STRATUM WATERS FLOODING ISOLATION METHOD Russian patent published in 1995 - IPC

FIELD: oil extracting industry. SUBSTANCE: synthetic fatty acid production sulfate wastes streams and sediment forming reactant together with synthetic fatty acid production sulfate wastes streams are in series pumped in ratio of (3 8) 2. Calcium chloride or substance, that assists to form calcium chloride in reaction with rock of stratum, are used as reactant. As the latter they often use complex reactant "КОП-1" mixture of hydrochloric acid and hydrofluoric acid with their concentrations of 24 and 5 correspondingly. EFFECT: method is used in oil extraction industry. 1 tbl