FIELD: oil and gas production industry. SUBSTANCE: compound can be used in repair and insulation work and it contains water solution of copolymer - partially hydrolyzed product of hydrolysis of polyacrylonitrile with rate of hydrolysis equal to 65%, surface active substance - sulphonol and sulfuric chromium. EFFECT: higher efficiency.
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Authors
Dates
1997-03-20—Published
1996-08-22—Filed