Published January 2011
The investigation of nitrogen containing reproduction of hydroxylacetophenones as a corrosion inhibitor in electrolyte - hydrocarbon systems
S. A. SardarovaThe influence of some nitrogen containing reproduction of hydroxylacetophenones on the corrosion process of steel-3 in the condition fitted to gas - condensate and oil wells, working with steel equipment, has been investigated by gravimetrical method. It has been defined that in the medium of NaCl - gasoline with the content of 500 mg/l hydrogen sulphide, there is definite dependence between the structures of combinations and their inhibitor activity. It has also been defined that among the investigated combinations 2-dimethyl- aminometoxy-5-bromacetophenon has the highest inhibiting property. That is why the shown substance was investigated in acid medium and in the condition fitted to oil wells working with steel equipments. Thus, the protection degree of steel-3 from corrosion reaches 95.2 - 100 % by adding 2-dimethyl- aminometoxy-5-bromacetophenon with the density of 200 mg/l to the medium of non-hydrogen sulphide, to the acid medium with the content of 800 mg/l hydrogen sulphide and also to the medium of NaCl-oil. At the same time the investigated combinations inhibit brittleness of steel-3 by hydrogen and reduce it 92.3 %. Carried out investigations have showed that aminomethyl reproductions of hydroxylacetophenones can be applied as inhibitors for safety of steel equipments in the exploitation of oil and gas-condensate wells.
