FIELD: mining engineering.
SUBSTANCE: device includes a flowing medium for hydraulic fracturing source, communicating by flowing medium with borehole, penetrating a subterranean formation; wherein flowing medium for hydraulic fracturing source comprises flowing medium for hydraulic fracturing and water; a source of natural gas; a compressor having an inlet, communicating by flowing medium with a natural gas source, having an outlet, communicating by flowing medium with the borehole, and configured to compress natural gas, obtained at the inlet, to be supplied to the outlet, a heat-recovery system for receiving heat from compressor. Heat energy changes the temperature of flowing medium for hydraulic fracturing, water or compressed natural gas; and source of liquefied gas, communicating by flowing medium with the borehole. Moreover, the pressure of flowing medium is a higher pressure with respect to the pressure of compressed natural gas.
EFFECT: increasing the efficiency of hydraulic fracturing.
20 cl, 9 dwg
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