FIELD: oil production industry.
SUBSTANCE: invention refers to the oil and gas production industry, namely to ceramic proppants, intended for use as propping agents at production of oil or gas by penetrating fluid method. Ceramic proppant, made of natural magnesia-silicate raw material and containing in its composition maghemite in an amount of 0.3-20.0% by weight. Invention is developed in dependent claims of the formula.
EFFECT: technical result is the reduction of proppant breaking.
3 cl, 5 ex, 1 tbl, 2 dwg
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