石油孔固井水泥环属性参数研究与伽马复测系数修正方法
李小伟, 臧永亮, 罗宁, 李名, 豆珂

A study of the application parameters of cement ring in oil hole cement in the correction of gamma retargeting coefficient
LI Xiao-Wei, ZANG Yong-Liang, LUO Ning, LI Ming, DOU Ke
图6 水泥环厚度与照射量率关系
Fig.6 The diagram of relationship between cement ring thickness and exposure rate