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pian xin fen zhu jing ke tou lao shi xi jing di shai du de yan zhi ji ying yong
Author(s): 
Pages: 149-150
Year: Issue:  3
Journal: COASTAL ENTERPRISES AND SCIENCE & TECHNOLOGY

Keyword:  偏心分注井可投捞式洗井底筛堵研制应用;
Abstract: 为解决油田偏心分注井注水压差大,注水系统发生变化,聚合物、调剖液、疏松的岩石颗粒就从底部的单流凡尔进入油管内,堵塞测试通道,影响正常测试等问题,文章研制了可投捞式洗井底筛堵.可投捞式洗井底筛堵主要由上接头、下接头、外管、内管、堵塞器等组成,它安装在偏心分注工艺管柱的尾部,起到了密闭注水管柱,同时满足从套管洗井,注水管返出洗井水的作用.通过在河南油田8口注水井中应用,取得了不错的效果,8口井无一口井出现聚合物、调剖液等进入油管堵塞测试通道,影响正常测试等问题,具有良好的推广应用前景.
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