FIELD: oil industry, treatment of wells to increase their characteristics and productivity. SUBSTANCE: aqueous solution of still bottoms of production of synthetic glycerin "polyglycerin" is used in accordance with process of treatment of wells as reagent reducing swell of clays. Aqueous solution of mixture of anion-active and non-ionogenic surface active substances is additionally pumped into wells. EFFECT: increased efficiency of process of treatment of production and injection wells. 2 tbl
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METHOD OF DEVELOPING OIL DEPOSIT | 1998 |
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METHOD OF WELL TREATMENT | 1999 |
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METHOD FOR TREATING OIL BED | 1997 |
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Authors
Dates
1999-08-27—Published
1998-04-07—Filed