Application of three-dimensional fault stress models for assessment of fault stability for CO2 storage sites

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Application of three-dimensional fault stress models for assessment of fault stability for CO2 storage sites. / Gamboa, Davide; Williams, John D. O.; Bentham, Michelle; Schofield, David I.; Mitchell, Andy.

In: International Journal of Greenhouse Gas Control, Vol. 90, 102820, 06.09.2019.

Research output: Contribution to journalArticlepeer-review

Harvard

Gamboa, D, Williams, JDO, Bentham, M, Schofield, DI & Mitchell, A 2019, 'Application of three-dimensional fault stress models for assessment of fault stability for CO2 storage sites', International Journal of Greenhouse Gas Control, vol. 90, 102820. https://doi.org/10.1016/j.ijggc.2019.102820

APA

Gamboa, D., Williams, J. D. O., Bentham, M., Schofield, D. I., & Mitchell, A. (2019). Application of three-dimensional fault stress models for assessment of fault stability for CO2 storage sites. International Journal of Greenhouse Gas Control, 90, [102820]. https://doi.org/10.1016/j.ijggc.2019.102820

Vancouver

Gamboa D, Williams JDO, Bentham M, Schofield DI, Mitchell A. Application of three-dimensional fault stress models for assessment of fault stability for CO2 storage sites. International Journal of Greenhouse Gas Control. 2019 Sep 6;90. 102820. https://doi.org/10.1016/j.ijggc.2019.102820

Author

Gamboa, Davide ; Williams, John D. O. ; Bentham, Michelle ; Schofield, David I. ; Mitchell, Andy. / Application of three-dimensional fault stress models for assessment of fault stability for CO2 storage sites. In: International Journal of Greenhouse Gas Control. 2019 ; Vol. 90.

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@article{72ec9a90dd9543fe80f082db74fcc83b,
title = "Application of three-dimensional fault stress models for assessment of fault stability for CO2 storage sites",
abstract = "Carbon Capture and Storage (CCS) is a key technology for a low-carbon energy future and will have an importantrole on the economic future of the UK Continental Shelf (UKCS). The East Irish Sea Basin (EISB) is a prospectivearea for CCS in the western UKCS. 3D seismic from the EISB were used in this study to characterise the faultnetwork and potential fault reactivation risks associated with CO2injection. Two main structural domains arepresent: a Northern domain with NW-SE faults, and a Southern domain with faults following a N-S orientation.The main storage sites consist of structural closures in Triassic strata of the Sherwood Sandstone Formation(SSF), overlain by alternations of mudstones and evaporites of the Triassic Mercia Mudstone Group (MMG). Theclosures occur predominantly at fault-bounded horsts, with adjacent grabensfilled by thick sequences of theTriassic Mercia Mudstone Group (MMG). The fault framework was used to test, in 3D, the stress model publishedfor the EISB and assess the fault reactivation risk associated with CO2storage. Slip tendency values were pre-dominantly below 0.6, suggesting the presence of stable structures in the EISB. Under the tested conditions,faults are capable of withstanding pressure increases between 3 MPa and 10 MPa before the onset of slip. Thelimited fault reactivation risk suggests CCS operations are suitable prospects for the EISB. This work demon-strates the additional value gained from integration of accurately constrained fault geometries in 3D stressmodels.",
keywords = "carbon capture and sequestration, CCS, fault stress, stress model, East Irish Sea, UKCS",
author = "Davide Gamboa and Williams, {John D. O.} and Michelle Bentham and Schofield, {David I.} and Andy Mitchell",
year = "2019",
month = sep,
day = "6",
doi = "10.1016/j.ijggc.2019.102820",
language = "English",
volume = "90",
journal = "International Journal of Greenhouse Gas Control",
issn = "1750-5836",
publisher = "Elsevier",

}

RIS (suitable for import to EndNote) - Download

TY - JOUR

T1 - Application of three-dimensional fault stress models for assessment of fault stability for CO2 storage sites

AU - Gamboa, Davide

AU - Williams, John D. O.

AU - Bentham, Michelle

AU - Schofield, David I.

AU - Mitchell, Andy

PY - 2019/9/6

Y1 - 2019/9/6

N2 - Carbon Capture and Storage (CCS) is a key technology for a low-carbon energy future and will have an importantrole on the economic future of the UK Continental Shelf (UKCS). The East Irish Sea Basin (EISB) is a prospectivearea for CCS in the western UKCS. 3D seismic from the EISB were used in this study to characterise the faultnetwork and potential fault reactivation risks associated with CO2injection. Two main structural domains arepresent: a Northern domain with NW-SE faults, and a Southern domain with faults following a N-S orientation.The main storage sites consist of structural closures in Triassic strata of the Sherwood Sandstone Formation(SSF), overlain by alternations of mudstones and evaporites of the Triassic Mercia Mudstone Group (MMG). Theclosures occur predominantly at fault-bounded horsts, with adjacent grabensfilled by thick sequences of theTriassic Mercia Mudstone Group (MMG). The fault framework was used to test, in 3D, the stress model publishedfor the EISB and assess the fault reactivation risk associated with CO2storage. Slip tendency values were pre-dominantly below 0.6, suggesting the presence of stable structures in the EISB. Under the tested conditions,faults are capable of withstanding pressure increases between 3 MPa and 10 MPa before the onset of slip. Thelimited fault reactivation risk suggests CCS operations are suitable prospects for the EISB. This work demon-strates the additional value gained from integration of accurately constrained fault geometries in 3D stressmodels.

AB - Carbon Capture and Storage (CCS) is a key technology for a low-carbon energy future and will have an importantrole on the economic future of the UK Continental Shelf (UKCS). The East Irish Sea Basin (EISB) is a prospectivearea for CCS in the western UKCS. 3D seismic from the EISB were used in this study to characterise the faultnetwork and potential fault reactivation risks associated with CO2injection. Two main structural domains arepresent: a Northern domain with NW-SE faults, and a Southern domain with faults following a N-S orientation.The main storage sites consist of structural closures in Triassic strata of the Sherwood Sandstone Formation(SSF), overlain by alternations of mudstones and evaporites of the Triassic Mercia Mudstone Group (MMG). Theclosures occur predominantly at fault-bounded horsts, with adjacent grabensfilled by thick sequences of theTriassic Mercia Mudstone Group (MMG). The fault framework was used to test, in 3D, the stress model publishedfor the EISB and assess the fault reactivation risk associated with CO2storage. Slip tendency values were pre-dominantly below 0.6, suggesting the presence of stable structures in the EISB. Under the tested conditions,faults are capable of withstanding pressure increases between 3 MPa and 10 MPa before the onset of slip. Thelimited fault reactivation risk suggests CCS operations are suitable prospects for the EISB. This work demon-strates the additional value gained from integration of accurately constrained fault geometries in 3D stressmodels.

KW - carbon capture and sequestration

KW - CCS

KW - fault stress

KW - stress model

KW - East Irish Sea

KW - UKCS

U2 - 10.1016/j.ijggc.2019.102820

DO - 10.1016/j.ijggc.2019.102820

M3 - Article

VL - 90

JO - International Journal of Greenhouse Gas Control

JF - International Journal of Greenhouse Gas Control

SN - 1750-5836

M1 - 102820

ER -

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