Communications: electrical – Wellbore telemetering or control
Reexamination Certificate
2006-08-15
2006-08-15
Wong, Albert K. (Department: 2635)
Communications: electrical
Wellbore telemetering or control
C702S011000, C702S007000, C324S338000, C324S339000
Reexamination Certificate
active
07091877
ABSTRACT:
A logging tool includes a tool body; a simple transmitter comprising a single antenna disposed on the tool body; four simple receivers, each comprising a single antenna, disposed on the tool body and spaced apart from the simple transmitter to form four arrays; and an electronic module for controlling operation of the four arrays, wherein the simple transmitter is configured to generate a magnetic field having a transverse component, wherein each of the four simple receivers is sensitive to the magnetic field generated by the simple transmitter, and at least one of the four simple receivers is sensitive to the transverse component of the magnetic field generated by the simple transmitter, and wherein the four arrays are configured to provide measurements at at least three depths of investigation.
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Barber Thomas D.
Bonner Stephen D.
Chen Kuo-Chiang
Homan Dean M.
Minerbo Gerald N.
McEnaney Kevin P.
Schlumberger Technology Corporation
Segura Victor H.
White Bryan L.
Wong Albert K.
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