DEVELOPMENT METHOD OF DIAMOND-BEARING KIMBERLITE PIPES

FIELD: mining. ^ SUBSTANCE: after the deposit is stripped, extraction field is separated into a mesh with rhombic cells with sides and a short diagonal, which are equal to diameter of the main well. First, service wells with diameter of not less than 93-112 mm are drilled in mesh nodes as centres; t...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	BURAKOV ALEKSANDR MIKHAJLOVICH, ERMAKOV SERGEJ ALEKSANDROVICH, PANISHEV SERGEJ VIKTOROVICH, FEDOROV LAZAR' NIKOLAEVICH
Format:	Patent
Sprache:	eng ; rus
Schlagworte:	EARTH DRILLING FIXED CONSTRUCTIONS MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLIDMATERIALS OR FLUIDS MINING MINING OR QUARRYING PERFORMING OPERATIONS SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATICTABLES OR JIGS SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATICTABLES OR JIGS TRANSPORTING
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