Floating type self-lifting drilling platform
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United States of America Patent
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Oct 4, 2016
Grant Date -
Aug 11, 2016
app pub date -
Dec 29, 2015
filing date -
Feb 9, 2015
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Abstract
A floating type self-lifting drilling platform includes a main deck, a floating cushion, pile legs, a lifting mechanism and a mooring system. The area and thickness of the floating cushionare both greater than those of the main deck, the middle part is provided with a moon pool, and the inner part is partitioned into multiple cabins; there are three pile legs, the pile legs are truss structures, the bottom part of each of the pile legs is rigidly connected with the floating cushion, and the main deck lifts vertically along the pile legs through the lifting mechanism and is fixed at a preset height; each pile leg includes upper and lower hollow sealing bodies; the water line is located in the height range of the upper section during the operation and positioned through the mooring system.
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