Study of viscosity-temperature properties of oil and gas-condensate mixtures in critical temperature ranges of phase transitions

被引：4
|
作者：
LoskutovaYu, V. [1 ]
Yadrevskaya, N. N. [2 ]
Yudina, N. V. [1 ]
Usheva, N. V. [2 ]
机构：
[1] Russian Acad Sci, Siberian Branch, Inst Petr Chemstry, Akad Sky Ave 4, Tomsk 634021, Russia
[2] Nat Res Tomsk Polytechn Univ, Tomsk 634050, Russia
来源：
XV INTERNATIONAL SCIENTIFIC CONFERENCE CHEMISTRY AND CHEMICAL ENGINEERING IN XXI CENTURY DEDICATED TO PROFESSOR L.P. KULYOV | 2014年 / 10卷
关键词：
oil; gas-condensate; oil and gas condensate mixture; viscosity-temperature properties; activation energy of viscous;
D O I：
10.1016/j.proche.2014.10.058
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
Transport of oil and gas-condensate mixtures of various compositions is found to be accompanied by a slight increase in viscosity in the coldest period when ground temperatures at depth of a condensate pipeline reach 0 - minus 4 degrees C. Fall in temperature of oil fluids under study to minus 10 -minus 30 degrees. is accompanied by a sharp increase in all structural and rheological parameters of the mixture. Even a slight amount of oil added to a gas-condensate mixture causes a significant decrease in viscosity in the negative temperature range. As a result, cloud and pour point of a mixture falls, its amount decreases, the structure of paraffin deposits changes. (C) 2014 The Authors. Published by Elsevier B. V.
引用
收藏
页码：343 / 348
页数：6
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