4. Electricity: measuring and testing
  5. Of geophysical surface or subsurface in situ
  6. With radiant energy or nonconductive-type transmitter

Andrei I. Davydychev

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Extra bucking coils to balance induction arrays

Electricity: measuring and testing – Of geophysical surface or subsurface in situ – With radiant energy or nonconductive-type transmitter
Reexamination Certificate

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Method for determining an effective formation conductivity...

Data processing: measuring – calibrating – or testing – Measurement system in a specific environment – Earth science
Reexamination Certificate

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Selectable tap induction coil

Electricity: measuring and testing – Of geophysical surface or subsurface in situ – With radiant energy or nonconductive-type transmitter
Reexamination Certificate

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Profile ID: LFUS-PAI-P-3151563

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