Radiant energy – Geological testing or irradiation – With sampling
Patent
1991-07-05
1992-11-17
Fields, Carolyn E.
Radiant energy
Geological testing or irradiation
With sampling
250269, 250253, 378 5, G01V 500, G01N 2306
Patent
active
051645904
ABSTRACT:
X-ray attenuation measurements at two or more energies are carried out on core samples of earth materials for use in determining the relative contributions of Compton scattering and photoelectric absorption to the attenuation of the beams of X-rays by the samples. The measurements are utilized to calculate material bulk density, responsive to the difference in attenuation measured with respect to beams of two different X-ray energies and the attenuation of the beams of one of X-rays.
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patent: 4649483 (1987-03-01), Dixon, Jr.
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patent: 4799382 (1989-01-01), Sprunt et al.
patent: 5063509 (1991-11-01), Coles et al.
Coles Mary E.
Muegge Ernest L.
Dunn Drew A.
Fields Carolyn E.
Hager Jr. George W.
McKillop Alexander J.
Mobil Oil Corporation
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