FIELD: oil industry.
SUBSTANCE: acid composition for treatment of bottomhole formation zone of heterogeneous carbonate reservoirs contains, wt. %: hydrochloric acid 15–25; emulsifier NF-15 0.4–1; Iran light oil 10–20; corrosion inhibitor ICU-118 0.04–0.1; water - balance.
EFFECT: technical result is equal efficiency of action on all opened productive horizons with significant difference in filtration-capacitance properties.
1 cl, 3 tbl
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