A New Method for Monitoring the Stability of Asphaltene-Containing Disperse Systems

被引：0
|
作者：
Kosach, A. V. [1 ]
Kravchenko, M. N. [1 ]
Korolev, V. K. [1 ]
Novikov, E. A. [1 ]
Grishina, I. N. [1 ]
Safieva, R. Z. [1 ]
机构：
[1] Natl Res Univ, Gubkin Russian State Univ Oil & Gas, Moscow 119991, Russia
来源：
PETROLEUM CHEMISTRY | 2024年 / 64卷 / 05期
基金：
俄罗斯科学基金会;
关键词：
stability; express analysis; petroleum disperse systems; asphaltenes; induction period; aggregation kinetics; DLA and RLA mechanisms; AGGREGATION;
D O I：
10.1134/S0965544124040091
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
The stability index of petroleum disperse systems can be calculated using continuous scanning of the optical profile of the asphaltene precipitation, taking into account the induction period of the asphaltene particle aggregation under the preset external conditions. Modification of the ASTM D7061 procedure allows taking into account the induction period of the asphaltene aggregation and different aggregation mechanisms (diffusion- and reaction-limited aggregation). This opens prospects for improving the procedures for express analysis of asphaltene-containing dispersions in the future. The control of the stability of asphaltene-containing systems is the base element for developing of a mathematical model of the kinetics of chemical processes occurring in a stratum, pipeline, or reactor.
引用
收藏
页码：580 / 587
页数：8
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