Device for monitoring temperature response to stress change in strata
US10114147B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 9, 2016 |
| Grant date | Oct 30, 2018 |
| Priority date | — |
| Expiry date | Apr 3, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01V1/01
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A device for monitoring temperature response to stress change in strata, includes: a stress or strain sensor, disposed at the bottom of a borehole in the strata, encapsulated with expansive cement, and detecting a stress change in the strata; a temperature response amplifying unit, disposed in the borehole and above the sensor, encapsulated with expansive cement, and configured to detect a temperature variation caused by the stress change and to amplify said temperature variation; a power controlling and data collecting module disposed outside the borehole and configured to supply power to the sensor and the temperature response amplifying unit and to collect the stress change and the amplified temperature variation. Silicone or rubber is used to encapsulate the temperature sensors, by which the temperature response to stress change in strata is amplified effectively.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.