FIELD: mining.
SUBSTANCE: method consists in lowering of a waterproof sleeve to feed an explosive with a closed lower end and explosion facilities in the form of one or several detonators, afterwards the sleeve is charged with the explosive. Besides, to lower the sleeve in the well, a sinker is used, which is fixed at the lower end of the sleeve. At the same time one or several perforated process sleeves are lowered into the well for air supply, through which the well is previously bubbled with air prior to start of explosives supply.
EFFECT: development of highly efficient method with industrial AS-DS explosive prepared directly at site of charging.
5 cl, 2 dwg
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