[HTML][HTML] Composite confining systems: Rethinking geologic seals for permanent CO2 sequestration

AP Bump, S Bakhshian, H Ni, SD Hovorka… - International Journal of …, 2023 - Elsevier
Permanent containment is paramount for geologic carbon sequestration. Petroleum
experience proves the possibility but also creates bias—to date, carbon storage projects …

Impact of 3D capillary heterogeneity and bedform architecture at the sub-meter scale on CO2 saturation for buoyant flow in clastic aquifers

L Trevisan, PG Krishnamurthy, TA Meckel - International Journal of …, 2017 - Elsevier
During the post-injection and stabilization period of geological carbon sequestration, the
primary forces governing CO 2 migration and entrapment are capillarity and buoyancy …

Characterization and prediction of CO2 saturation resulting from modeling buoyant fluid migration in 2D heterogeneous geologic fabrics

TA Meckel, SL Bryant, PR Ganesh - International Journal of greenhouse …, 2015 - Elsevier
Understanding the pore saturation of CO 2 injected into heterogeneous rocks for permanent
storage is a key challenge for constraining storage efficiency (capacity), plume migration …

Numerical modeling for the combined effects of two-phase flow, deformation, gas diffusion and CO2 sorption on caprock sealing efficiency

JG Wang, Y Peng - Journal of Geochemical Exploration, 2014 - Elsevier
CO 2 leakage through the caprock of a CO 2 sequestration site to the groundwater system is
an important topic in the field of geo-environmental engineering. This problem can be …

Steady dissolution rate due to convective mixing in anisotropic porous media

CP Green, J Ennis-King - Advances in water resources, 2014 - Elsevier
Enhanced dissolution of CO 2 into a saline aquifer due to convective mixing is an important
physical process for the secure long-term storage of significant quantities of CO 2. Numerical …

Equilibrium gravity segregation in porous media with capillary heterogeneity

A Rabinovich, KB Cheng - Journal of Fluid Mechanics, 2020 - cambridge.org
We study the equilibrium of two phases following gravity segregation under the influence of
capillary heterogeneity. Such processes are important in a number of porous media …

Effect of CO2 sorption-induced anisotropic swelling on caprock sealing efficiency

JG Wang, Y Ju, F Gao, Y Peng, Y Gao - Journal of Cleaner Production, 2015 - Elsevier
Caprock sealing integrity is a key issue to CO 2 sequestration in a saline aquifer over a long
period. Caprock as a sealing layer is defined as water-saturated formation with a sufficient …

[HTML][HTML] A simple approach for the estimation of CO2 penetration depth into a caprock layer

JG Wang, Y Ju, F Gao, J Liu - Journal of Rock Mechanics and Geotechnical …, 2016 - Elsevier
Caprock is a water-saturated formation with a sufficient entry capillary pressure to prevent
the upward migration of a buoyant fluid. When the entry capillary pressure of caprock is …

Quantification of the turning point saturation for cross bedded CO2 storage reservoirs

A Mishra, RR Haese - International Journal of Greenhouse Gas Control, 2020 - Elsevier
Cross bedding is a prominent sedimentary structure commonly found in fluvial and coastal to
shallow-marine sedimentary sequences, which are often considered for the geological CO 2 …

An experimental investigation on the CO2 storage capacity of the composite confining system

H Ni, AP Bump, S Bakhshian - International Journal of Greenhouse Gas …, 2024 - Elsevier
Assuring secure containment of stored CO 2 is of paramount importance—for climate
change mitigation, for permitting, and for reassuring the public. Regional seals, such as …