Study of Diffusivity of Hydrocarbon Solvent in Heavy-Oil Saturated Sands Using X-Ray Computer Assisted Tomography

2011 ◽  
Vol 50 (2) ◽  
Author(s):  
Hongtao Luo ◽  
Apostolos Kantzas
Keyword(s):  
Heavy Oil ◽  
Computer Assisted ◽  
Hydrocarbon Solvent ◽  
X Ray ◽  
Computer Assisted Tomography ◽  
Saturated Sands

Investigation of CO2 Diffusion in Oil-Saturated Porous Media by Using X-Ray Computer-Assisted Tomography

2013 ◽  
Vol 807-809 ◽  
pp. 2498-2502 ◽  
Author(s):  
Ling Yue Tang ◽  
Yu Liu ◽  
Yong Chen Song ◽  
Zi Jian Shen ◽  
Xin Huan Zhou
Keyword(s):  
Porous Media ◽  
Oil Recovery ◽  
Diffusion Coefficients ◽  
Critical Parameter ◽  
Petroleum Industry ◽  
Computer Assisted ◽  
Saturated Porous Media ◽  
X Ray ◽  
Computer Assisted Tomography ◽  
The Relationship

In petroleum industry injection of carbon dioxide has a lot of economical advantages for oil recovery. The diffusion coefficient of CO2 in oil-saturated porous media is a critical parameter. However, there is no universally applicable technique for measuring the diffusion coefficients of gas in oil-saturated porous media. The main objective of this work is to develop a possible experimental method for measuring CO2 diffusion coefficients in oil-saturated porous media by CT technique. At last the relationship between pressure and diffusivity at T= 29 °C is discussed.

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