Analysis of Geologic CO2 Migration Pathways in Farnsworth Field, NW Anadarko Basin

This study reports on analyses of natural, geologic CO2 migration paths in Farnsworth Oil Field, northern Texas, where CO2 was injected into the Pennsylvanian Morrow B reservoir as part of enhanced oil recovery and carbon sequestration efforts. We interp...

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Autores principales:	Jolante van Wijk, Noah Hobbs, Peter Rose, Michael Mella, Gary Axen, Evan Gragg
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	carbon sequestration Farnsworth Field petroleum system modeling CO<sub>2</sub> migration Technology T
Acceso en línea:	https://doaj.org/article/5f7e4b7eb5394198ad6684a879de2e01
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spelling	oai:doaj.org-article:5f7e4b7eb5394198ad6684a879de2e012021-11-25T17:28:59ZAnalysis of Geologic CO<sub>2</sub> Migration Pathways in Farnsworth Field, NW Anadarko Basin10.3390/en142278181996-1073https://doaj.org/article/5f7e4b7eb5394198ad6684a879de2e012021-11-01T00:00:00Zhttps://www.mdpi.com/1996-1073/14/22/7818https://doaj.org/toc/1996-1073This study reports on analyses of natural, geologic CO<sub>2</sub> migration paths in Farnsworth Oil Field, northern Texas, where CO<sub>2</sub> was injected into the Pennsylvanian Morrow B reservoir as part of enhanced oil recovery and carbon sequestration efforts. We interpret 2D and 3D seismic reflection datasets of the study site, which is located on the western flank of the Anadarko basin, and compare our seismic interpretations with results from a tracer study. Petroleum system models are developed to understand the petroleum system and petroleum- and CO<sub>2</sub>-migration pathways. We find no evidence of seismically resolvable faults in Farnsworth Field, but interpret a karst structure, erosional structures, and incised valleys. These interpretations are compared with results of a Morrow B well-to-well tracer study that suggests that inter-well flow is up-dip or lateral. Southeastward fluid flow is inhibited by dip direction, thinning, and draping of the Morrow B reservoir over a deeper, eroded formation. Petroleum system models predict a deep basin-ward increase in temperature and maturation of the source rocks. In the northwestern Anadarko Basin, petroleum migration was generally up-dip with local exceptions; the Morrow B sandstone was likely charged by formations both below and overlying the reservoir rock. Based on this analysis, we conclude that CO<sub>2</sub> escape in Farnsworth Field via geologic pathways such as tectonic faults is unlikely. Abandoned or aged wellbores remain a risk for CO<sub>2</sub> escape from the reservoir formation and deserve further monitoring and research.Jolante van WijkNoah HobbsPeter RoseMichael MellaGary AxenEvan GraggMDPI AGarticlecarbon sequestrationFarnsworth Fieldpetroleum system modelingCO<sub>2</sub> migrationTechnologyTENEnergies, Vol 14, Iss 7818, p 7818 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	carbon sequestration Farnsworth Field petroleum system modeling CO<sub>2</sub> migration Technology T
spellingShingle	carbon sequestration Farnsworth Field petroleum system modeling CO<sub>2</sub> migration Technology T Jolante van Wijk Noah Hobbs Peter Rose Michael Mella Gary Axen Evan Gragg Analysis of Geologic CO<sub>2</sub> Migration Pathways in Farnsworth Field, NW Anadarko Basin
description	This study reports on analyses of natural, geologic CO<sub>2</sub> migration paths in Farnsworth Oil Field, northern Texas, where CO<sub>2</sub> was injected into the Pennsylvanian Morrow B reservoir as part of enhanced oil recovery and carbon sequestration efforts. We interpret 2D and 3D seismic reflection datasets of the study site, which is located on the western flank of the Anadarko basin, and compare our seismic interpretations with results from a tracer study. Petroleum system models are developed to understand the petroleum system and petroleum- and CO<sub>2</sub>-migration pathways. We find no evidence of seismically resolvable faults in Farnsworth Field, but interpret a karst structure, erosional structures, and incised valleys. These interpretations are compared with results of a Morrow B well-to-well tracer study that suggests that inter-well flow is up-dip or lateral. Southeastward fluid flow is inhibited by dip direction, thinning, and draping of the Morrow B reservoir over a deeper, eroded formation. Petroleum system models predict a deep basin-ward increase in temperature and maturation of the source rocks. In the northwestern Anadarko Basin, petroleum migration was generally up-dip with local exceptions; the Morrow B sandstone was likely charged by formations both below and overlying the reservoir rock. Based on this analysis, we conclude that CO<sub>2</sub> escape in Farnsworth Field via geologic pathways such as tectonic faults is unlikely. Abandoned or aged wellbores remain a risk for CO<sub>2</sub> escape from the reservoir formation and deserve further monitoring and research.
format	article
author	Jolante van Wijk Noah Hobbs Peter Rose Michael Mella Gary Axen Evan Gragg
author_facet	Jolante van Wijk Noah Hobbs Peter Rose Michael Mella Gary Axen Evan Gragg
author_sort	Jolante van Wijk
title	Analysis of Geologic CO<sub>2</sub> Migration Pathways in Farnsworth Field, NW Anadarko Basin
title_short	Analysis of Geologic CO<sub>2</sub> Migration Pathways in Farnsworth Field, NW Anadarko Basin
title_full	Analysis of Geologic CO<sub>2</sub> Migration Pathways in Farnsworth Field, NW Anadarko Basin
title_fullStr	Analysis of Geologic CO<sub>2</sub> Migration Pathways in Farnsworth Field, NW Anadarko Basin
title_full_unstemmed	Analysis of Geologic CO<sub>2</sub> Migration Pathways in Farnsworth Field, NW Anadarko Basin
title_sort	analysis of geologic co<sub>2</sub> migration pathways in farnsworth field, nw anadarko basin
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/5f7e4b7eb5394198ad6684a879de2e01
work_keys_str_mv	AT jolantevanwijk analysisofgeologiccosub2submigrationpathwaysinfarnsworthfieldnwanadarkobasin AT noahhobbs analysisofgeologiccosub2submigrationpathwaysinfarnsworthfieldnwanadarkobasin AT peterrose analysisofgeologiccosub2submigrationpathwaysinfarnsworthfieldnwanadarkobasin AT michaelmella analysisofgeologiccosub2submigrationpathwaysinfarnsworthfieldnwanadarkobasin AT garyaxen analysisofgeologiccosub2submigrationpathwaysinfarnsworthfieldnwanadarkobasin AT evangragg analysisofgeologiccosub2submigrationpathwaysinfarnsworthfieldnwanadarkobasin
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Analysis of Geologic CO<sub>2</sub> Migration Pathways in Farnsworth Field, NW Anadarko Basin

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