Aker Subsea As

Lasse E Aarnes

Internal tree cap () (ITC) adapted to be installed in the bore of a subsea well unit () or to an internal tubular element () of the same, comprising a locking element () for releasably locking the internal tree cap () to said subsea well unit () or internal tubular element (). The ITC further comprises a fluid channel () extending through a fluid barrier between the lower and upper part of the internal tree cap (), which fluid channel () is blocked by a burst element () adapted to break and open for fluid flow through the fluid channel () when exposed to a predetermined pressure difference over the burst element (). The invention also relates to an ITC running tool () and a locking mechanism () for supporting the ITC in the tool.

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Drammen, Norway

Lasse E Aarnes