CD

Christopher Durrand

Schlumberger Technology: 11 patents #530 of 7,293Top 8%
Overall (All Time): #277,774 of 4,157,543Top 7%
17
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
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