DETRITUS FLOW MANAGEMENT FEATURES FOR DRAG BIT CUTTERS AND BITS SO EQUIPPED

Rock detritus created by a drag bit cutter shearing subterranean formatio n material may flow under the cutter and attach itself to the side surface o f the cutter barrel by differential pressure-induced sticking, and dilate. T his attached material, confined by hydrostatic pressure, can create and...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	LEDGERWOOD, LEROY W
Format:	Patent
Sprache:	eng ; fre
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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