大港油田极浅层防砂技术研究与应用
Well Testing（2009）
Abstract
介绍了大港油田极浅层的防砂技术.对微压循环砾石充填防砂技术的工作原理、防砂工具、现场应用情况进行了阐述.其防砂技术主要做法是:实施全过程控砂,即射孔液采用防漏保护液、使用外径大高孔密射孔枪、起枪前进行预防砂、采取微压循环砾石充填防砂以及水力泵连续排液求产等技术.这套防砂技术通过8井次现场应用,成功率100%,未出现一次因出砂而影响后期试油工作,是解决极浅层防砂和试油的有效方法.
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Key words
Application,Dagang oilfield,Research,Sand control,Very shallow reservoir
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