Composite Pyridine Quaternary Ammonium Salt is synthesized by Composite Alkyl Pyridines
and Benzyl Chloride as well as adding small quantity of methanol. It has fine dispersibility and corrosion inhibition characteristics. It can be used as main ingredient for acidizing, produced water, oil-gas system and acid cleaning corrosion inhibitors. It has good formulation characteristics with other type
corrosion inhibitors and has high cost performance advantages.