B - Operations – Transporting – 63 – B
Patent
B - Operations, Transporting
63
B
B63B 9/00 (2006.01) B63B 21/50 (2006.01)
Patent
CA 2109301
An apparatus for replacement of a swivel atop a first, operating foundation on a turret of a production ship or offshore platform, comprises a swivel lifting and moving means for taking a swivel off or re-playing a swivel on the first operating foundation on the turret and a second storing foundation, spaced from the turret. The apparatus also comprises storage means for supporting and moving at least one used and one spare swivel in connection with the second storing foundation and a guiding system on the first and second foundations and on the swivel for accurately positioning the swivel onto a desired foundation.
Fetherstonhaugh & Co.
Norsk Hydro A.s.
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