COMPOUND FOR DISPLACEMENT OF OIL FROM NONUNIFORM OIL BED Russian patent published in 1998 - IPC

FIELD: oil production industry. SUBSTANCE: this relates to compounds used for levelling of permeability of nonuniform oil bed. Compound for displacing oil from nonuniform oil bed has following components, mass%: used as high-molecular component is starch 0.5-1.0; used as alkaline agent is alkaline production waste from aircraft producing factories (in terms of sodium hydroxide) 1.2-1.8; used additionally is aluminium salt for bringing pH of compound to 6-7; water - the balance. Application of aforesaid compound allows for cutting expenses due to utilization of readily available and cheap reagents. EFFECT: higher efficiency. 2 tbl