MULTI-SECTIONAL PERCUSSIVE DRILL BIT ASSEMBLY

MULTI-SECTIONAL PERCUSSIVE DRILL BIT ASSEMBLY

A multi-sectional percussive drill bit assembly for drilling holes in earth formation primarily used in conjunction with a pneumatic percussive device. The drill bit assembly is comprised of an easily removable bit mat is rotationally driven by a lug and pocket structure and axially limited in trave...

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Hauptverfasser: SMITH RICHARD, MEANS STEPHEN R, WALKER THOMAS A
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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creator SMITH RICHARD
MEANS STEPHEN R
WALKER THOMAS A
description A multi-sectional percussive drill bit assembly for drilling holes in earth formation primarily used in conjunction with a pneumatic percussive device. The drill bit assembly is comprised of an easily removable bit mat is rotationally driven by a lug and pocket structure and axially limited in travel by means of retaining members.
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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 MULTI-SECTIONAL PERCUSSIVE DRILL BIT ASSEMBLY
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