Physically based capillary pressure correlation for mixed-wet reservoirs from a bundle-of-tubes model

被引:26
作者
Helland, J. O. [1 ]
Skjaeveland, S. M. [1 ]
机构
[1] Univ Stavanger, Dept Petr Engn, Stavanger, Norway
来源
SPE JOURNAL | 2006年 / 11卷 / 02期
关键词
D O I
10.2118/89428-PA
中图分类号
TE [石油、天然气工业];
学科分类号
0820 ;
摘要
It is shown that the main characteristics of mixed-wet capillary pressure curves with hysteretic scanning loops can be reproduced by a bundle-of-triangular-tubes model. Accurate expressions for the entry pressures are employed, truly accounting for the mixed wettability and the diverse fluid configurations that arise from contact-angle hysteresis and pore shape. The simulated curves are compared with published correlations that have been Suggested by inspection of laboratory data from core plug experiments.
引用
收藏
页码:171 / 180
页数:10
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