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  1. Probability Distributions for Effective Permeability of Potentially Leaking Wells at CO2 Sequestration Sites

    Carey, J
    NRAP TRS

  2. A risk-based approach to evaluating the Area of Review and leakage risks at CO2 storage sites

    White, Signe; Carroll, Susan; Chu, Shaoping; ... - International Journal of Greenhouse Gas Control
    The U.S. Environmental Protection Agency’s Class VI regulations for underground carbon dioxide (CO2) injection require owners and operators of storage projects to identify (1) an Area of Review (AoR) that represents the region that may be affected by the injection of CO2, and (2) leakage risks that might impact the quality of underground sources of drinking water (USDWs). This article describes how such risks can be determined by accounting for the physical and chemical properties of all components of a CO2 storage site using elements of the National Risk Assessment Partnership Integrated Assessment Model for Carbon Storage (NRAP-IAM-CS). For thismore » work we used practical data from three sites that are part of two CarbonSAFE (Carbon Storage Assurance Facility Enterprise) projects to demonstrate application of the NRAP-IAM-CS toolset to determine project risk areas. NRAP-IAM-CS was used to estimate the project risk area that could represent the AoR and the impact of leakage through legacy wells to overlying drinking waters at these candidate CO2 storage sites. Our study shows that risk to USDWs is minimal despite (1) the presence of multiple legacy wells at these sites where the AoR approximates the maximum extent of injected CO2 or (2) the presence of a much larger AoR approximating the pressure front caused by the injection of CO2.« less
    Cited by 17

  3. Integrated CCS for Kansas (ICKan) (Final Technical Report)

    Holubnyak, Yevhen (Eugene); Dubois, Martin; Bidgoli, Tandis; ...
    The goal of the Phase I activity under CarbonSAFE was to evaluate and develop a plan and strategy to address the challenges and opportunities for commercial-scale Carbon Capture and Storage (CCS) in Kansas, ICKan (Integrated CCS for Kansas). The objectives of this project included identifying and addressing the major technical and nontechnical challenges of implementing CO2 capture and transport and establishing secure geologic storage for CO2 in Kansas capable of storing 50Mt. In order to achieve these objectives, it was necessary to establish CCS Coordination Team that consisted of professionals from multiple technical and nontechnical disciplines such as geoscience, policymore » and law, public relations, engineering and others. The Team conducted an integrated and multi-disciplinary assessment of CCS in Kansas. The assessment included: (1) high-level technical, sub-basinal evaluations of CO2 storage; (2) high-level technical examination of three of Kansas' largest CO2 point sources and considered other alternatives; (3) high-level evaluation of transportation systems required, 4) evaluation of energy, environmental, regulatory, business law, and public policy; (5) public outreach and acceptance; and (6) identification of economic, commercial, and financial challenges for deployment of commercial-scale CCS in Kansas.« less
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10.18141/1433164
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