oil industry. SUBSTANCE: oil-expelling agents can be used to raise oil recovery from pools in oil fields developed by flooding without antibacterial treatment of pumped water. Products of reaction of hexamethylene tetramine and waste of production of epichlorohydrin of light fraction and of other chlorine-derivatives of non-saturated hydrocarbons of series C3-C4 displaying bactericide activity are utilized in the capacity of oil-expelling agents. EFFECT: increased efficiency of oil recovery from pools. 2 tbl
