Ships – Floating platform
Patent
1997-12-23
2000-07-25
Swinehart, Ed
Ships
Floating platform
441 28, B63B 3544
Patent
active
060924837
ABSTRACT:
A method for reducing VIV is disclosed for a spar platform having a deck, a cylindrical hull having a buoyant tank assembly, a counterweight and an counterweight spacing structure. The overall aspect ratio of the hull is reduced by providing one or more abrupt changes in hull diameter below the waterline.
REFERENCES:
patent: H611 (1989-04-01), Peace
patent: 2986889 (1961-06-01), Ludwig
patent: 3407416 (1968-10-01), Brickhouse
patent: 3407766 (1968-10-01), Bergman et al.
patent: 3407767 (1968-10-01), McClintock et al.
patent: 3460501 (1969-08-01), Silverman
patent: 3500783 (1970-03-01), Johnson, Jr. et al.
patent: 3510692 (1970-05-01), Hufford
patent: 3510892 (1970-05-01), Monnereau et al.
patent: 3572041 (1971-03-01), Graaf
patent: 3916633 (1975-11-01), Lovie et al.
patent: 3951086 (1976-04-01), Lown et al.
patent: 3978804 (1976-09-01), Beynet et al.
patent: 4155673 (1979-05-01), Yashima
patent: 4312288 (1982-01-01), Finsterwalder et al.
patent: 4378179 (1983-03-01), Hasle
patent: 4398487 (1983-08-01), Ortloff et al.
patent: 4473323 (1984-09-01), Gregory
patent: 4505620 (1985-03-01), Andrier
patent: 4630968 (1986-12-01), Berthet et al.
patent: 4674918 (1987-06-01), Kalpins
patent: 4685833 (1987-08-01), Iwamoto
patent: 4700651 (1987-10-01), Hale
patent: 4702321 (1987-10-01), Horton
patent: 4768984 (1988-09-01), de Oliveira et al.
patent: 4829928 (1989-05-01), Bergman
patent: 4987846 (1991-01-01), Yamashita et al.
patent: 5558467 (1996-09-01), Horton
patent: 5722797 (1998-03-01), Horton, III
F. Joseph Fischer et al., "Current-Induced Oscillations of Cognac Piles During Installation--Prediction and Measurement," Practical Experiences with Flow-Induced Vibrations, Symposium Karlsruhe/Germany, Sep. 3-6, 1979, University of Karlsruhe, pp. 570-581.
J. A. van Santen and K. deWerk, "On the Typical Qualities of SPAR Type Structures for Initial or Permanent Field Development," OTC Paper 2716, Eighth Annual Offshore Technology Conference, Houston, Texas, May 3-6, 1976, 14 pages.
Armin W. Troesch, Associate Professor (Principal Investigator), "Hydrodynamic Forces on Bodies Undergoing Small Amplitude Oscillations in a Uniform Stream" (Completion of existing UM/Sea Grant/Industry consortium project), 19 pages.
Allen Donald Wayne
Balint Stephen W.
Henning Dean Leroy
McMillan David Wayne
Shell Oil Company
Smith Mark A.
Swinehart Ed
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