WELLHEAD ASSEMBLY

A wellhead assembly 10 comprising a wellhead 12 having a tubular wellhead body 14 with an outer surface, a wellhead casing 16 which extends from a first end of the wellhead body, the wellhead casing having an outer surface, and a proximal end 16a and a distal end relative to the wellhead body and a...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Spitz, Stuart, HALL, Lee, GARCIA, Javier Rodriguez, SCHINDLER, Uwe, BECKS, Martin, Dyson, Andy, PETRIE, Greig
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:	A wellhead assembly 10 comprising a wellhead 12 having a tubular wellhead body 14 with an outer surface, a wellhead casing 16 which extends from a first end of the wellhead body, the wellhead casing having an outer surface, and a proximal end 16a and a distal end relative to the wellhead body and a tubular outer casing 24 having an inner surface. There is an annular space 30 between the inner surface of the outer casing and the outer surface of the first end of the wellhead body and wellhead casing. The system further comprises a solid cement liner which extends from the inner surface of the outer casing into the annular space and a fluid sleeve which extends from the outer surface of one or both of the wellhead casing and first end of the wellhead body into the annular space.