Natural gamma ray logging with borehole effect compensation

Details Natural gamma ray logging with borehole effect compensation Natural gamma ray logging with borehole effect compensation

1981-06-05

1984-03-27

Howell, Janice A.

Radiant energy

Geological testing or irradiation

Well testing apparatus and methods

250262, G01V 500

Patent

active

044396767

ABSTRACT:
A natural gamma ray logging system utilizes gamma ray spectroscopy to measure thorium, uranium and potassium content of earth formations adjacent a well borehole. An additional measurement is also taken from which compensation for borehole effects on the measurements of interest is achieved.

REFERENCES:
patent: 3940610 (1976-02-01), Dennis et al.
patent: 3976878 (1976-08-01), Chevalier et al.
patent: 4187908 (1980-02-01), Fertl et al.
patent: 4271356 (1981-06-01), Groeschel et al.

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