| 摘要 |
FIELD: oil and gas industry.SUBSTANCE: ultralight siliceous magnesium-containing proppant manufacturing method includes grinding of initial mix consisting of silica and feldspar sand and seprentinite, forming of granules, their annealing at temperature not exceeding 1200°C, and sieving wherein to the initial mix grinded up to fraction of 20 mcm and less containing a fraction less than 5 mcm in quantity of 20-30 wt %, a fraction of 5-20 mcm in quantity of 70-80 wt % kaoline wool is introduced with length of fibres up to 15 mcm with the following ratio of the components, wt %: seprentinite 1-5, kaoline wool 0.05-2, silica and feldspar sand - remaining part.EFFECT: improving resistivity to dynamic loads at bulk density of the proppant.2 cl, 1 tbl |
