| Improvements on the Thermal Response Test Evaluation Applying the Cylinder Source Theory |
Ingo Sass and Clemens Lehr |
Low Temperature |
Line Source, cylinder source, response test, borehole heat exchanger, unstaedy state, superposition principle |
Stanford Geothermal Workshop |
2011 |
English |
| Are Geothermal Energy Returns On Investment High Enough? |
A.J. Mansure |
Introduction |
EROI, efficiency, input energy, energy investment, energy payback, net energy |
Stanford Geothermal Workshop |
2011 |
English |
| Development of Direct-Use Projects |
John W. Lund |
Direct Use |
Direct-use, equipment, rules of thumb |
Stanford Geothermal Workshop |
2011 |
English |
| Geothermal Fluid Flow Monitoring by the Repeat Gravity Measurement at the Takigami Geothermal Field, Japan - Application of Hybrid Gravity Measurement by an Absolute Gravimeter (A10) and Relative Gravimeters (CG-3M and CG-5) |
Daisuke Oka, Yasuhiro Fujimitsu, Jun Nishijima, Yoichi Fukuda and Makoto Taniguchi |
Reservoir Engineering |
Reservoir Monitoring, Repeat Gravity Measurement, Absolute Gravimeter |
Stanford Geothermal Workshop |
2011 |
English |
| Assessing the Geochemical Impact of Injection of Cooled Triassic Brines into the Dogger Aquifer (Paris Basin, France): A 2D Reactive Transport Modeling Study |
C. Castillo, C. Kervévan, N. Jacquemet, V. Hamm, V. Bouchot, B. Sanjuan |
Geochemistry |
Reactive transport modeling, injectivity, Paris Basin (France) |
Stanford Geothermal Workshop |
2011 |
English |
| Investigation and Determination of the Geothermal Parameters of the Ground in Cyprus for the Exploitation of Geothermal Energy and the Impact of the Results in the Design of the Geothermal Systems |
G. Partasides, A. Lizides, S. Kassinis , G. Florides, D. P. Pouloupatis, S. Kalogirou, V. Messaritis, I. Panayides, Z. Zomeni, E. Sophocleous and K. Koutsoumpas |
Introduction |
Geothermal, ground temperatures, heat pump efficiency, ground heat exchangers, Cyprus geothermal characteristics, Cyprus support schemes |
Stanford Geothermal Workshop |
2011 |
English |
| Subsystem Design and Validation for Optical Sensors for Monitoring Enhanced Geothermal Systems |
William Challener, Aaron Knobloch, Mahesh Ajgoankar, Pramod Chamarthy, Hua Xia, Roger Jones, Russell Craddock, Li Zhao, Peter Kinnell, Trevor W. MacDougall, Paul Sanders |
Emerging Technology |
geothermal, optical fiber, pressure sensor,MEMS |
Stanford Geothermal Workshop |
2011 |
English |
| Geochemical Parameters as Precursors to Predict the Decline of Temperature in the Dogger Aquifer (Paris Basin, France) |
C. Castillo, M. Azaroual, I. Ignatiadis, O. Goyénèche |
Geochemistry |
Geothermal heat resources decline, Paris Basin (France) |
Stanford Geothermal Workshop |
2011 |
English |
| A Three-Dimensional Stochastic Fracture Network Model for Geothermal Reservoir Stimulation |
Xiaonan Wang, Ahmad Ghassemi |
HDR/EGS |
Stimulation, stochastic fracture network, flow simulation, stress-dependent permeability |
Stanford Geothermal Workshop |
2011 |
English |
| Steaming Ground Heat-Flux Assessment: Reducing Uncertainties |
C.J. Bromley, S.M. van Manen, Warren Mannington |
Geophysics |
heat-flux, Wairakei-Tauhara, steaming-ground |
Stanford Geothermal Workshop |
2011 |
English |
| Numerical Modeling of Artificial Hydro-Fractures in Hot Dry Rock Reservoirs by Using Displacement Discontinuty Method |
Mahmoud Behnia, Kamran Goshtasbi, Aliakbar Golshani, Mohammad Fatehi Marji |
Modeling |
Hydraulic fracturing, interaction, Displacement Discontinuity |
Stanford Geothermal Workshop |
2011 |
English |
| 3D Structural Regional Model of the EGS Soultz Site (Northern Upper Rhine Graben, France): Insights and Perspectives |
P. Baillieux, E. Schill, C. Dezayes |
HDR/EGS |
EGS, Soultz, fault, fracture, 3D structural model, graben system |
Stanford Geothermal Workshop |
2011 |
English |
| Comparison of Three Tracer Tests at the Raft River Geothermal Site |
Earl Mattson, Mitchell Plummer, Carl Palmer, Larry Hull, Samantha Miller, and Randy Nye |
Field Studies |
tracers, field studies, fracture rock |
Stanford Geothermal Workshop |
2011 |
English |
| Systems for Electrical Power from Coproduced and Low Temperature Geothermal Resources |
Timothy Reinhardt, Lyle A. Johnson and Neil Popovich |
Field Studies |
coproduction, low temperature, field test |
Stanford Geothermal Workshop |
2011 |
English |
| Geothermal Resource Risk in Indonesia - a Statistical Inquiry |
Subir K. Sanyal, James W. Morrow, Migara S. Jayawardena, Noureddine Berrah, Shawna Fei Li, and Suryadarma |
Introduction |
Indonesia, resource risk, learning curve effect, resource base, drilling cost, well productivity, internal rate of return, unit capital cost, profit-to-investment ratio |
Stanford Geothermal Workshop |
2011 |
English |
| Fifty Years of Power Generation at The Geysers Geothermal Field, California - The Lessons Learned |
Subir K. Sanyal and Steven Enedy |
Introduction |
Geysers, socio-economic forces, steam field, injection augmentation, reservoir management |
Stanford Geothermal Workshop |
2011 |
English |
| 3D Geological Modelling Using New Leapfrog Geothermal Software |
S. Alcaraz, R. Lane, K. Spragg, S. Milicich, F. Sepulveda and G. Bignall |
Modeling |
3D, Geology, Visualisation, Modelling, Permeability |
Stanford Geothermal Workshop |
2011 |
English |
| Geothermal Resources in the Pacific Islands: Potential for Power Generation to Benefit Indigenous Communities |
Alex McCoy-West, Sarah Milicich, Tony Robinson, Greg Bignall, Colin Harvey |
Field Studies |
Pacific Islands, Indigeneous Communities, Geothermal, Power Generation, EDIN |
Stanford Geothermal Workshop |
2011 |
English |
| A Model for Thermophysical Properties of CO2-Brine Mixtures at Elevated Temperatures and Pressures |
Nicolas Spycher and Karsten Pruess |
HDR/EGS |
EGS, CO2, thermophysical properties, numerical simulation |
Stanford Geothermal Workshop |
2011 |
English |
| The Chemical Stability of Bauxite and Quartz Sand Proppants Under Geothermal Conditions |
Daniel Brinton, Kristie McLin, Joseph Moore |
HDR/EGS |
HDR, EGS, Proppants |
Stanford Geothermal Workshop |
2011 |
English |