Influence of Thermal Marangoni convection on the recovery of bypassed oil during immiscible injection

被引：12

作者：

Abolhosseini, Pejman ^{[1
]}

Khosravi, Maryam ^{[2
]}

Rostami, Behzad ^{[1
]}

Masoudi, Mohammad ^{[1
]}

机构：

[1] Univ Tehran, Inst Petr Engn, Sch Chem Engn, Coll Engn, Tehran, Iran

[2] IOR Res Inst IORI, Tehran, Iran

来源：

JOURNAL OF PETROLEUM SCIENCE AND ENGINEERING | 2018年 / 164卷

关键词：

Injection into fracture; Marangoni flow; Benard-Marangoni convection; Immiscible injection; INTERFACIAL-TENSION; MASS-TRANSFER; FLUID; FLOW; MATRIX;

D O I：

10.1016/j.petrol.2018.01.060

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：

Several phenomena could recover the bypassed oil in matrixes and low permeable areas, among them; Marangoni is the most unfamiliar one in fluid flow model. This mechanism triggers a convective flow from low interfacial tension point to a high interfacial tension point because of variation in solvent concentration, temperature or electrical charge. In this study, experimental and analytical tools have been utilized to investigate the effect of thermal Marangoni flux on the enhancement of oil recovery during immiscible injection in a matrix-fracture system. Results of non-isothermal experiments have been compared with isothermal (as the zero level of Marangoni) to study the presence of Marangoni flow and its direction respect to the fracture location. Results show that not only the Marangoni flux does exist and has significant impact on the recovery of bypassed oil but also, its magnitude is proportional to the absolute value of temperature gradient in phases interface.

引用

页码：196 / 205

页数：10

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