COMPOSITION FOR PETROLEUM DISPLACEMENT Russian patent published in 1995 - IPC

FIELD: oil and gas mining industry. SUBSTANCE: composition has the following components, wt.-%: surface-active substance of vat residue in distillation of synthetic fatty acid (carbon atom number 21 and above) with a mixture of chlorides from the stage of glycerol dichlorohydrin isolation in production of epichlorohydrin at ratio 1:1 0.10-0.15, and water - the rest. Chloride mixture from the stage of glycerol isolation in production of epichlorohydrin has the following components, wt.-%: trichloropropane 42-45; glycerol dichlorohydrin 7-10; 1,2-dichloropropene, and tetrachloroisopropyl ether 34-40. EFFECT: high petroleum-displacing capability of composition. 2 tbl