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一种新型高温酸化缓蚀剂的制备及其应用

张朔,  吕选鹏,  刘德正,  徐庆祥,  马田力,  黄其

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文章导航 > 钻井液与完井液  > 2017 >  34(5): 100-105
张朔, 吕选鹏, 刘德正, 徐庆祥, 马田力, 黄其. 一种新型高温酸化缓蚀剂的制备及其应用[J]. 钻井液与完井液, 2017, 34(5): 100-105. doi: 10.3969/j.issn.1001-5620.2017.05.019
引用本文: 张朔, 吕选鹏, 刘德正, 徐庆祥, 马田力, 黄其. 一种新型高温酸化缓蚀剂的制备及其应用[J]. 钻井液与完井液, 2017, 34(5): 100-105. doi: 10.3969/j.issn.1001-5620.2017.05.019
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ZHANG Shuo, LYU Xuanpeng, LIU Dezheng, XU Qingxiang, MA Tianli, HUANG Qi. Study and Application of a New Corrosion Inhibitor forHigh Temperature Acidization[J]. DRILLING FLUID & COMPLETION FLUID, 2017, 34(5): 100-105. doi: 10.3969/j.issn.1001-5620.2017.05.019
Citation: ZHANG Shuo, LYU Xuanpeng, LIU Dezheng, XU Qingxiang, MA Tianli, HUANG Qi. Study and Application of a New Corrosion Inhibitor forHigh Temperature Acidization[J]. DRILLING FLUID & COMPLETION FLUID, 2017, 34(5): 100-105. doi: 10.3969/j.issn.1001-5620.2017.05.019
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一种新型高温酸化缓蚀剂的制备及其应用

doi: 10.3969/j.issn.1001-5620.2017.05.019

  • 中国石油集团渤海钻探工程有限公司, 天津 300457

基金项目: 

中石油渤海钻探工程有限公司项目“高温酸化缓蚀剂的研究”（2016JXJF-01）。

详细信息
    作者简介:

    张朔,1986年生,博士,主要从事酸化压裂、油田化学等方面的研究工作。电话(022)25931573;E-mail:sanl2016@163.com

  • 中图分类号: TE357.12

Study and Application of a New Corrosion Inhibitor forHigh Temperature Acidization

  • CNPC Bohai Drilling Engineering Company Limited, Tianjin 300457

    摘要
  • 摘要: 为了满足高温高压井酸化施工的需求，以3-甲基吡啶，氯化苄为主要原料，合成了一种吡啶类季铵盐。在吡啶类季铵盐中复配一定比例的增效剂和表面活性剂，制备出一种新型高温酸化缓蚀剂HTCI-2，并对其基本性能进行评价。由评价结果可知，在180℃、16 MPa，20% HCl或者土酸，4.5%加量条件下，N80试片的腐蚀速率为38.1 g/（m2wh）和39.6 g/（m2wh）。通过SEM电镜扫描、EDS能谱测试和极化曲线测试可以看出，HTCI-2为一种以抑制阳极反应过程为主的混合型缓蚀剂。HTCI-2能在N80钢片表面形成一层致密的保护膜，有效地阻止酸液和钢铁表面的接触。HTCI-2不含有毒的炔类化合物，与常用的酸化添加剂配伍性良好。在滨深油田滨深22-8井进行了现场试验，工程施工顺利。

     

    Abstract: A pyridine quaternary ammonium salt has been developed to satisfy the needs of HTHP acidization operations. The pyridine quaternary ammonium salt was synthesized with 3-methryl pyridine and benzyl chloride as the main raw materials, and a certain ratio of extender and surfactant were added to the product to produce a corrosion inhibitor, HTCI-2 used in high temperature acidizing operations. Evaluation of HTCI-2 showed that the corrosion rate of an N80 coupon was 38.1 g/(m2wh) or 39.6 g/(m2wh) under these conditions:180℃,16 MPa, 20% HCl (or 12%HCl + 3%HF) and 4.5% of HTCI-2. SEM analyses, EDS energy spectrum and polarization curve experiments showed that HTCI-2 is a hybrid corrosion inhibitor that functions through inhibiting anodic reaction. By forming a tight filming against the surface of N80 coupon, HTCI-2 effectively prevents the surface of the steel from being contacted with acids. HTCI-2 is free of toxic alkyne compounds, and is compatible with commonly used additives for acidizing operations. Acidizing job in the well Binshen22-8 in Binshen block was conducted smoothly.

     

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出版历程
  • 收稿日期:  2017-06-23
  • 刊出日期:  2017-09-30

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