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钻井液用微乳液润滑剂NE的研究与应用

董兵强 邱正松 邓智 张华莲 康远波

董兵强, 邱正松, 邓智, 张华莲, 康远波. 钻井液用微乳液润滑剂NE的研究与应用[J]. 钻井液与完井液, 2018, 35(3): 54-59. doi: 10.3969/j.issn.1001-5620.2018.03.009
引用本文: 董兵强, 邱正松, 邓智, 张华莲, 康远波. 钻井液用微乳液润滑剂NE的研究与应用[J]. 钻井液与完井液, 2018, 35(3): 54-59. doi: 10.3969/j.issn.1001-5620.2018.03.009
DONG Bingqiang, QIU Zhengsong, DENG Zhi, ZHANG Hualian, KANG Yuanbo. Study and Application of a Drilling Fluid Microemulsion Lubricant NE[J]. DRILLING FLUID & COMPLETION FLUID, 2018, 35(3): 54-59. doi: 10.3969/j.issn.1001-5620.2018.03.009
Citation: DONG Bingqiang, QIU Zhengsong, DENG Zhi, ZHANG Hualian, KANG Yuanbo. Study and Application of a Drilling Fluid Microemulsion Lubricant NE[J]. DRILLING FLUID & COMPLETION FLUID, 2018, 35(3): 54-59. doi: 10.3969/j.issn.1001-5620.2018.03.009

钻井液用微乳液润滑剂NE的研究与应用

doi: 10.3969/j.issn.1001-5620.2018.03.009
基金项目: 

国家自然科学基金“高温高密度高矿化度钻井液流变性的调控机理及新方法”(U1562101);重庆市“科技创新领军人才支持计划”(CSTCCXLJRC201712);重庆市科研院所绩效激励引导专项“页岩气储层纳米乳液防水锁剂研究”(cstc2017jxjl90001)。

详细信息
    作者简介:

    董兵强,工程师,硕士,1990年生,毕业于中国石油大学(华东)石油与天然气工程,现在从事钻井液技术研究工作。电话15689131689;E-mail:dbqs123@163.com/qiuzs63@sina.com。

  • 中图分类号: TE254.4

Study and Application of a Drilling Fluid Microemulsion Lubricant NE

  • 摘要: 当前钻井液用液体润滑剂存在抗温性能差、制备工艺复杂、起泡率及荧光级别高等难题,制约了水平井钻井井眼的有效延伸,降低了钻井效率。结合胶体与界面化学基础理论,以液态石蜡、Span80及Tween80等为原料,研发出一种微乳液润滑剂NE,并通过室内实验评价了其性能,分析了其主要润滑机理。研究结果表明,NE稀释后形成的纳米液滴呈正电性,平均粒径在187~258 nm之间;加入2.0% NE后膨润土浆的润滑系数降低率为83.8%,泥饼黏附系数降低率为74.2%;NE可抗160℃高温,耐温性良好,荧光级别为2级,起泡率低,与钻井液配伍性良好;基于吸附作用与纳米效应,NE可良好地吸附在矿物与金属钻具表面,大幅提高润滑效率。现场应用结果表明,NE可大幅降低钻柱扭矩与摩阻,减少卡钻事故发生频率,满足水平井段钻井液润滑性的技术要求。

     

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出版历程
  • 收稿日期:  2018-01-09
  • 刊出日期:  2018-05-30

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