The APS CI group chemical are specially formulated compounds.Their primary organic bases are:

• Nitrogenous compounds
• Sulphur compounds
• Fatty alkyl phosphate esters
• Oil

The main group that makes up Oilfield Corrosion Inhibitors are the NITROGENOUS GROUP. Nitrogenous Compounds:

• Salts of nitrogenous compounds with carboxylic acids.
• Amides and Imidazolines.
• Quaternary ammonium compounds.
• Ethoxylated mines/amides/imidazolines
• Nitrogen heterocyclics.