FIELD: mining. SUBSTANCE: operation to disrupt and excavate Kimberly ore is carried out concurrently by drilling descending well and descending ore excavation. Drilling is carried out from the surface by consequent development kimberlite pipe over perimeter. Drilling is initiated from the center of kimberlite pipe and each subsequent row of wells is drilled out with diameter greater than previous one. Drilling any subsequent row is initiated after previous row has been abandoned. In doing so well abandoning is performed by pressing grouting solutions on the base of kimberlite production wastes. EFFECT: environmental protection by reuse of production wastes. 2 cl, 2 dwg
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