Electricity: measuring and testing – Of geophysical surface or subsurface in situ – With radiant energy or nonconductive-type transmitter
Reexamination Certificate
2011-06-28
2011-06-28
Aurora, Reena (Department: 2858)
Electricity: measuring and testing
Of geophysical surface or subsurface in situ
With radiant energy or nonconductive-type transmitter
Reexamination Certificate
active
07969153
ABSTRACT:
A reactance is introduced into a flow path of axial currents in an induction logging tool. The reactance may be a capacitor or an inductor. A transmitter antenna is operated at a frequency defined by a cutoff frequency related to the reactance.
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Forgang Stanislav W.
Gold Randy
Pelegri Luis M.
Aurora Reena
Baker Hughes Incorporated
Mossman Kumar & Tyler PC
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