摘要
立体井网是不同于常规面积井网和水平井联合井网的一个全新井网,目前关于该井网的开发效果影响因素还没有系统研究。从井网因素和流体性质两个方面入手,利用数值模拟方法,研究了油水黏度比、油水密度比以及水平井的无因次位置等因素对立体井网开发效果的影响。结果表明,随着水平井无因次位置的增大,不同油水黏度比和不同油水密度比下的立体井网最终采出程度都呈下降趋势;不同之处在于,低油水密度比下,最终采出程度下降较缓慢;高油水密度比下,最终采出程度下降较快;而不同油水黏度比的最终采出程度下降速度无太大变化。
Tridimensional well pattern is different from the conventional well pattern and horizontal combination well pattern, developed effect influencing factors of the well pattern have not been systematically discussed. The fac-tors of the tridimensional well pattern development effect by oil-water viscosity ratio, oil-water density ratio and hor-izontal well dimensionless position are studied numerically. The result shows that the well pattern recovery continu-ously decrease with increasing horizontal well dimensionless position in the different viscosity ratio and density ratio, however, the well pattern recovery slowly decline at low oil-water density ratio, but it quickly decline at high oil-water density ratio, The decline rate of the well pattern recovery is no changed in different oil-water viscosity ratio.
出处
《科学技术与工程》
北大核心
2014年第2期75-77,共3页
Science Technology and Engineering
基金
湖北省教育厅中青年人才项目(Q20101312)资助
关键词
立体井网
开发效果
数值模拟
tridimensional well pattern
development effect
numerical simulation
