Electricity: measuring and testing – Of geophysical surface or subsurface in situ – Using electrode arrays – circuits – structure – or supports
Reexamination Certificate
2011-04-05
2011-04-05
Patidar, Jay M (Department: 2858)
Electricity: measuring and testing
Of geophysical surface or subsurface in situ
Using electrode arrays, circuits, structure, or supports
Reexamination Certificate
active
07919965
ABSTRACT:
A source arrangement for generating electrogmagnetic (EM) wavefields, comprising an EM signal generator, at least three electrodes (141-144) connected to the generator, and a control system. The electrodes are spaced apart but not all in line. The control system is arranged to apply non-coincident time-varying signals or transmissions from the generator between different pairs of the electrodes. The non-coincidence can be by applying the signals sequentially or by applying the signals out of phase.
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Eidesmo Terje
Ellingsrud Svein
Langeland Jan-Aage
Schaug-Pettersen Tor
Electromagnetic Geoservices AS
Patidar Jay M
Patterson Thuente Christensen Pedersen , P.A.
LandOfFree
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