Deep water hydrocarbon transfer system
An oil and gas, mooring technology, used in transportation and packaging, special purpose vessels, ships, etc., that can solve the problem of quickly and easily establishing mechanical and hydraulic connections.
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[0027] figure 1 An oil and gas transfer system 1 is shown comprising a mooring buoy 2 and a vessel 3 with a mooring arm 4 . The mooring buoy 2 comprises a plurality of subsea buoyancy members 5 , 6 , 7 and a truss support structure 10 carrying a support platform 11 . Steel risers 12 , 13 are guided from the subsea well to the support platform 11 . The upper half of the risers 12,13 are guided by riser ducts or "I-pipes" 14,15. The risers end in valves 16, 17 near the riser support platform 11, closing each riser. The arm 4 on the vessel 3 carries at its end a connector 21 for mechanical connection to the upper buoy end and for connecting between the risers 12, 13 and extending via the connector 21 and the arm 4 to the vessel 3 Provide fluid connections between the pipelines.
[0028] The buoy 2 comprises lateral mooring lines 23, 24, each extending at an angle of approximately 45°, and attaching the buoy to the seabed. The lateral mooring lines limit the pitching and heav...
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