FIELD: geological prospecting operations, examination of production wells. SUBSTANCE: borehole spectrometric detector of gamma radiation includes internal inorganic scintillator placed in container of organic scintillator and optical coupled t it. Thickness of organic scintillator is calculated with proviso that it is equal to length of total absorption of low-energy quanta of gamma radiation scattered in rock. EFFECT: separate registration of low-energy and high-energy radiation. 2 dwg
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Authors
Dates
2003-08-27—Published
2001-06-08—Filed