自然γ射线石油测井仪/ natural gamma ray petroleum well logger /natural gamma ray petroleum well logger
伽马射线石油测井通过测量井眼内的γ射线能谱和井眼周围地层中铀、钍、钾等多种放射性元素的含量,计算出地层相关物质的组成成分的核仪器。散射γ能谱石油测井仪/ scattering gamma spectrometry for petroleum well logger /scattering gamma spectrometry for petroleum well logger
伽马射线石油测井利用特定放射源开展测井过程的核仪器。