Page 541 - Radiation Safety
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Nuclear Gauging System
6. Oil logging:
▪ Used to measure lithology, density
and porosity of geological
formation deep underground
around prospected oil reservoir.
▪ It works on backscattering principle
of gamma or neutron radiation
using one or two detectors.
▪ The radiation is backscattered by
geological formation and detected
by the detector(s).