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Revising the Static Geological Reservoir Model of the Upper Triassic Stuttgart Formation at the Ketzin Pilot Site for CO 2 Storage by Integrated Inverse Modelling

Author

Listed:
  • Thomas Kempka

    (Fluid Systems Modelling, GFZ German Research Centre for Geosciences, Telegrafenberg, 14473 Potsdam, Germany)

  • Ben Norden

    (Geothermal Energy Systems, GFZ German Research Centre for Geosciences, Telegrafenberg, 14473 Potsdam, Germany)

  • Alexandra Ivanova

    (Geological Storage, GFZ German Research Centre for Geosciences, Telegrafenberg, 14473 Potsdam, Germany)

  • Stefan Lüth

    (Geological Storage, GFZ German Research Centre for Geosciences, Telegrafenberg, 14473 Potsdam, Germany)

Abstract

The Ketzin pilot site for CO 2 storage in Germany has been operated from 2007 to 2013 with about 67 kt of CO 2 injected into the Upper Triassic Stuttgart Formation. Main objectives of this undertaking were assessing general feasibility of CO 2 storage in saline aquifers as well as testing and integrating efficient monitoring and long-term prediction strategies. The present study aims at revising the latest static geological reservoir model of the Stuttgart Formation by applying an integrated inverse modelling approach. Observation data considered for this purpose include bottomhole pressures recorded during hydraulic testing and almost five years of CO 2 injection as well as gaseous CO 2 contours derived from 3D seismic repeat surveys carried out in 2009 and 2012. Inverse modelling results show a remarkably good agreement with the hydraulic testing and CO 2 injection bottomhole pressures ( R 2 = 0.972), while spatial distribution and thickness of the gaseous CO 2 derived from 3D seismic interpretation exhibit a generally good agreement with the simulation results ( R 2 = 0.699 to 0.729). The present study successfully demonstrates how the integrated inverse modelling approach, applied for effective permeability calibration in a geological model here, can substantially reduce parameter uncertainty.

Suggested Citation

  • Thomas Kempka & Ben Norden & Alexandra Ivanova & Stefan Lüth, 2017. "Revising the Static Geological Reservoir Model of the Upper Triassic Stuttgart Formation at the Ketzin Pilot Site for CO 2 Storage by Integrated Inverse Modelling," Energies, MDPI, vol. 10(10), pages 1-15, October.
    • Handle: RePEc:gam:jeners:v:10:y:2017:i:10:p:1559-:d:114634
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    References listed on IDEAS

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    1. Sebastian Fischer & Marco De Lucia & Axel Liebscher, 2014. "Kinetic modeling of laboratory CO 2 ‐exposure experiments performed on whole rock reservoir samples," Greenhouse Gases: Science and Technology, Blackwell Publishing, vol. 4(2), pages 244-256, April.
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