河北工业科技2018，Vol.35Issue(3)：171-177,7.DOI:10.7535/hbgykj.2018yx03004
缝洞型油藏溶洞内水驱流态研究
Study on the flow of water drive in cavern of fractured-cave reservoirs
刘承婷 1李江 1宋洋1
作者信息
- 1. 东北石油大学石油工程学院,黑龙江大庆 163000
- 折叠
摘要
Abstract
In order to study the influence of water injection speed and viscosity on water flooding sweep area and oil-water interface in fractured-cave reservoirs,Fluent numerical simulation software is used to simulate the fluid flow in single-fractured cave reservoirs from hydrodynamic point of view and VOF model is used to track the two interfaces of oil and water.The simu-lation results show that when the inlet water velocity is constant,swept area gradually increases with the increase of viscosity, and the oil-water interface is symmetrically and uniformly pushed forward.The smaller viscosity of the crude oil water will tend to flow toward the center hole and generate vortex.As the viscosity gradually increases,the vortex gradually disappears,and the displacement method gradually changes into piston displacement.When the viscosity of crude oil is constant,the sweep area decreases with the increase of inlet velocity,and the oil-water interface is symmetrically pushed forward uniformly.When the water velocity is fast,the water phase tends to flow toward the hole and generate vortex along the centerline with the increase of inlet water velocity,and the trend becomes obvious.The research results provide reference value for further improving the fluid-state analysis of oil-water two-phase in water-flooding process in cave-type reservoirs.关键词
多相流体力学/单缝洞油藏/流体力学/波及面积/油水界面/Fluent数值模拟Key words
multiphase hydrodynamics/single seam reservoir/hydrodynamics/swept area/oil and water interface/Fluent numerical simulation分类
能源科技引用本文复制引用
刘承婷,李江,宋洋..缝洞型油藏溶洞内水驱流态研究[J].河北工业科技,2018,35(3):171-177,7.
