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抗180℃高温低腐蚀酸液体系构建及应用

何世云

何世云. 抗180℃高温低腐蚀酸液体系构建及应用[J]. 钻井液与完井液, 2020, 37(2): 244-249. doi: 10.3969/j.issn.1001-5620.2020.02.019
引用本文: 何世云. 抗180℃高温低腐蚀酸液体系构建及应用[J]. 钻井液与完井液, 2020, 37(2): 244-249. doi: 10.3969/j.issn.1001-5620.2020.02.019
HE Shiyun. Optimization of a High Temperature Low Corrosivity Acid Fluid for Application at 180℃ High Temperature[J]. DRILLING FLUID & COMPLETION FLUID, 2020, 37(2): 244-249. doi: 10.3969/j.issn.1001-5620.2020.02.019
Citation: HE Shiyun. Optimization of a High Temperature Low Corrosivity Acid Fluid for Application at 180℃ High Temperature[J]. DRILLING FLUID & COMPLETION FLUID, 2020, 37(2): 244-249. doi: 10.3969/j.issn.1001-5620.2020.02.019

抗180℃高温低腐蚀酸液体系构建及应用

doi: 10.3969/j.issn.1001-5620.2020.02.019
详细信息
    作者简介:

    何世云,高级工程师,1972年生,毕业于西南石油学院油藏工程专业,现从事井下特种作业技术研究和管理工作。电话(0838)2409254;E-mail:hesy.osxn@sinopec.com

  • 中图分类号: TE357.12

Optimization of a High Temperature Low Corrosivity Acid Fluid for Application at 180℃ High Temperature

  • 摘要: 针对高温深井酸化施工井下温度高、井下管柱和工具腐蚀严重的恶劣工况,笔者通过分子结构设计和合成,研发了抗180℃高温的新型高温缓蚀剂,并在此基础上优选其他助剂构建了2套抗180℃高温低腐蚀酸液体系。实验结果表明:①该缓蚀剂在180℃下,N80钢片在常规酸腐蚀速度为70 g/m2·h,具有良好的缓蚀性能;②体系无沉淀,不分层,具有良好的配伍性能和较高的抗滤失性;③在180℃下,N80钢片在0.4%和0.8%胶凝酸体系的平均腐蚀速率分别为87.3g/m2·h、95.8 g/m2·h。现场应用表明,抗180℃高温低腐蚀酸液体系满足高温深井酸压施工井下管柱和工具安全要求,施工结束后出井油管内壁光滑,酸压前后酸液性能表现良好,井下安全正常。

     

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  • 收稿日期:  2020-01-05
  • 刊出日期:  2020-04-28

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