Mechanistic Evaluation of the Reservoir Engineering Performance for the Underground Hydrogen Storage in a Deep North Sea Aquifer

Prashant Jadhawar; Motaz Saeed

doi:10.1016/j.ijhydene.2023.07.272

Mechanistic Evaluation of the Reservoir Engineering Performance for the Underground Hydrogen Storage in a Deep North Sea Aquifer

Prashant Jadhawar^* (Corresponding Author), Motaz Saeed

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

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Abstract

Underground hydrogen storage (UHS) in aquifers, salt caverns and depleted hydrocarbon reservoirs allows for the storage of larger volumes of H2 compared to surface storage in vessels. In this work, we investigate the impact of aquifer-related mechanisms and parameters on the performance of UHS in an associated North Sea aquifer using 3D numerical compositional simulations. Simulation results revealed that the aquifer’s permeability heterogeneity has a significant impact on the H2 recovery efficiency where a more homogenous rock would lead to improved H2 productivity. The inclusion of relative permeability hysteresis resulted in a drop in the H2 injectivity and recovery due to H2 discontinuity inside the aquifer which leads to residual H2 during the withdrawal periods. In contrast, the effects of hydrogen solubility and hydrogen diffusion were negligible when studied each in isolation from other factors. Hence, it is essential to properly account for hysteresis and heterogeneity when evaluating UHS in aquifers.

Original language	English
Pages (from-to)	558-574
Number of pages	17
Journal	International Journal of Hydrogen Energy
Volume	50
Issue number	Part D
Early online date	13 Dec 2023
DOIs	https://doi.org/10.1016/j.ijhydene.2023.07.272
Publication status	Published - 2 Jan 2024

Bibliographical note

Open Access via the Elsevier Agreement
Acknowledgement
The authors gratefully acknowledge the funding support by the Net Zero Technology Centre, UK to accomplish this work under the Hydrogen Innovation Grant Scheme. We also thank the valuable support from the Computer Modelling Group (CMG) Limited in this study.

Keywords

Underground Hydorgen storage
Energy Transition
Energy storage
Relative permeability hysteresis
Renewable energy

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1016/j.ijhydene.2023.07.272Licence: CC BY

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© 2023 The Authors. Published by Elsevier Ltd on behalf of Hydrogen Energy Publications LLC. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/)
Final published version, 5.71 MBLicence: CC BY

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Hydrogen Pipeline Transport to Subsurface Storage in Depleted Oil and Gas Reservoirs and Aquifers
Prashant Jadhawar (Speaker)
7 Sept 2023
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Cite this

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title = "Mechanistic Evaluation of the Reservoir Engineering Performance for the Underground Hydrogen Storage in a Deep North Sea Aquifer",

abstract = "Underground hydrogen storage (UHS) in aquifers, salt caverns and depleted hydrocarbon reservoirs allows for the storage of larger volumes of H2 compared to surface storage in vessels. In this work, we investigate the impact of aquifer-related mechanisms and parameters on the performance of UHS in an associated North Sea aquifer using 3D numerical compositional simulations. Simulation results revealed that the aquifer{\textquoteright}s permeability heterogeneity has a significant impact on the H2 recovery efficiency where a more homogenous rock would lead to improved H2 productivity. The inclusion of relative permeability hysteresis resulted in a drop in the H2 injectivity and recovery due to H2 discontinuity inside the aquifer which leads to residual H2 during the withdrawal periods. In contrast, the effects of hydrogen solubility and hydrogen diffusion were negligible when studied each in isolation from other factors. Hence, it is essential to properly account for hysteresis and heterogeneity when evaluating UHS in aquifers. ",

keywords = "Underground Hydorgen storage, Energy Transition, Energy storage, Relative permeability hysteresis, Renewable energy",

author = "Prashant Jadhawar and Motaz Saeed",

note = "Open Access via the Elsevier Agreement Acknowledgement The authors gratefully acknowledge the funding support by the Net Zero Technology Centre, UK to accomplish this work under the Hydrogen Innovation Grant Scheme. We also thank the valuable support from the Computer Modelling Group (CMG) Limited in this study. ",

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AB - Underground hydrogen storage (UHS) in aquifers, salt caverns and depleted hydrocarbon reservoirs allows for the storage of larger volumes of H2 compared to surface storage in vessels. In this work, we investigate the impact of aquifer-related mechanisms and parameters on the performance of UHS in an associated North Sea aquifer using 3D numerical compositional simulations. Simulation results revealed that the aquifer’s permeability heterogeneity has a significant impact on the H2 recovery efficiency where a more homogenous rock would lead to improved H2 productivity. The inclusion of relative permeability hysteresis resulted in a drop in the H2 injectivity and recovery due to H2 discontinuity inside the aquifer which leads to residual H2 during the withdrawal periods. In contrast, the effects of hydrogen solubility and hydrogen diffusion were negligible when studied each in isolation from other factors. Hence, it is essential to properly account for hysteresis and heterogeneity when evaluating UHS in aquifers.

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Mechanistic Evaluation of the Reservoir Engineering Performance for the Underground Hydrogen Storage in a Deep North Sea Aquifer

Abstract

Bibliographical note

Keywords

UN SDGs

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Activities

Hydrogen Pipeline Transport to Subsurface Storage in Depleted Oil and Gas Reservoirs and Aquifers

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