Title:
METHOD OF CONNECTING A FLEXIBLE RISER TO AN UPPER RISER ASSEMBLY
Document Type and Number:
WIPO Patent Application WO/2010/105953
Kind Code:
A3
Abstract:
Described is a method of connecting a flexible upper riser part (15) to a lower riser part (3) via an upper riser assembly (2) supporting a lower riser termination (4), comprising: securing a cable linkage (18) to a riser connector (16) at the lower end of the flexible upper riser part (15); operating a winching means (9a, 9b) on the upper riser assembly (2) to wind in the cable linkage (18) and draw the riser connector (16) into a docking position on the upper riser assembly (2); and coupling the riser connector (16) to the lower riser termination (4). A corresponding method of disconnecting the flexible riser part (15) is also described, as well as a method of mounting the winching mechanism on a submerged landing platform (5).
Inventors:
VARLEY MARK LAWRENCE (GB)
COX WILFRED JOHNSON EMMANUEL (GB)
COX WILFRED JOHNSON EMMANUEL (GB)
Application Number:
PCT/EP2010/053033
Publication Date:
November 25, 2010
Filing Date:
March 10, 2010
Export Citation:
Assignee:
SUBSEA 7 LTD (GB)
VARLEY MARK LAWRENCE (GB)
COX WILFRED JOHNSON EMMANUEL (GB)
VARLEY MARK LAWRENCE (GB)
COX WILFRED JOHNSON EMMANUEL (GB)
International Classes:
F16L35/00; E21B17/08
Foreign References:
| US3717002A | 1973-02-20 | |||
| US3534984A | 1970-10-20 | |||
| US3599436A | 1971-08-17 | |||
| US4284143A | 1981-08-18 |
Attorney, Agent or Firm:
WIEDEMANN, Peter et al. (Arabellastrasse 4, München, DE)
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