FIELD: oil and gas industry.
SUBSTANCE: cement grouting light-weight mixture includes the following, wt %: grouting portland cement 65.9-69.5; water-soluble polymer 0.1-0.5; complex mineral addition - KMD-SO with the following chemical compound, wt %: SiO2 55.0-70.0; Al2O3 16.0-25.0; Fe2O3 1.0-4.0; CaO 10.0-20.0; MgO 0.1-3.5; Na2O 0.1-1.4; K2O 0.2-3.5; TiO2 0.6-1.5 with particle size of not more than 500 mcm, the rest.
EFFECT: decreasing density, water segregation and filtration speed, increasing strength and adhesive characteristics.
4 cl, 2 tbl
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