BORING BIT

A boring bit comprises a casing (1) with cutting elements (3, 4) for deepening the face and shaping the wall of the well. On the casing (1) are mounted washing nozzles (5) one of which is directed on to the wall of the well. The intersection point of the axis of said nozzle with the calibration surf...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	AGLIULLIN, AKHTYAM KHALIMOVICH, GORONOVICH, SERGEI NIKOLAEVICH, BAIRAKOV, MARAT NILOVICH, AKBULATOV, ISKANDER TIMUROVICH, MAVLJUTOV, MIDKHAT RAKHMATULLICH, AKCHURIN, KHAMZA ISKHAKOVICH
Format:	Patent
Sprache:	eng ; ger
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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Beschreibung
Zusammenfassung:	A boring bit comprises a casing (1) with cutting elements (3, 4) for deepening the face and shaping the wall of the well. On the casing (1) are mounted washing nozzles (5) one of which is directed on to the wall of the well. The intersection point of the axis of said nozzle with the calibration surface of the bit is located above the lower row of the cutting elements shaping the wall of the well.