FIELD: oil and gas production. SUBSTANCE: when combustion front approaches production well, caustic soda or calcined soda solution, or sodium silicate solution, or mixture of those solutions with concentration of alkali reagents 0.1 to 15% is injected into well, after which alkali solution is forced through by at least 30 cu.m of sweet water. EFFECT: reduced corrosion activity, temperature, and water content in product. 1 tbl
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Authors
Dates
2001-01-27—Published
1999-05-07—Filed