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Service Description: The AFER Project has adapted the conventional hydrocarbon play-based exploration workflow, developed by the petroleum industry over several decades, to develop a similar approach for assessing unconventional hydrocarbon resource potential and CO2 geological storage prospectivity. Play-based exploration is a method of building and leveraging an understanding of a basin and its sediment-hosted resources by systematically evaluating a series of play intervals using the best available geological data and models. Each play interval represents a regionally significant reservoir/aquifer for one or more resources (e.g. hydrocarbons, groundwater, CO2 storage intervals) often with an associated seal/aquitard. Various ‘risk elements’ that are essential for a resource to exist can be mapped and qualified with a probability of geological success. These risk elements are then spatially integrated (stacked) to generate common risk segment (CRS) or ‘heat’ maps for each play interval that indicate areas of relatively high prospectivity versus relatively low prospectivity. Geological risk elements are evaluated using post-drill analysis of well control points, and geological maps generated from basin studies. Common risk segment mapping, supported by post-drill analysis, has been undertaken by the AFER Project using the GIS-Pax Player Software, and assigned a geological probability of success (POS) using a ‘split risking’ system that involves assessing: Pg play, which is the POS that the risk element is effective somewhere within the map segment.

Map Name: PedirkaAndWesternEromangaBasinsEnergyResourceAssessments

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• WestEromanga_Conventional_PeeraPeera_PlayStack (2)
• WestEromanga_Conventional_NamurMurta_PlayStack (3)
• WestEromanga_Conventional_Hutton_PlayStack (4)
• WestEromanga_Conventional_Cadnaowie_PlayStack (5)
• WestEromanga_Conventional_Birkhead_PlayStack (6)
• WestEromanga_Conventional_AdoriWestbourne_PlayStack (7)
• Pedirka_Conventional_Walkandi_PlayStack (8)
• Pedirka_Conventional_upperPurni_PlayStack (9)
• Pedirka_Conventional_lowerPurni_PlayStack (10)
• Pedirka_Conventional_CrownPoint_PlayStack (11)
• PedirkaEromanga_AllUnconventional_AllPlays_PlayStack (12)
• Pedirka_CoalSeamGas_AllPlays_PlayStack (13)
• Pedirka_CoalSeamGas_lowerPurni_PlayStack (14)
• Pedirka_CoalSeamGas_upperPurni_PlayStack (15)
• WestEromanga_ShaleResource_AllPlays_PlayStack (16)
• WestEromanga_ShaleResource_PeeraPeera_PlayStack (17)
• WestEromanga_ShaleResource_Poolowanna_PlayStack (18)
• WestEromanga_Storage_AllPlays_PlayStack (19)
• WestEromanga_Storage_AdoriWestbourne_PlayStack (20)
• WestEromanga_Storage_Birkhead_PlayStack (21)
• WestEromanga_Storage_Cadnaowie_PlayStack (22)
• WestEromanga_Storage_Hutton_PlayStack (23)
• WestEromanga_Storage_NamurMurta_PlayStack (24)
• WestEromanga_Storage_Poolowanna_PlayStack (25)

Description: The AFER Project has adapted the conventional hydrocarbon play-based exploration workflow, developed by the petroleum industry over several decades, to develop a similar approach for assessing unconventional hydrocarbon resource potential and CO2 geological storage prospectivity. Play-based exploration is a method of building and leveraging an understanding of a basin and its sediment-hosted resources by systematically evaluating a series of play intervals using the best available geological data and models. Each play interval represents a regionally significant reservoir/aquifer for one or more resources (e.g. hydrocarbons, groundwater, CO2 storage intervals) often with an associated seal/aquitard. Various ‘risk elements’ that are essential for a resource to exist can be mapped and qualified with a probability of geological success. These risk elements are then spatially integrated (stacked) to generate common risk segment (CRS) or ‘heat’ maps for each play interval that indicate areas of relatively high prospectivity versus relatively low prospectivity. Geological risk elements are evaluated using post-drill analysis of well control points, and geological maps generated from basin studies. Common risk segment mapping, supported by post-drill analysis, has been undertaken by the AFER Project using the GIS-Pax Player Software, and assigned a geological probability of success (POS) using a ‘split risking’ system that involves assessing: Pg play, which is the POS that the risk element is effective somewhere within the map segment.

Copyright Text: © Commonwealth of Australia (Geoscience Australia) 2025. This material is released under the Creative Commons Attribution 4.0 International Licence. https://creativecommons.org/licenses/by/4.0/legalcode

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Document Info:

Title: Pedirka and Western Eromanga Basins Energy Resource Assessments
Author:
Comments: The AFER Project has adapted the conventional hydrocarbon play-based exploration workflow, developed by the petroleum industry over several decades, to develop a similar approach for assessing unconventional hydrocarbon resource potential and CO2 geological storage prospectivity. Play-based exploration is a method of building and leveraging an understanding of a basin and its sediment-hosted resources by systematically evaluating a series of play intervals using the best available geological data and models. Each play interval represents a regionally significant reservoir/aquifer for one or more resources (e.g. hydrocarbons, groundwater, CO2 storage intervals) often with an associated seal/aquitard. Various ‘risk elements’ that are essential for a resource to exist can be mapped and qualified with a probability of geological success. These risk elements are then spatially integrated (stacked) to generate common risk segment (CRS) or ‘heat’ maps for each play interval that indicate areas of relatively high prospectivity versus relatively low prospectivity. Geological risk elements are evaluated using post-drill analysis of well control points, and geological maps generated from basin studies. Common risk segment mapping, supported by post-drill analysis, has been undertaken by the AFER Project using the GIS-Pax Player Software, and assigned a geological probability of success (POS) using a ‘split risking’ system that involves assessing: Pg play, which is the POS that the risk element is effective somewhere within the map segment.
Subject: Provide a web service that captures the results of the AFER Project's Energy Resource Assessments (EFTF Program) in the Pedirka and western Eromanga basins.
Category:
Keywords: Australia,web service,AFER,EFTF,Exploring for the Future,energy resource assessment module,Pedirka Basin,conventional hydrocarbons,CO2 geological storage,western Eromanga Basin
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