流体饱和的岩石热力学参数研究

发布时间：2018-06-25 22:36

本文选题：饱和岩心 + 导热系数　；参考：《浙江大学》2015年硕士论文

【摘要】：为了搞清楚热力学参数与地层油藏参数之间的关系,开展了本次研究工作。文中介绍了岩石的主要热物理学性质以及热力学参数的测量方法。受实验条件研制,本次研究仅考虑单一岩性、孔隙度下,饱和度单一因素变化油藏热力学参数的变化情况。应用基于稳态原理的驱替实验,制作了孔隙度为25%、饱和度为0-100%、间隔为10%的饱和度均匀分布的人造岩心样本22块,同时测定不同流体饱和度下的岩心密度,进而采用非稳态的平面板热法测量不同饱和度下岩心的导热系数、热扩散系数和比热容。通过实验,得到目前实验条件下的不同流体饱和度的岩心的导热系数,热扩散系数和比热容等热力学参数。并对这些参数与饱和度之间的关系进行了分析,结果显示,随着含油饱和度的增加,导热系数与热扩散系数呈降低规律,而比热容随饱和度的变化规律则不明显,为下步工作奠定了方法和实验基础。
[Abstract]:In order to understand the relationship between thermodynamic parameters and formation reservoir parameters, this study was carried out. In this paper, the main thermal physical properties of rock and the measurement method of thermodynamic parameters are introduced. Under the experimental conditions, this study only considers the variation of reservoir thermodynamic parameters under single lithology, porosity and single factor of saturation. Based on the displacement experiment based on steady state principle, 22 artificial core samples with porosity of 25, saturation of 0-100 and uniform distribution of saturation of 10% are made, and the density of cores under different fluid saturation is measured at the same time. Furthermore, the thermal conductivity, thermal diffusion coefficient and specific heat capacity of the cores under different saturation were measured by the unsteady plane plate method. The thermodynamic parameters such as thermal conductivity, thermal diffusion coefficient and specific heat capacity of cores with different fluid saturation are obtained by experiments. The relationship between these parameters and saturation is analyzed. The results show that with the increase of oil saturation, the heat conductivity and thermal diffusion coefficient decrease, but the specific heat capacity changes with saturation is not obvious. It lays the foundation of method and experiment for the next step.
【学位授予单位】：浙江大学
【学位级别】：硕士
【学位授予年份】：2015
【分类号】：P618.13

【参考文献】