EARTH-BORING TOOLS INCLUDING CUTTING ELEMENT PROFILES CONFIGURED TO REDUCE WORK RATES

Earth-boring tools may include a body including blades projecting therefrom, an axis of rotation, and cutting elements secured to the blades. A profile of the cutting elements intersecting outermost points of cutting faces of the cutting elements as viewed projected rotationally onto a plane may be...

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Hauptverfasser: Boehm, Alexander Rodney, Nissley, Travis
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creator Boehm, Alexander Rodney
Nissley, Travis
description Earth-boring tools may include a body including blades projecting therefrom, an axis of rotation, and cutting elements secured to the blades. A profile of the cutting elements intersecting outermost points of cutting faces of the cutting elements as viewed projected rotationally onto a plane may be parabolic from immediately proximate the axis of rotation to a nose point at which a slope of the profile is such that an angle between the profile and a plane perpendicular to the axis of rotation is about 0°. In other embodiments, a first section of the profile may extend at a first slope, and a second section of the profile may extend at a second, different slope. In still other embodiments, a tangent line to the profile may be oriented at an angle of at least 15° at a location proximate to the axis of rotation.
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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
title EARTH-BORING TOOLS INCLUDING CUTTING ELEMENT PROFILES CONFIGURED TO REDUCE WORK RATES
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