DIVERLESS UNIFIED SUPPORT TUBE

The present invention presents a riser support completely integrated into the Riser Balcony of an FPSO, which serves both rigid and flexible risers. The basic concept established for this new riser support presents a versatility that allows the use of flexible or rigid risers with some variation in...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	DE BRITO, Raphael Moreira, MEDEIROS, Jorge Gomes de Melo, RECKZIEGEL, Gilnei, FERREIRA, Roberto Pereira, DOS REIS, Bruno Pinho, FERREIRA, Claudio Violante, DE MELLO, Flavio Barroso
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:	The present invention presents a riser support completely integrated into the Riser Balcony of an FPSO, which serves both rigid and flexible risers. The basic concept established for this new riser support presents a versatility that allows the use of flexible or rigid risers with some variation in their inner diameters and the interconnection can be carried out on the port or starboard side.The Diverless Unified Support Tube (DUST), object of this invention, is characterized in that it comprises an upper cone (1), a guide tube (2) and a centralizer (3), responsible for centralizing the hang-off adapter and locking the bend stiffener (11). The application of DUST can promote a reduction in the length of rigid pipes in the subsea arrangement by allowing keelhauling interconnections, in addition to enabling the optimization of the rigid riser interconnection operation and accelerating the Ramp-up of new SPUs.