Utah FORGE 2-2404: The University of Oklahoma, Application of Advanced Techniques for Determination of Reservoir-Scale Stress State at Utah FORGE - Final Report
This final report summarizes the work done on Utah FORGE project 2-2404. The project aimed to develop a methodology integrating alternative well bore and core-based methods and reservoir-scale focal mechanisms (FM) to better estimate the reservoir stress at FORGE. The project objectives were to apply anelastic strain recovery, differential strain curve analysis, fracture mechanics analysis of drilling-induced cracks and combined them with other wellbore-based sources of stress data available from FORGE (DFIT, flowback, image logs of injection intervals, injection pressure record) to better estimate the near- wellbore stress distribution. Then, the resulting stress field would be inverted together with the reservoir-scale in-situ stress data obtained from a novel interpretation of focal mechanisms to characterize the stress and pore pressure distribution within the reservoir. Integrating these multiple sources of stress data would yield a more reliable estimate of the stress state at the km-scale for use in different FORGE reservoir development activities. The developed methodology can readily be applied to future EGS projects.
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| description | This final report summarizes the work done on Utah FORGE project 2-2404. The project aimed to develop a methodology integrating alternative well bore and core-based methods and reservoir-scale focal mechanisms (FM) to better estimate the reservoir stress at FORGE. The project objectives were to apply anelastic strain recovery, differential strain curve analysis, fracture mechanics analysis of drilling-induced cracks and combined them with other wellbore-based sources of stress data available from FORGE (DFIT, flowback, image logs of injection intervals, injection pressure record) to better estimate the near- wellbore stress distribution. Then, the resulting stress field would be inverted together with the reservoir-scale in-situ stress data obtained from a novel interpretation of focal mechanisms to characterize the stress and pore pressure distribution within the reservoir. Integrating these multiple sources of stress data would yield a more reliable estimate of the stress state at the km-scale for use in different FORGE reservoir development activities. The developed methodology can readily be applied to future EGS projects. |
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"title": "Final Technical Report.pdf",
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"description": "Final report for the University of Oklahoma-led Utah FORGE sponsored research project "Application of Advanced Techniques for Determination of Reservoir-Scale Stress State at Utah FORGE".
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| identifier | https://data.openei.org/submissions/8611 |
| issued | 2025-06-30T06:00:00Z |
| keyword |
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"EGS",
"Utah FORGE",
"anelastic strain recovery",
"core-based",
"differential strain curve",
"drilling-induced cracks",
"energy",
"final report",
"focal mechanisms",
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| license | https://creativecommons.org/licenses/by/4.0/ |
| modified | 2026-01-23T15:29:06Z |
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| projectLead | Lauren Boyd |
| projectNumber | EE0007080 |
| projectTitle | Utah FORGE |
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"name": "The University of Oklahoma",
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| title | Utah FORGE 2-2404: The University of Oklahoma, Application of Advanced Techniques for Determination of Reservoir-Scale Stress State at Utah FORGE - Final Report |
