光谱学与光谱分析
基于不同光谱技术的原油样品的荧光分析
王春艳, 王新顺, 王延华, 高居伟, 郑荣儿*
中国海洋大学光学光电子省重点实验室，山东 青岛 266071
Fluorescence Analysis of Crude Oil Samples with Different Spectral Approaches
WANG Chun-yan, WANG Xin-shun, WANG Yan-hua, GAO Ju-wei, ZHENG Rong-er*
Optics and Optoelectronics Laboratory, Ocean University of China, Qingdao 266071, China
摘要 ： 应用同步扫描、三维发射以及目前石油荧光仪所采用的二维发射荧光分析技术对胜利油田15个井区25种原油样品在10-4 g·L-1 ～10 g·L-1 浓度范围内进行了光谱采集，对比分析了不同光谱技术所获取的光谱信息与浓度之间的相应关系。结果表明，对于原油这种多组分样品，二维发射光谱难以满足分析要求;三维光谱信息丰富但数据采集与提取困难。同步扫描光谱具有简单快捷、光谱特征丰富明显、干扰小等特点，选择Δλ 为40 nm获得的原油同步扫描光谱可反映三维光谱的主要信息。与二维发射光谱和三维光谱相比，同步荧光法在原油样品分析中显现出较大优势和发展空间，可望发展成为石油录井中对岩屑岩芯样品含油量的定量分析的新方法。
关键词 ：荧光分析;石油录井;同步扫描荧光技术;三维荧光技术;原油
Abstract ：Fluorescence techniques based on emission spectrum, synchronous fluorescence spectrum(SFS), or three-dimensional (3D ) fluorescence spectrum, have been widely used in medical, biological and chemical analyses. In the present paper, 25 crude oil samples from 15 different borefields in the concentration range from 10-4 g·L-1 to 10 g·L-1 have been investigated with different spectral approaches. It was shown that, compared with conventional emission spectrum based technique used in oil logging, the 3D fluorescence technique can provide much more information in the analysis of crude oil samples but at the price of time consuming. While the SFS spectrum of a crude oil sample, taken under the emission and excitation wavelength synchronous scan with Δλ ＝40 nm, can represent the main characteristic of the 3D spectrum provided, with even better spectral qualities. All the results suggest that SFS technique is a more suitable approach in crude oil sample analysis than the other two, and has a great potential to be developed as a new quantitative analysis method in petroleum logging.
Key words ：Fluorescence analysis;Oil logging;Synchronous fluorescence spectroscopy;Three-dimensional fluorescence technique;Crude oil
收稿日期: 2005-01-28
修订日期: 2005-05-10
通讯作者:
郑荣儿
引用本文:
王春艳, 王新顺, 王延华, 高居伟, 郑荣儿* . 基于不同光谱技术的原油样品的荧光分析[J]. 光谱学与光谱分析, 2006, 26(04): 728-732.
* . Fluorescence Analysis of Crude Oil Samples with Different Spectral Approaches. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2006, 26(04): 728-732.
链接本文:
https://www.gpxygpfx.com/CN/Y2006/V26/I04/728
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