Inventor
CHEUNG PHILIP
FR19 patents
⚠️ This page may combine multiple inventors who share the name “CHEUNG PHILIP”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SCHLUMBERGER TECHNOLOGY CORP
9 patentsUS7242194B2Jul 10, 2007
Formation imaging while drilling in non-conductive fluids
SCHLUMBERGER TECHNOLOGY CORP72 citations97
US7119544B2Oct 10, 2006
Method and a tool for electrically investigating a wall of a borehole in a geologic formation
SCHLUMBERGER TECHNOLOGY CORP29 citations92
US7265553B2Sep 4, 2007
Method and apparatus for imaging earth formation
SCHLUMBERGER TECHNOLOGY CORP24 citations91
US6919724B2Jul 19, 2005
Method and apparatus for investigating the wall of a borehole
SCHLUMBERGER TECHNOLOGY CORP24 citations91
US6891377B2May 10, 2005
Conductive pad around electrodes for investigating the wall of a borehole in a geological formation
SCHLUMBERGER TECHNOLOGY CORP44 citations91
US7346454B2Mar 18, 2008
Method and apparatus for improved depth matching of borehole images or core images
SCHLUMBERGER TECHNOLOGY CORP18 citations82
US7751038B2Jul 6, 2010
Apparatus and method for obtaining images of a borehole
SCHLUMBERGER TECHNOLOGY CORP8 citations81
US7873475B2Jan 18, 2011
Device and method of measuring depth and azimuth
SCHLUMBERGER TECHNOLOGY CORP6 citations61
US7646480B2Jan 12, 2010
Borehole imaging
SCHLUMBERGER TECHNOLOGY CORP5 citations58