Acid corrosion inhibitor

Details Acid corrosion inhibitor Acid corrosion inhibitor

1999-05-27

2000-09-12

Tucker, Philip

Compositions

Preservative agents

Anti-corrosion

252396, 507939, 507934, 507263, 507268, 507252, 507254, 507255, 507256, 507257, 507258, 507259, C23F 1100, C09K 300

Patent

active

061173649

ABSTRACT:
An acid corrosion inhibitor composition is provided for petroleum wells and water wells subjected to stimulation with acid solutions. The inhibitor combines cinnamaldehyde and an organo-sulfur compound. The inhibitor provides a reduced rate of corrosion and fewer instances of pitting than inhibitors which include cinnamaldehyde alone. The inhibitor does not suffer from the well-known oil field aldehyde/polyacrylamide crosslinking incompatibility. The enhanced performance by the inhibitor of the present invention is provided by a synergistic action between the cinnamaldehyde and an organo-sulfur compound.

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