An integrated core-based analysis for the characterization of flow, transport and mineralogical parameters of the Heletz pilot CO2 storage site reservoir

An integrated core-based analysis for the characterization of flow, transport and mineralogical... •A suite of laboratory and pore-scale CT-based modeling techniques are employed to determine the flow and transport parameters of Heletz sandstone (pore and grain size distribution, porosity, permeability, surface are of the pore space, tortuosity and capillary pressure–saturation relationships).•The amounts of minerals and the poor binding of the Heletz sandstone are revealed through cathodoluminescence microscopy, SEM/XRD and digital image analysis (DIA) on thin sections.•Porosity is determined from μ-CT reconstructed geometries and experimentally from buoyancy method, mercury intrusion porosimetry (MIP), and DIA.•Permeability is determined from gas permeametry at ambient and overburden pressures, and μ-CT based Stokes modeling.•Permeability, capillary pressure–saturation relationships and surface area of the pore space from the μ-CT geometries are significantly affected by the scanning resolution. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png International Journal of Greenhouse Gas Control Elsevier

An integrated core-based analysis for the characterization of flow, transport and mineralogical parameters of the Heletz pilot CO2 storage site reservoir

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Publisher
Elsevier
Copyright
Copyright © 2016 Elsevier Ltd
ISSN
1750-5836
eISSN
1878-0148
D.O.I.
10.1016/j.ijggc.2016.01.030
Publisher site
See Article on Publisher Site

Abstract

•A suite of laboratory and pore-scale CT-based modeling techniques are employed to determine the flow and transport parameters of Heletz sandstone (pore and grain size distribution, porosity, permeability, surface are of the pore space, tortuosity and capillary pressure–saturation relationships).•The amounts of minerals and the poor binding of the Heletz sandstone are revealed through cathodoluminescence microscopy, SEM/XRD and digital image analysis (DIA) on thin sections.•Porosity is determined from μ-CT reconstructed geometries and experimentally from buoyancy method, mercury intrusion porosimetry (MIP), and DIA.•Permeability is determined from gas permeametry at ambient and overburden pressures, and μ-CT based Stokes modeling.•Permeability, capillary pressure–saturation relationships and surface area of the pore space from the μ-CT geometries are significantly affected by the scanning resolution.

Journal

International Journal of Greenhouse Gas ControlElsevier

Published: May 1, 2016

References

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