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含离子液体链段抗高温高钙降滤失剂

杨丽丽 杨潇 蒋官澄 史亚伟 王腾达

杨丽丽, 杨潇, 蒋官澄, 史亚伟, 王腾达. 含离子液体链段抗高温高钙降滤失剂[J]. 钻井液与完井液, 2018, 35(6): 8-14. doi: 10.3969/j.issn.1001-5620.2018.06.002
引用本文: 杨丽丽, 杨潇, 蒋官澄, 史亚伟, 王腾达. 含离子液体链段抗高温高钙降滤失剂[J]. 钻井液与完井液, 2018, 35(6): 8-14. doi: 10.3969/j.issn.1001-5620.2018.06.002
YANG Lili, YANG Xiao, JIANG Guancheng, SHI Yawei, WANG Tengda. A High Temperature Calcium Resistant Filter Loss Reducer Containing Ionic Liquid Segments[J]. DRILLING FLUID & COMPLETION FLUID, 2018, 35(6): 8-14. doi: 10.3969/j.issn.1001-5620.2018.06.002
Citation: YANG Lili, YANG Xiao, JIANG Guancheng, SHI Yawei, WANG Tengda. A High Temperature Calcium Resistant Filter Loss Reducer Containing Ionic Liquid Segments[J]. DRILLING FLUID & COMPLETION FLUID, 2018, 35(6): 8-14. doi: 10.3969/j.issn.1001-5620.2018.06.002

含离子液体链段抗高温高钙降滤失剂

doi: 10.3969/j.issn.1001-5620.2018.06.002
基金项目: 

中国石油大学(北京)启动基金及拔尖人才项目(2462015YJRC023)和国家自然基金青年基金(51604290)和面上基金项目(51874329)。

详细信息
    作者简介:

    杨丽丽,副教授,硕士生导师,2015年毕业于中国科学院化学研究所,主要从事油气井化学与工程、油气层损害与保护、油田化学等方面的教学和科研工作。E-mail:yangll@cup.edu.cn

  • 中图分类号: TE254.4

A High Temperature Calcium Resistant Filter Loss Reducer Containing Ionic Liquid Segments

  • 摘要: 深井超深井钻进过程中时常出现高温高钙恶劣环境,为了解决由此引发的滤失量过大问题,利用具有抗高温性能的离子液体1-乙烯基-3-乙基咪唑溴盐(VeiBr)、抗钙性能的2-丙烯酰胺基-2-甲基丙磺酸(AMPS)与丙烯酰胺(AM)进行三元共聚,得到了抗高温抗高钙降滤失剂PASV。并对制备PASV的各单体加量进行了优化,最终确定在单体质量比为VeiBr:AM:AMPS=0.53:1:2时,聚合物表现出最佳降滤失行为。室内评价结果表明,PASV抗高温性能优异,初始分解温度达290℃,可满足大多数钻井需要;当钙离子浓度为40 000 mg/L时,加入2% PASV可使基浆在150℃老化前后滤失量分别降为5.2 mL与8.6 mL,显示出良好的抗高钙降滤失效果。机理分析表明,PASV通过牢固的离子键与氢键有效吸附在黏土颗粒上,并能屏蔽Ca2+对黏土的电性中和与絮凝作用,促进黏土颗粒的分散,改善滤饼质量,从而形成致密的滤饼,降低滤失量。

     

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出版历程
  • 收稿日期:  2018-11-05
  • 刊出日期:  2018-11-30

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