FIELD: gas and oil production.
SUBSTANCE: according to procedure for preparation of light-weight magnesium-silicate propping agent including heat treatment of magnesium containing component - source of magnesium oxide, combined mixture with silica-containing component, granulation of produced charge, produced granules roasting and their spread, charge contains (in terms of calcinated substance) wt %: SiO2 64-72, MgO 11-18, natural additives - the rest. Heat treatment is performed at temperature not over 1080°C. The distinguished feature of this light weight magnesium-silicate propping agent is its production by means of the above said procedure. The invention is developed in dependent points of formula.
EFFECT: reduced loose weight of propping agent at simultaneous increased strength, and increased strength of granules-raw product.
8 cl, 2 ex, 1 tbl
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