Electricity: measuring and testing – Of geophysical surface or subsurface in situ – With radiant energy or nonconductive-type transmitter
Reexamination Certificate
2007-03-13
2009-10-06
Aurora, Reena (Department: 2862)
Electricity: measuring and testing
Of geophysical surface or subsurface in situ
With radiant energy or nonconductive-type transmitter
C324S334000
Reexamination Certificate
active
07598741
ABSTRACT:
The present invention improves measurement of the formation induction response in the presence of the primary magnetic field generated by a logging tool's transmitter. A structure is provided having a new combination of electrical and mechanical design features which provide logging tool for internal calibration and checking of antenna performance and characteristics before during and after well logging operations.
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Crosskno Michael S.
Fanini Otto N.
Forgang Stanislav W.
Aurora Reena
Baker Hughes Incorporated
Madan & Sriram, P.C.
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