Probabilistic evaluation of multi-fluid-phase carbon dioxide storage capacities of saline formations in the Pohang Basin, Korea using three-dimensional geologic modeling and grid-based Monte Carlo simulation

Park, Jai-Yong; Lee, Sungho; Kihm, Jung-Hwi; Kim, Junmo; Lee, Yong Il

doi:10.1016/j.ijggc.2018.04.018

Cited by 5 publications

(1 citation statement)

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“…A first challenge of geological storage of carbon dioxide is to select and optimize favorable areas for carbon dioxide storage [43]. The selection and optimization of areas for geological storage of CO 2 requires assessment of reservoir conditions, capping conditions, and safety [44][45][46][47][48]. The safety of geological carbon storage has long been a major concern and is largely influenced by several key factors, including injection pressure and the heterogeneity of fractures and caprocks [49,50].…”

Section: Fmentioning

confidence: 99%

Using the Tidal Response of Groundwater to Assess and Monitor Caprock Confinement in CO2 Geological Sequestration

Zhang,

Chu,

Huang

et al. 2024

Water

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Carbon geological storage (CGS) is an important global practice implemented to mitigate the effects of CO2 emissions on temperature, climate, sea level, and biodiversity. The monitoring of CGS leakage and the impact of storage on hydrogeological properties is important for management and long-term planning. In this study, we show the value of passive monitoring methods based on measuring and modeling water-level responses to tides. We review how monitoring can be used to identify time-varying horizontal and vertical permeabilities as well as independently detect time-varying fracture distribution in aquifer–caprock systems. Methods based on water-level responses to Earth tides are minimally invasive, convenient, economic (since they use existing groundwater wells), and time-continuous. We show how measurements can be used to detect aquifer leakage (caprock confinement) and the distribution of surrounding faults and fractures, which are the two most important unsolved quantities in assessing geological CO2 storage strategies.

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