COMPOUND FOR TREATING BOTTOM-HOLE ZONE OF WELL Russian patent published in 1998 - IPC

FIELD: oil and gas production industry. SUBSTANCE: compound for treating bottom-hole zone of well has following components, mass%: 30-45% solution in isopropyl alcohol of salts of primary amines of fraction C₁₀-C₁₆ and concentrate of low-molecular acids 0.05-0.50, polyglycols used in process of drying natural gas and containing, mass%: heavy hydrocarbons C₁₂ and higher 1-2, water 0.9-1.0, mechanical impurities 0.01-0.03, polyglycols - the balance; 8-14% water solution of muriatic acid - - the balance. Application of aforesaid compound ensures increased efficiency of treating bottom-hole zone of well created by quartz-bearing rock materials. EFFECT: higher efficiency. 2 tbl