Influence of Caprock Morphology on Solubility Trapping during CO2 Geological Sequestration

Carbon capture and sequestration (CCS) technology is one of the indispensable alternatives to reduce carbon dioxide (CO2) emissions. In this technology, carbon capture and transport grid will send CO2 to the storage facilities that are using various storage techniques. Geologic carbon sequestration...

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Main Authors: Pradeep Reddy Punnam, Balaji Krishnamurthy, Vikranth Kumar Surasani
Format: Article
Language:English
Published: Wiley 2022-01-01
Series:Geofluids
Online Access:http://dx.doi.org/10.1155/2022/8016575
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author Pradeep Reddy Punnam
Balaji Krishnamurthy
Vikranth Kumar Surasani
author_facet Pradeep Reddy Punnam
Balaji Krishnamurthy
Vikranth Kumar Surasani
author_sort Pradeep Reddy Punnam
collection DOAJ
description Carbon capture and sequestration (CCS) technology is one of the indispensable alternatives to reduce carbon dioxide (CO2) emissions. In this technology, carbon capture and transport grid will send CO2 to the storage facilities that are using various storage techniques. Geologic carbon sequestration (GCS) is one such storage technique where CO2 is injected into a deep geological subsurface formation. The injected CO2 is permanently stored in the formation due to structural, residual, solubility, and mineral trapping phenomena. Among different trapping mechanisms, solubility trapping plays a significant role in the safe operation of GCS. In this work, the study is conducted to elucidate the influence of top surface caprock morphology on the solubility trapping mechanism. The simulation results show that the naturally available heterogeneous formations with anticline and without anticline structure influence the solubility fingering phenomena and solubility entrapment percentage over a geological time scale. The lateral migration and sweeping efficiency results of both the synthetic domains for the injected CO2 have shown the importance of caprock morphology on solubility trapping and selection of injection rate. Quantification of solubility trapping in two morphological structures revealed that the synthetic domain without anticline morphology had shown higher solubility trapping. In the future, the simulation data using Artificial Neural Networks can be applied to predict the structural and solubility trapping of geological formations. This analysis further helps incorporating the interaction of CO2 with porous media leading to a mineral trapping mechanism.
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spelling doaj-art-6114d203fc4c40c6a4abb1d342dadda22025-02-03T06:11:55ZengWileyGeofluids1468-81232022-01-01202210.1155/2022/8016575Influence of Caprock Morphology on Solubility Trapping during CO2 Geological SequestrationPradeep Reddy Punnam0Balaji Krishnamurthy1Vikranth Kumar Surasani2Department of Chemical EngineeringDepartment of Chemical EngineeringDepartment of Chemical EngineeringCarbon capture and sequestration (CCS) technology is one of the indispensable alternatives to reduce carbon dioxide (CO2) emissions. In this technology, carbon capture and transport grid will send CO2 to the storage facilities that are using various storage techniques. Geologic carbon sequestration (GCS) is one such storage technique where CO2 is injected into a deep geological subsurface formation. The injected CO2 is permanently stored in the formation due to structural, residual, solubility, and mineral trapping phenomena. Among different trapping mechanisms, solubility trapping plays a significant role in the safe operation of GCS. In this work, the study is conducted to elucidate the influence of top surface caprock morphology on the solubility trapping mechanism. The simulation results show that the naturally available heterogeneous formations with anticline and without anticline structure influence the solubility fingering phenomena and solubility entrapment percentage over a geological time scale. The lateral migration and sweeping efficiency results of both the synthetic domains for the injected CO2 have shown the importance of caprock morphology on solubility trapping and selection of injection rate. Quantification of solubility trapping in two morphological structures revealed that the synthetic domain without anticline morphology had shown higher solubility trapping. In the future, the simulation data using Artificial Neural Networks can be applied to predict the structural and solubility trapping of geological formations. This analysis further helps incorporating the interaction of CO2 with porous media leading to a mineral trapping mechanism.http://dx.doi.org/10.1155/2022/8016575
spellingShingle Pradeep Reddy Punnam
Balaji Krishnamurthy
Vikranth Kumar Surasani
Influence of Caprock Morphology on Solubility Trapping during CO2 Geological Sequestration
Geofluids
title Influence of Caprock Morphology on Solubility Trapping during CO2 Geological Sequestration
title_full Influence of Caprock Morphology on Solubility Trapping during CO2 Geological Sequestration
title_fullStr Influence of Caprock Morphology on Solubility Trapping during CO2 Geological Sequestration
title_full_unstemmed Influence of Caprock Morphology on Solubility Trapping during CO2 Geological Sequestration
title_short Influence of Caprock Morphology on Solubility Trapping during CO2 Geological Sequestration
title_sort influence of caprock morphology on solubility trapping during co2 geological sequestration
url http://dx.doi.org/10.1155/2022/8016575
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AT balajikrishnamurthy influenceofcaprockmorphologyonsolubilitytrappingduringco2geologicalsequestration
AT vikranthkumarsurasani influenceofcaprockmorphologyonsolubilitytrappingduringco2geologicalsequestration