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微乳液油基钻井液清洗液的研制与应用

卜继勇 赵春花 童坤 孙德军

卜继勇, 赵春花, 童坤, 孙德军. 微乳液油基钻井液清洗液的研制与应用[J]. 钻井液与完井液, 2018, 35(2): 68-72. doi: 10.3969/j.issn.1001-5620.2018.02.011
引用本文: 卜继勇, 赵春花, 童坤, 孙德军. 微乳液油基钻井液清洗液的研制与应用[J]. 钻井液与完井液, 2018, 35(2): 68-72. doi: 10.3969/j.issn.1001-5620.2018.02.011
BU Jiyong, ZHAO Chunhua, TONG Kun, SUN Dejun. Development and Application of Oil Base Mud Cleansing Fluid[J]. DRILLING FLUID & COMPLETION FLUID, 2018, 35(2): 68-72. doi: 10.3969/j.issn.1001-5620.2018.02.011
Citation: BU Jiyong, ZHAO Chunhua, TONG Kun, SUN Dejun. Development and Application of Oil Base Mud Cleansing Fluid[J]. DRILLING FLUID & COMPLETION FLUID, 2018, 35(2): 68-72. doi: 10.3969/j.issn.1001-5620.2018.02.011

微乳液油基钻井液清洗液的研制与应用

doi: 10.3969/j.issn.1001-5620.2018.02.011
详细信息
    作者简介:

    卜继勇,工程师,2004年毕业于西南石油大学应用化学专业获硕士学位,现主要从事与钻完井液有关的技术支持服务与管理工作。电话13763082503;E-mail:pujy@cosl.com.cn。

  • 中图分类号: TE254.2

Development and Application of Oil Base Mud Cleansing Fluid

  • 摘要: 针对微乳液型油基钻井液清洗液适用温度范围窄,且在高盐情况下易失效的问题,选用非离子表面活性剂BrijA和阴离子表面活性剂SJB制备了一种耐温抗盐的油基钻井液清洗液PF-MOCLEAN。通过室内实验,研究了表面活性剂的配比和浓度对PF-MOCLEAN清洗效果的影响,确定了油基钻井液清洗液PF-MOCLEAN的最优组成,即SJB与Brij A的复配比为2:1,且2者总加量为60%。清洗液PF-MOCLEAN遇到油基钻井液后能够自发增溶油相形成微乳液,具有界面张力超低、增溶能力强、扩散速率快等优点,能够在40~120℃及高盐含量下有效地清除黏附在套管和井壁上的油基钻井液,清洗效率高达95%,并将套管和井壁的润湿性由亲油性变为亲水性,有利于储层保护和现场固井作业。该剂在南海区域取得了很好的应用效果,应用前景广阔。

     

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出版历程
  • 收稿日期:  2017-10-05
  • 刊出日期:  2018-03-30

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