Stabilizing members for fixed cutter drill bit

A drill bit for drilling a borehole in an earthen formation includes a first blade having a cutter-supporting surface. The cutting profiles of cutting faces of primary cutter elements mounted to the cutter-supporting surface define an outermost cutting profile Po in rotated profile view. A stabilizi...

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Bibliographic Details
Main Authors TERRACINA DWAYNE P, DURAIRAJAN BALA
Format Patent
LanguageEnglish
Published 29.09.2015
Subjects
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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Summary:A drill bit for drilling a borehole in an earthen formation includes a first blade having a cutter-supporting surface. The cutting profiles of cutting faces of primary cutter elements mounted to the cutter-supporting surface define an outermost cutting profile Po in rotated profile view. A stabilizing member may be included, having an end distal the cutter-supporting surface including a tip. The tip may be offset from the outermost cutting profile Po in rotated profile view.
Bibliography:Application Number: US201314107051