注水海管硫化亚铁垢的在线清洗研究

Pipeline Technology and Equipment(2022)

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Abstract
海上某油田注水海管沉积大量污泥垢,海管缩颈4 cm,严重影响海管输送量,污泥垢主要成分为硫化亚铁等铁垢.针对硫化亚铁垢常规停产酸洗过程中存在硫化氢溢出的风险,介绍了一种硫化亚铁在线清洗技术及在线清洗工艺,该技术具有低腐蚀,不产生硫化氢的特点,有利于油田环境保护,保证了油田正常生产和海管的安全运行.
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