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油套管钢在甲酸盐-磷酸盐复配完井液中的腐蚀行为

马磊 岳小琪 赵密锋 张慧娟 邢星 王华 张雷 路民旭

马磊, 岳小琪, 赵密锋, 张慧娟, 邢星, 王华, 张雷, 路民旭. 油套管钢在甲酸盐-磷酸盐复配完井液中的腐蚀行为[J]. 钻井液与完井液, 2020, 37(3): 398-404. doi: 10.3969/j.issn.1001-5620.2020.03.023
引用本文: 马磊, 岳小琪, 赵密锋, 张慧娟, 邢星, 王华, 张雷, 路民旭. 油套管钢在甲酸盐-磷酸盐复配完井液中的腐蚀行为[J]. 钻井液与完井液, 2020, 37(3): 398-404. doi: 10.3969/j.issn.1001-5620.2020.03.023
MA Lei, YUE Xiaoqi, ZHAO Mifeng, ZHANG Huijuan, XING Xing, WANG Hua, ZHANG Lei, LU Minxu. The Corrosion Behavior of Tubing and Casing Steels in Formate-Phosphate Compound Completion Fluid[J]. DRILLING FLUID & COMPLETION FLUID, 2020, 37(3): 398-404. doi: 10.3969/j.issn.1001-5620.2020.03.023
Citation: MA Lei, YUE Xiaoqi, ZHAO Mifeng, ZHANG Huijuan, XING Xing, WANG Hua, ZHANG Lei, LU Minxu. The Corrosion Behavior of Tubing and Casing Steels in Formate-Phosphate Compound Completion Fluid[J]. DRILLING FLUID & COMPLETION FLUID, 2020, 37(3): 398-404. doi: 10.3969/j.issn.1001-5620.2020.03.023

油套管钢在甲酸盐-磷酸盐复配完井液中的腐蚀行为

doi: 10.3969/j.issn.1001-5620.2020.03.023
基金项目: 

国家重大科技专项“超深超高压高温气井优快捷井与采气技术”课题中央财政资金(2016ZX05051003)

详细信息
    作者简介:

    马磊,工程师,1989年生,现在从事石油专用管及装备腐蚀与防护工作。E-mail:zhanglei@ustb.edu.cn

  • 中图分类号: TE257

The Corrosion Behavior of Tubing and Casing Steels in Formate-Phosphate Compound Completion Fluid

  • 摘要: 采用高温高压模拟浸泡试验并结合多种表面分析手段,对超级13Cr马氏体不锈钢(油管钢)和P110碳钢(套管钢)在不同体积百分比的甲酸钾-焦磷酸钾复配完井液的腐蚀行为进行了研究。结果表明,对于超级13Cr马氏体不锈钢,复配完井液的主要腐蚀风险来源于其中的S元素夹杂,产物膜中S的富集是造成其耐蚀性降低的主要原因;而对于P110碳钢,高温下腐蚀产物厚且疏松,甲酸盐比例的增加可以缓解其表面腐蚀产物的沉积,从而提高产物膜的致密性,提高其高温耐蚀性。

     

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出版历程
  • 收稿日期:  2020-02-23
  • 刊出日期:  2020-06-28

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