Translated Titles

Research on the temperature character of the detector of small-diameter natural gamma ray spectrum logging tool


叶显诗;中国石油大学地球科学与技术学院 青岛 266555;叶显诗;李会银;徐德龙;严语鸣;中国石油大学地球科学与技术学院 青岛 266555;中国科学院声学研究所 北京 100101

Key Words

自然伽马能谱测井仪 ; NaI(Tl)晶体 ; 伽马能谱 ; 分辨率 ; 脉冲幅度分析 ; natural gamma ray spectrum logging tool ; NaI(Tl) crystal ; gamma ray spectrum ; resolution ; analysis of pulse height



Volume or Term/Year and Month of Publication

2016年 10期(2016 / 11 / 28)

Page #

26 - 29

Content Language


Chinese Abstract


English Abstract

The size and temperature character of the gamma ray detector are primary factors which influence the quality of well logging directly in developing small‐diameter natural gamma ray spectrum logging tool .The spectrum response of the detector is measured at various temperatures in natural radioactive background .By comparing the changes of gamma ray spectrum and the character of the logging tool ’ s spectrum stabilization by high‐voltage at different temperatures ,it is able to obtain that ,the total rate and the address of element K ’s characteristic peak in gamma ray spectrum changes slowly when the environment temperature is below 150 degree centigrade .And under 125 degree centigrade ,the resolution of detector works in high condition .So it is said the tool’s best working temperature is below 125 degree centigrade .

Topic Category 工程學 > 電機工程
工程學 > 電機工程