Intrinsic Fiber Optic Chemical Sensors for Subsurface Detection of CO2
- Intelligent Optical Systems, Inc., Torrance, CA (United States); Intelligent Optical Systems, Incorporated
Intelligent Optical Systems, Inc. has developed distributed intrinsic fiber optic sensors to directly quantify the concentration of dissolved or gas-phase CO2 for leak detection or plume migration in carbon capture and sequestration (CCS). The capability of the sensor for highly sensitive detection of CO2 in the pressure and temperature range of 15 to 2,000 psi and 25°C to 175°C was demonstrated, as was the capability of operating in highly corrosive and contaminated environments such as those often found in CO2 injection sites. The novel sensor system was for the first time demonstrated deployed in a deep well, detecting multiple CO2 releases, in real time, at varying depths. Early CO2 release detection, by means of a sensor cable integrating multiple sensor segments, was demonstrated, as was the capability of quantifying the leak. The novel fiber optic sensor system exhibits capabilities not achieved by any other monitoring technology. This project represents a breakthrough in monitoring capabilities for CCS applications.
- Research Organization:
- Intelligent Optical Systems, Inc., Torrance, CA (United States)
- Sponsoring Organization:
- USDOE
- Contributing Organization:
- GeoMechanics Technologies, Monrovia, CA (United States)
- DOE Contract Number:
- FE0010318
- OSTI ID:
- 1245137
- Country of Publication:
- United States
- Language:
- English
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