Determining elemental concentrations and formation matrix type f

Details Determining elemental concentrations and formation matrix type f Determining elemental concentrations and formation matrix type f

1982-10-01

1985-01-08

Howell, Janice A.

Radiant energy

Geological testing or irradiation

Well testing apparatus and methods

250262, G01V 500

Patent

active

044928637

ABSTRACT:
Natural gamma radiation is detected by a scintillation detector in a well logging sonde and separated into at least six separate energy regions. The gamma ray counts in the higher four energy regions are used to derive borehole compensated elemental concentrations of potassium, uranium and thorium. The gamma ray counts lower two energy regions are used to identify formation lithology.

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.
patent: 4436996 (1984-03-01), Arnold et al.

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