Measurement of the effective photo-electric absorption cross sec

Details Measurement of the effective photo-electric absorption cross sec Measurement of the effective photo-electric absorption cross sec

1987-09-01

1989-08-01

Howell, Janice A.

Radiant energy

Geological testing or irradiation

250256, G01V 500

Patent

active

048535370

ABSTRACT:
A method and apparatus for determining photoelectric absorption cross-section is disclosed. A photon source is operably connected to a target chamber. A collimator connected to an opposite end of a sample chamber is oriented to receive photon energy from the source. A gamma ray detector is used to measure photon energy.

REFERENCES:
patent: 4617825 (1986-10-01), Ruhovets
patent: 4661700 (1987-04-01), Holenka
Watson, "Numerical Simulation of the Litho-Density Tool Lithology Response," SPE 12051 (1985).
Bertozzi et al, "The Physical Foundation of Formation Lithology Logging with Gamma Rays", Geophysics, vol. 46, No. 10 (10/81), pp. 1439-1455.
Salaita et al, "The Effective Photo-Electric Absorption Cross Section for Selected Rock Samples".

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