NRG-SURFO COR is a series of additives specially developed surfactant for use as active components of corrosion inhibitors in the oil industry. The main component for the synthesis of NRG-SURFO PRO surfactants is 1-hydroxyethyl-2-alkylimidazoline. Corrosion inhibitors based on NRG-SURFO COR grades В, D, E have proven themselves both in protection against carbon dioxide and hydrogen sulfide corrosion.