SEALING MEMBER FOR CASING HANGER

A packoff assembly (26) for sealing an annulus between an inner tubular member (22) and an outer tubular member (10) including a sealing means (80) rotatably connected to a packing nut (82). The sealing means includes an upper actuation ring (100) rotatably retained on the packing nut. A sealing mem...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	DAVID D. LONG, JOSEPH H. HYNES, MATTHEW K. CYVAS
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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