油田高温酸化缓蚀剂的合成及缓蚀性能

Synthesis and Performance of an Oilfield High-temperature Acidification Corrosion Inhibitor

利用甲醛、苯乙酮、芳香胺通过Mannich反应合成一种油田高温酸化缓蚀剂。并利用失重法、电化学片和SEM分析等方法研究了该缓蚀剂的复配性能及缓蚀效果。通过试验得出了在甲醛、苯乙酮和芳香胺的摩尔比为4∶2∶1时,合成的Mannich化合物缓蚀效果最佳。

An oil-field high-temperature acidification corrosion inhibitor was synthesized through Mannich reaction by using formaldehyde, acetophenone and aromatic amine. Weight-loss method, electrochemical method and SEM were used to investigate the compound property and inhibition efficiency of this inhibitor. The results indicated that when the the molar ratio of formaldehyde, acetophenone and aromatic amine was 4 ： 2 ： 1, the inhibition efficiency of Mannich compound was good.