Electricity: measuring and testing – Of geophysical surface or subsurface in situ – With radiant energy or nonconductive-type transmitter
Reexamination Certificate
2006-04-03
2010-11-23
Assouad, Patrick J (Department: 2858)
Electricity: measuring and testing
Of geophysical surface or subsurface in situ
With radiant energy or nonconductive-type transmitter
C324S339000, C324S202000
Reexamination Certificate
active
07839148
ABSTRACT:
A method and related system calibrating downhole tools for drift. Some of the illustrative embodiments are a logging tool comprising a tool body, a transmitter antenna associated with the tool body, a transmitter electronics coupled to the transmitter antenna, a first receiver antenna associated with the tool body, a first receiver electronics coupled to the first receiver antenna, and a signal generator separate from the first transmitter electronics, the signal generator coupled to the first receiver electronics, and the first signal generator provides a calibration signal to the first receiver electronics.
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Beste Randal T.
Bittar Michael S.
Freeman James J.
Golla Christopher A.
Vehra Imran
Assouad Patrick J
Conley & Rose, P.C.
Halliburton Energy Service,s Inc.
Schindler David M.
Scott Mark E.
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