Wellhead seal energized by fluid pressure

An annulus seal 110 for sealing an interface between a wellhead housing and a casing hanger. The annulus seal includes a central body portion, a first seal leg 116 extending from the central body portion in a first direction and a second seal leg 118 extending from the central body portion in the fi...

Ausführliche Beschreibung

Gespeichert in:

Bibliographische Detailangaben
Hauptverfasser:	Joseph Pallini, Alejandro Rodela, Greg Dunn, Andrew Ingram
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING CYLINDERS EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING ENGINEERING ELEMENTS AND UNITS FIXED CONSTRUCTIONS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS PISTONS SEALINGS THERMAL INSULATION IN GENERAL WEAPONS
Online-Zugang:	Volltext bestellen
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!

Beschreibung
Zusammenfassung:	An annulus seal 110 for sealing an interface between a wellhead housing and a casing hanger. The annulus seal includes a central body portion, a first seal leg 116 extending from the central body portion in a first direction and a second seal leg 118 extending from the central body portion in the first direction across from the first seal leg. The first seal leg 116 sealingly engages the casing hanger, and the second seal leg 118 sealingly engages the wellhead housing. At least one of the first seal leg or the second seal leg includes at least one of a first cavity 130, 132 at least partially extending into the respective seal leg from the first direction or a second cavity at least partially extending into the respective seal leg from the second direction.