Hydraulic and earth engineering – Marine structure or fabrication thereof – With anchoring of structure to marine floor
Reexamination Certificate
2008-07-29
2008-07-29
Singh, Sunil (Department: 3672)
Hydraulic and earth engineering
Marine structure or fabrication thereof
With anchoring of structure to marine floor
Reexamination Certificate
active
10468177
ABSTRACT:
The invention concerns a seafloor-surface connecting installation for a submarine pipeline (10) set on the seafloor, in particular at great depth, of the hybrid-tower type comprising a static base (13-18) set on the seabed. In the inventive installation: 1) said vertical riser includes a terminal pipe portion (51), and a flexible joint (19) which allows angular movements (α) of the upper part (52) relative to said terminal pipe portion (51); and 2) the terminal part (11) of said pipe resting on the seabed has a an elbow-type terminal curvature; 3) said terminal portion (51) of the vertical riser is connected to said terminal curvature (11) by a single connecting element; and 4) said base plate (13-18) rigidly maintains in fixed vertical position and linked to each other via said connecting element (12): said terminal pipe portion (51) and said elbow-type terminal curvature (12) the latter facing upwards.
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Cohen Pontani Lieberman & Pavane LLP
Saipem S.A.
Singh Sunil
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