Claims
- 1. In an arrangement for mooring an offshore vessel to the seabed including a turret rotatably coupled to the vessel, and anchor legs extending from the seabed to the turret in order to substantially fix the turret to said seabed, an improvement whereinonly a single hoisting mechanism is rotationally supported on said turret and which is releasably securable to each of a plurality of anchor legs for tensioning each of said anchor legs to a portion of said turret, and said anchor legs are angularly spaced about a center-line of said turret, and said hoisting mechanism is capable of rotation on said turret about said center line for selective angular alignment with each of said anchor legs.
- 2. The arrangement of claim 1 wherein,said turret is internally mounted with respect to a moonpool bulkhead formed in said vessel.
- 3. The arrangement of claim 1 wherein,said turret is externally mounted with respect to a turret head mounted on said vessel.
- 4. In an arrangement for mooring an offshore vessel to the seabed including a turret rotatably coupled to the vessel, wherein anchor legs extend from the seabed to the turret in order to substantially fix the turret to said seabed, and wherein said turret includes an upper turret and a lower turret, an improvement comprisingonly a single hoisting mechanism is mounted on said lower turret, wherein said single hoisting mechanism is releasably securable to each of a plurality of anchor legs for tensioning each of said anchor legs to a portion of said turret.
- 5. The arrangement of claim 4, whereinsaid anchor legs are angularly spaced about a center-line of said turret, and said hoisting mechanism is rotatably mounted on said center-line of said turret for selective angular alignment with each of said anchor legs.
- 6. The arrangement of claim 4, whereinsaid turret is externally mounted with respect to a turret head mounted on said vessel.
- 7. The arrangement of claim 4, whereinsaid turret is internally mounted with respect to a moonpool bulkhead formed in said vessel.
CROSS REFERENCE TO PROVISIONAL APPLICATION
This application claims priority from U.S. Provisional Application Ser. No. 60/153,279 filed on Sep. 9, 1999.
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Non-Patent Literature Citations (1)
Entry |
Drawings for 1997 Internal Turret Mooring System. |
Provisional Applications (1)
|
Number |
Date |
Country |
|
60/153279 |
Sep 1999 |
US |