The invention discloses a combined buoyancy tank type offshore platform launching device which comprises an upper platform and a lower platform, wherein the upper platform is arranged on the lower platform, the lower platform is arranged under water and the bottom of the lower platform is contacted with the bottom of a harbor basin, the lower platform is provided with notches with position opposite to that of a pile shoe staking area of the offshore platform and quantity equal to that of the pile shoe staking area; the upper platform comprises a plurality of tanks arranged sequentially, each of the tanks is disposed on the lower platform, a part of the tanks are exactly mounted at the notches of the lower platform, and the bottom of each of the tanks is provided with a sea valve for water inlet and outlet. The invention also discloses a method for launching the offshore platform by using the launching device, and the method includes designing and mounting of the upper platform and the lower platform and controlling of launching of the offshore platform. The combined buoyancy tank type offshore platform launching device and the offshore platform launching method greatly decrease launching costs, reduce impact of tides and stormy waves on launching process and risks, shorten launching cycle, and can satisfy the requirements on launching of all existing functional offshore platforms.
Combined buoyancy tank type offshore platform launching device and offshore platform launching method
2016-01-20
Patent
Electronic Resource
English
IPC: | B63C LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS , Zuwasserlassen, Trockenstellen, Docken oder Bergen von Schiffen |
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