abstract |
FIELD: oil and gas production. SUBSTANCE: composition contains 25-38 wt % oxyethylidenephosphonic acid, 20-31 wt % alkanolamine, 8-18 wt % methyl alcohol or ethylene glycol, and water - the balance. EFFECT: enabled prevention of deposits including iron sulfides, oxides, and hydroxides, which is effective under harder conditions and having lower freezing temperature. 1 tbl, 11 ex |