Method for identifying non-magnetic minerals in earth formations

Details Method for identifying non-magnetic minerals in earth formations Method for identifying non-magnetic minerals in earth formations

1982-10-15

1985-03-26

Strecker, Gerard R.

Electricity: measuring and testing

Of geophysical surface or subsurface in situ

With radiant energy or nonconductive-type transmitter

324201, 324377, G01V 336, G01V 328, G01N 2772, G01R 3316

Patent

active

045076138

ABSTRACT:
A magnetic susceptibility log is run through an earth formation to identify the presence of any select non-magnetic minerals in association with magnetic minerals. The select non-magnetic mineral is identified as being present when the magnetic susceptibility measurement exceeds a level at which a measurable concentration of the select non-magnetic mineral is expected to be present.

REFERENCES:
patent: 2104743 (1938-01-01), Herrick
patent: 2766421 (1956-10-01), Wait et al.
patent: 3210652 (1965-10-01), Seigel
patent: 3535619 (1970-10-01), Franz et al.
patent: 3686563 (1972-08-01), Walter
patent: 3882375 (1975-05-01), Zemanek
patent: 4071815 (1978-01-01), Zemanek

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