Barger |
2012-08-07 |
| 8140259 |
Location device with a gravity measuring device |
David R. Hall, David Lundgreen, Mark Schwartz |
2012-03-20 |
| 8130117 |
Drill bit with an electrically isolated transmitter |
David R. Hall, Paula Turner |
2012-03-06 |
| 8061784 |
Retention system |
David R. Hall, Scott Dahlgren, Jonathan Marshall, Italo Elqueta, Tyson J. Wilde |
2011-11-22 |
| 8061443 |
Downhole sample rate system |
David R. Hall, Paula Turner |
2011-11-22 |
| 8033615 |
Retention system |
David R. Hall, Scott Dahlgren, Jonathan Marshall, Italo Elqueta, Tyson J. Wilde |
2011-10-11 |
| 7969819 |
Method for taking time-synchronized seismic measurements |
David R. Hall |
2011-06-28 |
| 7946656 |
Retention system |
David R. Hall, Scott Dahlgren, Jonathan Marshall, Italo Elqueta, Tyson J. Wilde |
2011-05-24 |
| 7598886 |
System and method for wirelessly communicating with a downhole drill string |
David R. Hall, Paula Turner, Joe Fox |
2009-10-06 |
| 7572134 |
Centering assembly for an electric downhole connection |
David R. Hall, Joe Fox, Tyson J. Wilde |
2009-08-11 |
| 7453768 |
High-speed, downhole, cross well measurement system |
David R. Hall, Joe Fox |
2008-11-18 |
| 7426968 |
Drill bit assembly with a probe |
David R. Hall, Francis Leany, Paula Turner, David Lundgreen, Daryl Wise |
2008-09-23 |
| 7398837 |
Drill bit assembly with a logging device |
David R. Hall, Francis Leany, Paula Turner |
2008-07-15 |
| 7265649 |
Flexible inductive resistivity device |
David R. Hall, Paula Turner, Joe Fox, Tyson J. Wilde |
2007-09-04 |