Abstract
The features of chemical-mineralogical composition and processing properties of bauxites from Iksinsk and Severoonezhsk deposits are investigated in the paper. It is found that the studied bauxites are coarsely dispersed and low-dispersive, high-alumina clay raw materials with a high content of colouring oxides. According to their mineralogical composition, Iksinsk and Severoonezhsk bauxites are boehmite-hydrargillite-kaolinite clay bauxites. Moreover, Iksinsk bauxite samples are characterized by the total absence of quartz impurities. The samples of plastic molding based on Iksinsk bauxites are fully sintered at 1500 °C with the formation of strong structures with a compressive strength of 70-120 MPa (depending on the variety of bauxites). The samples based on Severoonezhsk bauxites are fully sintered at 1450 °C, and they are characterized by a compressive strength to 70 MPa in the sintered state.
Highlights
Oil and gas industry has faced a serious problem of keeping up the achieved level of oil production, which can be stabilized by intensification of old well operation
Granular materials of the high and medium strength can be used as ceramic proppants
Production of ceramic proppants is connected with high energy costs, which can be cut by using inexpensive local aluminosilicate clay raw materials
Summary
Oil and gas industry has faced a serious problem of keeping up the achieved level of oil production, which can be stabilized by intensification of old well operation. In this regard, Russian oil and gas industry pays much attention to the prospects of using hydraulic fracture for oil-and gas-bearing formations. Russian oil and gas industry pays much attention to the prospects of using hydraulic fracture for oil-and gas-bearing formations These operations cannot be conducted without using a granular material – a proppant. Production of ceramic proppants is connected with high energy costs, which can be cut by using inexpensive local aluminosilicate clay raw materials. Arkhangelsk region in order to use them in the technology of aluminosilicate ceramic proppants
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