Nedihulls verktøy for bruk i rengjøring av brønnhull

Nedihulls verktøy for bruk i rengjøring av brønnhull

An improved and enhanced spring loaded downhole tool (1) for cleaning well casing bores comprising a mandrel (10), at least a first insert having a passageway therethrough, and at least a second insert, wherein both the first insert and the second insert are selected from at least one of a spring lo...

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Hauptverfasser: Knobloch, Benton T, Roy, Todd J
Format: Patent
Sprache:nor
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 Knobloch, Benton T
Roy, Todd J
description An improved and enhanced spring loaded downhole tool (1) for cleaning well casing bores comprising a mandrel (10), at least a first insert having a passageway therethrough, and at least a second insert, wherein both the first insert and the second insert are selected from at least one of a spring loaded scraper insert and at least one wire brush insert, and further wherein the first insert and the second insert are slidingly received within a slot on a first mounting portion on the mandrel and a slot on a second mounting portion on the mandrel, from the outermost respective ends, and wherein the first insert is secured by a first retaining sleeve (30) and the second insert is secured by a second retaining sleeve (30). Also disclosed is a unique method for cleaning a section of casing with a downhole tool, as herein disclosed.
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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 Nedihulls verktøy for bruk i rengjøring av brønnhull
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