X射线荧光岩屑录井仪器  

Introduction of X-ray fluorescence cutting logging instrument

作　　者：朱根庆 许绍俊 杨锐 孙汝昆[2] 

机构地区：[1]重庆奥能瑞科石油技术有限责任公司 [2]南开大学

出　　处：《录井工程》2009年第1期47-50,60,共5页Mud Logging Engineering

摘　　要：由光谱分析的一般检测原理入手,介绍X射线荧光岩屑分析仪器的基本原理及仪器构成。分析了波长色散型和能量色散型两类仪器的优缺点,简介了XRF仪器结构、特点、技术指标、检测电路和采集软件功能。针对XRF分析仪器的特殊结构阐述了X射线荧光岩屑分析的实践依据。通过室内测试和现场45口井的验证应用,证实该仪器的检测精度、重复性和稳定性等均达到了设计指标要求,为岩屑录井提供了全新手段,丰富了录井资料,为地层的解释评价创造了有利条件。Starting with common detection principles of spectral analysis,the paper introduced the basic principles and composition of X-ray fluorescence cutting analyzer,analyzed virtues and defects of wavelength-dispersive X-ray analyzer and energy dispersive X-ray detectors,and summarized construction, features,technical index,detection circuit and acquisition software functions of XRF analyzer.In view of the special construction of XRF analyzer,the paper expounded practice basis for X-ray fluorescence cutting analysis.A great deal of lab tests and on-site 45 wells application verified the detecting precision,repeatability and stability tallied with the design indexes of the detector,which would provide a new cutting logging means,enrich mud logging data and create favorable conditions for stratigraphic interpretation and evaluation.

关 键 词：X射线 X射线荧光(XRF) 录井仪器 X荧光激发源 能量色散 SI-PIN探测器 多道脉冲分析器 

分 类 号：TE927.9[石油与天然气工程—石油机械设备] O657.34[理学—分析化学]