FIELD: oil producing industry, particularly, compositions for water shutoff operation; applicable in regulation of filtration flows of oil formation in well workovers. SUBSTANCE: composition includes hydrochloric acid, water and additive in the form of blast-furnace slag with the following ratio of components, mas.%: blast-furnace slag, 3-10; hydrochloric acid, 6-12; water, the balance. EFFECT: increased rate of gel formation. 3 tbl, 3 ex
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Authors
Dates
2002-08-27—Published
2001-11-15—Filed