System for tensioning risers by means of articulated grid

Details System for tensioning risers by means of articulated grid System for tensioning risers by means of articulated grid

1994-04-20

1995-06-27

Dang, Hoang C.

Wells

Submerged well

Means removably connected to permanent well structure

166366, 4052242, E21B 43017

Patent

active

054271800

ABSTRACT:
Basically the system consists of a supporting structure (1) lying in an opening in floating vessel (9) to which a group of risers (3) is connected running from sea bottom to sea surface, linking undersea oil wells to their respective production trees (5) which lie on floating vessel (9), said supporting structure (1) being provided with ball joints that enable a group of risers (3) to articulate in relation to supporting structure (1), and slide blocks to enable said supporting structure to be connected/articulated to floating vessel (9).

REFERENCES:
patent: 4616708 (1986-10-01), da Mota
patent: 4913238 (1990-04-01), Danazeko et al.
patent: 4934870 (1990-06-01), Petty et al.
patent: 5330293 (1994-07-01), White et al.

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