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...

Ausführliche Beschreibung

Bibliographische Detailangaben

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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