Selvinnrettende åpenhulls traktorsammenstilling

A downhole tractor assembly that is configured for open-hole applications and of a self-aligning nature. The self-aligning nature of the assembly is effectuated through a tractor portion which is rotable about an axis of an elongated body of the assembly independent of a separate centralizing portio...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	Aguirre, Franz, Sheiretov, Todor K, Nelson, Keith R
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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