Electricity: measuring and testing – Of geophysical surface or subsurface in situ – With radiant energy or nonconductive-type transmitter
Patent
1989-06-20
1990-08-14
Eisenzopf, Reinhard J.
Electricity: measuring and testing
Of geophysical surface or subsurface in situ
With radiant energy or nonconductive-type transmitter
G01V 318
Patent
active
049490451
ABSTRACT:
A well logging apparatus is disclosed including a cylindrical housing with a transmitting antenna and first and second receiving antennas. The antennas are formed on insulating material in recesses in the housing and have a waterproof rubber covering. The receiving antennas have adjacent compartments containing signal conditioning circuits.
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Clark Brian
Jundt Jacques
Luling Martin
Ross Michael O.
Borst Stephen L.
Eisenzopf Reinhard J.
Novack Martin
Ryberg John J.
Schlumberger Technology Corporation
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