FIELD: oil and gas industry.
SUBSTANCE: invention relates to oil and gas industry, in particular, to remedial cementing in oil and gas wells. Composition for remedial cementing in wells, including mikrodur R-U, polyfunctional modifier PFM-ISO, superplasticiser F-10 and water in water-cement ratio of 1 in following ratio of components, wt%: mikrodur R-U 48.75–49.05, polyfunctional modifier PFM-ISO 1.0–1.2 %, superplasticiser F-10 0.9–1.3 %, water – balance.
EFFECT: providing insulation of water in reservoirs of any permeability, fixation thereof in well bore zone, elimination of behind-casing flows, elimination of bottom water inflow to installation of screen in plane, repair of production strings.
1 cl, 7 tbl
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