Annulus isolation valve assembly

An annulus isolation valve assembly being part of a tubing hanger assembly, with a valve bore having a fluid mouth, and a sliding sleeve which is arranged in the valve bore and which has an axially extending sleeve bore. The sliding sleeve has a radially facing sleeve port. A hydraulic piston is fun...

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Bibliographische Detailangaben
Hauptverfasser:	Lundheim, Lars Timberlid, Bolander, Christer, Petrie, Greig, Oliaro, Kris
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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Beschreibung
Zusammenfassung:	An annulus isolation valve assembly being part of a tubing hanger assembly, with a valve bore having a fluid mouth, and a sliding sleeve which is arranged in the valve bore and which has an axially extending sleeve bore. The sliding sleeve has a radially facing sleeve port. A hydraulic piston is functionally connected to the sliding sleeve. The sliding sleeve comprises an axially facing fluid port which is in fluid communication with the radially facing sleeve port.