摘要
低渗致密油藏由于储层致密、非均质性强、裂缝发育等特点导致水驱前缘指状推进,水驱波及体积差、水驱采收率低,为解决这一现实难题,控制水驱前缘运动速度充分发挥渗吸-驱替双重作用,是改善开发效果实现稳油控水的攻克方向。为进一步提升该项技术的基础理论研究,通过广泛调研文献,分析了低渗致密油藏注水开发过程中水驱前缘运动规律影响因素,总结了目前国内外研究水驱前缘常用的室内物理模拟法以及数学模型解析法,介绍了水驱前缘监测技术现场应用现状,讨论了水驱前缘研究与现场应用相结合需要解决的几个关键技术问题。
The characteristics of tight reservoirs,strong heterogeneity and fracture development on low-permeability tight reservoirs lead to the fingerlike advancement of waterflooding front,poor waterflooding swept volume and low waterflooding recovery.In order to solve this problem,controlling the speed of water drive leading edge movement and fully leveraging the dual effects of infiltration and displacement is the direction to improve development efficiency and achieve stable oil and water control.In order to further explore the basic theoretical research of this technology,through investigating literature,this paper analyzes the influencing factors of the migration law of waterflooding front in the process of water injection development.Summarizes the indoor physical simulation method and mathematical model analysis method at home and abroad.Introduces the application status of waterflooding front monitoring technology,and several key technical problems to be solved in the combination of waterflooding front research and field application are discussed.
作者
赵一凝
陈泽宇
杨亚洁
韩兴源
高愈知
ZHAO Yining;CHEN Zeyu;YANG Yajie;HAN Xingyuan;GAO Yuzhi(Research Institute of Shaanxi Yanchang Petroleum(Group)Co.,Ltd.,Xi'an Shaanxi 710000,China)
出处
《石油化工应用》
CAS
2024年第5期1-8,共8页
Petrochemical Industry Application
基金
陕西省自然科学基金项目“页岩油储层微-纳米孔喉系统量化表征及对可动流体赋存状态控制机理研究”(2022JQ-290)。
关键词
低渗致密油藏
水驱前缘
物理模拟
数学模型
研究现状
low-permeability tight reservoirs
waterflooding front
physical simulation
ma-thematical model
research progress
