| Western USA Assessment of High Value Materials in Geothermal Fluids and Produced Fluids |
Stuart SIMMONS, Stefan KIRBY |
Minerals Extraction and Processing |
critical elements, geothermal, hydrocarbons, produced water geochemistry, mineral recovery, Basin and Range |
World Geothermal Congress |
2020 |
English |
| Mantle Helium in Cold Ground Water in the North Milford Valley and the Implications for Geothermal Resources at Roosevelt Hot Springs and the Utah FORGE EGS Field Site |
Stuart SIMMONS, Stefan KIRBY |
Field Studies |
helium isotopes, Roosevelt Hot Springs, Utah FORGE, magmatic heat, ground water chemistry |
Stanford Geothermal Workshop |
2023 |
English |
| Production Chemistry Evidence for an EGS Type Reservoir in Roosevelt Hot Springs and Implications for Utah FORGE |
Stuart SIMMONS, Rick ALLIS, Stefan KIRBY, Joseph MOORE |
Enhanced Geothermal Systems |
Roosevelt Hot Springs, Utah FORGE, EGS, production chemistry |
Stanford Geothermal Workshop |
2020 |
English |
| Conceptual Models of Geothermal Resources in the Eastern Great Basin |
Stuart SIMMONS, Rick ALLIS, Joe MOORE, Mark GWYNN, Christian HARDWICK, Stefan KIRBY |
Field Studies |
Reservoir Geology, Conceptual Models, Geothermal Resources, Great Basin |
Stanford Geothermal Workshop |
2017 |
English |
| Sustaining Hot Spring Activity in the Vicinity of Geothermal Developments |
Stuart SIMMONS, Mark ROCKHOLD, Rebecca KREUZER |
Production Engineering |
hot springs, surface features, induced changes, geothermal production, geohydrology |
Stanford Geothermal Workshop |
2025 |
English |
| Preliminary Assessment of Fluid Mineral Equilibria in Thermal Waters from Sedimentary Formations: Implications for Geothermal Resources |
Stuart SIMMONS, Joseph MOORE |
Geochemistry |
reservoir geochemistry, fluid-mineral equilibria, geothermometry, sedimentary aquifers |
Stanford Geothermal Workshop |
2014 |
English |
| The Evolution of Well 58-32 at Utah FORGE in Response to Fluid Flow Along a Stimulated Fracture Corridor |
Stuart SIMMONS, Clay JONES, Tobias FISCHER, Peter MEIER, Joe MOORE |
Enhanced Geothermal Systems |
geochemistry, stimulation, 58-32, Utah FORGE, enhanced geothermal systems, reservoir monitoring |
Stanford Geothermal Workshop |
2026 |
English |
| The Influence of Carbon Dioxide on Reservoir Fluids at Utah FORGE |
Stuart SIMMONS, Clay JONES, Tobias FISCHER, Joe MOORE |
Enhanced Geothermal Systems |
geochemistry, stable isotopes, helium isotopes, Utah FORGE, enhanced geothermal systems, reservoir monitoring |
Stanford Geothermal Workshop |
2026 |
English |
| The Interplay of Impermeable Crystalline Basement Rocks, Tectonic Fracturing and Magmatic Intrusion in the Development of Geothermal Resources at Utah FORGE and Roosevelt Hot Springs |
Stuart SIMMONS, Clay JONES, Stefan KIRBY, Phil WANNAMAKER, Kris PANKOW, Joe MOORE |
FORGE |
Utah FORGE, Roosevelt Hot Springs, heat transfer, helium isotopes, magnetotelluric resistivity, geology |
Stanford Geothermal Workshop |
2024 |
English |
| The Geochemistry of Flowback and Produced Waters at Utah FORGE and Their Implications for EGS Production |
Stuart SIMMONS, Clay JONES, Pete ROSE, Joseph MOORE |
Enhanced Geothermal Systems |
geochemistry, Utah FORGE, EGS production, water-rock interaction, reservoir monitoring |
Stanford Geothermal Workshop |
2025 |
English |
| The Midas Geothermal System, North Central Nevada |
Stuart SIMMONS |
Field Studies |
Blind geothermal resource, exploration, Great Basin, fluid geochemistry |
Stanford Geothermal Workshop |
2016 |
English |
| Controls on Geothermal Activity in the Sevier Thermal Belt, Southwestern Utah |
Stuart F. SIMMONS, Stefan KIRBY, Rick ALLIS, Phil WANNAMAKER Joseph MOORE |
Field Studies |
Sevier Thermal Belt, heat flow, helium isotopes, stable isotopes, Basin and Range, chemical geothermometry |
Stanford Geothermal Workshop |
2019 |
English |
| Update on the Production Chemistry of the Roosevelt Hot Springs Reservoir |
Stuart F. SIMMONS, Stefan KIRBY, Rick ALLIS, Joseph MOORE, Tobias FISCHER |
Geochemistry |
reservoir fluid geochemistry, production changes, injection effects, Roosevelt Hot Springs |
Stanford Geothermal Workshop |
2018 |
English |
| Strategic and Critical Elements in Produced Geothermal Fluids in Nevada and Utah |
Stuart F. SIMMONS, Stefan KIRBY, Philip VERPLANCK, and Karen KELLEY |
Geochemistry |
Critical elements, geothermal geochemistry, Nevada, Utah, produced fluids |
Stanford Geothermal Workshop |
2018 |
English |
| Insights to High Temperature Geothermal Systems (New Zealand) from Trace Metal Aqueous Chemistry |
Stuart F. SIMMONS, Kevin L. BROWN |
Geochemistry |
trace metals, hydrothermal chemistry, high temperature geothermal systems, New Zealand |
World Geothermal Congress |
2015 |
English |
| An Updated Geologic Model for FORGE Utah EGS Laboratory |
Stuart F. SIMMONS, Joseph MOORE, Rick ALLIS, Christian HARDWICK, Stefan KIRBY, Clay JONES, Mark GWYNN, Emily KLEBER, John MILLER, John MCLENNAN, John BARTLEY |
Enhanced Geothermal Systems |
FORGE Utah, EGS, geology, Roosevelt Hot Springs |
Stanford Geothermal Workshop |
2018 |
English |
| Fluid Mineral Equilibria in Geothermal Reservoirs from the Great Basin: Implications for Chemical Geothermometry |
Stuart F. SIMMONS |
Geochemistry |
fluid-mineral equilibria, chemical geothermometers, Great Basin |
Stanford Geothermal Workshop |
2013 |
English |
| Numerical Model of the Changes in Geothermal Activity in the Rotomahana-Waimangu System Due to the 1886 Eruption of Mt Tarawera |
Stuart F Simmons, Mike OSullivan |
6. Case Histories |
geothermal hydrology, volcanic eruptions, numerical modeling |
World Geothermal Congress |
2010 |
English |
| Grain-scale Failure in Thermal Spallation Drilling |
Stuart D. WALSH, Ilya LOMOV, Jeffery J. ROBERTS |
General |
thermal spallation drilling, numerical modeling |
Stanford Geothermal Workshop |
2012 |
English |
| Model for a Deep Conduit to the Beowawe Geothermal System, Eureka and Lander Counties, Nevada |
Struhsacker, E. M.; Smith, Christian |
Faults; Exploration; Hydrothermal alteration; Geophysical su |
Exploration; USA; Nevada; Beowawe; Geological Surveys; Mapping; Geochemical Surveys; Hydrothermal Alteration; Geophysical Surveys; Dipole |
Geothermal Resources Council Transactions |
1980 |
English |