摘要
在疏松砂岩油藏注水开发中、后期,由于储层存在先天的非均质性,致使油、水井之间形成严重的高渗透大孔道现象,生产井出现特高含水及严重出砂的问题。为此研制了渗透率、胶结强度可调的无机胶结固化材料"双效胶结砂",并依据选择性注入原理,实现对高渗透、大孔道深部低渗充填,同时对近井地带高渗封口,达到防砂堵漏的目的,解决了细粉砂岩油田油、水井的出砂和漏失问题。
To problems of extra high water cut and serious sand production of the production well and severe high permeability macro-pore phenomenon between oil and water well caused by the presence of congenital reservoir heterogeneity at middle or later water flooding development for unconsolidated sandstone reservoir,' dualpurpose cemented sand',an inorganic cementing material of adjustable permeability,cementation strength has been developed.On the basis of selective injection principle,high permeability,large pore deep low permeability filling is realized.Sealing with high percolation near well-bore zone,the purposes of sand plugging is achieved.The sand producing and the leakage problems of oil and water well in the fine powder sandstone oil field has been solved.
出处
《油气井测试》
2012年第2期51-53,77,共3页
Well Testing
关键词
双效胶结砂
防砂
堵漏
工艺技术
建议
dual-purpose cemented sand,sand,plugging,technology,suggestions
