Inventor
RADTKE RICHARD J
US13 patents
⚠️ This page may combine multiple inventors who share the name “RADTKE RICHARD J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SCHLUMBERGER TECHNOLOGY CORP
8 patentsUS6648083B2Nov 18, 2003
Method and apparatus for measuring mud and formation properties downhole
SCHLUMBERGER TECHNOLOGY CORP66 citations95
US6944548B2Sep 13, 2005
Formation evaluation through azimuthal measurements
SCHLUMBERGER TECHNOLOGY CORP44 citations89
US7642507B2Jan 5, 2010
Apparatus and methods for interlaced density and neutron measurements
SCHLUMBERGER TECHNOLOGY CORP14 citations84
US7339161B2Mar 4, 2008
Shielded pads for detecting subsurface radiation phenomena
SCHLUMBERGER TECHNOLOGY CORP5 citations71
US6696684B2Feb 24, 2004
Formation evaluation through azimuthal tool-path identification
SCHLUMBERGER TECHNOLOGY CORP11 citations71
US9696455B2Jul 4, 2017
Automated control of electrically operated radiation generators
SCHLUMBERGER TECHNOLOGY CORP4 citations67
US6903330B2Jun 7, 2005
Multi-point subsurface measurement calibration
SCHLUMBERGER TECHNOLOGY CORP5 citations61
US7566868B2Jul 28, 2009
Shielded pads for detecting subsurface radiation phenomena
SCHLUMBERGER TECHNOLOGY CORP0 citations49