Seeing that water shutoff agents of polyacrylamide-chromium gel type used at home have many shortcom

中文解释

针对目前国内使用的油井堵水剂聚丙烯酰胺铬凝胶存在可泵入时间短、堵剂用量小及有效期短等缺点,提出用二氧化硫脲代替铬凝胶配方中的硫代硫酸钠作为还原引发剂。

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