Regimes of Fluid Displacement from an Anisotropic Formation in the Gravity Field

Chernova, A. A.; Afanasyev, A. A.

doi:10.1134/s0015462823601377

Fluid Dyn

2023

DOI: 10.1134/s0015462823601377

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Regimes of Fluid Displacement from an Anisotropic Formation in the Gravity Field

A. A. Chernova,

A. A. Afanasyev

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2024

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Cited by 4 publications

References 13 publications

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Recovery and Sweep Efficiency in a Cross-Sectional Problem of Immiscible Displacement with Gravity Override and Capillary Imbibition

Chernova,

Afanasyev

2024

Transp Porous Med

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Recovery and Sweep Efficiency in a Cross-Sectional Problem of Immiscible Displacement with Gravity Override and Capillary Imbibition

Chernova,

Afanasyev

2024

Transp Porous Med

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CO2 storage efficiency in saline aquifers: Insight from the numerical modeling of immiscible displacement

Sypchenko,

Afanasyev

2024

Physics of Fluids

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We estimate the storage efficiency and the maximum migration distance of CO2 injected through a vertical well into a homogeneous open aquifer. The efficiency is regarded as a measure of the pore space usage for the subsurface CO2 disposal. Under the assumption of immiscible (no-soluble) displacement of the reservoir brine by the injected CO2, we derive the dimensionless equations governing the radial flow from the well. Using this theoretical development, we conclude that all parameters of the gas disposal can depend only on five similarity parameters, which can be considered the screening criteria for the CO2 storage. By employing reservoir simulations, we calculate the storage efficiency and the maximum migration distance as functions of those parameters and evaluate the most influencing criteria. We distinguish several limiting cases corresponding to either the gravity-driven flow of CO2 or its injection into an anisotropic reservoir characterized by a poor fluid communication in the vertical direction. We show that the storage parameters are governed by different scaling relationships in these limiting cases. We quantify the coefficients of the corresponding scaling laws. For the transient regimes of the CO2 flow away from the well, we present the maps allowing a back-of-the-envelope estimation of the storage efficiency for given similarity criteria. The maps and the scaling laws can be useful in the regional surveys for a preliminary screening and evaluation of the target reservoirs for carbon capture and storage.

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Regimes of Displacement from an Anisotropic Formation during Injection of Fluid through a Vertical Well

Andreeva,

Afanasyev

2024

Fluid Dyn

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Regimes of Fluid Displacement from an Anisotropic Formation in the Gravity Field

Cited by 4 publications

References 13 publications

Recovery and Sweep Efficiency in a Cross-Sectional Problem of Immiscible Displacement with Gravity Override and Capillary Imbibition

Recovery and Sweep Efficiency in a Cross-Sectional Problem of Immiscible Displacement with Gravity Override and Capillary Imbibition

CO2 storage efficiency in saline aquifers: Insight from the numerical modeling of immiscible displacement

Regimes of Displacement from an Anisotropic Formation during Injection of Fluid through a Vertical Well

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