Imperial College London
Alternate

ProfessorMatthewJackson

Faculty of Engineering, Department of Earth Science & Engineering

Chair in Geological Fluid Dynamics
 
 
 
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Contact

 

+44 (0)20 7594 6538m.d.jackson

 
 
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Location

 

1.34Royal School of MinesSouth Kensington Campus

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Summary

 

Publications

Citation

BibTex format

@inbook{Alshakri:2023:10.1144/SP528-2022-34,
author = {Alshakri, J and Hampson, GJ and Jacquemyn, C and Jackson, MD and Petrovskyy, D and Geiger, S and Silva, JDM and Judice, S and Rahman, F and Costa, Sousa M},
booktitle = {Enabling Secure Subsurface Storage in Future Energy Systems},
doi = {10.1144/SP528-2022-34},
pages = {245--266},
publisher = {Geological Society of London},
title = {A screening assessment of the impact of sedimentological heterogeneity on CO2 migration and stratigraphic-baffling potential: Sherwood and Bunter Sandstones, UK},
url = {http://dx.doi.org/10.1144/SP528-2022-34},
year = {2023}
}
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RIS format (EndNote, RefMan)

TY  - CHAP
AB  - We use a combination of experimental design, sketch-based reservoir modelling, and flow diagnostics to rapidly screen the impact of sedimentological heterogeneities that constitute baffles and barriers on CO2 migration in depleted hydrocarbon reservoirs and saline aquifers of the Sherwood Sandstone Group and Bunter Sandstone Formation, UK. These storage units consist of fluvial sandstones with subordinate aeolian sandstones, floodplain and sabkha heteroliths, and lacustrine mudstones. The predominant control on effective horizontal permeability is the lateral continuity of aeolian-sandstone intervals. Effective vertical permeability is controlled by the lateral extent, thickness and abundance of lacustrine-mudstone layers and aeolian-sandstone layers, and the mean lateral extent and mean vertical spacing of carbonate-cemented basal channel lags in fluvial facies-association layers. The baffling effect on CO2 migration and retention is approximated by the pore volume injected at breakthrough time, which is controlled largely by three heterogeneities, in order of decreasing impact: (1) the lateral continuity of aeolian-sandstone intervals; (2) the lateral extent of lacustrine-mudstone layers, and (3) the thickness and abundance of fluvial-sandstone, aeolian-sandstone, floodplain-and-sabkha-heterolith and lacustrine-mudstone layers. Future effort should be focussed on characterising these three heterogeneities as a precursor for later capillary, dissolution and mineral trapping.
AU  - Alshakri,J
AU  - Hampson,GJ
AU  - Jacquemyn,C
AU  - Jackson,MD
AU  - Petrovskyy,D
AU  - Geiger,S
AU  - Silva,JDM
AU  - Judice,S
AU  - Rahman,F
AU  - Costa,Sousa M
DO  - 10.1144/SP528-2022-34
EP  - 266
PB  - Geological Society of London
PY  - 2023///
SP  - 245
TI  - A screening assessment of the impact of sedimentological heterogeneity on CO2 migration and stratigraphic-baffling potential: Sherwood and Bunter Sandstones, UK
T1  - Enabling Secure Subsurface Storage in Future Energy Systems
UR  - http://dx.doi.org/10.1144/SP528-2022-34
UR  - https://www.lyellcollection.org/doi/10.1144/SP528-2022-34
UR  - http://hdl.handle.net/10044/1/101233
ER  -
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