[1]李传伟,王江波,慕德俊,等.基于最小二乘法的伽马能谱解谱方法及改进[J].测井技术,2008,32(04):319-322.
 LI Chuan-wei,WANG Jiang-bo,MU De-jun,et al.Spectrum Skipping Method for Gamma Spectrometry Log Based on the Least Squares Algorithm and Its Improvement[J].WELL LOGGING TECHNOLOGY,2008,32(04):319-322.
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基于最小二乘法的伽马能谱解谱方法及改进()
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《测井技术》[ISSN:1004-1338/CN:61-1223/TE]

卷:
第32卷
期数:
2008年04期
页码:
319-322
栏目:
方法研究
出版日期:
2008-08-28

文章信息/Info

Title:
Spectrum Skipping Method for Gamma Spectrometry Log Based on the Least Squares Algorithm and Its Improvement
作者:
李传伟;王江波;慕德俊;苗晓锋;
西北工业大学自动化学院;中国石油集团测井有限公司;
Author(s):
LI Chuan-wei1WANG Jiang-bo2MU De-jun1MIAO Xiao-feng1
1.School of Automation,Northwestern Polytechnical University,Xi′an,Shaanxi 710072,China;2.China Petroleum Logging CO.LTD.,Xi′an,Shaanxi 710061,China
关键词:
自然伽马能谱测井测量解谱矩阵最小二乘法
分类号:
P631.817
摘要:
自然伽马能谱测井是根据地层中铀、钍、钾等天然放射性矿物发出的自然伽马射线的能谱确定相应元素含量的测井方法,在油田广泛推广用于评估地层粘土和泥质含量。结合实际配接能谱仪器的经验,详细介绍了最小二乘法的解谱原理,给出了基于五能窗解谱的具体实现方法,并结合现场使用对该方法进行改进,使得在矿化度较低、氯化钾和重晶石含量较高的地层中能够有效地区分钾、铀、钍的含量,符合现场地质解释。目前基于最小二乘法的自然伽马能谱测井解谱方法在现场使用中得到验证,取得良好的应用效果。

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更新日期/Last Update: 2008-08-30