DRILL BIT OF CUTTING AND CRUSHING ACTION

FIELD: drilling equipment. SUBSTANCE: higher efficiency and operational reliability of drill bit are achieved due to maximal utilization of energy of directed jets of drilling fluid. For this purpose, drill bit has body with central passage for drilling fluid, also rock crushing blades fastened to b...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	ALEKSEEV L.A, ISHBAEV G.G, KHUSAINOV M.M, TASHBULATOV R.F, BALUTA A.G, AKCHURIN KH.I
Format:	Patent
Sprache:	eng ; rus
Schlagworte:	EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
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