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Qualitative risk assessment of legacy wells based on publicly available data for class VI well permit applications—Illinois basin case study
https://orcid.org/0000-0002-1535-3656
https://orcid.org/0000-0002-3276-9805
https://orcid.org/0000-0001-9014-7791
Highlights Step-by-step procedure to develop the tabulation and map component of UIC class VI permit. Qualitative risk assessment methodology for all types of wells within AoR penetrating the confining zones. Highlights the need for crossflow modelling of CO2 leakage through improperly plugged wells. Generalized categorization of legacy wells based on geologic penetrations and protections.
Abstract Carbon Capture & Storage (CCS) refers to capturing the anthropogenic carbon dioxide (CO2) at a source followed by injecting and storing it safely in the subsurface. The success of the CCS projects therefore heavily relies on how efficiently the confining zones (containment seals) prevent migration of the CO2 to the surface and/or to the underground sources of drinking water (USDW) through leakage pathways. CCS projects requires drilling of Underground Injection Control (UIC) Class VI wells for permanent storage of CO2 in subsurface. Detailed information of all the wells within the Area of Review (AoR) is needed to develop the map and tabulation components of the Class VI well permit application. This paper discusses the generic process that can be used by permit applicants to develop the dataset necessary for preparing the map and tabulation components of the Class VI permit application and perform qualitative risk assessment of all the wells within the AoR. This methodology directs the corrective action plans as well as monitoring plans to some extent. Results of the application of the newly developed methodology for wells in Illinois basin is discussed in detail. This methodology can be applied to all wells including orphaned wells, abandoned wells, active oil and gas wells, stratigraphic wells, disposal wells, etc. This methodology generalized categorization of legacy wells that will help in easier comparison of different CCS projects across the globe. The qualitative risk assessment methodology discussed in this paper is a good starting point for developing crossflow modeling.
Qualitative risk assessment of legacy wells based on publicly available data for class VI well permit applications—Illinois basin case study
https://orcid.org/0000-0002-1535-3656
https://orcid.org/0000-0002-3276-9805
https://orcid.org/0000-0001-9014-7791
Highlights Step-by-step procedure to develop the tabulation and map component of UIC class VI permit. Qualitative risk assessment methodology for all types of wells within AoR penetrating the confining zones. Highlights the need for crossflow modelling of CO2 leakage through improperly plugged wells. Generalized categorization of legacy wells based on geologic penetrations and protections.
Abstract Carbon Capture & Storage (CCS) refers to capturing the anthropogenic carbon dioxide (CO2) at a source followed by injecting and storing it safely in the subsurface. The success of the CCS projects therefore heavily relies on how efficiently the confining zones (containment seals) prevent migration of the CO2 to the surface and/or to the underground sources of drinking water (USDW) through leakage pathways. CCS projects requires drilling of Underground Injection Control (UIC) Class VI wells for permanent storage of CO2 in subsurface. Detailed information of all the wells within the Area of Review (AoR) is needed to develop the map and tabulation components of the Class VI well permit application. This paper discusses the generic process that can be used by permit applicants to develop the dataset necessary for preparing the map and tabulation components of the Class VI permit application and perform qualitative risk assessment of all the wells within the AoR. This methodology directs the corrective action plans as well as monitoring plans to some extent. Results of the application of the newly developed methodology for wells in Illinois basin is discussed in detail. This methodology can be applied to all wells including orphaned wells, abandoned wells, active oil and gas wells, stratigraphic wells, disposal wells, etc. This methodology generalized categorization of legacy wells that will help in easier comparison of different CCS projects across the globe. The qualitative risk assessment methodology discussed in this paper is a good starting point for developing crossflow modeling.
Qualitative risk assessment of legacy wells based on publicly available data for class VI well permit applications—Illinois basin case study
https://orcid.org/0000-0002-1535-3656
https://orcid.org/0000-0002-3276-9805
https://orcid.org/0000-0001-9014-7791
Highlights Step-by-step procedure to develop the tabulation and map component of UIC class VI permit. Qualitative risk assessment methodology for all types of wells within AoR penetrating the confining zones. Highlights the need for crossflow modelling of CO2 leakage through improperly plugged wells. Generalized categorization of legacy wells based on geologic penetrations and protections.
Abstract Carbon Capture & Storage (CCS) refers to capturing the anthropogenic carbon dioxide (CO2) at a source followed by injecting and storing it safely in the subsurface. The success of the CCS projects therefore heavily relies on how efficiently the confining zones (containment seals) prevent migration of the CO2 to the surface and/or to the underground sources of drinking water (USDW) through leakage pathways. CCS projects requires drilling of Underground Injection Control (UIC) Class VI wells for permanent storage of CO2 in subsurface. Detailed information of all the wells within the Area of Review (AoR) is needed to develop the map and tabulation components of the Class VI well permit application. This paper discusses the generic process that can be used by permit applicants to develop the dataset necessary for preparing the map and tabulation components of the Class VI permit application and perform qualitative risk assessment of all the wells within the AoR. This methodology directs the corrective action plans as well as monitoring plans to some extent. Results of the application of the newly developed methodology for wells in Illinois basin is discussed in detail. This methodology can be applied to all wells including orphaned wells, abandoned wells, active oil and gas wells, stratigraphic wells, disposal wells, etc. This methodology generalized categorization of legacy wells that will help in easier comparison of different CCS projects across the globe. The qualitative risk assessment methodology discussed in this paper is a good starting point for developing crossflow modeling.
Qualitative risk assessment of legacy wells based on publicly available data for class VI well permit applications—Illinois basin case study
Arbad, Nachiket (author) / Watson, Marshall (author) / Heinze, Lloyd (author) / Emadi, Hossein (author)
2024-02-26
Article (Journal)
Electronic Resource
English
Carbon capture & storage (CCS) , Risk assessment (RA) , Well integrity , Carbon dioxide (CO<inf>2</inf>) , Legacy wells , UIC class VI well permitting , AoR , area of review , API , American petroleum institute , Obs , observation wells , CBL , cement bond log , CCS , carbon capture & storage , CFR , code of federal regulation , CO<inf>2</inf> , carbon dioxide , DA , dry & abandoned , EOR , enhanced oil recovery , GCS , geological carbon sequestration , GIS , geographic information system , ISGS , Illinois State geological survey , Inj , injection wells , NRAP-open-IAM , national risk assessment partnership open-source integrated assessment model , OEE , one earth energy site , PA , plugged & abandoned , Prod , producer wells , RA , risk assessment , SCP , sustained casing pressure , TOC , top of cement , UIC , underground injection control , USDW , underground sources of drinking water , US EPA , United States environmental protection agency
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