LOCKOUT MECHANISM FOR GRIPPING TOOL

A secondary latch mechanism (also referred to as a lockout mechanism) for a gripping tool, such as a casing running tool (CRT), prevents activation of the CRT prior to full insertion of a tubular workpiece into the CRT. When embodied in a CRT, the lockout mechanism prevents activation of the CRT unl...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	SLACK Maurice W
Format:	Patent
Sprache:	eng ; spa
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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