Corrosion inhibitors series «Unikor-3»

Documents for products: Technical conditions / MSDS / SEE conclusion / Passport of quality


  • for the protection of underground and surface equipment of oil and gas production wells, installations and pipelines from atmospheric, oxygen, carbon dioxide, hydrogen sulfide and general acid corrosion
  • have increased lubricating properties and are used as additives to mineral lubricants in simple units


  • form a protective film on the walls of the equipment that prevents corrosion
  • act as absorbers of acidic components of well products


  •  closed cycle systems at oil and gas sector production and processing facilities (oil and gas installations, production wells, pipelines, transportation systems, liquid hydrocarbon storage systems, formation and wastewater disposal systems, etc.

Characteristics of the line of anti-corrosion products

Name of the inhibitor  Composition  Type of corrosion  Solubility Z, %, not less *
hydrocarbons  aromatic hydrocarbons  alcohols  water 
Unicor-3.01 and 3.02  Solution of anti-corrosion additives and surfactants of ionic and non-ionic types in alcohols 

О2, СО2, H2S

+ + 80,0
Unicor-3.03, 3.04 and 3.05  Mixture of complex amines, fatty acids and surfactants in combination with solvents of organic origin 

О2, СО2, H2S

+ + + 90,0
Unicor-3.06  Acid corrosion inhibitor, fatty amines  Water solutions HCl + + 80,0
Unicor-3.07 and 3.08  Solution of a mixture of fatty amino acids and surfactants in organic solvents  О2, СО2, atmospheric + + 90,0

* Efficiency tests were carried out in accordance with GOST 9.506-87, and in accordance with the standards and requirements for the aggressive environment from the profile mining enterprises of Ukraine.

Product effectiveness in different model environments

Type of corrosion  Model environment  С,
The method of inhibition Еlectro-chem. method*
Z, %
Grav. method**
Z, %

О2, СО2

Water 75% + 30 mg/l NaCl + СH3COOH (up to рН=4,0) + Diesel 25% 150 +60 6 injection  Not lower than 96,0  Not lower than 90,0 

О2, СО2, H2S

Water 75% (3% NaCl +HCl (up to рН 3,5÷4) + 2 g/l H2S) + Diesel 25%
H2S gas was obtained from by FeS and HCl reaction:
FeS + 2HCl = FeCl2 + H2S
150 +60 6 injection  Not lower than 98,0  Not lower than 90,0 
Water solutions HCl 15% water solution HCl 1000 +60 6 injection  Not lower than 85,0  Not lower than 80,0 

* Electrochemical studies were carried out using a corrosimeter with bimetallic electrodes.

* * Gravimetric studies were carried out in a hermetic glass autoclave at a temperature of +60˚С, with constant stirring on a magnetic stirrer. The samples are immersed in the corrosion solution in proportion to the content of the model medium so that ¼ of the sample is in the hydrocarbon phase, and ¾ is in the electrolyte for 6 hours.

Foam characteristics *

С, ppm V of foam, ml  Tendency to foaming 
Without inhibitor  120  Low 
200   110  Low 
500   100  Low 
1000   100  Low 
2000   100  Low 

* Testing was carried out on a 25% solution of DEA in water. The initial test volume of liquid, which was taken as “0” – 100 ml.

Emulsifying ability *

The emulsifying ability in the “water-hydrocarbon” system is 1:1, with an inhibitor concentration of 2000 ppm – low. Emulsion separation time – not more than 10 min.

All products are manufactured in accordance with the approved specifications, meeting all quality and efficiency requirements, and are sold only after careful analysis of the quality of both raw materials and finished products.

Each manufactured batch is accompanied by original quality passports.

Didn’t find the right product?
Contact us by filling out the feedback form