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纳米聚合物微球封堵剂的制备及特性

王伟吉 邱正松 黄维安 钟汉毅 暴丹

王伟吉, 邱正松, 黄维安, 钟汉毅, 暴丹. 纳米聚合物微球封堵剂的制备及特性[J]. 钻井液与完井液, 2016, 33(1): 33-36. doi: 10.3969/j.issn.1001-5620.2016.01.007
引用本文: 王伟吉, 邱正松, 黄维安, 钟汉毅, 暴丹. 纳米聚合物微球封堵剂的制备及特性[J]. 钻井液与完井液, 2016, 33(1): 33-36. doi: 10.3969/j.issn.1001-5620.2016.01.007
WANG Weiji, QIU Zhengsong, HUANG Wei'an, ZHONG Hanyi, BAO Dan. Preparation and Characteristics of Nano Polymer Microspheres Used as Plugging Agent in Drilling Fluid[J]. DRILLING FLUID & COMPLETION FLUID, 2016, 33(1): 33-36. doi: 10.3969/j.issn.1001-5620.2016.01.007
Citation: WANG Weiji, QIU Zhengsong, HUANG Wei'an, ZHONG Hanyi, BAO Dan. Preparation and Characteristics of Nano Polymer Microspheres Used as Plugging Agent in Drilling Fluid[J]. DRILLING FLUID & COMPLETION FLUID, 2016, 33(1): 33-36. doi: 10.3969/j.issn.1001-5620.2016.01.007

纳米聚合物微球封堵剂的制备及特性

doi: 10.3969/j.issn.1001-5620.2016.01.007
基金项目: 十二五国家科技重大专项子课题"大位移井强抑制、高润滑水基钻井液技术研究及现场试验"(2011ZX05030-005-07)、国家自然科学基金资助项目"海洋深水浅层井壁稳定与水合物抑制的机理和新方法研究"(51474236)、中央高校基本科研业务费专项资金(13CX06033A)联合资助
详细信息
    作者简介:

    王伟吉,1987年生,现为中国石油大学(华东)油气井工程专业在读博士研究生,主要从事钻井液技术研究工作。电话15621075617,E-mail:wangweiji2007@126.com。

  • 中图分类号: TE282

Preparation and Characteristics of Nano Polymer Microspheres Used as Plugging Agent in Drilling Fluid

  • 摘要: 页岩具有极低的渗透率和极小的孔喉尺寸,传统封堵剂难以在页岩表面形成有效的泥饼,只有纳米级颗粒才能封堵页岩的孔喉,阻止液相侵入地层,维持井壁稳定,保护储层。以苯乙烯(St)、甲基丙烯酸甲酯(MMA)为单体,过硫酸钾(KPS)为引发剂,采用乳液聚合法制备了纳米聚合物微球封堵剂SD-seal。通过红外光谱、透射电镜、热重分析和激光粒度分析对产物进行了表征,通过龙马溪组岩样的压力传递实验研究了其封堵性能。结果表明,SD-seal纳米粒子分散性好,形状规则(基本为球形),粒度较均匀(20 nm左右),分解温度高达402.5℃,热稳定性好,阻缓压力传递效果显著,使龙马溪组页岩岩心渗透率降低95%。

     

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出版历程
  • 收稿日期:  2015-11-09
  • 刊出日期:  2016-01-30

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