Radiant energy – Geological testing or irradiation – With sampling
Patent
1988-10-31
1991-02-26
Hannaher, Constantine
Radiant energy
Geological testing or irradiation
With sampling
250253, G01N 2135
Patent
active
049964216
ABSTRACT:
A system and method of geophysical exploration is described whereby composition logs of the minerals comprising the formations surrounding a wellbore can be obtained. Samples of the formations surrounding a wellbore are obtained at selected intervals along the length of the wellbore. Each of the core samples is irradiated with electromagnetic radiation and a spectral response signal, representative of the electromagnetic response of each sample to the electromagnetic radiation is recorded. Peaks in the spectral response signals are located and correlated with minerals exhibiting similar electromagnetic characteristic response peaks. Since the samples were obtained from known depths within the wellbore, a composition log of the minerals comprising the formations surrounding the wellbore can be prepared displaying the minerals identified as a function of depth in the wellbore.
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Rai Chandra S.
Sondergeld Carl H.
Amoco Corporation
Hannaher Constantine
Lyles Marcy M.
Stanley Timothy D.
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