System and method for wellbore monitoring
US8937280B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 31, 2013 |
| Grant date | Jan 20, 2015 |
| Priority date | — |
| Expiry date | May 31, 2033 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01V8/24
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A system for monitoring a borehole in an earth formation includes: a borehole string configured to direct a fluid into the earth formation; at least one optical fiber sensor disposed on the borehole string at a fixed location relative to the borehole string, the optical fiber sensor including a plurality of measurement units configured to generate measurements of at least one of strain and deformation of the borehole string; at least one temperature sensor configured to measure a temperature at a plurality of locations along the length of the optical fiber sensor; and a processor configured to receive the measurements from the at least one optical fiber sensor, receive temperature measurements from the at least one temperature sensor, and identify a fluid leak in at least one of the borehole string and the formation based on a correlation of the optical fiber sensor measurements and the temperature measurements.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.