STABILIZING MEMBERS FOR FIXED CUTTER DRILL BIT

A drill bit for drilling a borehole in an earthen formation. In an embodiment, the bit comprises a first blade having a cutter-supporting surface. In addition, the bit comprises a plurality of primary cutter elements with cutting faces mounted to the cutter-supporting surface. The cutting profiles o...

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Bibliographische Detailangaben
Hauptverfasser:	TERRACINA DWAYNE P, DURAIRAJAN BALA
Format:	Patent
Sprache:	eng
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 drill bit for drilling a borehole in an earthen formation. In an embodiment, the bit comprises a first blade having a cutter-supporting surface. In addition, the bit comprises a plurality of primary cutter elements with cutting faces mounted to the cutter-supporting surface. The cutting profiles of the cutting faces define an outermost cutting profile Po in rotated profile view. Further, the bit comprises a stabilizing member having an end distal the cutter-supporting surface. The end includes a tip. The tip is offset from the outermost cutting profile Po in rotated profile view.