Effect of particle content on relative permeabilities in water flooding

作     者：Xiaocong Yu Yushu Wang Yongfei Yang Ke Wang Jun Yao Kai Zhang Hai Sun Lei Zhang Wenhui Song Vadim Lisitsa 

作者机构：School of Petroleum Engineering Faculty of Earth Resources China University of Geosciences Wuhan 430074 PR China Key Laboratory of Unconventional Oil & Gas Development (China University of Petroleum (East China)) Ministry of Education Qingdao 266580 PR China Research Center of Multiphase Flow in Porous Media School of Petroleum Engineering China University of Petroleum (East China) Qingdao 266580 PR China Institute of Mathematics SB RAS Novosibirsk 630090 Russia 

出 版 物：《Journal of Petroleum Science and Engineering》 

年 卷 期：2021年第205卷

学科分类：0820[工学-石油与天然气工程] 08[工学] 

主　　题：Water flooding Pore network model Relative permeability curves Particle transportation 

摘      要：Water flooding is the most widely used method to enhance oil recovery. Simulating the influence of particle content on fluid flow in water flooding process can provide instructive significance for oilfield development. In this paper, a pore network model was established to simulate the transport process of particles in injected water and fallen particles from the reservoir. It was used to study the influence of particle blockage, deposition and migration on the clogged throats and changes of oil-water relative permeability curves. In the model, four parameters were set, fallen particle diameter, injected particle diameter, fallen particle number and injected particle number. Other parameters were fixed and only a variable was changed to explore the changeable rule of relative permeability curves. It can be generally noted that fallen particle changes have great influence on the relative permeability curves of oil phase and injected particle changes mainly affect the relative permeability curves of water phase. It is of great significance for oilfield development to study the influence of particle transportation on fluid seepage processes.