Construction of Reliable Flow Simulation Domain and Estimation of Permeability Based on Nuclear Magnetic Resonance and 3D X-ray Computed Tomography for Reservoir Carbonate Rocks

Eomzi Yang; Dong Hun Kang; Taewoong Ahn; Joo Yong Lee; Tae Sup Yun

doi:10.1007/s11242-022-01807-2

Construction of Reliable Flow Simulation Domain and Estimation of Permeability Based on Nuclear Magnetic Resonance and 3D X-ray Computed Tomography for Reservoir Carbonate Rocks

Eomzi Yang, Dong Hun Kang, Taewoong Ahn, Joo Yong Lee, Tae Sup Yun

Department of Civil and Environmental Engineering

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

1 Citation (Scopus)

Abstract

Due to the heterogeneity of carbonate rocks, some small pores partially undertaking flows are unresolved in X-ray CT images, therefore have been not appropriately considered in direct flow simulation. By the data fusion of two non-destructive measurements from X-ray CT imaging and nuclear magnetic resonance measurement, this study proposes the construction of ternary-phase domain including resolved apparent-pore, unresolved gray-pore, and resolved solid voxels. Gray-pore voxel containing the unresolved pore is characterized as a microporous structure with equivalent local hydraulic properties according to CT number and pore size distribution. From X-ray CT images of reservoir carbonate rocks from Abu Dhabi, ternary-phase domains are constructed consistently to figure out local and overall flow behaviors despite the different image resolutions. Stokes–Brinkman flow simulation shows that although some apparent-pore volumes are disconnected from each other due to limited resolution, fluid flow can be passed by the gray-pore region. Additionally, a modified hydraulic tortuosity model is proposed to evaluate the tortuosity of the ternary-phase domain because the conventional hydraulic tortuosity model for the binary-phase domain underestimates the tortuosity of the ternary-phase domain.

Original language	English
Pages (from-to)	739-763
Number of pages	25
Journal	Transport in Porous Media
Volume	143
Issue number	3
DOIs	https://doi.org/10.1007/s11242-022-01807-2
Publication status	Published - 2022 Jul

Bibliographical note

Funding Information:
This work was supported by the National Research Foundation of Korea (NRF) Grant funded by the Korean government (MSIT) (Nos. 2020R1A2C1014815, NRF-2021R1A5A1032433, 2019R1A6A3A03032835). This work was also supported by the Energy Efficiency and Resources of the Korea Institute of Energy Technology Evaluation and Planning (KETEP) grant, funded by the Korean government Ministry of Trade, Industry and Energy (No. 20152510101980). This research was partially supported by the Basic Research Project of the Korea Institute of Geoscience and Mineral Resources (KIGAM) funded by the Ministry of Science and ICT(GP2020-025/006).

Publisher Copyright:
© 2022, The Author(s), under exclusive licence to Springer Nature B.V.

All Science Journal Classification (ASJC) codes

Catalysis
Chemical Engineering(all)

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10.1007/s11242-022-01807-2

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title = "Construction of Reliable Flow Simulation Domain and Estimation of Permeability Based on Nuclear Magnetic Resonance and 3D X-ray Computed Tomography for Reservoir Carbonate Rocks",

abstract = "Due to the heterogeneity of carbonate rocks, some small pores partially undertaking flows are unresolved in X-ray CT images, therefore have been not appropriately considered in direct flow simulation. By the data fusion of two non-destructive measurements from X-ray CT imaging and nuclear magnetic resonance measurement, this study proposes the construction of ternary-phase domain including resolved apparent-pore, unresolved gray-pore, and resolved solid voxels. Gray-pore voxel containing the unresolved pore is characterized as a microporous structure with equivalent local hydraulic properties according to CT number and pore size distribution. From X-ray CT images of reservoir carbonate rocks from Abu Dhabi, ternary-phase domains are constructed consistently to figure out local and overall flow behaviors despite the different image resolutions. Stokes–Brinkman flow simulation shows that although some apparent-pore volumes are disconnected from each other due to limited resolution, fluid flow can be passed by the gray-pore region. Additionally, a modified hydraulic tortuosity model is proposed to evaluate the tortuosity of the ternary-phase domain because the conventional hydraulic tortuosity model for the binary-phase domain underestimates the tortuosity of the ternary-phase domain.",

author = "Eomzi Yang and Kang, {Dong Hun} and Taewoong Ahn and Lee, {Joo Yong} and Yun, {Tae Sup}",

note = "Funding Information: This work was supported by the National Research Foundation of Korea (NRF) Grant funded by the Korean government (MSIT) (Nos. 2020R1A2C1014815, NRF-2021R1A5A1032433, 2019R1A6A3A03032835). This work was also supported by the Energy Efficiency and Resources of the Korea Institute of Energy Technology Evaluation and Planning (KETEP) grant, funded by the Korean government Ministry of Trade, Industry and Energy (No. 20152510101980). This research was partially supported by the Basic Research Project of the Korea Institute of Geoscience and Mineral Resources (KIGAM) funded by the Ministry of Science and ICT(GP2020-025/006). Publisher Copyright: {\textcopyright} 2022, The Author(s), under exclusive licence to Springer Nature B.V.",

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N2 - Due to the heterogeneity of carbonate rocks, some small pores partially undertaking flows are unresolved in X-ray CT images, therefore have been not appropriately considered in direct flow simulation. By the data fusion of two non-destructive measurements from X-ray CT imaging and nuclear magnetic resonance measurement, this study proposes the construction of ternary-phase domain including resolved apparent-pore, unresolved gray-pore, and resolved solid voxels. Gray-pore voxel containing the unresolved pore is characterized as a microporous structure with equivalent local hydraulic properties according to CT number and pore size distribution. From X-ray CT images of reservoir carbonate rocks from Abu Dhabi, ternary-phase domains are constructed consistently to figure out local and overall flow behaviors despite the different image resolutions. Stokes–Brinkman flow simulation shows that although some apparent-pore volumes are disconnected from each other due to limited resolution, fluid flow can be passed by the gray-pore region. Additionally, a modified hydraulic tortuosity model is proposed to evaluate the tortuosity of the ternary-phase domain because the conventional hydraulic tortuosity model for the binary-phase domain underestimates the tortuosity of the ternary-phase domain.

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Construction of Reliable Flow Simulation Domain and Estimation of Permeability Based on Nuclear Magnetic Resonance and 3D X-ray Computed Tomography for Reservoir Carbonate Rocks

Abstract

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