FIELD: mining industry, possible use for well hydro-extraction of thick watered deposits of mineral resources with heavy minerals and of heterogeneous hardness.
SUBSTANCE: method includes drilling a product well, positioning a hydro-extracting device in it, washing away in ascending order and collapsing onto the face of weak and hard mineral resources, hydro-lifting of slurry. Simultaneously on the face along well axis, disintegration of weak mineral resources is conducted as well as slurry preparation and packaging of hard large-piece mineral resources. Hard large-piece mineral resources packaged in a chamber are weakened by explosion or chemical method and then hydro-extracted through the well.
EFFECT: productive hydro-extraction from thick watered mineral resource deposits with heavy minerals and of heterogeneous hardness, due to the quality disintegration of rock and the slurry preparation process.
2 cl, 2 dwg, 1 ex
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