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Application of WLAT and DREAM for Risk Based Monitoring Design


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Key Findings:

  • 42 abandoned wells were evaluated for their potential to leak brine and/or CO2

  • The Well Leakage Analysis tool (WLAT) determined ten wellbores to be potential pathways for CO2

  • Brine leaked through every well; however, settled to the bottom of thief zones

  • The Designs for Risk Evaluation and Monitoring (DREAM) tool prioritized placement of six monitoring wells to detect CO2 leaks

  • Results show three monitoring locations capable of detecting all CO2 leaks


Location: Michigan

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Last Updated March 15, 2021, 18:03 (EST)
Created March 15, 2021, 17:02 (EST)
Citation Yonkofski C, G Tartakovsky, N Huerta, and A Wentworth. 2019. “Risk-based monitoring designs for detecting CO2 leakage through abandoned wellbores: An application of NRAP’s WLAT and DREAM tools.” International Journal of Greenhouse Gas Control 91. 10.1016/j.ijggc.2019.102807.
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Organization NRAP
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Point Of Contact Bob Dilmore
Program Or Project NRAP
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