Dielectric well logging system with electrostatically shielded c

Details Dielectric well logging system with electrostatically shielded c Dielectric well logging system with electrostatically shielded c

1979-10-17

1985-04-30

Kozma, Thomas J.

Electricity: measuring and testing

Of geophysical surface or subsurface in situ

With radiant energy or nonconductive-type transmitter

324341, 336 84C, G01V 328, H01F 1504

Patent

active

045146934

ABSTRACT:
Transmitting and receiving coils for radio frequency (RF) dielectric well logging are shielded in copper enclosures to substantially remove unwanted electrostatic or capacitive signals introduced by the conductive fluids in the well bore.

REFERENCES:
patent: 1548022 (1925-08-01), Casper et al.
patent: 1624473 (1927-04-01), Clement
patent: 2170048 (1939-08-01), Dunning et al.
patent: 2914719 (1959-11-01), Walton et al.
patent: 2948871 (1960-08-01), Craige
patent: 2949591 (1960-08-01), Craige
patent: 3244960 (1966-04-01), Stevens et al.
patent: 3358256 (1967-12-01), Naito et al.
patent: 3717833 (1973-02-01), Kubota et al.

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