應(yīng)用原油和石油包裹體熒光壽命研究石油包裹體的成因演化和對應(yīng)地面原油的密度
[Abstract]:The (TCSPC) fluorescence lifetime image microscope (FLIM),) with time-dependent single photon counting method was used to measure the fluorescence lifetime of crude oil and various types of oil inclusions in the density of 0.9521~0.7606g/cm~3 in the Tarim uplift area. The experimental results show that there is a good correlation between the density of crude oil and the average fluorescence lifetime, and the linear regression equation is Y-0.0319X 0.9411, which can be used to calculate the fluorescence lifetime of various types of oil inclusions corresponding to the density of crude oil on the ground in this area. There are three types of petroleum inclusions in the reservoir of well Tazhong 1 in Tarim Basin. The average fluorescence lifetime of A type brownish yellow oil inclusions is 2.144ns2.764ns, which is equivalent to the surface crude oil density of 0.852g / cm ~ (-3). The average fluorescence of petroleum inclusions with light yellowish white fluorescence of class B belongs to the early captured mature oil inclusions. The lifetime of the oil inclusion is 4.209 ~ 4.919ns, which is equivalent to the surface crude oil density of 0.784 ~ 0.812g / cm ~ (-3). The average fluorescence life of the oil inclusions belonging to the light-weight oil inclusions with high trapping maturity in the second period is 5.063 ~ 6.168ns, which is about the same as the surface crude oil in this area. The density is 0.743 ~ 0.779g / cm ~ (-1), which belongs to the light oil inclusions with high capture maturity in the third stage.
【作者單位】: 中國科學(xué)院廣州地球化學(xué)研究所;浙江大學(xué)地球科學(xué)學(xué)院;
【基金】:國家自然科學(xué)基金項目(批準號:41321002,41402116)資助
【分類號】:P618.13
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