BOP elastomer health monitoring
US10900347B2 · kind B2 · utility
4Cited by
28References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 1, 2018 |
| Grant date | Jan 26, 2021 |
| Priority date | — |
| Expiry date | Nov 4, 2038 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B33/064
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
The service life of a packer element, an annular BOP, is estimated using one pressure sensor below the elastomer seal or two pressure sensors positioned above and below the elastomer seal. The pressure variations below the elastomer are monitored versus piston position and used to detect elastomer wear with time/pressure cycles. The pressure variations above the elastomer can be used to detect potential leakage, as well as leak characteristics such as leaking rate or leak geometry.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.