Displaying records 1 through 99 of 141 records found.
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Title

Authors

Session

Keywords

Conference

Year

Language

Smart Nanosensors for In-Situ Temperature Measurement in Fractured Geothermal Reservoirs

Mohammed Alaskar, Morgan Ames, Chong Liu, Steve Connor, Roland Horne, Kewen Li, Yi Cui

Tracers

Nanoparticles, Nanofluid, Nanosensor, Nanotracer, EGS, Fracture

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

Gravel Pack Maintenance and Stimulation by Air Lifting

Per-Gunnar Alm

Field Studies

Injection wells, pressure, logging, airlifting, gravel pack

Stanford Geothermal Workshop

2011

English

Geochemical Modeling of Wells Discharging Excess Enthalpy by Mechanism of Phase Segregation in Mahanagdong, Leyte, Philippines

Erlindo C. Angcoy Jr. and Stefan Arnorsson

Geochemistry

Geochemical Modeling, Excess Enthalpy, Phase Segregation, Mahanagdong

Stanford Geothermal Workshop

2011

English

Characterization of Rock Pore Features in Geothermal Systems Using Small Angle Neutron Scattering (SANS)

Lawrence M. Anovitz, Gernot Rother, David R. Cole

HDR/EGS

SANS, USANS pore geometry, fractal

Stanford Geothermal Workshop

2011

English

Modeling Geochemical Processes in Enhanced Geothermal Systems with CO2 as Heat Transfer Fluid

John Apps and Karsten Pruess

HDR/EGS

Enhanced Geothermal Systems, CO2, Geochemical Processes, Modeling

Stanford Geothermal Workshop

2011

English

Reflection Imaging of EGS Reservoirs Using Microseimicity as a Source

H. Asanuma, K. Tamakawa, N. Soma H. Niitsuma, R. Baria, M. Haring

Geophysics

Passive seismic reflection, EGS, microseismicity

Stanford Geothermal Workshop

2011

English

Removal of Water for Carbon Dioxide-Based EGS Operation

Aleks D. Atrens, Hal Gurgenci, and Victor Rudolph

HDR/EGS

carbon dioxide; CO2; thermosiphon; EGS; hot dry rock; HDR; engineered geothermal systems

Stanford Geothermal Workshop

2011

English

Fluid Geochemistry at the Raft River Geothermal Field, Idaho: New Data and Hydrogeological Implications

Bridget Ayling, Philip Molling, Randy Nye and Joseph Moore

Geochemistry

Raft River, fluid geochemistry

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

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

Silica Extraction and Cleaning from the Solution of Geothermal Heat-Carrier

Belova T.P.

Emerging Technology

Complex use, geothermal heat-carriers, chemical components, mineral extraction.

Stanford Geothermal Workshop

2011

English

Crustal Stress Heterogeneity in the Vicinity of Coso Geothermal Field, CA

Kelly Blake and Nicholas Davatzes

Geophysics

Borehole Induced Structures, Spectral Analysis

Stanford Geothermal Workshop

2011

English

Designing Thermal-Physical, Power and Economic Parameters of Development of Near-Surface Geothermal Deposits

E.I. Boguslavsky, A.I. Mikheyev

Direct Use

designing, near-surface systems, geothermal heat supply

Stanford Geothermal Workshop

2011

English

Detailed Thermal Profiling and Inversion for Thermal Conductivities and Heat Fluxes in the Perth Metropolitan Hot Sedimentary Aquifer Play of Western Australia

Chris Botman, Franklin G. Horowitz, Paul Wilkes, and the WAGCoE Team

Field Studies

Hot Sedimentary Aquifers; Thermal Profiling; Heat Flux and Thermal Conductivity Inversion

Stanford Geothermal Workshop

2011

English

Numerical Simulation of Reservoir Stimulation - A Variational Approach

Blaise Bourdin, Corrado Maurini, and Matthew Knepley

HDR/EGS

reservoir engineering, fracture mechanics, numerical simulation

Stanford Geothermal Workshop

2011

English

Preliminary Investigation of an Aseismic Doughnut Hole Region in the Northwest Geysers, California

Katie Boyle, Stephen Jarpe, Lawrence Hutchings, John Peterson, Ernest Majer

HDR/EGS

aseismic region Northwest Geysers

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

Overview of the Wairakei-Tauhara Subsidence Investigation Program

K. Brockbank, C. Bromley and T. Glynn-Morris

Reservoir Engineering

Tauhara, Wairakei, subsidence

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

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

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

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

The Role of a Stress Model in Stimulation Planning at the Newberry Volcano EGS Demonstration Project

Trenton T. Cladouhos, Susan Petty, Owen Callahan, Will Osborn, Stephen Hickman and Nicholas Davatzes

HDR/EGS

stress, EGS, Newberry, Oregon, caldera

Stanford Geothermal Workshop

2011

English

Discrete Element Modeling of Rock Deformation, Fracture Network Development and Permeability Evolution Under Hydraulic Stimulation

Shouchun Deng, Robert Podgorney and Hai Huang

HDR/EGS

stimulation, modeling, DEM, fracture, fracture networks

Stanford Geothermal Workshop

2011

English

3-D Visualization of a Fractured Geothermal Field: the Example of the EGS Soultz Site (Northern Upper Rhine Graben, France)

C. Dezayes, L. Beccaletto, G. Oliviero, P. Baillieux, L. Capar, E. Schill

HDR/EGS

EGS Soultz, 3-D Visualization

Stanford Geothermal Workshop

2011

English

Effect of Uncertainty of Geomechanical Properties, Fracture Orientations and In-Situ Stress Conditions on Fault Activation

Souheil M. Ezzedine, Joseph P. Morris, Lee G. Glascoe, Laura Chiaramonte, Tarabay H. Antoun, Walter W. McNab

Modeling

fracture orientation, fault activation

Stanford Geothermal Workshop

2011

English

Uncertainty Quantification of THMC Processes in Fractured Media for Systems Modeling

Souheil M. Ezzedine, Ilya N. Lomov, Lee G. Glascoe, Tarabay H. Antoun

Tracers

.

Stanford Geothermal Workshop

2011

English

Effect of Natural Convection Patterns on Optimal Location and Size of a Heat Sink in a Geothermal Reservoir

Y. Feng, M. Tyagi and C.D. White

Modeling

Geothermal energy extraction, Natural convection, Downhole Heat Exchanger

Stanford Geothermal Workshop

2011

English

Probabilistic Analysis of Failure Risk in the Primary Geothermal Cycle

C. Fichter, G. Falcone, K. M. Reinicke, C. Teodoriu

HDR/EGS

Deep Geothermal Systems, Monte Carlo Simulation, Probabilistic Evaluation, Decision Tree

Stanford Geothermal Workshop

2011

English

The Thermal Spectrum of Low-Temperature Energy Use in the United States

Don Fox, Daniel Sutter, and Jefferson Tester

Direct Use

thermal energy use, U.S. energy demand

Stanford Geothermal Workshop

2011

English

Fully Coupled Geomechanics and Discrete Flow Network Modeling of Hydraulic Fracturing for Geothermal Applications

P. Fu, S. M. Johnson, Y. Hao and C. R. Carrigan

Modeling

modeling, hydro-fracturing, heat transfer, enhanced geothermal

Stanford Geothermal Workshop

2011

English

Kizildere Short Term Flow Test: Impact of New Deep Wells

A. Güney, Füsun S. Tut Haklidir, T. Akin, A. Alpagut-Bukulmez

Reservoir Engineering

Kizildere, flow test, reservoir

Stanford Geothermal Workshop

2011

English

A Reexamination of USGS Volumetric Heat in Place Method

Sabodh K. Garg and Jim Combs

Reservoir Engineering

Heat in Place Method, Monte Carlo, Electrical Capacity Estimates

Stanford Geothermal Workshop

2011

English

A Note About Heat Exchange Areas as a Target Parameter for SWIW Tracer Tests

Iulia Ghergut, Horst Behrens, Friedrich Maier, Shyamal Karmakar, Martin Sauter

Tracers

tracer test, thermal breakthough, petrothermal, waterfrac, volcanics

Stanford Geothermal Workshop

2011

English

Great Expectations for Geothermal Energy to 2100

Goldstein, B.A., Hiriart, G., Tester, J.,. B., Bertani, R., Bromley, Gutierrez-Negrin, L.,C.J Huenges, E., H, Ragnarsson, A., Mongillo, M.A. Muraoka, and V. I. Zui

Introduction

Engineered Geothermal Systems, direct use, resource estimates, capacity factor, recovery factors

Stanford Geothermal Workshop

2011

English

Converting Geothermal Plays to Projects in Australia

Goldstein, B., Bendall, B., Long, A. and Budd, A.

HDR/EGS

HDR, EGS, HSA, Australia

Stanford Geothermal Workshop

2011

English

Effect of Water Injection on Reservoir Temperature during Power Generation in Oil Fields

Bin Gong, Hongbin Liang, Shouliang Xin, and Kewen Li

Low Temperature

power generation, low temperature, oilfield

Stanford Geothermal Workshop

2011

English

Reservoir Assessment of the Olfus-Bakki Low-Temperature Geothermal System, SW Iceland

Javier Gonzalez-Garcia, Gudni Axelsson, Gunnar Gunnarsson, and Einar Gunnlaugsson

Low Temperature

Olfus, Bakki, Iceland, low-temperature, reservoir assessment, lumped parameter modeling

Stanford Geothermal Workshop

2011

English

Thermophysical Properties of Pore-Confined Supercritical CO2 by Vibrating Tube Densimetry

Miroslaw S. Gruszkiewicz, David J. Wesolowski, and David R. Cole

Geochemistry

adsorption, supercritical carbon dioxide

Stanford Geothermal Workshop

2011

English

Mastering Reinjection in the Hellisheidi Field, SW-Iceland: A Story of Successes and Failures

Gunnar Gunnarsson

Injection

reinjection, fractured reservoir, earthquakes, thermo-mechanical coupling.

Stanford Geothermal Workshop

2011

English

Injection of H2S from Hellisheiði Power Plant, Iceland

Ingvi Gunnarsson, Bergur Sigfússon, Andri Stefánsson, Stefán Arnórsson, Samuel Warren Scott and Einar Gunnlaugsson

Injection

H2S injection

Stanford Geothermal Workshop

2011

English

Tracing Reinjected Water by Seismic Monitoring

Cemil Gurbuz, Umran Serpen, Tahir Ongur, Niyazi Aksoy and Cagri Dincer

Injection

Seismic monitoring, reinjection

Stanford Geothermal Workshop

2011

English

Distribution of Arsenic in Geothermal Waters, Sabalan Geothermal Fields

Haeri, A., Strelbitskaya, S., Ashayeri, A., Porkhial S.

Geochemistry

aresenic, geothermal fluid, Sabalan field, geochemistry

Stanford Geothermal Workshop

2011

English

Directional Wells at the Pailas Geothermal Field, Supporting Geological and Structural Data for the Geothermal Model

Hakanson, Edward Charles; Mora Protti, Oscar; Galvez Orellana, Maria; Rojas Barrantes, Martin

Geology

Pailas Geothermal Field, Directional Drilling, Binary Plant, Costa Rica

Stanford Geothermal Workshop

2011

English

Increasing Borehole Logging Efficiency at the Pailas Geothermal Field - A Recently Designed Electronic Well Log Data Sheet Using Microsoft Excel

Hakanson, Edward Charles

Geology

Pailas Geothermal Field, Borehole logging, Costa Rica

Stanford Geothermal Workshop

2011

English

Statistical Analysis of Direct Subsoil Temperature Data Obtained at and Around the Las Pailas Geothermal Project and in Rincón De La Vieja National Park, Guanacaste, Costa Rica

Hakanson, Edward Charles

Field Studies

Direct soil temperature measurements, Pailas Geothermal Project, Rinc?n de la Vieja National Park, Guanacaste, Costa Rica

Stanford Geothermal Workshop

2011

English

A Conceptual Model for Geothermal Energy Investigation with Emphasis on the Caribbean

Indra Haraksingh and Randy KoonKoon

Geophysics

conceptual model, Caribbean

Stanford Geothermal Workshop

2011

English

Induced Stress in a Geothermal Doublet System

A. Hassanzadegan, G. Blöcher, G. Zimmermann, H. Milsch and I. Moeck

Reservoir Engineering

Geomechanics, Thermoelasticity, Poroelasticity, Deformation

Stanford Geothermal Workshop

2011

English

Mineral Precipitation in Geothermal Reservoir: the Study Case of Calcite in the Soultz-sous-Forêts Enhanced Geothermal System

Ronan L. Hébert, Béatrice Ledésert, Albert Genter, Danièle Bartier, Chrystel Dezayes

Geochemistry

Soultz-sous-For?ts Enhanced Geothermal System, fracture zones, flow pathways, manocalcimetry, calcite content, granitic reservoir

Stanford Geothermal Workshop

2011

English

Simulation of Two-Phase Flow in Geothermal Pipes using Smoothed Particle Hydrodynamics

Heimir Hjartarson, Magnus Þ. Jonsson and Halldor Palsson

Production Engineering

Smoothed Particle Hydrodynamics, CFD, two-phase flow

Stanford Geothermal Workshop

2011

English

Seismic and Magneto-Telluric Imaging for Geothermal Exploration at Jemez Pueblo in New Mexico

Lianjie Huang and Michael Albrecht

Geophysics

Seismic imaging, fault zone, geothermal.

Stanford Geothermal Workshop

2011

English

Conception for Deployment of Small Scale Binary Power Plants in Remote Geothermal Areas of Indonesia

Huenges E., K. Erbas, M. Jaya, and S. Frick

Emerging Technology

Indonesia, small scale power plant, deployment

Stanford Geothermal Workshop

2011

English

Effects of Subsurface Topography and Hydrogeology on Gunung Talang Hot Water Systems, Sumatra, Indonesia: an Analysis Based on Gravity Data

Alanda Idral

Field Studies

Cupak, Batu Bajanjang, Gravity, Gunung Talang, Sumatra, Indonesia,

Stanford Geothermal Workshop

2011

English

Development of the Optimum Numerical Reservoir Model of the Takigami Geothermal Field, Oita, Japan

Saeid Jalilinasrabady, Ryuichi Itoi, Hiroki Gotoh, Toshiaki Tanaka

Reservoir Engineering

Takigami, Tough2, permeability, itough, geothermal reservoir

Stanford Geothermal Workshop

2011

English

Geology and Hydrothermal Alteration of the Raft River Geothermal System, Idaho

Clay Jones, Joseph Moore, William Teplow, Seth Craig

HDR/EGS

Raft River, hydrothermal alteration

Stanford Geothermal Workshop

2011

English

Mapping Deep Structure in Geothermal Areas using Local and Regional Microearthquake Data

Bruce R. Julian and Gillian R. Foulger

Geophysics

microearthquake; moment tensor; Enhanced Geothermal Systems; Coso Geothermal Field

Stanford Geothermal Workshop

2011

English

Analyzing Tracer Tests during Variable Flow Rate Injection and Production

Egill Juliusson and Roland N. Horne

Tracers

Tracer test models, deconvolution

Stanford Geothermal Workshop

2011

English

Load History and Buckling of the Production Casing in a High Temperature Geothermal Well

Gunnar Skúlason Kaldal, Magnús Þ. Jónsson, Halldór Pálsson, Sigrún N. Karlsdóttir, Ingólfur Ö. Þorbjörnsson

Modeling

Casing, buckling, finite-element method

Stanford Geothermal Workshop

2011

English

Modeling of Flow and Transport in Enhanced Geothermal Systems

Dimitrios Karvounis, Patrick Jenny

Modeling

discrete fractures network, hierarchical fracture model, geothermal energy, compressible flow in porous media

Stanford Geothermal Workshop

2011

English

Micro-Seismicity, Fault Structure, and Hydrologic Compartmentalization Within the Coso Geothermal Field, California

J. Ole Kaven, Stephen H. Hickman, Nicholas C. Davatzes

Geophysics

Subsurface structure, microseismicity, reservoir compartmentalization

Stanford Geothermal Workshop

2011

English

Reinjection into Liquid-Dominated Two-Phase Geothermal Systems

Eylem Kaya, Michael J. O’Sullivan and Kerin Brockbank

Injection

Reinjection, Wairakei-Tauhara, modeling

Stanford Geothermal Workshop

2011

English

A Methodology for Geothermal Pipeline Route Selection Based on Genetic Algorithms and Distance Transforms

Sigurjón Kjærnested, Magnús Þór Jónsson, Halldor Palsson

Production Engineering

Geothermal pipeline, route selection, genetic algorithms, distance transforms

Stanford Geothermal Workshop

2011

English

A New Look at Well-to-Well Correlations using Nonparametric, Nonlinear Regression

E. Didem Korkmaz Basel, Egill Juliusson and Roland N. Horne

Tracers

nonparametric regression, alternating conditional expectation, cross validation.

Stanford Geothermal Workshop

2011

English

Stochastic Permeability Estimation for the Soultz-sous-Forêts EGS Reservoir

Christian Kosack, Christian Vogt, Gabriele Marquart, Christoph Clauser, Volker Rath

HDR/EGS

Permeability, Staochastic simulation Monte Carlo, Ensemble Kalman Filter, shemat_suite, EGS, Soultz

Stanford Geothermal Workshop

2011

English

Recovery of the Thermal Equilibrium in Deep and Super Deep Wells: Utilization of Measurements While Drilling Data

Izzy Kutasov and Lev Eppelbaum

Geophysics

mud temperature, shut-in temperature, MWD

Stanford Geothermal Workshop

2011

English

Hydraulic and Thermal Impact Modelling at the Scale of Geothermal Heating Doublets in the Paris Basin, France

Morgane Le Brun, Virginie Hamm, Simon Lopez, Pierre Ungemach, Miklos Antics, Jean Yves Ausseur, Elisabeth Cordier, Elodie Giuglaris, Patrick Goblet, Pierre Lalos

Modeling

doublet, thermal breakthrough time, reservoir structure, resource longevity, modeling

Stanford Geothermal Workshop

2011

English

Three-Dimensional Thermo-Poro-mechanical Modeling of Reservoir Stimulation and Induced Microseismicity in Geothermal Reservoir

Sang H. Lee and Ahmad Ghassemi

HDR/EGS

Thermo-poroelasticity, Poroelasticity, Damage Mechanics, Wellbore Stimulation, Finite Element Method, Wellbore Geomechanics, Geothermal Reservoir Simulation, Coupled Reservoir Simulation

Stanford Geothermal Workshop

2011

English

Acidising Case Study -- Kawerau Injection Wells

Yoong Wei Lim, Malcolm Grant, Kevin Brown, Christine Siega and Farrell Siega

Injection

Acidising, Silica, Kawerau, Injection, Scale Removal, Reservoir Engineering, Geochemistry, Well Intervention

Stanford Geothermal Workshop

2011

English

Australian Geothermal Research Activity

Alexandra Long, Anthony Budd, Hal Gurgenci, Martin Hand, Cameron Huddlestone-Holmes, Peter Leary, Peter Malin, Behdad Moghtaderi, Klaus Regenauer-Lieb, Mike Sandiford, Rachel Webster

Introduction

Australia

Stanford Geothermal Workshop

2011

English

Advanced Electromagnetic MWD Telemetry and PDM Systems Improve Drilling Performance in a California Geothermal Well

Dennis Lovett, Rafael Hern

Field Studies

Drilling, air, MWD, electromagnetic, PDM, loss circulation

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

Laboratory Experimental Study of Heat Extraction From Porous Media by Means of CO2

Mario Magliocco, Timothy J. Kneafsey, Karsten Pruess, and Steven Glaser

HDR/EGS

Enhanced geothermal systems, Heat transfer, Supercritical carbon dioxide, Laboratory experiments

Stanford Geothermal Workshop

2011

English

Characterization of Fractures in Geothermal Reservoirs using Resistivity

Lilja Magnusdottir and Roland N. Horne

Modeling

Electrical resistivity tomography, fracture network, reservoir simulation

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

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

Investigation of Injection-Induced Seismicity Using a Coupled Fluid Flow and Rate/state Friction Model

Mark McClure and Roland Horne

HDR/EGS

Modeling, EGS, Rate/State, Induced Seismicity

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

Fractures Interpreted from Acoustic Formation Imaging Technology: Correlation to Permeability

K. McLean and D. McNamara

Reservoir Engineering

acoustic, fractures, permeability, wairakei, borehole televiewer, AFIT

Stanford Geothermal Workshop

2011

English

Geochemical Modeling of Water-Rock-Proppant Interactions

Kristie McLin, Daniel Brinton, and Joseph Moore

HDR/EGS

EGS, proppant, geochemical modeling

Stanford Geothermal Workshop

2011

English

A Study of Numerical Simulations of Mixed-Mode Fracture Propagation in Rock

Kyoung Suk Min, K. Huang and Ahmad Ghassemi

Modeling

Three-dimensional crack propagation, Fracture Mechanics, Element Partition Method, Damage evolution, Heterogeneity

Stanford Geothermal Workshop

2011

English

Behavior of the Geothermal Reservoir at the Miravalles Geothermal Field During 1994-2010

Paul Moya, Federico Nietzen, Sergio Castro and Waldo Taylor

Reservoir Engineering

Production, injection, Miravalles geothermal field

Stanford Geothermal Workshop

2011

English

Reservoir Modeling of the Northern Vapor-Dominated Two-Phase Zone of the Wayang Windu Geothermal Field, Java, Indonesia

Mulyadi, Ali Ashat

Modeling

steam cap, numerical simulation, tough-2

Stanford Geothermal Workshop

2011

English

DOE Real-Time Seismic Monitoring at Enhanced Geothermal System Sites

Jay Nathwani, Ernest Majer, Katie Boyle, Don Rock, John Peterson, Stephen Jarpe

Field Studies

Induced seismicity

Stanford Geothermal Workshop

2011

English

Induced Microseismic Activity During Recent Circulation Tests at the EGS Site of Soultz-sous-Forêts (France)

Cuenot Nicolas, Frogneux Michel, Dorbath Catherine, Calo' Marco

HDR/EGS

Induced seismicity, Circulation tests, EGS, Soultz-sous-For?ts

Stanford Geothermal Workshop

2011

English

Reservoir Response to 28 Years of Production at Olkaria I - Kenya

Cornel Ofwona

Field Studies

Olkaria, Kenya, reservoir, response

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

An Approach to Modeling Coupled Thermal-Hydraulic-Chemical Processes in Geothermal Systems

Jennifer Palguta, Colin F. Williams, Steven E. Ingebritsen, Stephen H. Hickman, and Eric Sonnenthal

Modeling

reactive transport models; geochemical alteration

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

Studies and Implementation of Injector Well Conversion During Salak Field Operation

Riza G. Pasikki, Jafar Maarif, Aristo Joeristanto, Frederick Libert, Nigel Kay

Reservoir Engineering

Well Conversion, Salak Field, Injection Realignment

Stanford Geothermal Workshop

2011

English

Fluid Diversion in an Open-Hole Slotted Liner

Susan Petty, Laura Nofziger, Daniel Bour, Yini Nordin

HDR/EGS

EGS, Reservoir, Diverter, Degradable, Injection, Temporary, Slotted Liner

Stanford Geothermal Workshop

2011

English

The Significance of CO2 Solubility in Geothermal Reservoirs

Sarah Pistone, Robert Stacey, Roland Horne

HDR/EGS

CO2-EGS, active phase change, carbon dioxide, hysteresis, relative permeability, dynamic dissolution

Stanford Geothermal Workshop

2011

English

Characterisation of the Structural Control on Fluid Flow Paths in Fractured Granites

Joachim Place, Edouard le Garzic, Yves Géraud, Marc Diraison, Judith Sausse

Field Studies

Fractured reservoir, Enhanced Geothermal System (EGS), granite basement, sedimentary cover, analogue outcrop, vein, supergene alteration, decollement, Rhine Graben, Catalan Coastal Ranges. Vertical Seismic Profiling (VSP), seismic reflection, subsurface g

Stanford Geothermal Workshop

2011

English

Effect of CO2 Injection in Stimulation of Geopressured Geothermal Reservoir

Tatyana Plaksina, Christopher White, Jeffrey Nunn, Taylor Gray

Reservoir Engineering

geopressured, CO2, carbon dioxide, saline aquifer, convection, low-enthalpy resource, wellbore cooling, gravity segregation, sequestration, TOUGH2, density-driven flow, land subsidence, unconventional

Stanford Geothermal Workshop

2011

English

A Reactive Tracer Analysis Method for Monitoring Thermal Drawdown in Geothermal Reservoirs

Mitchell A. Plummer, Carl D. Palmer, Earl D. Mattson, Laurence C. Hull

Tracers

reactive tracers, thermal drawdown

Stanford Geothermal Workshop

2011

English

A Simple Tool for Designing and Assessing Thermal Groundwater Utilization

Joachim Poppei, Rainer Schwarz

Low Temperature

simulation tool, thermal groundwater utilization

Stanford Geothermal Workshop

2011

English

Silica Powders Production from Hydrothermal Solutions

Potapov V.V., Gorbach V.A., Tatarinov S.A., Portnyaguin V.N., Kashutina I.A.

Emerging Technology

hydrothermal solution, silica sol, membrane concentration, cryochemical vacuum-sublimation drying, silica nanopowders

Stanford Geothermal Workshop

2011

English

Improve Reserves Estimation Using Interporosity Skin in Naturally Fractured Reservoirs

Héctor Pulido, Guadalupe Galicia-Munoz, Alex R. Valdes, Felipe Díaz-Garcia

Reservoir Engineering

Interporosity skin, reserves

Stanford Geothermal Workshop

2011

English

Analysis of Complex Reservoir Geometries and Completion Using Dynamical Characterization

Héctor Pulido, Guadalupe Galicia-Munoz, Alex R. Valdes, Felipe Díaz-Garcia

Reservoir Engineering

Dynamical Characterization

Stanford Geothermal Workshop

2011

English

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