Inventor
TROUILLER JEAN-CLAUDE
FR12 patents
Patents
12 patentsUS3978939ASep 7, 1976
Acoustic well logging methods and apparatus
SCHLUMBERGER TECHNOLOGY CORP44 citations92
US5036283AJul 30, 1991
Method and apparatus for measuring the resistivity of earth formations using anti-parallel active and passive focussing electrodes
SCHLUMBERGER TECHNOLOGY CORP44 citations90
US4020452AApr 26, 1977
Apparatus for use in investigating earth formations
SCHLUMBERGER TECHNOLOGY CORP32 citations88
US7124029B2Oct 17, 2006
Method for evaluating formation properties
SCHLUMBERGER TECHNOLOGY CORP28 citations86
US6369575B1Apr 9, 2002
Methods and apparatuses for measuring the resistivity of drilling mud in a borehole
SCHLUMBERGER TECHNOLOGY CORP14 citations82
US5754050AMay 19, 1998
Method and apparatus for measuring geometrical characteristics of a well, in particular a hydrocarbon well
SCHLUMBERGER TECHNOLOGY CORP12 citations73
US5399971AMar 21, 1995
Method and apparatus for evaluating formation resistivity using focused annular and azimuthal electrodes
SCHLUMBERGER TECHNOLOGY CORP14 citations73
US4219095AAug 26, 1980
Acoustic transducer
SCHLUMBERGER TECHNOLOGY CORP14 citations73
US6046593AApr 4, 2000
Method/apparatus for measuring mud resistivity using a focused-electrode system
SCHLUMBERGER TECHNOLOGY CORP15 citations72
US5268641ADec 7, 1993
Logging method and apparatus for measuring the Grondingen effect-corrected resistivity of earth formations
SCHLUMBERGER TECHNOLOGY CORP10 citations71
US4040001AAug 2, 1977
Acoustic well logging with threshold adjustment
SCHLUMBERGER TECHNOLOGY CORP12 citations69
US4042907AAug 16, 1977
Apparatus for preventing cycle skipping in processing acoustic well-logging signals
SCHLUMBERGER TECHNOLOGY CORP13 citations66