We investigate the impact of sub-grid scale horizontal lamination on the migration of the CO2 plume during geologic sequestration. A new physics-based model that includes the effects of capillary and viscous forces is used to obtain effective flow-rate dependent capillary pressure and relative permeability functions. For this purpose a macroscopic capillary number is derived that accurately describes the viscous-capillary force balance. The model is based on the fractional flow approach and is implemented in an extended radial Buckley-Leverett solution. This provides an easy way to investigate the impact of mm to m scale laminae on the frontal advance of the plume. Our work shows that at injection rates and volumes commonly used at geologic sequestration sites, capillary number dependency is important during the initial phase of the injection period. At later stages, the use of a capillary limit solution will be a valid approximation, even close to the injection well.
%0 Journal Article
%1 Boon2021
%A Boon, Maartje
%A Benson, Sally M
%D 2021
%J Advances in Water Resources
%K curated EXC2075 PN1-13
%P 103881
%R 10.1016/j.advwatres.2021.103881
%T A physics-based model to predict the impact of horizontal lamination on CO2 plume migration
%U https://www.sciencedirect.com/science/article/pii/S0309170821000361
%V 150
%X We investigate the impact of sub-grid scale horizontal lamination on the migration of the CO2 plume during geologic sequestration. A new physics-based model that includes the effects of capillary and viscous forces is used to obtain effective flow-rate dependent capillary pressure and relative permeability functions. For this purpose a macroscopic capillary number is derived that accurately describes the viscous-capillary force balance. The model is based on the fractional flow approach and is implemented in an extended radial Buckley-Leverett solution. This provides an easy way to investigate the impact of mm to m scale laminae on the frontal advance of the plume. Our work shows that at injection rates and volumes commonly used at geologic sequestration sites, capillary number dependency is important during the initial phase of the injection period. At later stages, the use of a capillary limit solution will be a valid approximation, even close to the injection well.
@article{Boon2021,
abstract = {We investigate the impact of sub-grid scale horizontal lamination on the migration of the CO2 plume during geologic sequestration. A new physics-based model that includes the effects of capillary and viscous forces is used to obtain effective flow-rate dependent capillary pressure and relative permeability functions. For this purpose a macroscopic capillary number is derived that accurately describes the viscous-capillary force balance. The model is based on the fractional flow approach and is implemented in an extended radial Buckley-Leverett solution. This provides an easy way to investigate the impact of mm to m scale laminae on the frontal advance of the plume. Our work shows that at injection rates and volumes commonly used at geologic sequestration sites, capillary number dependency is important during the initial phase of the injection period. At later stages, the use of a capillary limit solution will be a valid approximation, even close to the injection well.},
added-at = {2024-09-13T09:40:30.000+0200},
author = {Boon, Maartje and Benson, Sally M},
biburl = {https://puma.ub.uni-stuttgart.de/bibtex/2dfe07d68f9c7438d6c6fc302c39d3536/simtech},
doi = {10.1016/j.advwatres.2021.103881},
interhash = {3d7a182b995982199462b4523c9d25ae},
intrahash = {dfe07d68f9c7438d6c6fc302c39d3536},
issn = {0309-1708},
journal = {Advances in Water Resources},
keywords = {curated EXC2075 PN1-13},
pages = 103881,
timestamp = {2024-09-17T12:25:52.000+0200},
title = {A physics-based model to predict the impact of horizontal lamination on CO2 plume migration},
url = {https://www.sciencedirect.com/science/article/pii/S0309170821000361},
volume = 150,
year = 2021
}
