Method for determining the presence of platinum in earth formati

Details Method for determining the presence of platinum in earth formati Method for determining the presence of platinum in earth formati

1982-10-15

1984-07-31

Howell, Janice A.

Radiant energy

Geological testing or irradiation

Well testing apparatus and methods

250253, G01V 500

Patent

active

044632568

ABSTRACT:
A spectral natural gamma radiation logging tool is calibrated with a material of known potassium content so that the natural gamma radiation measured by such logging tool is related to potassium concentration. The earth formations surrounding a borehole are logged with such logging tool to identify the presence of potassium. A specified concentration of potassium correlates inversely with a magnetic mineral content in the earth formation. The amount of magnetic mineral content is a measure of the presence of the non-magnetic mineral platinum in the earth formation.

REFERENCES:
patent: 3940610 (1976-02-01), Dennis et al.
patent: 4071755 (1978-01-01), Supernaw et al.

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