Process for stimulating petroleum production wells

E - Fixed Constructions – 21 – B

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E21B 43/24 (2006.01) C09K 8/584 (2006.01) C09K 8/86 (2006.01)

Patent

CA 1217931

- 1 - Abstract of the disclosure Process for stimulating petroleum production wells by injecting, into the production well, a solution of higher aromatics (high-flash aromatics) which contains a mixture comprising 50-90% of an oxyalkylated C12-C22-mono- or -di-alkylamine or alkenylamine and 10 to 50% of a petro- leum emulsion-breaker. In addition, the solution can also contain oxyalkylated alkylphenols, fatty acids and glycol ethers. This stimulation method produces an excel- lent influx of oil, a very high oil table and hence a sig- nificantly raised rate of production.

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