Internal tree cap

Internal tree cap (201) (ITC) adapted to be installed in the bore of a subsea well unit (301) or to an internal tubular element (303) of the same, comprising a locking element (209) for releasably locking the internal tree cap (201) to said subsea well unit (301) or internal tubular element (303). T...

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Hauptverfasser: ANDRE M SMITH, LASSE E AARNES
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creator ANDRE M SMITH
LASSE E AARNES
description Internal tree cap (201) (ITC) adapted to be installed in the bore of a subsea well unit (301) or to an internal tubular element (303) of the same, comprising a locking element (209) for releasably locking the internal tree cap (201) to said subsea well unit (301) or internal tubular element (303). The ITC further comprises a fluid channel (215) extending through a fluid barrier between the lower and upper part of the internal tree cap (201), which fluid channel (215) is blocked by a burst element (217) adapted to break and open for fluid flow through the fluid channel (215) when exposed to a predetermined pressure difference over the burst element (217). The invention also relates to an ITC running tool (101) and a locking mechanism (117) for supporting the ITC in the tool.
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The ITC further comprises a fluid channel (215) extending through a fluid barrier between the lower and upper part of the internal tree cap (201), which fluid channel (215) is blocked by a burst element (217) adapted to break and open for fluid flow through the fluid channel (215) when exposed to a predetermined pressure difference over the burst element (217). The invention also relates to an ITC running tool (101) and a locking mechanism (117) for supporting the ITC in the tool.</description><language>eng</language><subject>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</subject><creationdate>2012</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=20121121&amp;DB=EPODOC&amp;CC=GB&amp;NR=2471795B$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25562,76317</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=20121121&amp;DB=EPODOC&amp;CC=GB&amp;NR=2471795B$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>ANDRE M SMITH</creatorcontrib><creatorcontrib>LASSE E AARNES</creatorcontrib><title>Internal tree cap</title><description>Internal tree cap (201) (ITC) adapted to be installed in the bore of a subsea well unit (301) or to an internal tubular element (303) of the same, comprising a locking element (209) for releasably locking the internal tree cap (201) to said subsea well unit (301) or internal tubular element (303). 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subjects 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
title Internal tree cap
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