Annular cutter catching devices

An annular cutter catching device includes a housing having an inner bore therethrough, a cutter configured to cut a coupon, and a coupon catching device configured to grip an outer surface of the coupon. In an embodiment, an annular cutter catching device includes one or more split rings disposed w...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	Durand, Benjamin Jean Yvon, Wurtz, Joshua, Smith, Quentin, Giem, Gregory, Schulz, Jessica, Dresel, Matthew
Format:	Patent
Sprache:	eng
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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