Facility comprising at least two bottom-surface links comprising vertical risers connected by bars
US10370904B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 3, 2016 |
| Grant date | Aug 6, 2019 |
| Priority date | — |
| Expiry date | Mar 3, 2036 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16L1/24
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
An installation of bottom-to-surface connections of at least two undersea pipes (11-1, 11-2) resting on the sea bottom (10), and a rigid pipe (1-1, 1-2) constituted by a vertical riser having its bottom end (1a) fastened to a base (9-1, 9-2) at the sea bottom (10), and having its top end (1b) tensioned by an immersed float (4-1, 4-2); and a flexible connection pipe (2-1, 2-2) providing the connection between a common floating support (12) and the top end (1b) of the vertical riser via a junction device (3-1, 3-2; wherein two hybrid towers are connected together by at least one rigid separator bar (5) having a length not less than the diameter of the larger-diameter float.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.