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油基钻井液劣质固相絮凝剂双十六烷基二甲基氯化铵

景岷嘉 李武泉 蒋官澄

景岷嘉, 李武泉, 蒋官澄. 油基钻井液劣质固相絮凝剂双十六烷基二甲基氯化铵[J]. 钻井液与完井液, 2021, 38(2): 164-169. doi: 10.3969/j.issn.1001-5620.2021.02.006
引用本文: 景岷嘉, 李武泉, 蒋官澄. 油基钻井液劣质固相絮凝剂双十六烷基二甲基氯化铵[J]. 钻井液与完井液, 2021, 38(2): 164-169. doi: 10.3969/j.issn.1001-5620.2021.02.006
JING Minjia, LI Wuquan, JIANG Guancheng. Research on Dihexadecyldimethyl Ammonium Chloride As A Poor Solid flocculant for Oil-based Drilling Fluid[J]. DRILLING FLUID & COMPLETION FLUID, 2021, 38(2): 164-169. doi: 10.3969/j.issn.1001-5620.2021.02.006
Citation: JING Minjia, LI Wuquan, JIANG Guancheng. Research on Dihexadecyldimethyl Ammonium Chloride As A Poor Solid flocculant for Oil-based Drilling Fluid[J]. DRILLING FLUID & COMPLETION FLUID, 2021, 38(2): 164-169. doi: 10.3969/j.issn.1001-5620.2021.02.006

油基钻井液劣质固相絮凝剂双十六烷基二甲基氯化铵

doi: 10.3969/j.issn.1001-5620.2021.02.006
详细信息
    作者简介:

    景岷嘉,工程师,硕士,1982年生,毕业于西南石油大学应用化学专业,现在从事钻井液技术研究工作。电话(0838)5151116;E-mail:jingmj_ccde@cnpc.com.cn

  • 中图分类号: TE254.4

Research on Dihexadecyldimethyl Ammonium Chloride As A Poor Solid flocculant for Oil-based Drilling Fluid

  • 摘要: 劣质固相对油基钻井液的性能影响大,且由于其粒径小难以被固控设备清除。絮凝剂能通过絮凝作用增大劣质固相粒径,但几乎都用于水基钻井液而少有用于油基钻井液。以高岭土作为油基钻井液劣质固相,通过静置观察、浊度分析、显微镜观察等方法,研究了双十六烷基二甲基氯化铵(DCDAC)对高岭土的絮凝作用。结果表明,DCDAC能加快高岭土的沉降速度,当加量为5%时,高岭土在48 h后基本沉淀完毕;静置5 h后,高岭土悬浮液的浊度降低率接近80%;通过光学显微镜观察发现,当DCDAC加量不小于4%时,高岭土出现明显的团聚行为;通过体系实验发现,离心后油基钻井液的密度及固相含量与DCDAC加量成反比,固相清除率与DCDAC的加量成正比,塑性黏度与动切力随着DCDAC的增加呈现出先降低后增大的趋势,说明DCDAC对油基钻井液中的高岭土有良好的絮凝作用,可用于清除油基钻井液中的劣质固相。

     

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  • 收稿日期:  2020-10-13

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