低渗透油田吸渗驱油微观机理  

Microscopic mechanism of oil Imbibition displacement in low permeability oil field.

作　　者：胡雅礽[1] 郭和坤[1] 

机构地区：[1]中国石油天然气总公司中国科学院渗流流体力学研究所

出　　处：《特种油气藏》1998年第4期16-20,共5页Special Oil & Gas Reservoirs

摘　　要：方法应用理想变管径毛管和数理分析方法，研究了低渗透油层水自发吸渗驱油的微观机理。目的改善低渗透油田注水开发效果。结果吸渗驱油采出程度与时间是指数函数关系，研究结果与他人实验结果一致。结论低渗透油田注水开发时，应考虑吸渗驱的影响因素。MethodWater imbibition displacement mechanism in low permeability oil reservoir is studied by way of ideal diameter-varying capilary and numerical and physical analysis method. PurposeTo improve water flooding development effect in low permeability oil field. ResultThe recovery by imbibition displacement is the exponential function of time which is in accordance with the lab result performed by others.ConclusionThe influencing factors on imbibition displacement should by taken into account when water flooding is chosen for development of low permeability oil field so as to improve efficiency.

关 键 词：低渗透油 驱油机理 吸渗驱油 水驱油田开发 

分 类 号：TE341[石油与天然气工程—油气田开发工程] TE348