Inventor

HUNKA JOHN F

US7 patents

Patents

7 patents

US4651101AMar 17, 1987

Induction logging sonde with metallic support

SCHLUMBERGER TECHNOLOGY CORP141 citations96

US4873488AOct 10, 1989

Induction logging sonde with metallic support having a coaxial insulating sleeve member

SCHLUMBERGER TECHNOLOGY CORP119 citations94

US7501829B2Mar 10, 2009

Extra bucking coils as an alternative way to balance induction arrays

SCHLUMBERGER TECHNOLOGY CORP8 citations81

US7417436B2Aug 26, 2008

Selectable tap induction coil

SCHLUMBERGER TECHNOLOGY CORP4 citations60

US7671597B2Mar 2, 2010

Composite encased tool for subsurface measurements

SCHLUMBERGER TECHNOLOGY CORP4 citations58

US7679366B2Mar 16, 2010

Selectable tap induction coil

SCHLUMBERGER TECHNOLOGY CORP0 citations50

US7812608B2Oct 12, 2010

Extra bucking coils to balance induction arrays

SCHLUMBERGER TECHNOLOGY CORP1 citations49