Casing hanger and packoff running tool

A single trip casing hanger packoff running tool (10) retains the packoff (98) in a retracted and fully locked position during hanger running, landing and cementing operations, thereby preventing premature engagement of the packoff in the hanger (78) and/or passage of cement return through or around...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	RANDY J WESTER
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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