Subsea pipeline shroud
US5549417A · kind A · utility
8Cited by
11References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 19, 1993 |
| Grant date | Aug 27, 1996 |
| Priority date | — |
| Expiry date | Nov 19, 2013 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16L1/123
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
Vortex-induced vibrations of unsupported segments of subsea pipelines are reduced by providing a shroud that can be lowered onto the subsea pipeline wherein the shroud creates turbulence that interferes with vortex shedding and thereby reduces the amplitude of vibrations are reduced. The preferred shroud comprises a plurality of rods supported in vertical planes along the sides of the pipeline. Installation can be performed without the use of divers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.