Hoisting method and assembly for abandoning and/or recovering an underwater pipeline from a laying vessel, and laying vessel equipped with such a hoisting assembly
US8827596B2 · kind B2 · utility
1Cited by
2References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 27, 2010 |
| Grant date | Sep 9, 2014 |
| Priority date | — |
| Expiry date | Mar 19, 2031 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16L1/207
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A method of abandoning or recovering an underwater pipeline from a laying vessel includes the steps of looping a first rope about a pulley connected to the free end of the pipeline; end-locking the first rope, on one side, to the laying vessel; and winding or unwinding the first rope, on the other side, by means of a first winch located on the laying vessel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.