System for tensioning risers using a supproting grid

A supporting structure (1) lies in an opening, in a floating vessel (9), to which is connected a group of risers (3) running from the sea bottom to the sea surface, linking undersea oil wells to their respective production trees (5) on the floating vessel (9). The supporting structure (1) is provide...

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Bibliographische Detailangaben
Hauptverfasser:	DE PAIVA LEITE, ANDRE JACQUES, CARDELLINI, DAVID ALLAN, PAIVA FILHO, EDWAL FRANCISCO, TAYLOR, JEFFREY PAUL
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:	A supporting structure (1) lies in an opening, in a floating vessel (9), to which is connected a group of risers (3) running from the sea bottom to the sea surface, linking undersea oil wells to their respective production trees (5) on the floating vessel (9). The supporting structure (1) is provided with means that enable a group of risers (3) to articulate in relation to the supporting structure (1), and means to enable said supporting structure to be connected/articulated to the floating vessel (9).