辽宁石油化工大学学报2018，Vol.38Issue(1)：45-49,5.DOI:10.3969/j.issn.1672-6952.2018.01.008
特高含水期剩余油微观力学成因及孔道选择机理
The Micro Mechanical Cause and Pore Selection M echanism of Remaining Oil at Ultra-High Water Cut Period
摘要
Abstract
The remaining oil exists as discontinuous phase in the ultra-high water cut period,which is greatly influenced by microscopic force.Taking the residual oil in the droplet as the object of study in the ultra-high water cut period,the micro mechanical cause of oil droplet in the capillary model is analyzed,and it is clarified that the capillary force is the main force formed by the residual oil.The model of two hole pore structure is selected to establish the critical condition model of the oil droplet transfer tunnel radius,and the mechanism of choosing the remaining oil droplet capillary channel is studied. Quantitative analysis results show that the driving force and the viscous force have a great impact on the minimum boundary value of the channel radius passing the oil droplet.The results can provide theoretical guidance for analyzing the conditions of remaining oil in ultra-high water cut period and enhancing oil recovery.关键词
特高含水期/微观剩余油/力学成因/孔道选择机理Key words
Ultra-high water cut period/Microscopic remaining oil/Mechanical cause/Pore selection mechanism分类
能源科技引用本文复制引用
丁帅伟,姜汉桥,席怡,李俊键..特高含水期剩余油微观力学成因及孔道选择机理[J].辽宁石油化工大学学报,2018,38(1):45-49,5.基金项目
中国石油大学(北京)石油工程教育部重点实验室开放研究课题 （北京）
陕西省教育厅专项科研计划项目(17JK0779) （17JK0779）
国家重大专项子课题(2011ZX05030-005-05). （2011ZX05030-005-05）
