Asphaltene precipitation and inhibition in carbonate reservoirs

被引：20
|
作者：
Khormali, Azizollah [1 ]
机构：
[1] St Petersburg Min Univ, Oil & Gas Fac, Dept Oil & Gas Field Dev & Operat, 21st Liniya, St Petersburg 199106, Russia
来源：
PETROLEUM SCIENCE AND TECHNOLOGY | 2017年 / 35卷 / 05期
关键词：
Asphaltene deposition; asphaltene inhibitor; coreflood; emulsion; formation damage; POROUS-MEDIA; DEPOSITION; ADSORPTION; PREDICTION; DAMAGE; FLOW; OIL;
D O I：
10.1080/10916466.2017.1295070
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 effect of formation water concentration in the emulsion with oil on the amount of asphaltene precipitation was studied. In addition, the effect of flow rate and asphaltene concentration on formation damage of Iranian carbonate core samples was investigated. A new asphaltene inhibitor was used for preventing asphaltene precipitation. Performance of the inhibitor was studied under static and dynamic conditions. The inhibition efficiency reached 77% at a concentration of 3% of asphaltene inhibitor. Also, adsorption rate of the inhibitor was determined at different inhibitor concentrations. The results showed that the adsorption rate is increased by increasing the inhibitor concentration. However, the adsorption rate remained almost unchanged at higher concentrations.
引用
收藏
页码：515 / 521
页数：7
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