FIELD: mining industry.
SUBSTANCE: invention relates to repairing holes. The composition for insulation of deposit waters inflow interval comprises polyurethane, solvent and the polymerization process regulating agent wherein it comprises "Component Poroplast plus A-3017B" as polyurethane, "Polyester SG-500" as a solvent and electrolyte aqueous solution with the content of salts 300-350 g/l, not less, as the polymerization process regulating agent in the following ratio of components, wt.-%: "Component Poroplast plus A-3017B", 70-95; "Polyester SG-500, 5-30, and indicated electrolyte aqueous solution, 5-15 above 100%. Invention provides enhancing quality of insulation of deposit waters inflow interval in the hole, accelerating process of its preparing and pumping in the composition.
EFFECT: valuable technical properties of composition.
4 tbl
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| METHOD FOR ISOLATION OF WATER INFLUX, GAS INFLUX OR LOST CIRCULATION ZONES | 2002 |
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| WATER INFLOW SHUT-OFF COMPOSITION FOR OIL AND GAS WELLS | 2005 |
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