| 摘要 |
FIELD: corrosion protection. ^ SUBSTANCE: invention relates to means protecting oil-field equipment against hydrogen sulfide corrosion, in particular to product obtained by reaction of phosphorus-containing acid, nonionic surfactant, and ethanolamine at their molar ratio 1(0.8-1.2):(0.8-1.2), respectively. Phosphorus-containing acid is obtained by reaction of phosphorous acid with polyatomic alcohol at their molar ratio 1:(0.5-1.5). ^ EFFECT: enhanced protective and bactericidal properties. ^ 3 cl, 2 tbl, 15 ex |
