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温敏性膨胀微胶囊防气窜水泥浆体系

张兴国 于学伟 郭小阳 杨吉祥 鄢锐 李早元

张兴国, 于学伟, 郭小阳, 杨吉祥, 鄢锐, 李早元. 温敏性膨胀微胶囊防气窜水泥浆体系[J]. 钻井液与完井液, 2018, 35(1): 71-76. doi: 10.3969/j.issn.1001-5620.2018.01.014
引用本文: 张兴国, 于学伟, 郭小阳, 杨吉祥, 鄢锐, 李早元. 温敏性膨胀微胶囊防气窜水泥浆体系[J]. 钻井液与完井液, 2018, 35(1): 71-76. doi: 10.3969/j.issn.1001-5620.2018.01.014
ZHANG Xingguo, YU Xuewei, GUO Xiaoyang, YANG Jixiang, YAN Rui, LI Zaoyuan. A Temperature Sensitive Expanding Microcapsule Anti-Gas-Channeling Cement Slurry[J]. DRILLING FLUID & COMPLETION FLUID, 2018, 35(1): 71-76. doi: 10.3969/j.issn.1001-5620.2018.01.014
Citation: ZHANG Xingguo, YU Xuewei, GUO Xiaoyang, YANG Jixiang, YAN Rui, LI Zaoyuan. A Temperature Sensitive Expanding Microcapsule Anti-Gas-Channeling Cement Slurry[J]. DRILLING FLUID & COMPLETION FLUID, 2018, 35(1): 71-76. doi: 10.3969/j.issn.1001-5620.2018.01.014

温敏性膨胀微胶囊防气窜水泥浆体系

doi: 10.3969/j.issn.1001-5620.2018.01.014
基金项目: 

国家自然科学基金“基于多相渗流理论的环空气窜机理及应用基础研究”(51574203)。

详细信息
    作者简介:

    张兴国,博士,副教授,1974年生,现在主要从事油气井固井方面的教学与科研工作。电话15881191152;E-mail:772376058@qq.com。

  • 中图分类号: TE256.3

A Temperature Sensitive Expanding Microcapsule Anti-Gas-Channeling Cement Slurry

  • 摘要: 以丙烯腈(AN)、甲基丙烯酸甲酯(MMA)和丙烯酸甲酯(MA)共聚物为壁材,异丁烷为芯材,采用悬浮聚合法制备了一种温敏性膨胀微胶囊防气窜剂,并使用激光粒度分析仪、扫描电子显微镜、油井水泥水窜/气窜模拟分析仪和水泥浆凝结收缩测试仪,探索了异丁烷用量对温敏性膨胀微胶囊防气窜剂膨胀性能的影响,评价了温敏性膨胀微胶囊防气窜水泥浆体系的防气窜效果。实验结果表明,在单位质量(100 g)的去离子水中加入质量比为3∶0.4∶2的AN∶MA∶MMA,30%的异丁烷,1%的引发剂过氧化月桂酰(LPO),0.1%的交联剂1,4-丁二醇二甲基丙烯酸酯(BDDMA),20%的分散剂纳米二氧化硅,反应温度为65℃,在氮气保护下制备得到温敏性膨胀微胶囊防气窜剂。该样品初始膨胀温度为70℃,最佳膨胀温度为83℃,最高耐温达120℃,膨胀倍率约为50。油井水泥水窜/气窜模拟分析测试和水泥浆凝结收缩测试结果显示,温敏性膨胀微胶囊防气窜剂添加量大于等于2%时能弥补水泥水化过程中的体积收缩,其水泥浆体系防气窜性能良好。

     

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出版历程
  • 收稿日期:  2017-10-13
  • 刊出日期:  2018-01-30

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