Newberry EGS Demonstration: Stimulating the Existing Fracture Network Report
The Newberry Volcano EGS Demonstration in central Oregon, a 3 year project started in 2010, tests recent technological advances designed to reduce the cost of power generated by EGS in a hot, dry well (NWG 55-29) drilled in 2008. First, the stimulation pumps used were designed to run for weeks and deliver large volumes of water at moderate well-head pressure. Second, to stimulate multiple zones, AltaRock developed thermo-degradable zonal isolation materials (TZIMs) to seal off fractures in a geothermal well to stimulate secondary and tertiary fracture zones. The TZIMs degrade within weeks, resulting in an optimized injection/ production profile of the entire well. Third, the project followed a project-specific Induced Seismicity Mitigation Plan (ISMP) to evaluate, monitor for, and mitigate felt induced seismicity. Stimulation started October 17, 2012 and continued for 7 weeks, with over 41,000 m3 of water injected. Two TZIM treatments successfully shifted the depth of stimulation. Injectivity, DTS, and seismic analysis indicate that fracture permeability in well NWG 55-29 was enhanced by two orders of magnitude.
Citation Formats
TY - DATA
AB - The Newberry Volcano EGS Demonstration in central Oregon, a 3 year project started in 2010, tests recent technological advances designed to reduce the cost of power generated by EGS in a hot, dry well (NWG 55-29) drilled in 2008. First, the stimulation pumps used were designed to run for weeks and deliver large volumes of water at moderate well-head pressure. Second, to stimulate multiple zones, AltaRock developed thermo-degradable zonal isolation materials (TZIMs) to seal off fractures in a geothermal well to stimulate secondary and tertiary fracture zones. The TZIMs degrade within weeks, resulting in an optimized injection/ production profile of the entire well. Third, the project followed a project-specific Induced Seismicity Mitigation Plan (ISMP) to evaluate, monitor for, and mitigate felt induced seismicity. Stimulation started October 17, 2012 and continued for 7 weeks, with over 41,000 m3 of water injected. Two TZIM treatments successfully shifted the depth of stimulation. Injectivity, DTS, and seismic analysis indicate that fracture permeability in well NWG 55-29 was enhanced by two orders of magnitude.
AU - Cladouhos, Trenton T.
A2 - Petty, Susan
A3 - Nordin, Yini
A4 - Garrison, Geoff
A5 - Uddenberg, Matt
A6 - Swyer, Michael
A7 - Grasso, Kyla
DB - Open Energy Data Initiative (OEDI)
DP - Open EI | National Renewable Energy Laboratory
DO -
KW - geothermal
KW - EGS
KW - diverter material
KW - microseismic monitoring
KW - temperature monitoring
KW - groundwater monitoring
KW - NEWGEN
KW - demonstration
KW - stimulation
KW - hydraulic
LA - English
DA - 2014/03/10
PY - 2014
PB - AltaRock Energy Inc
T1 - Newberry EGS Demonstration: Stimulating the Existing Fracture Network Report
UR - https://data.openei.org/submissions/6967
ER -
Cladouhos, Trenton T., et al. Newberry EGS Demonstration: Stimulating the Existing Fracture Network Report. AltaRock Energy Inc, 10 March, 2014, GDR. https://gdr.openei.org/submissions/774.
Cladouhos, T., Petty, S., Nordin, Y., Garrison, G., Uddenberg, M., Swyer, M., & Grasso, K. (2014). Newberry EGS Demonstration: Stimulating the Existing Fracture Network Report. [Data set]. GDR. AltaRock Energy Inc. https://gdr.openei.org/submissions/774
Cladouhos, Trenton T., Susan Petty, Yini Nordin, Geoff Garrison, Matt Uddenberg, Michael Swyer, and Kyla Grasso. Newberry EGS Demonstration: Stimulating the Existing Fracture Network Report. AltaRock Energy Inc, March, 10, 2014. Distributed by GDR. https://gdr.openei.org/submissions/774
@misc{OEDI_Dataset_6967,
title = {Newberry EGS Demonstration: Stimulating the Existing Fracture Network Report},
author = {Cladouhos, Trenton T. and Petty, Susan and Nordin, Yini and Garrison, Geoff and Uddenberg, Matt and Swyer, Michael and Grasso, Kyla},
abstractNote = {The Newberry Volcano EGS Demonstration in central Oregon, a 3 year project started in 2010, tests recent technological advances designed to reduce the cost of power generated by EGS in a hot, dry well (NWG 55-29) drilled in 2008. First, the stimulation pumps used were designed to run for weeks and deliver large volumes of water at moderate well-head pressure. Second, to stimulate multiple zones, AltaRock developed thermo-degradable zonal isolation materials (TZIMs) to seal off fractures in a geothermal well to stimulate secondary and tertiary fracture zones. The TZIMs degrade within weeks, resulting in an optimized injection/ production profile of the entire well. Third, the project followed a project-specific Induced Seismicity Mitigation Plan (ISMP) to evaluate, monitor for, and mitigate felt induced seismicity. Stimulation started October 17, 2012 and continued for 7 weeks, with over 41,000 m3 of water injected. Two TZIM treatments successfully shifted the depth of stimulation. Injectivity, DTS, and seismic analysis indicate that fracture permeability in well NWG 55-29 was enhanced by two orders of magnitude.},
url = {https://gdr.openei.org/submissions/774},
year = {2014},
howpublished = {GDR, AltaRock Energy Inc, https://gdr.openei.org/submissions/774},
note = {Accessed: 2025-05-03}
}
Details
Data from Mar 10, 2014
Last updated Jul 9, 2024
Submitted Apr 18, 2016
Organization
AltaRock Energy Inc
Contact
Trenton T. Cladouhos
206.729.2400
Authors
Original Source
https://gdr.openei.org/submissions/774Research Areas
Keywords
geothermal, EGS, diverter material, microseismic monitoring, temperature monitoring, groundwater monitoring, NEWGEN, demonstration, stimulation, hydraulicDOE Project Details
Project Name Newberry EGS Demonstration
Project Lead Lauren Boyd
Project Number EE0002777