Articles | Volume 25, issue 6
Hydrol. Earth Syst. Sci., 25, 3539–3553, 2021
https://doi.org/10.5194/hess-25-3539-2021
Hydrol. Earth Syst. Sci., 25, 3539–3553, 2021
https://doi.org/10.5194/hess-25-3539-2021

Research article 23 Jun 2021

Research article | 23 Jun 2021

Probabilistic modeling of field-scale CO2 generation by carbonate–clay reactions in sedimentary basins

Giulia Ceriotti et al.

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Cited articles

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Ballentine, C. J., Schoell, M., Coleman, D., and Cain, B. A.: 300-Myr-old magmatic CO2 in natural gas reservoirs of the west Texas Permian basin, Nature, 409, 327–331, 2001. a
Battistelli, A., Berry, P., Bonduà, S., Bortolotti, V., Consonni, A., Cormio, C., Geloni, C., and Vasini, E. M.: Thermodynamics-related processes during the migration of acid gases and methane in deep sedimentary formations, Greenhouse Gases: Science and Technology, 7, 295–312, 2017. a
Blanc, P., Lassin, A., Piantone, P., Azaroual, M., Jacquemet, N., Fabbri, A., and Gaucher, E. C.: Thermoddem: A geochemical database focused on low temperature water/rock interactions and waste materials, Appl. Geochem., 27, 2107–2116, 2012. a, b, c, d
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Short summary
Understanding the natural generation of CO2 in sedimentary basins is key to optimizing exploitation of natural resources and exploring feasibility of carbon capture and storage. We present a novel modeling approach to estimate the probability of CO2 generation caused by geochemical reactions at high temperatures and pressure in realistic sedimentary basins. Our model allows estimation of the most probable CO2 source depth and generation rate as a function of the composition of the source rock.