MAGNETIC CATCHER

FIELD: devices for withdrawal of metal objects out of wells. SUBSTANCE: magnetic catcher has body accommodating magnetic system with permanent magnets and is sickle-shaped in cross-section. Magnetic system is made of two or more longitudinal magnetic circuits between which permanent magnets are loca...

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Bibliographische Detailangaben
Hauptverfasser:	GALIEV I.G, SKRIPNIKOV V.V, LJALIN V.N, KACHUROVSKIJ A.N, RUSAKOV I.JU, REZTSOV B.A
Format:	Patent
Sprache:	eng ; rus
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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Beschreibung
Zusammenfassung:	FIELD: devices for withdrawal of metal objects out of wells. SUBSTANCE: magnetic catcher has body accommodating magnetic system with permanent magnets and is sickle-shaped in cross-section. Magnetic system is made of two or more longitudinal magnetic circuits between which permanent magnets are located. EFFECT: increased carrying capacity of magnetic catcher. 5 cl, 2 dwg