Multifunctional Sensor for Monitoring of CO2 Underground Storage by Comprehensive and Spatially Resolved Measuring of Gas Concentrations, Temperature and Structural Changes

Energy Procedia, Volume 37, 2013, Pages 4033-4040.

M. Bartholmai, P.P. Neumann, D. Lazik.

BAM Federal Institute for Materials Research and Testing, Unter den Eichen 87, 12205 Berlin, Germany and

Helmholtz Centre for Environmental Research UFZ, Theodor-Lieser-Str. 4,06120 Halle, Germany.

 

Abstract

 

One of the main unsolved issues of CCS is the comprehensive surveillance of CO2 storage areas with reasonable effort and costs. This study presents an approach for distributed subsurface monitoring of gas storage areas. The concept combines different measurement technologies to one multifunctional sensor: membrane based measurement technology for in situ monitoring of gases in soil and fibre optical sensing of temperature and strain (as a measure for structural change). A test field of application-relevant dimensions is built up to validate and optimize the technology.

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