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新型屏蔽暂堵剂ZDJ室内性能评价

郭丽梅 薛锦华 陈曦

郭丽梅, 薛锦华, 陈曦. 新型屏蔽暂堵剂ZDJ室内性能评价[J]. 钻井液与完井液, 2016, 33(1): 37-41,47. doi: 10.3969/j.issn.1001-5620.2016.01.008
引用本文: 郭丽梅, 薛锦华, 陈曦. 新型屏蔽暂堵剂ZDJ室内性能评价[J]. 钻井液与完井液, 2016, 33(1): 37-41,47. doi: 10.3969/j.issn.1001-5620.2016.01.008
GUO Limei, XUE Jinhua, CHEN Xi. Laboratory Evaluation of a New Temporary Plugging Agent ZDJ[J]. DRILLING FLUID & COMPLETION FLUID, 2016, 33(1): 37-41,47. doi: 10.3969/j.issn.1001-5620.2016.01.008
Citation: GUO Limei, XUE Jinhua, CHEN Xi. Laboratory Evaluation of a New Temporary Plugging Agent ZDJ[J]. DRILLING FLUID & COMPLETION FLUID, 2016, 33(1): 37-41,47. doi: 10.3969/j.issn.1001-5620.2016.01.008

新型屏蔽暂堵剂ZDJ室内性能评价

doi: 10.3969/j.issn.1001-5620.2016.01.008
基金项目: 国家科技重大专项(2011ZX05013)
详细信息
    作者简介:

    郭丽梅,教授,1961年生,女,主要从事油田化学品的研究。电话(022)60601152;E-mail:glmei@tust.edu.cn。

  • 中图分类号: TE254.4

Laboratory Evaluation of a New Temporary Plugging Agent ZDJ

  • 摘要: 针对传统保护油气层技术和弹性体屏蔽剂的不足,合成了一种具有壳核结构的新型屏蔽暂堵剂ZDJ,该屏蔽暂堵剂利用其可变形特点嵌入孔喉表面,起到保护油气层作用,不需要其粒径与地层孔喉直径及分布准确匹配。新型屏蔽暂堵剂由一定量的AM、AMPS、DMC、N,N-亚甲基双丙烯酰胺和无机试剂A,通过自由基聚合法合成,中间黑色部分为刚性核,边缘透明部分为弹性体。其性能评价结果表明,当无机试剂A质量分数为50%时,ZDJ封堵性能最佳;0.5% ZDJ的砂层侵入深度为2.3~5.9 cm,API滤失量为8.5 mL;将ZDJ、磺化沥青和LV-CMC进行复配,当3者比例为4.5:1.5:1.0时,钻井液封堵性和降滤失性达到最佳,1.0%复配体系的砂层侵入深度为0.6~2.7 cm,API滤失量为6.1mL,200×10-3~300×10-3 μm2人造岩心渗透率暂堵率为99.2%,渗透率恢复率为99.3%;说明ZDJ、磺化沥青和LV-CMC具有较好的协同增效作用,能有效阻止钻井液流体和固相颗粒侵入油气储层孔隙,到达保护油气储层目的。

     

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出版历程
  • 收稿日期:  2015-08-19
  • 刊出日期:  2016-01-30

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