石油化工高等学校学报2016，Vol.29Issue(6)：47-50,4.DOI:10.3969/j.issn.1006-396X.2016.06.010
不可及孔隙体积对聚合物段塞注入效果影响研究
Injection Effect by Inaccessible Pore Volume of Polymer Slug
摘要
Abstract
The influence of the inaccessible pore volume on the polymer slug is studied through physical simulation and numerical simulation.For different permeability formations,the optimal injection molecular weight increases with increasing of permeability.In this paper,the formation pore is divided into strong water washing pore,the oil-water mixed pore and the non washed pore according to different oil and water existing state in formation pore.Different molecular weight polymers should be used to enhance oil recovery.There is an optimal value of the inaccessible pore volumeand it turnedin different time (the existence of oil and water in the pore is different).The optimum inaccessible pore volume will change,when water cut is 90%, the best inaccessible pore volume is 0.4,while the best inaccessible pore volume becomes 0.3 when the water cut is 30%.关键词
聚合物驱/不可及孔隙体积/相对分子质量/段塞组合/提高采收率Key words
Polymer flooding/Inaccessible pore volume/Molecular weight/Slug combination/Enhanced oil recovery分类
能源科技引用本文复制引用
王健,杨二龙,董驰..不可及孔隙体积对聚合物段塞注入效果影响研究[J].石油化工高等学校学报,2016,29(6):47-50,4.基金项目
中国博士后科学基金面上资助项目"致密油储层微观孔隙结构及多尺度渗流机理研究"(2014M561325). （2014M561325）
