Inventor
HACHE JEAN-MICHEL
US23 patents
⚠️ This page may combine multiple inventors who share the name “HACHE JEAN-MICHEL”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SCHLUMBERGER TECHNOLOGY CORP
18 patentsUS6769487B2Aug 3, 2004
Apparatus and method for actively cooling instrumentation in a high temperature environment
SCHLUMBERGER TECHNOLOGY CORP90 citations98
US6662110B1Dec 9, 2003
Drilling rig closed loop controls
SCHLUMBERGER TECHNOLOGY CORP204 citations98
US6604922B1Aug 12, 2003
Optimized fiber reinforced liner material for positive displacement drilling motors
SCHLUMBERGER TECHNOLOGY CORP83 citations98
US6308137B1Oct 23, 2001
Method and apparatus for communication with a downhole tool
SCHLUMBERGER TECHNOLOGY CORP180 citations98
US7114562B2Oct 3, 2006
Apparatus and method for acquiring information while drilling
SCHLUMBERGER TECHNOLOGY CORP146 citations97
US7040415B2May 9, 2006
Downhole telemetry system and method
SCHLUMBERGER TECHNOLOGY CORP81 citations97
US6453239B1Sep 17, 2002
Method and apparatus for borehole surveying
SCHLUMBERGER TECHNOLOGY CORP171 citations96
US4879463ANov 7, 1989
Method and apparatus for subsurface formation evaluation
SCHLUMBERGER TECHNOLOGY CORP146 citations96
US6220087B1Apr 24, 2001
Method for determining equivalent static mud density during a connection using downhole pressure measurements
SCHLUMBERGER TECHNOLOGY CORP62 citations95
US5432699AJul 11, 1995
Motion compensation apparatus and method of gyroscopic instruments for determining heading of a borehole
SCHLUMBERGER TECHNOLOGY CORP76 citations95
US7133325B2Nov 7, 2006
Apparatus and method for generating electrical power in a borehole
SCHLUMBERGER TECHNOLOGY CORP62 citations94
US7263880B2Sep 4, 2007
Method for measuring formation properties with a time-limited formation test
SCHLUMBERGER TECHNOLOGY CORP24 citations92
US6944935B2Sep 20, 2005
Method of forming an optimized fiber reinforced liner on a rotor with a motor
SCHLUMBERGER TECHNOLOGY CORP36 citations92
US6827149B2Dec 7, 2004
Method and apparatus for conveying a tool in a borehole
SCHLUMBERGER TECHNOLOGY CORP26 citations92
US6761230B2Jul 13, 2004
Downhole drilling apparatus and method for using same
SCHLUMBERGER TECHNOLOGY CORP56 citations92
US7311142B2Dec 25, 2007
Apparatus and method for aquiring information while drilling
SCHLUMBERGER TECHNOLOGY CORP18 citations91
US6378363B1Apr 30, 2002
Method for obtaining leak-off test and formation integrity test profiles from limited downhole pressure measurements
SCHLUMBERGER TECHNOLOGY CORP19 citations91
US4814609AMar 21, 1989
Methods and apparatus for safely measuring downhole conditions and formation characteristics while drilling a borehole
SCHLUMBERGER TECHNOLOGY CORP31 citations91