Floating type self-lifting drilling platform
US9457875B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 29, 2015 |
| Grant date | Oct 4, 2016 |
| Priority date | — |
| Expiry date | Dec 29, 2035 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB63B2001/044
- WIPO fieldTransport
- WIPO sectorMechanical engineering
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.