Experimental determination of butane dispersion in vapor extraction of heavy oil and bitumen

被引：17
|
作者：
El-Haj, R. [1 ]
Lohi, A. [1 ]
Upreti, S. R. [1 ]
机构：
[1] Ryerson Univ, Dept Chem Engn, Toronto, ON M5B 2K3, Canada
来源：
JOURNAL OF PETROLEUM SCIENCE AND ENGINEERING | 2009年 / 67卷 / 1-2期
关键词：
Vapex; butane; experimental dispersion coefficient; heavy oil; bitumen; DIFFUSION;
D O I：
10.1016/j.petrol.2009.02.010
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
In this work, the dispersion of butane is experimentally determined during the vapor extraction (Vapex) of oil sands. The experiments are carried at room temperature using solvent butane at the dew point pressure. Athabasca bitumen packed with glass beads of different permeabilities is used as a porous medium in a cylindrical geometry. A detailed mathematical model is developed for solvent transfer into the medium and subsequent oil production. The concentration-dependent dispersion coefficient of butane is optimally determined by matching the experimental live oil production with the model-predicted one. Results are obtained for three different permeabilities of the medium. (C) 2009 Elsevier B.V. All rights reserved.
引用
收藏
页码：41 / 47
页数：7
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