EARTH PENETRATING ROTARY DRILL BIT WITH HELICAL PORTS

EARTH PENETRATING ROTARY DRILL BIT WITH HELICAL PORTS

A drill bit (20) that has a drill bit body (30) with a side wall (36) and opposite ends (32, 34). A distal one (32) of the opposite ends of the drill bit body (30) receives a cutting insert (22). The drill bit body (30) contai ns at least two helical debris ports (46) in the side wall (36) thereof....

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1. Verfasser: BISE, DOUGLAS E
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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creator BISE, DOUGLAS E
description A drill bit (20) that has a drill bit body (30) with a side wall (36) and opposite ends (32, 34). A distal one (32) of the opposite ends of the drill bit body (30) receives a cutting insert (22). The drill bit body (30) contai ns at least two helical debris ports (46) in the side wall (36) thereof. The drill bit body (30) further contains a helical scallop (48) that corresponds to each one of the helical debris ports (46). Each one of the helical scallo ps (48) surrounds so as to define the periphery of its corresponding one of the helical debris ports (46).
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The drill bit body (30) contai ns at least two helical debris ports (46) in the side wall (36) thereof. The drill bit body (30) further contains a helical scallop (48) that corresponds to each one of the helical debris ports (46). 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A distal one (32) of the opposite ends of the drill bit body (30) receives a cutting insert (22). The drill bit body (30) contai ns at least two helical debris ports (46) in the side wall (36) thereof. The drill bit body (30) further contains a helical scallop (48) that corresponds to each one of the helical debris ports (46). Each one of the helical scallo ps (48) surrounds so as to define the periphery of its corresponding one of the helical debris ports (46).</abstract><oa>free_for_read</oa></addata></record>
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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 PENETRATING ROTARY DRILL BIT WITH HELICAL PORTS
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