FIELD: mining.
SUBSTANCE: as per method of hydraulic fracturing of underground medium, many sliding couplings are placed in a well passing into underground media; sliding couplings are placed in mutually spaced places along the well and provided with a possibility of control after arrangement in the well in any specified sequence; many signal devices are moved along a control line arranged in the well; each of the signal devices opens at least one of the multiple sliding couplings and performs hydraulic fracturing of underground media in any specified sequence in mutually spaced places along the well passing into underground media; sliding couplings are used at hydraulic fracturing and left in the well at performance of hydraulic fracturing.
EFFECT: optimisation of stresses created due to hydraulic fracturing from mutually spaced places along the well shaft.
16 cl, 5 dwg
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