Method for the assisted installation of an underwater riser
US-9217517-B2 · Dec 22, 2015 · US
Stoppers for structures attached to hybrid riser towers
US9399893B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9399893-B2 |
| Application number | US-201314375406-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jan 30, 2013 |
| Priority date | Jan 30, 2012 |
| Publication date | Jul 26, 2016 |
| Grant date | Jul 26, 2016 |
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Abstract
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A coated or sleeved pipe for a hybrid riser tower is disclosed. The pipe has at least one stop formation that is integral with or attached to an external coating or sleeve of the pipe. The stop formation is arranged to restrain movement along the pipe of a structure attached to the pipe, such as a guide frame.
First claim
Opening claim text (preview).
The invention claimed is: 1. An externally coated or sleeved pipe suitable for supporting guide frames or other structures in a hybrid riser tower, the pipe having a pair of stop formations defining between them a circumferential channel that extends around the pipe, the stop formations being arranged to restrain movement along the pipe of a structure engaged within the circumferential channel attached to the pipe, which formations are part of the external coating or sleeve of the…
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- E21B17/012Primary
Fixed Constructions · mapped topic
Fixed Constructions · mapped topic
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Frequently asked questions
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- What does patent US9399893B2 cover?
- A coated or sleeved pipe for a hybrid riser tower is disclosed. The pipe has at least one stop formation that is integral with or attached to an external coating or sleeve of the pipe. The stop formation is arranged to restrain movement along the pipe of a structure attached to the pipe, such as a guide frame.
- Who is the assignee on this patent?
- Acergy France SAS
- What technology area does this patent fall under?
- Primary CPC classification E21B17/012. Mapped technology areas include Fixed Constructions.
- When was this patent published?
- Publication date Tue Jul 26 2016 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).