FIELD: oil and gas industry.
SUBSTANCE: in method for make-up of fluid purposed for treatment of underground formations at hydraulic fracturing that includes production of thickened carrier-fluid containing proppant and antisedimentation additive, mixture of at least one amine and polysiloxane, organosilane, organopolysilane is used as antisedimentation additive with the following ratio of components in percents by weight: polysiloxane, organosilane, organopolysilane 30-50, at least one amine - remaining part, additive is introduced in quantity of 0.1-4.0 l/m3 of the carrier-fluid.
EFFECT: increasing bearing capacity of proppant pack in wide range of temperatures at reduction of thickener charge.
10 ex
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