INHIBITOR GREASE Russian patent published in 2025 - IPC C23F11/00 C10M101/00 

FIELD: oil and gas industry.

SUBSTANCE: invention relates to oil and gas industry and can be used in development and operation of hydrocarbon deposits with produced corrosive-aggressive products due to high content of carbon dioxide. Inhibiting grease contains 95 wt.% of “Арматол-60” sealing grease, which is a synthetic oil and an inorganic thickener with addition of additives, and 5 wt.% of a corrosion inhibitor. As a corrosion inhibitor, the inhibitor grease contains a corrosion inhibitor of the “ИНКОРГАЗ-112-М” brand, which is a solution of nitrogen-containing compounds in a mixture of alcohol and hydrocarbon solvents and additionally contains additives providing its use in gas production and treatment, or corrosion inhibitor “КорМастер 1045”, which is a solution of modified alkylimidazolines, alkylpyridines and salts of quaternary ammonium compounds in the medium of hydrocarbon solvents, or corrosion inhibitor “Сонкор-9020”, which is chemically modified polyamines in an organic solvent.

EFFECT: providing anticorrosion protection of dead-end stagnant zones, standby or periodically used branch pipes of process devices, flange connections of process pipelines subject to corrosion.

1 cl, 3 tbl