Displaying records 1 through 65 of 65 records found.
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Title

Authors

Session

Keywords

Conference

Year

Language

In-Situ Multifunction Nanosensors for Fractured Reservoir Characterization

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

Tracers

Nanotracer, Nanoparticles, Core-flooding, Fracture, Temperature

Stanford Geothermal Workshop

2010

English

A High Level Geothermal System Scoping Model: A First Step Toward Enhanced Geothermal Systems Engineering

Mark Antkowiak, Neil K. Snyder, Thomas S. Lowry

HDR/EGS

systems engineering, integrated, EGS

Stanford Geothermal Workshop

2010

English

Updated U.S. Geothermal Supply Curve

Chad Augustine, Katherine R. Young and Arlene Anderson

Introduction

Resource Assessment, Hydrothermal, EGS, Supply Curve, LCOE

Stanford Geothermal Workshop

2010

English

Cross-Hole Periodic Hydraulic Testing of Inter-Well Connectivity

Matthew Becker, Eric Guiltinan

HDR/EGS

injectivity, tracer, EGS, hydraulic tests

Stanford Geothermal Workshop

2010

English

Tracer Properties, and Tracer Test Results - Part III

H. Behrens, I. Ghergut, M. Sauter

Tracers

kinetic exchange

Stanford Geothermal Workshop

2010

English

Non-Portland Cement-Based Systems for Geothermal Well Use

Lance Brothers, Benjamin Iverson and Daniel Bour

Emerging Technology

Cement wellbore quartz calcium hydroxide

Stanford Geothermal Workshop

2010

English

Well Intervention Case Study of Well MG-1, Leyte Geothermal Production Field, Philippines

R. N. Colina, J. B. Omagbon, G. E. Parayno, R. P. Andrino, D. M. Yglopaz, R. C. M. Malate, F. X. M. Sta. Ana and J. J. C. Austria

Reservoir Engineering

Leyte Philippines, wellbore simulation, side-view camera, downhole video camera

Stanford Geothermal Workshop

2010

English

Imaging of the Soultz Enhanced Geothermal Reservoir Using Microseismic Data

Diego Concha, Michael Fehler, Haijiang Zhang, and Ping Wang

HDR/EGS

Microseismic, Induced Seismicity, Imaging, Fractures

Stanford Geothermal Workshop

2010

English

Chemical Signatures of and Precursers to Fractures Using Fluid Inclusion Stratigraphy

Lorie M. Dilley and Michelle M. Wilber

Geochemistry

fluid inclusion stratigraphy, enhanced geothermal systems, fractures

Stanford Geothermal Workshop

2010

English

Super Hard, Super Thick Diamond Cutters for Hard Rock Drilling - Development and Test Results

Christopher J. Durrand, Marcus R. Skeem, Ron B. Crockett and David R. Hall

Emerging Technology

diamond cutters, drilling

Stanford Geothermal Workshop

2010

English

Three Dimensional Numerical Modeling of Mindanao Geothermal Production Field, Philippines

E.B. Emoricha, J.B. Omagbon and R.C.M. Malate

Modeling

Mindanao, Philippines, numerical modeling

Stanford Geothermal Workshop

2010

English

Impact of Geological Characterization Uncertainties on Subsurface Flow Using Stochastic Discrete Fracture Network Models

Souheil M Ezzedine

Modeling

Uncertainty Quantififcation, Stochastic, Discrete Fractures, Flow, Transport, Simulation, Monte Carlo

Stanford Geothermal Workshop

2010

English

Structural Assessment and 3D Geological Modeling of the Brady's Geothermal Area, Churchill County (Nevada, USA)

James Faulds, Inga Moeck, Peter Drakos and Ezra Zemach

HDR/EGS

Brady's, Nevada, EGS, structural analysis, 3D modeling

Stanford Geothermal Workshop

2010

English

Appropriate Use of USGS Volumetric “Heat in Place” Method and Monte Carlo Calculations

Sabodh K. Garg and Jim Combs

Reservoir Engineering

Heat in Place Method, Monte Carlo, Electrical Capacity Estimates

Stanford Geothermal Workshop

2010

English

Simulation of Fluid Flow in Naturally Fractured Poro-thermoelastic Reservoir

Qingfeng Tao and Ahmad Ghassemi

Reservoir Engineering

Poro-Thermoelasticity; Fracture Aperture; Fracture Permeability, Displacement Discontinuity Method

Stanford Geothermal Workshop

2010

English

Tracer Properties, and Tracer Test Results (from Geothermal Reservoirs) - Part II

I. Ghergut, H. Behrens, M. Sauter

Tracers

tracer-based prediction of thermal breakthrough

Stanford Geothermal Workshop

2010

English

Reverse-Circulation Method and Durable Cements Provide Effective Well Construction: A Proven Technology

Rafael Hernández, Daniel Bour

Field Studies

Ductile, Reverse cementing, Co2 resistant

Stanford Geothermal Workshop

2010

English

In-Situ Stress and Fracture Characterization for Planning of an EGS Stimulation in the Desert Peak Geothermal Field, NV

Stephen Hickman and Nicholas Davatzes

HDR/EGS

stress, fracturing, permeability, stimulation, EGS

Stanford Geothermal Workshop

2010

English

High-Temperature Electrical Insulations for EGS Downhole Equipment

M.W. Hooker, C.S. Hazelton, K.S. Kano, M.L. Tupper, and S. Breit

Emerging Technology

electrical insulations, composite, high voltage

Stanford Geothermal Workshop

2010

English

Application of Self-Potential Measurements to Geothermal Reservoir Engineering

Tsuneo Ishido, Yuji Nishi and John W. Pritchett

Geophysics

electrokinetic coupling, diffusion potential, redox potential, hydrothermal circulation, reservoir monitoring, fractured reservoir

Stanford Geothermal Workshop

2010

English

Strength Retrogression in Cements under High Temperature Conditions

Ben Iverson, Joe Maxson, Daniel Bour

Field Studies

Cement Strength Retrogression Silica

Stanford Geothermal Workshop

2010

English

The Natural State Numerical Model of Takigami Geothermal Reservoir, Oita, Japan

Saeid Jalilinasrabady, Ryuichi Itoi, Hiroki Gotoh, Toshiaki Tanaka

Production Engineering

Takigami,geothermal power plant, energy, exergy, single flash, Japan

Stanford Geothermal Workshop

2010

English

Hydraulic Fracturing of Naturally Fractured Reservoirs

R.G. Jeffrey, X. Zhang, A.P. Bunger

HDR/EGS

Hydraulic fracturing, mine through mapping, stimulation

Stanford Geothermal Workshop

2010

English

Oil Production Waste Stream, a Source of Electrical Power

Lyle A. Johnson and Everett Walker

Field Studies

Coproduced fluids, low temperature, oil and gas

Stanford Geothermal Workshop

2010

English

Improved Methods for Mapping Permeability and Heat Sources in Geothermal Areas Using Microearthquake Data

Bruce R. Julian, Gillian R. Foulger

Geophysics

microearthquake, seismology

Stanford Geothermal Workshop

2010

English

Study and Simulation of Tracer and Thermal Transport in Fractured Reservoirs

Egill Juliusson and Roland N. Horne

Modeling

discrete fracture, reservoir modeling, tracer

Stanford Geothermal Workshop

2010

English

Development of Measurement Method of Steam-Water Two-Phase Flow System Using Single Frequency Waves

Khasani, Indarto, A. Harijoko, T. Dwikorianto, and S. Patangke

Production Engineering

measurement, flow rate, single frequency wave

Stanford Geothermal Workshop

2010

English

Turkey’s Geothermal Energy Potential: Updated Results

E. Didem Korkmaz Basel, Umran Serpen and Abdurrahman Satman

Field Studies

Turkey, identified apparent capacity, volumetric reserve estimation, resource potential, temperature distribution map.

Stanford Geothermal Workshop

2010

English

Geothermal Power Plant Concepts in the Pannonian Basin in Hungary

Attila Kujbus

Field Studies

Pannonian Basin, power plant, model

Stanford Geothermal Workshop

2010

English

Themo-Poroelastic Analysis of Injection-Induced Rock Deformation and Damage Evolution

Sang H. Lee and Ahmad Ghassemi

HDR/EGS

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

Stanford Geothermal Workshop

2010

English

Casing Inspection Caliper Campaign in the Leyte Geothermal Production Field, Philippines

D. M. Z. Lejano, R. N. Colina, D. M. Yglopaz, R. P. Andrino, R. C. M. Malate and F. X. M. Sta. Ana

Reservoir Engineering

Leyte, Philippines, casing inspection

Stanford Geothermal Workshop

2010

English

Determination of Resistivity Index, Capillary Pressure, and Relative Permeability

Kewen Li

Reservoir Engineering

relative permeability, capillary pressure

Stanford Geothermal Workshop

2010

English

The Regulator's Perspective - Best Practice Activity Approval Processes for EGS Projects (Including Induced Seismicity)

Barry Goldstein, Michael Malavazos, Alexandra Long, Betina Bendall, Tony Hill, and Elinor Alexander

HDR/EGS

regulation, EGS, induced seismicity

Stanford Geothermal Workshop

2010

English

Australian Geothermal Industry Advances

Alexandra Long, Barry Goldstein, Tony Hill, Betina Bendall, Michael Malavazos, Anthony Budd

Introduction

National status, Geothermal research

Stanford Geothermal Workshop

2010

English

Modeling of Bouillante Geothermal Field Guadeloupe, French Lesser Antilles)

S. Lopez, V. Bouchot, M. Lakhssassi, P. Calcagno, B. Grappe

Field Studies

Bouillante, reservoir modeling, Guadeloupe

Stanford Geothermal Workshop

2010

English

A System Dynamics Approach for EGS Scenario Analysis

Thomas S. Lowry, Vincent C. Tidwell, Peter H. Kobos, Mark Antkowiak, Charles E. Hickox

HDR/EGS

EGS, System Dynamics, thermal drawdown, reservoir engineering

Stanford Geothermal Workshop

2010

English

The United States of America Country Update 2010

John W. Lund, Karl Gawell, Tonya L. Boyd and Dan Jennejohn

Introduction

The Geysers, electric power, direct-use, ground-source heat pumps, energy savings

Stanford Geothermal Workshop

2010

English

Rock Mechanical Testing and Petrologic Analysis in Support of Well Stimulation Activities at the Desert Peak Geothermal Field, Nevada

Sue Juch Lutz, Steve Hickman, Nick Davatzes, Ezra Zemach, Peter Drakos, and Ann Robertson-Tait

HDR/EGS

Rock mechanics, petrology, stress-strain, triaxial compression tests, Young's moduli, Coulomb failure, shear dilation

Stanford Geothermal Workshop

2010

English

Energy Return on Energy Investment, an Important Figure-of-Merit for Assessing Energy Alternatives

A.J. Mansure and D.A. Blankenship

Introduction

Energy Return, Efficiency,

Stanford Geothermal Workshop

2010

English

Discrete Fracture Modeling of Hydraulic Stimulation in Enhanced Geothermal Systems

Mark W. McClure and Roland N. Horne

HDR/EGS

EGS, discrete fracture modeling, displacement discontinuity

Stanford Geothermal Workshop

2010

English

Hydraulic Fracturing Propagation in Heterogeneous Rock using the VMIB Method

Kyoung Suk Min, Zhennan Zhang, Ahmad Ghassemi

Modeling

Multiple cracks, VMIB, VIB, Crack propagation

Stanford Geothermal Workshop

2010

English

Thermal Decay of Selected Organic Substances as Smart Tracers in Geothermal Reservoirs

Martin Nottebohm, Tobias Licha and Martin Sauter

Tracers

thermosensitive tracer, Arrhenius parameter, ester hydrolysis

Stanford Geothermal Workshop

2010

English

Sensitivity of a Reactive-Tracer Based Estimate of Thermal Breakthrough in an EGS to Properties of the Reservoir and Tracer

Mitchell Plummer, Carl Palmer, Laurence Hull, Earl Mattson

Tracers

reactive tracer, thermal drawdown, thermal breakthrough

Stanford Geothermal Workshop

2010

English

Massively Parallel Fully Coupled Implicit Modeling of Coupled Thermal-Hydrological-Mechanical Processes for Enhanced Geothermal System Reservoirs

Robert Podgorney, Hai Huang, and Derek Gaston

Modeling

stimulation, EGS, discrete element modeling, fracturing

Stanford Geothermal Workshop

2010

English

Silica Sols Production by Membrane Concentration of Hydrothermal Solutions

Potapov V.V., Gorbach V.A., Kashpura V.N., Kashutina I.A., Sadovnikova A.O.

Emerging Technology

hydrothermal solution, orthosilicic acid, colloidal silica, silica sols, membrane filters, ultrafiltration, silica powder.

Stanford Geothermal Workshop

2010

English

Spreadsheets for Geothermal Water and Gas Geochemistry

Tom Powell and William Cumming

Geochemistry

Freeware, gas, isotope, liquid, spreadsheets, diagrams

Stanford Geothermal Workshop

2010

English

Thermal Single-Well Injection-Withdrawal Tracer Tests for Determining Fracture-Matrix Heat Transfer Area

Karsten Pruess and Christine Doughty

HDR/EGS

reservoir characterization; tracer injection and withdrawal; reactive tracers; fractures; heat transfer;

Stanford Geothermal Workshop

2010

English

Tracer Tests in the Enhanced Geothermal System (EGS) of Soultz-sous-Forêts. What Does the Stratified Medium Approach Tell Us About the Fracture Permeability in the Reservoir?

Giovanni Radilla, Judith Sausse, Bernard Sanjuan, and Mostafa Fourar

Tracers

Tracer tests, equivalent stratified medium, permeability distribution, heterogeneity

Stanford Geothermal Workshop

2010

English

Reactive Flow in a Natural Fracture in Poro-thermoelastic Rock

Chakra Rawal, Ahmad Ghassemi

HDR/EGS

Reactive Flow; Thermoelasticity; Fracture Aperture; Finite Element Method; Displacement Discontinuity

Stanford Geothermal Workshop

2010

English

Tracers for Characterizing Enhanced Geothermal Systems

George Redden, Mark Stone, Karen E. Wright, Earl Mattson, Carl D. Palmer, Harry Rollins, Mason Harrup, Laurence C. Hull

Tracers

temperature sensitive tracers, modeling, reservoir characterization

Stanford Geothermal Workshop

2010

English

The Suppression of Sonic Shocks in Geothermal Wells

John Reid and Peter Nielsen

Emerging Technology

sonic shock, wet steam, speed of sound

Stanford Geothermal Workshop

2010

English

The In Situ Formation of Calcium Carbonate as a Diversion Agent for Use in Engineered Geothermal Systems

Pete Rose, Scott Fayer, Susan Petty, and Daniel Bour

HDR/EGS

diversion agents, EGS, hydraulic stimulation, calcium carbonate

Stanford Geothermal Workshop

2010

English

Future of Geothermal Energy

Subir. K. Sanyal

Introduction

renewable energy, geothermal, Enhanced Geothermal Systems, EGS

Stanford Geothermal Workshop

2010

English

2010 Present Status of Geothermal Energy in Turkey

Umran Serpen, Niyazi Aksoy, Tahir Öngür

Introduction

Geothermal energy, Turkey, power generation, direct use, legal issues, geothermal potential

Stanford Geothermal Workshop

2010

English

Monitoring of Mass Balance Model During Production Capacity Increase at Kamojang Geothermal Field, Indonesia

Yayan Sofyan, Yunus Daud, Yustin Kamah, Hakim Saibi, Jun Nishijima, Yasuhiro Fujimitsu and Sachio Ehara

Geophysics

Repeat gravity measurement, mass balance, Kamojang Geothermal Field, Indonesia

Stanford Geothermal Workshop

2010

English

Deep Temperature Extrapolation in the Sultz-sous-Forêts Geothermal Area Using Magnetotelluric Data

V. Spichak, J. Geiermann, O. Zakharova, P. Calcagno, A. Genter, E. Schill

Geophysics

Magnetotellric sounding, 2-D resistivity model, indirect electromagnetic geothermometer, deep temperature, Soultz-sous-Forêts geothermal area

Stanford Geothermal Workshop

2010

English

Geothermal CO2 Bio-Mitigation Techniques by Utilizing Microalgae at the Blue Lagoon, Iceland

Indra Suryata, Halldor G. Svavarsson, Sigurbjörn Einarsson, Ása Brynjólfsdóttir and Grzegorz Maliga

Field Studies

microalgae, CO2 sequestration, photobioreactors, svartsengi, iceland

Stanford Geothermal Workshop

2010

English

GeoSteamNet: 2. Steam Flow Simulation in a Pipeline of Geothermal Power Plant

Mahendra P. Verma and Victor Arellano G.

Modeling

ActiveX control, SteamTablesGrid, fluid flow, pipeline, MoodyChart, Newton-Raphson Method

Stanford Geothermal Workshop

2010

English

GeoSteamNet: 1. Thermodynamic Data for Numerical Simulation of Steam Flow in a Pipeline Network of Geothermal System

Mahendra P. Verma

Modeling

ActiveX control, SteamTablesGrid, StmTblGrd, Thermodynamic properties of water, IAPWS-95 formulation, Visual Basic, Excel 2007, fluid flow, pipeline

Stanford Geothermal Workshop

2010

English

Application of Nonparametric Regression on Well Histories at Mahiao and Mahanagdong Sector of Leyte Geothermal Production Field, Philippines

J.D. Villacorte, R.C.M. Malate and R. N. Horne

Injection

nonparametric regression, injection, tracer, Philippines

Stanford Geothermal Workshop

2010

English

Influence of Geological Structures on Fluid and Heat Flow Fields

J. Florian Wellmann, Franklin G. Horowitz, Klaus Regenauer-Lieb

Modeling

Geothermal Simulation, Geological Modeling, Integrated Workflow, Sensitivity Analysis, GeoModeller, Shemat, TOUGH2

Stanford Geothermal Workshop

2010

English

Thermal Energy Recovery from Enhanced Geothermal Systems – Evaluating the Potential from Deep, High-Temperature Resources

Colin F. Williams

HDR/EGS

EGS, Recovery Factor, Injection, Permeability

Stanford Geothermal Workshop

2010

English

Numerical Simulation to Study Feasibility of Using Supercritical CO2 as a Stimulation Agent for Enhanced Geothermal Systems

Tianfu Xu and Karsten Pruess

HDR/EGS

EGS, Supercritical CO2, Mineral dissolution, Porosity enhancement, Reactive transport modeling

Stanford Geothermal Workshop

2010

English

Report on the U.S. DOE Geothermal Technologies Program's 2009 Risk Analysis

Katherine Young, Chad Augustine, Arlene Anderson

Introduction

DOE, risk, EGS, R&D, LCOE

Stanford Geothermal Workshop

2010

English

Numerical Modeling of Secondary Thermal Cracks in Hot Dry Geothermal Reservoirs

Xiaoxian Zhou and Atilla Aydin

Modeling

Hot dry rock, thermal stress, thermal fracture, cool rate

Stanford Geothermal Workshop

2010

English

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