COMPOSITION FOR TREATMENT OF BOTTOMHOLE OIL FORMATION ZONE AND/OR FOR INCREASE OF OIL RECOVERY

摘要

FIELD: oil production. ^ SUBSTANCE: composition contains, in mass percent: 2.0-25.0 of supplement C-150 as an oil sulfonate; 1.5-20.0 of oxyethylated isononyl phenols with the oxyethylation degree 4-12; hydrocarbon solvent - the remaining. ^ EFFECT: low power inputs and prevention of precipitation at storage. ^ 40 ex, 2 tbl