An engagement device

An engagement device (50) connected to the lower face of a christmas tree for engaging/disengaging a stabbing pin (52) connected to a wellhead release mechanism comprises a movement mechanism (56) and an engagement arrangement (54). A piston (2), ram shaft (4) and balance rod (5) are connected toget...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	RONALD NORRIS WHYTE
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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