MAGNETIC RETRIEVAL APPARATUS AND METHOD FOR RETAINING MAGNETS ON DOWNHOLE MAGNETIC RETRIEVAL APPARATUS

Magnetic retrieval tools for use in a wellbore or other tubular member to remove metallic debris. A magnetic retrieval tool includes a tool body having a central shaft with a plurality of ribs that project radially outwardly therefrom. The ribs present lateral sides that have recesses formed therein...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	NELSON, JONATHAN F, HERN, GREGORY L
Format:	Patent
Sprache:	eng ; fre
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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