Subsea conduit cleaning tool
US7971306B2 · kind B2 · utility
0Cited by
11References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 16, 2008 |
| Grant date | Jul 5, 2011 |
| Priority date | — |
| Expiry date | May 6, 2030 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB08B1/12
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The invention described herein relates to a cleaning tool for cleaning subsea conduits, such as tendons, risers or strakes. This invention comprises a flotation collar and brush member which may be attached to a subsea conduit and which may travel up a subsea conduit as a result of buoyancy forces and be retracted using one or more winches.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.