B - Operations – Transporting – 63 – B
Patent
B - Operations, Transporting
63
B
114/59.8
B63B 21/00 (2006.01) B63B 22/02 (2006.01) B63B 27/30 (2006.01)
Patent
CA 1220386
-20- ABSTRACT A mechanism for decoupling over a selected angle the rotational motion between a marine vessel moored to a single point mooring system such as a single anchor leg mooring (SALM) and the fluid swivel stack of the single point mooring system. In a preferred embodiment, a mooring swivel having a coupling means is positioned on the SALM at the base of the fluid swivel stack. Two spaced-apart stops are attached to the fluid swivel on either side of the coupling means. As a further embodiment, shock absorbers may be positioned on each stop between the coupling means and each stop.
482964
Borden Ladner Gervais Llp
Exxon Production Research Company
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