FIELD: oil-and gas industry.
SUBSTANCE: according to method execute hydraulic fracturing fluid injection with a variable propping agent consumption, at that separate the propping agent main flow in the fluid at mixer output, at least on two flows, with a different volume velocities, and before injection into hydraulic fracturing zone mix the mentioned above flows into single flow. Invention develops in formula subclaime.
EFFECT: well oil recovery increase.
4 cl, 2 dwg, 1 ex
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