Riser assembly and method of providing riser assembly
US9359829B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 18, 2012 |
| Grant date | Jun 7, 2016 |
| Priority date | — |
| Expiry date | Oct 18, 2032 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B17/017
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A riser assembly and method of producing a riser assembly for transporting fluids from a sub-sea location is disclosed. The assembly includes a riser comprising at least one segment of flexible pipe, the riser having a first end for connection to a floating facility and a further end; at least one buoyancy element for enabling a portion of the riser to form a hog bend configuration and an adjacent portion of the riser to form a sag bend configuration; and a weight element provided between the first end of the riser and the at least one buoyancy element, such that in an initial deployment position, the weight element is provided at least partially in the sag bend portion of the riser.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.