Inventor
HAZEN GARY A
US11 patents
Patents
11 patentsUS6690170B2Feb 10, 2004
Antenna structures for electromagnetic well logging tools
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US7193420B2Mar 20, 2007
Insulated sleeve with conductive electrodes to reduce borehole effects for an induction tool
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US7023212B2Apr 4, 2006
Insulated sleeve with conductive electrodes to reduce borehole effects for an induction tool
SCHLUMBERGER TECHNOLOGY CORP15 citations92
US6933726B2Aug 23, 2005
Apparatus and methods for reducing borehole current effects
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US4965522AOct 23, 1990
Multifrequency signal transmitter with attenuation of selected harmonies for an array induction well logging apparatus
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US6002257ADec 14, 1999
Method and apparatus for well bore hole-finding with simultaneous borehole or formation sensing
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US7812609B2Oct 12, 2010
Antennas for deep induction array tools with increased sensitivities
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US4546315AOct 8, 1985
Apparatus for measuring the inside diameter of a metallic pipe in a well
SCHLUMBERGER TECHNOLOGY CORP17 citations73
US6102115AAug 15, 2000
Integral standoff of induction sondes to minimize correction of borehole conductivity effects
SCHLUMBERGER TECHNOLOGY CORP8 citations64
US6898997B2May 31, 2005
Apparatus and method for stripping insulated wire
SCHLUMBERGER TECHNOLOGY CORP5 citations55
US10370961B2Aug 6, 2019
Downhole tool and electronics packaging configuration therefor
SCHLUMBERGER TECHNOLOGY CORP0 citations32