Drilling-workover vessel having a drill string extending...

Details Drilling-workover vessel having a drill string extending... Drilling-workover vessel having a drill string extending...

2005-11-29

2005-11-29

Will, Thomas B. (Department: 3671)

Wells

Submerged well

Means removably connected to permanent well structure

C166S352000, C166S366000, C405S224200, C405S169000

Reexamination Certificate

active

06968899

ABSTRACT:
A vessel (1) comprises a rotatable turret (14) and a supporting structure (3) over or on the turret for supporting a swivel (5). The swivel comprising an inner and an outer ring (21, 21′; 22, 22′) which can rotate with respect to each other and which define at least one fluid distribution path from a geostationary fluid riser (19) connected to one ring (22, 22′) to a product outflow pipe (18) connected to the other ring (21, 21′). A rig (2) is mounted over the turret area above or below the swivel (5), and a substantially rigid pipe extends from the rig, through a moonpool of the turret towards the sea bed, the rigid pipe being in line with the swivel.

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