Optical sensing system for wellhead equipment
US7845404B2 · kind B2 · utility
18Cited by
55References
28Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 4, 2008 |
| Grant date | Dec 7, 2010 |
| Priority date | — |
| Expiry date | Sep 4, 2028 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B47/135
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A system includes a Christmas tree assembly mounted to a hydrocarbon well, an optical feedthrough module, and a plurality of optical sensors. The optical feedthrough module is operable to communicate through a pressure boundary of the Christmas tree assembly. The plurality of optical sensors is disposed within the Christmas tree assembly for measuring parameters associated with the Christmas tree assembly and is operable to communicate through the optical feedthrough module.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.