Method and system for monitoring the performance of a pipe containing a pressurised fluid
US7561976B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 11, 2004 |
| Grant date | Jul 14, 2009 |
| Priority date | — |
| Expiry date | Nov 9, 2024 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01M5/0041
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A method and system for monitoring the performance of a pipe containing a pressurised fluid. The pipe is made up of at least one current zone and singular zones. A predetermined number of singular zones are monitored, in order to obtain circumferential expansion information; and the calculation of the effective stiffness of the pipe and of the measured residual steel section of the pipe, using this circumferential expansion information. The pipe is dynamically monitored, in order to obtain information relating to the natural vibration frequencies and modes thereof. The information thus gained indicates whether a maintenance operation need be performed on the pipe.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.