Back reaming tool

Back reaming tool

A back reaming tool 10A which comprises a tool body 12A adapted to be coupled to a drill string and a single roller cone 20 rotatably mounted to a journal pin 35 fixed to the tool body. The roller cone is held in place in the event of a bearing failure by a cone lock 10B.

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Hauptverfasser: PETER THOMAS CARIVEAU, VINCENT WAYNE SHOTTON, ROBERT HARLAN SLAUGHTER JR
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 PETER THOMAS CARIVEAU
VINCENT WAYNE SHOTTON
ROBERT HARLAN SLAUGHTER JR
description A back reaming tool 10A which comprises a tool body 12A adapted to be coupled to a drill string and a single roller cone 20 rotatably mounted to a journal pin 35 fixed to the tool body. The roller cone is held in place in the event of a bearing failure by a cone lock 10B.
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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 Back reaming tool
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