Electricity: measuring and testing – Of geophysical surface or subsurface in situ – With radiant energy or nonconductive-type transmitter
Patent
1992-05-27
1995-07-18
O'Shea, Sandra L.
Electricity: measuring and testing
Of geophysical surface or subsurface in situ
With radiant energy or nonconductive-type transmitter
324341, G01V 330
Patent
active
054345073
ABSTRACT:
A two-dimensional array of slot antennas which can provide two-dimensional quantitative dielectric and conductivity images of formations in the region surrounding an earth borehole. The antennas are mounted in a wall-engaging member of a logging device that is moveable through the borehole. Selected ones of the antennas are energized at given times to transmit electromagnetic energy into the formations, the electromagnetic energy being received at other antennas for processing to obtain formation properties.
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Beren Jeffrey A.
Habashy Tarek M.
Hsu Yupai P.
Mariani David R.
Safinya Kambiz A.
Edmonds Warren S.
Novack Martin M.
O'Shea Sandra L.
Pojunas Leonard W.
Schlumberger Technology Corporation
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