Marine platform jacket jack

Details Marine platform jacket jack Marine platform jacket jack

1981-01-23

1983-01-04

Taylor, Dennis L.

Hydraulic and earth engineering

Marine structure or fabrication thereof

With anchoring of structure to marine floor

254106, 254 29R, 405224, 405232, E02D 1300

Patent

active

043670563

ABSTRACT:
A jacking mechanism for leveling a marine platform and a jacket supporting the platform by elevating a tubular leg or member of the platform relative to a pile extending through that member, with the jacking mechanism including a first gripping unit adapted to extend about and releasably grip the tubular member, a second gripping unit adapted to extend about and releasably grip the pile at a location beyond the tubular member and at a diameter smaller than the diameter at which the first gripping unit engages the tubular member, and power actuated means for moving the two gripping units axially relative to one another to cause the desired relative displacement of the leg and pile.

REFERENCES:
patent: 2841961 (1958-07-01), Lucas
patent: 2969648 (1961-01-01), Rechtin
patent: 3007317 (1961-11-01), Suderow
patent: 3008691 (1961-11-01), Steele et al.
patent: 3171259 (1965-03-01), Roussel
patent: 3233315 (1966-02-01), Levake
patent: 3396945 (1968-08-01), Schreier et al.
patent: 3495806 (1970-02-01), Sutton
patent: 3804369 (1974-04-01), Sutton
patent: 3869003 (1975-03-01), Yamada et al.

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