中文摘要：

为了满足CO2驱油施工设计和油藏模拟的需要，建立了一套完整的测量气体溶解度和扩散系数的实验装置。导出了包含这两个参数的气体压力～时间线性关系式。采用压力降落法在50℃、70℃、105℃温度和静态条件下，测定CO2-吉林红岗原油体系的压力随时间的变化，对所得曲线进行线性拟合，求得了实验条件下CO2在吉林红岗原油中的溶解度和扩散系数。讨论了平衡压力，压力、温度对溶解度和扩散系数的影响，得到了每一实验温度下溶解度～平衡压力、扩散系数-平衡压力线性拟合关系式。在105℃温度下，静态条件下的扩散系数值在10^-7m2／s数量级，而动态条件下（转速600r／min）则增至10^-6m2／s。图6表1参8

英文摘要：

A set of experimental installation for measuring gas solubility （ S ） and diffusion coefficient （ DC ） was constructed for the purpose of project design and reservoir simulation of CO2 driving. A linear relationship between gas pressure and time duration and containing the two parameters was derived. The changes with time of pressure in CO2-Honggang＇s crude oil system were measured by using a pressure drop method under static conditions at temperature 50℃ ,70℃, and 105℃ ;the curves obtained were fitted linearly and the S and DC values of CO2 in the crude oil under experimental conditions were determined. The equilibrium pressure, the S and the DC influenced by pressure and temperature were discussed and linearly fitted equations of S and of DC vs equilibrium pressure were constructed for every experimental temperature. At 105℃ ,the static DC values were of magnititude 10 -7 m2/s and the dynamic ones（ at stirring speed 600 r/min）--10^ -6 m2/s.