Constraints on the Sealing Capacity of Faults with Clay Smears from Discrete Element Models Validated by Laboratory Experiments
Abstract Prediction of hydrocarbon column heights in structural traps critically depends on proper analysis of the sealing capacity of faults. Entrainment of clay in fault zones in upper crustal levels may lead to the development of continuous clay smears that dramatically increase the sealing capac...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
TerHeege, J. H. [verfasserIn] |
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| Format: |
Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2013 |
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| Schlagwörter: |
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| Anmerkung: |
© Springer-Verlag Wien 2013 |
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| Übergeordnetes Werk: |
Enthalten in: Rock mechanics and rock engineering - Springer Vienna, 1983, 46(2013), 3 vom: 22. Feb., Seite 465-478 |
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| Übergeordnetes Werk: |
volume:46 ; year:2013 ; number:3 ; day:22 ; month:02 ; pages:465-478 |
| Links: |
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| DOI / URN: |
10.1007/s00603-013-0383-x |
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| Katalog-ID: |
OLC2053460628 |
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| 245 | 1 | 0 | |a Constraints on the Sealing Capacity of Faults with Clay Smears from Discrete Element Models Validated by Laboratory Experiments |
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| 520 | |a Abstract Prediction of hydrocarbon column heights in structural traps critically depends on proper analysis of the sealing capacity of faults. Entrainment of clay in fault zones in upper crustal levels may lead to the development of continuous clay smears that dramatically increase the sealing capacity of faults. In this study, direct shear experiments on large-scale samples of layered sandstone–claystone–sandstone are simulated using two-dimensional discrete element numerical models to study the development of clay smears for different claystone types and normal stress conditions. Analysis of clay smear structures in terms of drag, slicing, wear and flow of clay reveals that drag is dominant at low shear displacements and high local stress concentrations, slicing and wear become important at higher shear displacement and low stresses at source bed near the fault zone. Correlation between critical fault displacements in the experiments and local stress ratios (shear stress divided by normal stress) in the models is used to determine smear failure and leakage for all claystones and normal stresses. A smear breach diagram with sealing/leaking conditions for faults containing clay smears shows that clay smears may be sealing at larger displacements than predicted by other fault seal algorithms, such as shale gouge ratio, in particular for low shale content and high normal stress. | ||
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| 650 | 4 | |a Clay smears | |
| 650 | 4 | |a Discrete element modeling | |
| 650 | 4 | |a Direct shear experiments | |
| 700 | 1 | |a Wassing, B. B. T. |4 aut | |
| 700 | 1 | |a Orlic, B. |4 aut | |
| 700 | 1 | |a Giger, S. B. |4 aut | |
| 700 | 1 | |a Clennell, M. B. |4 aut | |
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10.1007/s00603-013-0383-x doi (DE-627)OLC2053460628 (DE-He213)s00603-013-0383-x-p DE-627 ger DE-627 rakwb eng 690 VZ 16,13 19,1 ssgn TerHeege, J. H. verfasserin aut Constraints on the Sealing Capacity of Faults with Clay Smears from Discrete Element Models Validated by Laboratory Experiments 2013 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer-Verlag Wien 2013 Abstract Prediction of hydrocarbon column heights in structural traps critically depends on proper analysis of the sealing capacity of faults. Entrainment of clay in fault zones in upper crustal levels may lead to the development of continuous clay smears that dramatically increase the sealing capacity of faults. In this study, direct shear experiments on large-scale samples of layered sandstone–claystone–sandstone are simulated using two-dimensional discrete element numerical models to study the development of clay smears for different claystone types and normal stress conditions. Analysis of clay smear structures in terms of drag, slicing, wear and flow of clay reveals that drag is dominant at low shear displacements and high local stress concentrations, slicing and wear become important at higher shear displacement and low stresses at source bed near the fault zone. Correlation between critical fault displacements in the experiments and local stress ratios (shear stress divided by normal stress) in the models is used to determine smear failure and leakage for all claystones and normal stresses. A smear breach diagram with sealing/leaking conditions for faults containing clay smears shows that clay smears may be sealing at larger displacements than predicted by other fault seal algorithms, such as shale gouge ratio, in particular for low shale content and high normal stress. Oil and gas Fault sealing Clay smears Discrete element modeling Direct shear experiments Wassing, B. B. T. aut Orlic, B. aut Giger, S. B. aut Clennell, M. B. aut Enthalten in Rock mechanics and rock engineering Springer Vienna, 1983 46(2013), 3 vom: 22. Feb., Seite 465-478 (DE-627)129620696 (DE-600)246075-0 (DE-576)015126897 0723-2632 nnns volume:46 year:2013 number:3 day:22 month:02 pages:465-478 https://doi.org/10.1007/s00603-013-0383-x lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-UMW SSG-OLC-ARC SSG-OLC-TEC SSG-OLC-GEO SSG-OPC-GGO SSG-OPC-GEO GBV_ILN_30 GBV_ILN_40 GBV_ILN_70 GBV_ILN_2004 GBV_ILN_2014 GBV_ILN_2027 GBV_ILN_4046 GBV_ILN_4700 AR 46 2013 3 22 02 465-478 |
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10.1007/s00603-013-0383-x doi (DE-627)OLC2053460628 (DE-He213)s00603-013-0383-x-p DE-627 ger DE-627 rakwb eng 690 VZ 16,13 19,1 ssgn TerHeege, J. H. verfasserin aut Constraints on the Sealing Capacity of Faults with Clay Smears from Discrete Element Models Validated by Laboratory Experiments 2013 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer-Verlag Wien 2013 Abstract Prediction of hydrocarbon column heights in structural traps critically depends on proper analysis of the sealing capacity of faults. Entrainment of clay in fault zones in upper crustal levels may lead to the development of continuous clay smears that dramatically increase the sealing capacity of faults. In this study, direct shear experiments on large-scale samples of layered sandstone–claystone–sandstone are simulated using two-dimensional discrete element numerical models to study the development of clay smears for different claystone types and normal stress conditions. Analysis of clay smear structures in terms of drag, slicing, wear and flow of clay reveals that drag is dominant at low shear displacements and high local stress concentrations, slicing and wear become important at higher shear displacement and low stresses at source bed near the fault zone. Correlation between critical fault displacements in the experiments and local stress ratios (shear stress divided by normal stress) in the models is used to determine smear failure and leakage for all claystones and normal stresses. A smear breach diagram with sealing/leaking conditions for faults containing clay smears shows that clay smears may be sealing at larger displacements than predicted by other fault seal algorithms, such as shale gouge ratio, in particular for low shale content and high normal stress. Oil and gas Fault sealing Clay smears Discrete element modeling Direct shear experiments Wassing, B. B. T. aut Orlic, B. aut Giger, S. B. aut Clennell, M. B. aut Enthalten in Rock mechanics and rock engineering Springer Vienna, 1983 46(2013), 3 vom: 22. Feb., Seite 465-478 (DE-627)129620696 (DE-600)246075-0 (DE-576)015126897 0723-2632 nnns volume:46 year:2013 number:3 day:22 month:02 pages:465-478 https://doi.org/10.1007/s00603-013-0383-x lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-UMW SSG-OLC-ARC SSG-OLC-TEC SSG-OLC-GEO SSG-OPC-GGO SSG-OPC-GEO GBV_ILN_30 GBV_ILN_40 GBV_ILN_70 GBV_ILN_2004 GBV_ILN_2014 GBV_ILN_2027 GBV_ILN_4046 GBV_ILN_4700 AR 46 2013 3 22 02 465-478 |
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10.1007/s00603-013-0383-x doi (DE-627)OLC2053460628 (DE-He213)s00603-013-0383-x-p DE-627 ger DE-627 rakwb eng 690 VZ 16,13 19,1 ssgn TerHeege, J. H. verfasserin aut Constraints on the Sealing Capacity of Faults with Clay Smears from Discrete Element Models Validated by Laboratory Experiments 2013 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer-Verlag Wien 2013 Abstract Prediction of hydrocarbon column heights in structural traps critically depends on proper analysis of the sealing capacity of faults. Entrainment of clay in fault zones in upper crustal levels may lead to the development of continuous clay smears that dramatically increase the sealing capacity of faults. In this study, direct shear experiments on large-scale samples of layered sandstone–claystone–sandstone are simulated using two-dimensional discrete element numerical models to study the development of clay smears for different claystone types and normal stress conditions. Analysis of clay smear structures in terms of drag, slicing, wear and flow of clay reveals that drag is dominant at low shear displacements and high local stress concentrations, slicing and wear become important at higher shear displacement and low stresses at source bed near the fault zone. Correlation between critical fault displacements in the experiments and local stress ratios (shear stress divided by normal stress) in the models is used to determine smear failure and leakage for all claystones and normal stresses. A smear breach diagram with sealing/leaking conditions for faults containing clay smears shows that clay smears may be sealing at larger displacements than predicted by other fault seal algorithms, such as shale gouge ratio, in particular for low shale content and high normal stress. Oil and gas Fault sealing Clay smears Discrete element modeling Direct shear experiments Wassing, B. B. T. aut Orlic, B. aut Giger, S. B. aut Clennell, M. B. aut Enthalten in Rock mechanics and rock engineering Springer Vienna, 1983 46(2013), 3 vom: 22. Feb., Seite 465-478 (DE-627)129620696 (DE-600)246075-0 (DE-576)015126897 0723-2632 nnns volume:46 year:2013 number:3 day:22 month:02 pages:465-478 https://doi.org/10.1007/s00603-013-0383-x lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-UMW SSG-OLC-ARC SSG-OLC-TEC SSG-OLC-GEO SSG-OPC-GGO SSG-OPC-GEO GBV_ILN_30 GBV_ILN_40 GBV_ILN_70 GBV_ILN_2004 GBV_ILN_2014 GBV_ILN_2027 GBV_ILN_4046 GBV_ILN_4700 AR 46 2013 3 22 02 465-478 |
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10.1007/s00603-013-0383-x doi (DE-627)OLC2053460628 (DE-He213)s00603-013-0383-x-p DE-627 ger DE-627 rakwb eng 690 VZ 16,13 19,1 ssgn TerHeege, J. H. verfasserin aut Constraints on the Sealing Capacity of Faults with Clay Smears from Discrete Element Models Validated by Laboratory Experiments 2013 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer-Verlag Wien 2013 Abstract Prediction of hydrocarbon column heights in structural traps critically depends on proper analysis of the sealing capacity of faults. Entrainment of clay in fault zones in upper crustal levels may lead to the development of continuous clay smears that dramatically increase the sealing capacity of faults. In this study, direct shear experiments on large-scale samples of layered sandstone–claystone–sandstone are simulated using two-dimensional discrete element numerical models to study the development of clay smears for different claystone types and normal stress conditions. Analysis of clay smear structures in terms of drag, slicing, wear and flow of clay reveals that drag is dominant at low shear displacements and high local stress concentrations, slicing and wear become important at higher shear displacement and low stresses at source bed near the fault zone. Correlation between critical fault displacements in the experiments and local stress ratios (shear stress divided by normal stress) in the models is used to determine smear failure and leakage for all claystones and normal stresses. A smear breach diagram with sealing/leaking conditions for faults containing clay smears shows that clay smears may be sealing at larger displacements than predicted by other fault seal algorithms, such as shale gouge ratio, in particular for low shale content and high normal stress. Oil and gas Fault sealing Clay smears Discrete element modeling Direct shear experiments Wassing, B. B. T. aut Orlic, B. aut Giger, S. B. aut Clennell, M. B. aut Enthalten in Rock mechanics and rock engineering Springer Vienna, 1983 46(2013), 3 vom: 22. Feb., Seite 465-478 (DE-627)129620696 (DE-600)246075-0 (DE-576)015126897 0723-2632 nnns volume:46 year:2013 number:3 day:22 month:02 pages:465-478 https://doi.org/10.1007/s00603-013-0383-x lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-UMW SSG-OLC-ARC SSG-OLC-TEC SSG-OLC-GEO SSG-OPC-GGO SSG-OPC-GEO GBV_ILN_30 GBV_ILN_40 GBV_ILN_70 GBV_ILN_2004 GBV_ILN_2014 GBV_ILN_2027 GBV_ILN_4046 GBV_ILN_4700 AR 46 2013 3 22 02 465-478 |
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10.1007/s00603-013-0383-x doi (DE-627)OLC2053460628 (DE-He213)s00603-013-0383-x-p DE-627 ger DE-627 rakwb eng 690 VZ 16,13 19,1 ssgn TerHeege, J. H. verfasserin aut Constraints on the Sealing Capacity of Faults with Clay Smears from Discrete Element Models Validated by Laboratory Experiments 2013 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer-Verlag Wien 2013 Abstract Prediction of hydrocarbon column heights in structural traps critically depends on proper analysis of the sealing capacity of faults. Entrainment of clay in fault zones in upper crustal levels may lead to the development of continuous clay smears that dramatically increase the sealing capacity of faults. In this study, direct shear experiments on large-scale samples of layered sandstone–claystone–sandstone are simulated using two-dimensional discrete element numerical models to study the development of clay smears for different claystone types and normal stress conditions. Analysis of clay smear structures in terms of drag, slicing, wear and flow of clay reveals that drag is dominant at low shear displacements and high local stress concentrations, slicing and wear become important at higher shear displacement and low stresses at source bed near the fault zone. Correlation between critical fault displacements in the experiments and local stress ratios (shear stress divided by normal stress) in the models is used to determine smear failure and leakage for all claystones and normal stresses. A smear breach diagram with sealing/leaking conditions for faults containing clay smears shows that clay smears may be sealing at larger displacements than predicted by other fault seal algorithms, such as shale gouge ratio, in particular for low shale content and high normal stress. Oil and gas Fault sealing Clay smears Discrete element modeling Direct shear experiments Wassing, B. B. T. aut Orlic, B. aut Giger, S. B. aut Clennell, M. B. aut Enthalten in Rock mechanics and rock engineering Springer Vienna, 1983 46(2013), 3 vom: 22. Feb., Seite 465-478 (DE-627)129620696 (DE-600)246075-0 (DE-576)015126897 0723-2632 nnns volume:46 year:2013 number:3 day:22 month:02 pages:465-478 https://doi.org/10.1007/s00603-013-0383-x lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-UMW SSG-OLC-ARC SSG-OLC-TEC SSG-OLC-GEO SSG-OPC-GGO SSG-OPC-GEO GBV_ILN_30 GBV_ILN_40 GBV_ILN_70 GBV_ILN_2004 GBV_ILN_2014 GBV_ILN_2027 GBV_ILN_4046 GBV_ILN_4700 AR 46 2013 3 22 02 465-478 |
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Constraints on the Sealing Capacity of Faults with Clay Smears from Discrete Element Models Validated by Laboratory Experiments |
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Abstract Prediction of hydrocarbon column heights in structural traps critically depends on proper analysis of the sealing capacity of faults. Entrainment of clay in fault zones in upper crustal levels may lead to the development of continuous clay smears that dramatically increase the sealing capacity of faults. In this study, direct shear experiments on large-scale samples of layered sandstone–claystone–sandstone are simulated using two-dimensional discrete element numerical models to study the development of clay smears for different claystone types and normal stress conditions. Analysis of clay smear structures in terms of drag, slicing, wear and flow of clay reveals that drag is dominant at low shear displacements and high local stress concentrations, slicing and wear become important at higher shear displacement and low stresses at source bed near the fault zone. Correlation between critical fault displacements in the experiments and local stress ratios (shear stress divided by normal stress) in the models is used to determine smear failure and leakage for all claystones and normal stresses. A smear breach diagram with sealing/leaking conditions for faults containing clay smears shows that clay smears may be sealing at larger displacements than predicted by other fault seal algorithms, such as shale gouge ratio, in particular for low shale content and high normal stress. © Springer-Verlag Wien 2013 |
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Abstract Prediction of hydrocarbon column heights in structural traps critically depends on proper analysis of the sealing capacity of faults. Entrainment of clay in fault zones in upper crustal levels may lead to the development of continuous clay smears that dramatically increase the sealing capacity of faults. In this study, direct shear experiments on large-scale samples of layered sandstone–claystone–sandstone are simulated using two-dimensional discrete element numerical models to study the development of clay smears for different claystone types and normal stress conditions. Analysis of clay smear structures in terms of drag, slicing, wear and flow of clay reveals that drag is dominant at low shear displacements and high local stress concentrations, slicing and wear become important at higher shear displacement and low stresses at source bed near the fault zone. Correlation between critical fault displacements in the experiments and local stress ratios (shear stress divided by normal stress) in the models is used to determine smear failure and leakage for all claystones and normal stresses. A smear breach diagram with sealing/leaking conditions for faults containing clay smears shows that clay smears may be sealing at larger displacements than predicted by other fault seal algorithms, such as shale gouge ratio, in particular for low shale content and high normal stress. © Springer-Verlag Wien 2013 |
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Abstract Prediction of hydrocarbon column heights in structural traps critically depends on proper analysis of the sealing capacity of faults. Entrainment of clay in fault zones in upper crustal levels may lead to the development of continuous clay smears that dramatically increase the sealing capacity of faults. In this study, direct shear experiments on large-scale samples of layered sandstone–claystone–sandstone are simulated using two-dimensional discrete element numerical models to study the development of clay smears for different claystone types and normal stress conditions. Analysis of clay smear structures in terms of drag, slicing, wear and flow of clay reveals that drag is dominant at low shear displacements and high local stress concentrations, slicing and wear become important at higher shear displacement and low stresses at source bed near the fault zone. Correlation between critical fault displacements in the experiments and local stress ratios (shear stress divided by normal stress) in the models is used to determine smear failure and leakage for all claystones and normal stresses. A smear breach diagram with sealing/leaking conditions for faults containing clay smears shows that clay smears may be sealing at larger displacements than predicted by other fault seal algorithms, such as shale gouge ratio, in particular for low shale content and high normal stress. © Springer-Verlag Wien 2013 |
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