Remotely operated external tieback connector

An external tieback connector secures to a lower end of a driller riser. The tieback connector has a locking element that engages an external profile on the wellhead housing and an actuating piston within a piston chamber. A hydraulic fluid accumulator is in communication with the piston chamber thr...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	Pallini Joseph W, Lyle Rockford D, Wagner Robert J
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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