Borehole compensation method and apparatus using variations in r

Details Borehole compensation method and apparatus using variations in r Borehole compensation method and apparatus using variations in r

1985-06-17

1987-09-01

Howell, Janice A.

Radiant energy

Geological testing or irradiation

Well testing apparatus and methods

250265, 250266, G01V 500

Patent

active

046911022

ABSTRACT:
Compensation of photoelectric absorption measurements for borehole effects during nuclear logging of downhole earth formations is accomplished by detecting low energy gamma radiations entering two detectors in the logging tool along paths having substantially constant formation components but varying borehole components.

REFERENCES:
patent: 3321625 (1967-05-01), Wahl
patent: 3521063 (1970-07-01), Tittman
patent: 3858037 (1974-12-01), Moore et al.
patent: 3887805 (1975-06-01), Schuster
patent: 4529877 (1985-07-01), Arnold

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