Induction logging device with a pair of mutually perpendicular b

Details Induction logging device with a pair of mutually perpendicular b Induction logging device with a pair of mutually perpendicular b

1979-08-20

1981-04-28

Strecker, Gerard R.

Electricity: measuring and testing

Of geophysical surface or subsurface in situ

With radiant energy or nonconductive-type transmitter

324343, G01V 328

Patent

active

042648629

ABSTRACT:
An instrument is disclosed for mapping vertical conductive fractures in a resistive bedrock, magnetically inducing eddy currents by a pair of vertically oriented, mutually perpendicular, coplanar coils. The eddy currents drive magnetic fields which are picked up by a second, similar pair of coils.

REFERENCES:
patent: 2359894 (1944-10-01), Brown et al.
patent: 2582315 (1952-01-01), Doll
patent: 2931973 (1960-04-01), Puranen
patent: 2964698 (1960-12-01), Lehmberg
patent: 3065407 (1962-11-01), Huddleston et al.
patent: 3187252 (1965-01-01), Hungerford
patent: 3487294 (1969-12-01), Youmans et al.

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