Electromagnetic logging apparatus with button antennas for measu

Details Electromagnetic logging apparatus with button antennas for measu Electromagnetic logging apparatus with button antennas for measu

1984-12-28

1987-03-24

Eisenzopf, Reinhard J.

Electricity: measuring and testing

Of geophysical surface or subsurface in situ

With radiant energy or nonconductive-type transmitter

324341, 324347, G01V 330

Patent

active

046528296

ABSTRACT:
An electromagnetic logging apparatus is disclosed which employs dielectric-filled button antennas, in conjunction with tuning elements, to obtain improved operation. The apparatus can be used to measure the dielectric constant of formations surrounding a borehole.

REFERENCES:
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patent: 4590480 (1986-05-01), Nikolayuk et al.
Freedman et al., "Theory of Microwave Dielectric Constant Logging Using the Electromagnetic Wave Propagation Method", Geophysics, vol. 44, No. 5, 5/1979, pp. 969-986.

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