This paper has main researches on the molecular diffusion in the process of CO2-oil displacing, carrying our deep experimental researches in PVT cell and porous medium.
本文主要研究注CO2驱油过程中的分子扩散问题，分别从PVT筒及多孔介质两方面进行深入的实验研究。
First we have established the testing method of CO2-crude oil system molecular diffusion tests, and then have carried out experimental tests in PVT cell and porous medium respectively.
首先建立了测试CO2 -真实原油体系分子扩散实验测试方法，分别在PVT筒内及多孔介质内进行了分子扩散实验测试。
In both cases the volume of the first appeared fluid at the bottom of PVT cell is relatively small, and the pressure at which the first fluid disappears is of the same value at different temperatures.
在上述两个异常相变过程中，先出现的液相体积较少，且液相在不同温度条件下消失时的压力相同。
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