For oilfield chemical additives, such as clay anti-swelling agent, thickening agent used oil acidification.

聚丙烯酰胺还可用于油田化学助剂，如粘土防膨剂、油田酸化用稠化剂。

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For oilfield chemical additives, such as clay anti-swelling agent, thickening agent used oil acidification.

聚丙烯酰胺还可用于油田化学助剂，如粘土防膨剂、油田酸化用稠化剂。

youdao