FIELD: oil and gas industry.
SUBSTANCE: method for forming gas-filled bubbles on the surface of proppant particle comprises the steps for placing proppant particles in water at operating pressure of 8000-12000 psi, creating excessive gas pressure in water equal to or greater than the operating pressure of 8000-12000 psi to create saturation around or in the immediate vicinity of proppant particle, in the result the bubbles are formed on surface of proppant particles, and excessive pressure relieves from water to operating pressure level. The invention has been developed in the dependent claims.
EFFECT: improved efficiency of hydraulic fracturing.
11 cl, 1 dwg
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