Electricity: measuring and testing – Of geophysical surface or subsurface in situ – With radiant energy or nonconductive-type transmitter
Reexamination Certificate
2008-01-15
2010-06-15
Aurora, Reena (Department: 2858)
Electricity: measuring and testing
Of geophysical surface or subsurface in situ
With radiant energy or nonconductive-type transmitter
C324S338000, C324S339000, C702S007000
Reexamination Certificate
active
07737697
ABSTRACT:
Multi-component induction measurements are made using a resistivity logging tool in an anistropic earth formation. A subset of the multi-component measurements are inverted to first determine horizontal resistivities. Using the determined horizontal resistivities and another subset of the multi-component measurements, the vertical resistivities are obtained. Results of using the in-phase signals are comparable to those obtained using multifrequency focusing of quadrature signals.
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Kriegshäuser Berthold
Yu Liming
Aurora Reena
Baker Hughes Incorporated
Mossman Kumar & Tyler PC
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