Gamma spectrum porosity measurement

Details Gamma spectrum porosity measurement Gamma spectrum porosity measurement

1984-01-27

1986-03-25

Howell, Janice A.

Radiant energy

Geological testing or irradiation

Well testing apparatus and methods

G01V 500

Patent

active

045785805

ABSTRACT:
A method and apparatus for logging downhole earth formations which converts, for a given logging tool geometry, a measurement of the extent of energy degradation of the spectrum of gamma rays emitted from a source in the tool and Compton scattered by the formation back to the tool, into a measurement of the density of the formation.

REFERENCES:
patent: 3202822 (1965-08-01), Kehler
patent: 3843881 (1974-10-01), Barton, Jr. et al.
patent: 3864569 (1975-02-01), Tittman
patent: 4048495 (1977-09-01), Ellis
patent: 4297575 (1981-10-01), Smith, Jr. et al.

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