Thermodynamic behaviour of the methane-propane-pentane mixtures in the porous media of glass spheres

被引：0
|
作者：
Savinkov, A. V. [1 ]
Skirda, V. D. [1 ]
Ivanov, A. A. [1 ]
Arkhipov, R. V. [1 ]
Mutina, A. R. [2 ]
Safonov, S. S. [2 ]
机构：
[1] Kazan VI Lenin State Univ, Kazan, Russia
[2] Technol Co Shlumberger, Moscow, Russia
来源：
GEORESURSY | 2009年 / 32卷 / 04期
关键词：
micropore; interaction with pore surface; compound mixture of hydrocarbon; pT-behavior;
D O I：
暂无
中图分类号：
TE [石油、天然气工业];
学科分类号：
0820 ;
摘要：
The pT-behavior of the methane-propane-pentane mixtures with molar ration of the ingredients as 0.50 : 0.35 : 0.15 was studied in the porous media of glass spheres (average diameter about 25 Mm) and in a bulk. It was shown that only slight pressure decreasing of the mixture occurs at whole two-phase (gas + liquid) temperature range. However qualitative difference of the pT-diagrams measured for the mixtures in a bulk and in the porous media was found in one-phase region. Temperature dependence of pressure in the porous media was observed weaker than in a bulk. We assumed that the porous media influence is caused by single-layer and capillary adsorption mechanisms giving rise to the chemical content gradient in the porous media along a pore surface normal.
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页码：36 / 39
页数：4
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