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荧光光谱在烃类垂向微运移研究中的应用
石油与天然气地质
2000年 21卷 第No.4期
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Title
APPLICATION OF FLUORESCENCE SPECTRUM TO STUDIES OF HYDROCARBON MICRO-MIGRATION IN VERTICAL DIRECTION
Authors
Tang Yuping
Tang Yanling
Hu Bin
Wei Wei
Wang Jianguo
Yue Xiangyang
摘要
油气井中荧光光谱强度及其比值的正向变化梯度和向上趋轻反映了烃类垂向微运移的客观存在。荧光光谱三元图和同步荧光图谱能较好地指示微运移的方向:自深层到地表,λ320nm增加,λ360nm减小;除λ430nm外,各波段均具正向梯度。
Abstract
The normal variation gradient and the tendency of getting lighter upward of the fluorescence spectrum intensity and the specific value in hydrocarbon well have revealed the existance of hydrocarbon vertical micro migration. Fluorescent ternary diagram and synchronous fluorescence spectrum can properly indicate the direction of the micro migration:from deep strata to surface,R 320 increases,λ 360 nm decreases and every wave band possesses positive gradient with the exception of λ 430 nm
关键词：
三维荧光;
同步荧光;
微运移;
运移方向;
Keywords:
3-D fluorescence;
synchronous fluorescence;
micro migration;
migrational direction;
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