Exhausted fracked gas wells can provide a viable geothermal energy supply.
Multiple engineering and economic assessments indicate that exhausted oil and gas wells, including unconventional formations, can be successfully repurposed to supply viable geothermal energy.
All provided papers explore the technical and economic feasibility of converting depleted oil and gas wells into geothermal resources, consistently concluding that such repurposing is viable.
Damir Zadravec. Converting Depleted Oil and Gas Wells to Potential Geothermal Resources. 2025. https://doi.org/10.2118/230224-ms
Paper 0 outlines the operational engineering required to convert depleted hydrocarbon wells into functional geothermal systems.
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Rohit Duggal. Low-Temperature Geothermal Energy Extraction from Depleted Oil and Gas Fields in the Taranaki Region. https://doi.org/10.26686/wgtn.26144407
Paper 1 assesses the viability and energy extraction processes for low-temperature geothermal energy in mature oil and gas fields.
Mahmood Bataee, Rick Carter, Zakaria Hamdi, Syahrir Ridha. Feasibility Study and LCoE Analysis of Geothermal Energy Production from Depleted Oil Fields and Gas Prospects Onshore Sarawak, Malaysia. 2023. https://doi.org/10.2118/215201-ms
Paper 2 evaluates the reservoir simulation and economic feasibility of geothermal energy extraction from depleted hydrocarbon basins.
Billel Sennaoui, Khaled Enab, Carlos Mendez, Ayman Samak, Mohamed Khaled. Techno-Economic Analysis of Repurposing Depleted Oil and Gas Wells for Geothermal Energy. 2025. https://doi.org/10.2118/228185-ms
Paper 3 demonstrates through techno-economic modeling that repurposed vertical and horizontal hydrocarbon wells are viable for geothermal energy, with horizontal wells offering significant advantages.
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