SUBSEA XMAS TREE ASSEMBLY AND ASSOCIATED METHOD

Subsea Xmas tree assembly (5, 505) having a Xmas tree main bore (7) and a Xmas tree annulus bore (9). The main bore (7) aligns with a tubing hanger main bore (16) and the Xmas tree annulus bore (9) communicates with a tubing hanger annulus bore (17), when the Xmas tree assembly (5, 505) is installed...

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Bibliographische Detailangaben
1. Verfasser:	KEKARAINEN, JARMO
Format:	Patent
Sprache:	eng ; fre ; ger
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:	Subsea Xmas tree assembly (5, 505) having a Xmas tree main bore (7) and a Xmas tree annulus bore (9). The main bore (7) aligns with a tubing hanger main bore (16) and the Xmas tree annulus bore (9) communicates with a tubing hanger annulus bore (17), when the Xmas tree assembly (5, 505) is installed above a tubing hanger (3) of a subsea well. The subsea Xmas tree assembly (5, 505) comprises a plug tool (100) adapted to install and to retrieve a plug (200) into and out of the tubing hanger annulus bore (17) when the Xmas tree assembly (5, 505) is installed above the tubing hanger (3). The assembly has a tool accommodation compartment (118, 618) within which the plug tool (100) is arranged. An associated method is also described.