Simulations of carbon dioxide push-pull into a conjugate fault system modeled after Dixie Valley—Sensitivity analysis of significant parameters and uncertainty prediction by data-worth analysis
Abstract
Characterizing the faults and fractures that provide flow pathways for efficient geothermal energy production is critical for design of sustainable geothermal energy production. Both natural faults and stimulated fractures in enhanced geothermal systems (EGS) are difficult to image and map by seismic methods because hot brine filling the fractures and faults does not create a strong seismic property contrast relative to surrounding rock. We investigate here the technical feasibility of using supercritical CO2 (scCO2) injection into faults in a single-well push-pull scenario to characterize the hydraulic properties of the fault zone by emplacing scCO2 that can serve as a contrast fluid for seismic monitoring. We develop a conceptual and numerical reservoir model of two intersecting faults based on the Dixie Valley geothermal system in Nevada, USA.
- Authors:
-
- Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
- University of Louisiana at Lafayette, Lafayette, LA (United States)
- Schlumberger-Doll Research, Cambridge, MA (United States)
- Publication Date:
- Research Org.:
- Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
- Sponsoring Org.:
- USDOE Office of Energy Efficiency and Renewable Energy (EERE), Renewable Power Office. Geothermal Technologies Office; USDOE Office of Fossil Energy (FE); Environmental Design Research Association (EDRA); USDOE Office of Science (SC)
- OSTI Identifier:
- 1477326
- Alternate Identifier(s):
- OSTI ID: 1496280
- Grant/Contract Number:
- AC02-05CH11231
- Resource Type:
- Journal Article: Accepted Manuscript
- Journal Name:
- Geothermics
- Additional Journal Information:
- Journal Volume: 74; Journal Issue: C; Journal ID: ISSN 0375-6505
- Publisher:
- Elsevier
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 15 GEOTHERMAL ENERGY; enhanced geothermal sites (EGS); CO2 push-pull; Dixie Valley geothermal system; sensitivity analysis; data-worth analysis
Citation Formats
Lee, Kyung Jae, Oldenburg, Curtis M., Doughty, Christine, Jung, Yoojin, Borgia, Andrea, Pan, Lehua, Zhang, Rui, Daley, Thomas M., Altundas, Bilgin, and Chugunov, Nikita. Simulations of carbon dioxide push-pull into a conjugate fault system modeled after Dixie Valley—Sensitivity analysis of significant parameters and uncertainty prediction by data-worth analysis. United States: N. p., 2018.
Web. doi:10.1016/j.geothermics.2018.02.011.
Lee, Kyung Jae, Oldenburg, Curtis M., Doughty, Christine, Jung, Yoojin, Borgia, Andrea, Pan, Lehua, Zhang, Rui, Daley, Thomas M., Altundas, Bilgin, & Chugunov, Nikita. Simulations of carbon dioxide push-pull into a conjugate fault system modeled after Dixie Valley—Sensitivity analysis of significant parameters and uncertainty prediction by data-worth analysis. United States. https://doi.org/10.1016/j.geothermics.2018.02.011
Lee, Kyung Jae, Oldenburg, Curtis M., Doughty, Christine, Jung, Yoojin, Borgia, Andrea, Pan, Lehua, Zhang, Rui, Daley, Thomas M., Altundas, Bilgin, and Chugunov, Nikita. 2018.
"Simulations of carbon dioxide push-pull into a conjugate fault system modeled after Dixie Valley—Sensitivity analysis of significant parameters and uncertainty prediction by data-worth analysis". United States. https://doi.org/10.1016/j.geothermics.2018.02.011. https://www.osti.gov/servlets/purl/1477326.
@article{osti_1477326,
title = {Simulations of carbon dioxide push-pull into a conjugate fault system modeled after Dixie Valley—Sensitivity analysis of significant parameters and uncertainty prediction by data-worth analysis},
author = {Lee, Kyung Jae and Oldenburg, Curtis M. and Doughty, Christine and Jung, Yoojin and Borgia, Andrea and Pan, Lehua and Zhang, Rui and Daley, Thomas M. and Altundas, Bilgin and Chugunov, Nikita},
abstractNote = {Characterizing the faults and fractures that provide flow pathways for efficient geothermal energy production is critical for design of sustainable geothermal energy production. Both natural faults and stimulated fractures in enhanced geothermal systems (EGS) are difficult to image and map by seismic methods because hot brine filling the fractures and faults does not create a strong seismic property contrast relative to surrounding rock. We investigate here the technical feasibility of using supercritical CO2 (scCO2) injection into faults in a single-well push-pull scenario to characterize the hydraulic properties of the fault zone by emplacing scCO2 that can serve as a contrast fluid for seismic monitoring. We develop a conceptual and numerical reservoir model of two intersecting faults based on the Dixie Valley geothermal system in Nevada, USA.},
doi = {10.1016/j.geothermics.2018.02.011},
url = {https://www.osti.gov/biblio/1477326},
journal = {Geothermics},
issn = {0375-6505},
number = C,
volume = 74,
place = {United States},
year = {Mon Mar 19 00:00:00 EDT 2018},
month = {Mon Mar 19 00:00:00 EDT 2018}
}
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