Displaying records 1 through 99 of 132 records found.
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Title

Authors

Session

Keywords

Conference

Year

Language

Stimulation of Geothermal Reservoirs: Impedance and Efficiency of Thermal Recovery

Murad ABUAISHA, Benjamin LORET

Reservoir Engineering

hydraulic fracturing, thermo–poroelastic framework, thermal recovery, viscosity–temperature change, life-time, impedance and efficiency

Stanford Geothermal Workshop

2015

English

Assessment of New Approaches in Geothermal Exploration Decision Making

Sertac AKAR, Katherine R. YOUNG

General

Geothermal exploration, decision making, conceptual model, value of information analysis exploration targets

Stanford Geothermal Workshop

2015

English

Effect of Underground Convective Flows on the Performance of Ground Source Heat Pump Systems

Yousef Golizadeh AKHLAGHI, Omer Inanc TUREYEN and Abdurrahman SATMAN

Modeling

ground source heat pump, convective flow

Stanford Geothermal Workshop

2015

English

Modeling of Calcite Scaling and Estimation of Gas Breakout Depth in A Geothermal Well by Using PHREEQC

Taylan AKIN, Aygün GÜNEY, Hulusi KARGI

Geochemistry

phreeqc, calcite scaling, gas breakout depth

Stanford Geothermal Workshop

2015

English

Deformation at Brady Hot Springs Geothermal Field Measured by Time Series Analysis of InSAR Data

S. Tabrez ALI, Nicholas C. DAVATZES, Kurt L. FEIGL, Herb F. WANG, William FOXALL, Robert J. MELLORS, John AKERLEY, Ezra ZEMACH, Paul SPIELMAN

Enhanced Geothermal Systems

EGS, InSAR

Stanford Geothermal Workshop

2015

English

Re-evaluation of the Pre-Development Thermal Regime of Roosevelt Hot Springs Geothermal System, Utah

Rick ALLIS, Mark GWYNN, Christian HARDWICK, Stefan KIRBY, Joseph MOORE, David CHAPMAN

General

Roosevelt Hot Springs, pre-development heat flow, groundwater temperatures, resource potential

Stanford Geothermal Workshop

2015

English

A Framework for Comparative Inverse Modeling of Tracers for Thermal Breakthrough Forecasting Using Fracture Network Models

Morgan AMES, Phil BRODRICK, Roland HORNE

Tracers

tracers, nanoparticles, thermal breakthrough, optimization, inverse problem, fracture network

Stanford Geothermal Workshop

2015

English

Use of a Horizontal Heat Exchanger to Generate 250 kWe Inside the Guayabo Caldera: Guanacaste, Costa Rica

Olman ARIAS-MOLINA, Orlando BARRIOS-RODRIGUEZ

Low Temperature

low-enthalpy, geothermal generation, ORC, fumaroles, heat exchanger.

Stanford Geothermal Workshop

2015

English

Analysis of Stuck Pipe in Menengai

Billy Oketch AWILI

Field Studies

stuck pipe, geothermal drilling, Menengai field, Kenya.

Stanford Geothermal Workshop

2015

English

A Review of Mineral Scales in Hveragerði District Heating System

Almar BARJA, Einar Jón ÁSBJORNSSON, Sverrir THORHALLSSON, Vigdís HARDARDOTTIR

Geochemistry

scaling, high-temperature, Iceland, direct use, space heating, siderite, calcite

Stanford Geothermal Workshop

2015

English

Multimodal Geothermal Development in the Tularosa Basin, NM

Benjamin BARKER, Gregory NASH, Joseph MOORE, Carlon BENNETT

Field Studies

Tularosa, low temperature, cascaded use, military

Stanford Geothermal Workshop

2015

English

Confirmation of Hydraulic, Tracer, and Heat Transfer Characterization of a Fractured Bedrock Using Ground Penetrating Radar

Matthew BECKER, Georgios TSOFLIAS, Adam HAWKINS, Matthew BAKER

Field Studies

tracers, ground penetrating radar, geophysics, hydraulic tests

Stanford Geothermal Workshop

2015

English

Hybrid Low-Grade Geothermal-Biomass Systems for Direct-Use and Co-Generation: from Campus Demonstration to Nationwide Energy Player

Koenraad F. BECKERS, Maciej Z. LUKAWSKI, Gloria A. AGUIRRE, Sean D. HILLSON, and Jefferson W. TESTER

Enhanced Geothermal Systems

low-grade enhanced geothermal systems, biomass, direct-use, co-generation

Stanford Geothermal Workshop

2015

English

A Regression Analysis on the Geothermal Monitoring Data and Resources Evaluation

Cheng BIAN

Modeling

statistical analysis, regression modeling

Stanford Geothermal Workshop

2015

English

Recent Thermal and Hydraulic Stimulation Results at Raft River, ID EGS Site

Jacob BRADFORD, Joseph MOORE, Mary OHREN, John MCLENNAN, William L. OSBORN, Ernie MAJER, Greg NASH, Robert PODGORNEY, Barry FREIFELD, Randy NYE, William RICKARD, Douglas WATERS, Douglas GLASPEY

Enhanced Geothermal Systems

enhanced geothermal system, Raft River, thermal fracturing, hydraulic fracturing

Stanford Geothermal Workshop

2015

English

Validation of a Numerical Reservoir Model of Sedimentary Geothermal Systems Using Analytical Models

JaeKyoung CHO, Chad AUGUSTINE, Luis E. ZERPA

Reservoir Engineering

sedimentary geothermal, numerical modeling, validation, well doublet, reservoir modeling

Stanford Geothermal Workshop

2015

English

Characterization of Fluid Flow System Between Injection and Production Wells by Tritium Tracer Test Analysis

Lingkan Finna CHRISTI, Ryuichi ITOI, Toshiaki TANAKA, Jatmiko Prio ATMOJO

Tracers

tritium tracer test, fluid flow system, multi-path flow model

Stanford Geothermal Workshop

2015

English

Results from Newberry Volcano EGS Demonstration

Trenton T CLADOUHOS, Susan PETTY, Matthew E. UDDENBERG, Michael SWYER

Enhanced Geothermal Systems

EGS, Newberry, TZIM, induced seismicity

Stanford Geothermal Workshop

2015

English

Geothermal Energy - Making It Renewable and Sustainable

George Moshe DAYAN, Maureen Nechesa AMBUNYA

General

Renewable,Sustainable

Stanford Geothermal Workshop

2015

English

Numerical Modeling of Flow Induced Shear Failure in Fractured Reservoirs

Rajdeep DEB, Patrick JENNY

Modeling

shear failure, fracture, relaxation, aperture

Stanford Geothermal Workshop

2015

English

Induced Earthquake Sequences in Geothermal Settings: Data Trends and Modeling Approaches

David DEMPSEY, Jenny SUCKALE

Modeling

induced earthquake sequence, injection, quasidynamic modeling

Stanford Geothermal Workshop

2015

English

He Isotopic Evidence for Undiscovered Geothermal Systems in the Snake River Plain

Patrick F. DOBSON, B. Mack KENNEDY, Mark CONRAD, Travis MCLING, Earl MATTSON, Thomas WOOD, Cody CANNON, Ross SPACKMAN, Matthijs VAN SOEST, Michelle ROBERTSON

Geochemistry

He isotopes, Snake River Plain, geochemistry

Stanford Geothermal Workshop

2015

English

Ancillary Service Revenue Potential for Geothermal Generators in California

Thomas EDMUNDS, Pedro SOTORRIO

General

economics, ancillary services, frequency regulation, load following, economic dispatch

Stanford Geothermal Workshop

2015

English

The Potential for On- and Off-shore High-enthalpy Geothermal Systems in the USA

Wilfred A. ELDERS

General

supercritical fluids, enhanced geothermal systems, high-enthalpy geothermal systems, collaborative projects.

Stanford Geothermal Workshop

2015

English

Optimizing Geothermal Drilling: Oil and Gas Technology Transfer

Alfred EUSTES, Charles VISSER, Mitch TILLEY, Walt BAKER, Dan BOLTON, Jason BELL, Uneshddarann NAGANDRAN, Ralph QUICK

General

Drilling

Stanford Geothermal Workshop

2015

English

Overview of Geochemical Modeling for Geothermal Energy: Model Description and Uncertainty Quantification

Souheil EZZEDINE

Geochemistry

geochemistry, geothermal, flow and transport, modeling, uncertainty quantification

Stanford Geothermal Workshop

2015

English

Laser-Enhanced Drilling and Laser-Assisted Fracturing for Subsurface EGS Applications

Souheil EZZEDINE, Sasha RUBENCHIK, Robert YAMAMOTO

Modeling

Drilling, laser, geothermal, hard rock, EGS, laser-enhanced-drilling, laser-assisted-fracturing

Stanford Geothermal Workshop

2015

English

Regional Assesment Using Graphical Techniques of Indonesian Non-Volcanic Geothermal System in Central Sulawesi, Indonesia: Based on Fluid Geochemistry

Ali FAHRURROZIE, Yosi AMELIA, Andri Eko Ari WIBOWO

Geochemistry

Na-K-Mg, Na-K, Mg-Ca, K-Mg, Quartz, geothermometer, geochemistry, non-volcanic, Central Sulawesi

Stanford Geothermal Workshop

2015

English

Estimating In-situ Permeability of Stimulated EGS Reservoirs Using MEQ Moment Magnitude: an Analysis of Newberry MEQ Data

Yi FANG, Derek ELSWORTH, Trenton CLADOUHOS

Enhanced Geothermal Systems

microearthquake, moment magnitude, in-situ permeability

Stanford Geothermal Workshop

2015

English

Analysis of Fracture Network Response to Fluid Injection

Moien FARMAHINI-FARAHANI, Ahmad GHASSEMI

Modeling

Displacement discontinuity method, Fast multipole method, Stochastic large scale fracture network, slip weakening

Stanford Geothermal Workshop

2015

English

Characteristics of Geothermal Reservoirs and Structural Geology for the Yangbajing Geothermal Field: A Case Study for Formation of Geothermal Resources in South the Nyaiqentanglha of Tibetan Plateau

Jianyun FENG, Zhiliang HE, Ying ZHANG, Zongquan HU, Pengwei LI

Geology

Yangbajing, Nyainqentanglha, Tibetan plateau, geothermal reservoirs, structure, geothermal channel

Stanford Geothermal Workshop

2015

English

Integrated Geochemical Investigations of Surprise Valley Thermal Springs and Cold Well Waters

Andrew FOWLER, Carolyn CANTWELL, Nicolas SPYCHER, Drew SILER, Patrick DOBSON, Mack KENNEDY, Robert ZIERENBERG

Geochemistry

Surprise Valley, fluid mixing, GeoT, parameter estimation, geothermometry, modeling, multicomponent

Stanford Geothermal Workshop

2015

English

Shallow EGS Resource Potential Maps of the Cascades

Zachary FRONE, Maria RICHARDS, David BLACKWELL, Chad AUGUSTINE

Enhanced Geothermal Systems

Cascade Range, thermal model, temperature logs, thermal conductivity, heat flow, EGS, economics, Newberry Caldera, isothermal profile, mineralogy

Stanford Geothermal Workshop

2015

English

Fault Reactivation Due to Thermal Drawdown in Enhanced Geothermal Reservoirs

Quan GAN, Derek ELSWORTH

Enhanced Geothermal Systems

fault reactivation, thermal stress, thermal front, dimensionless model

Stanford Geothermal Workshop

2015

English

Anisotropic Elastic-Waveform Modeling for Fracture Characterization in EGS Reservoirs

Kai GAO and Lianjie HUANG

Geophysics

anisotropy, elastic, fracture characterization, optimized finite-difference method, staggered-grid, rotated coordinates

Stanford Geothermal Workshop

2015

English

Superheating Low-Temperature Geothermal Resources to Boost Electricity Production

Nagasree GARAPATI, Jimmy B. RANDOLPH, Martin O. SAAR

Emerging Technology

Low-temperature geothermal, Superheating, Carbon dioxide, Hybrid system, CPG

Stanford Geothermal Workshop

2015

English

The Radiator-EGS System: A Fresh Solution to Geothermal Heat Extraction

Peter GEISER, Bruce MARSH, Markus HILPERT

Enhanced Geothermal Systems

EGS, thermal diffusivity, hydro-thermal

Stanford Geothermal Workshop

2015

English

Enhanced Geothermal Reservoirs with Two Fluid Cavities and Unequal Solid and Fluid Temperatures

Rachel GELET, Benjamin LORET, Nasser KHALILI

Enhanced Geothermal Systems

local thermal non equilibrium, thermo-hydro-mechanical couplings; thermal stress; double porosity

Stanford Geothermal Workshop

2015

English

Influence of Fracture Shearing on Fluid Flow and Thermal Behavior of an EGS Reservoir - Geothermal Code Comparison Study

Ahmad GHASSEMI, Sharad KELKAR, and Mark MCCLURE

Modeling

code comparison, EGS, fluid flow, fracture shearing

Stanford Geothermal Workshop

2015

English

Numerical Modeling of the Edremit Geothermal Field, Balıkesir-Turkey

Emre GUNAY, Nurkan KARAHANOGLU

Modeling

numerical modeling, geothermal systems, Edremit geothermal field

Stanford Geothermal Workshop

2015

English

Thermal Drawdown-induced Flow Channeling in A Single Heterogeneous Fracture in Geothermal Reservoir

Bin GUO, Pengcheng FU, Yue HAO, Charles R. CARRIGAN

Enhanced Geothermal Systems

EGS, flow channeling, thermal drawdown, aperture heterogeneity, THM model

Stanford Geothermal Workshop

2015

English

Case Study: Reservoir Quality in Sedimentary Geothermal Settings in Australia

Martin HAND, Pavel BEDRIKOVETSKI, Cameron HUDDLESTONE-HOLMES, Alex BADALYAN, Zhenjiang YOU, David BRAUTIGAN, Antoine DILLINGER, Themis CARAGEORGOS, Hani Farouq ABUL KHAIR, Betina BENDALL, Chris MATTHEWS

Geology

Australia, Otway Basin, Cooper-Eromanga Basin, petrology, reservoir, diagenesis, seismic attributes, formation damage, fines migration, numerical modelling

Stanford Geothermal Workshop

2015

English

Predicting Thermal Breakthrough from Tracer Tests: Simulations and Observations in a Low-Temperature Field Laboratory

Adam HAWKINS, Don FOX, Russell ZHAO, Jefferson TESTER, Lawrence CATHLES, Donald KOCH, Matthew BECKER

Tracers

Adsorbing tracers, inert tracers, conservative tracers, reactive tracers, nanoparticle tracers, field studies, thermal breakthrough, surface area and aperture distribution, finite element method, streamline modeling, fiber optic distributed temperature se

Stanford Geothermal Workshop

2015

English

Mapping the Geothermal System Using Audio Magnetotellurics and Magnetotellurics in QP Geothermal Field, SW Tibet

HE Lanfang, Dorji, ZHA Yabing, ZHAO Xuefeng and XI Xiaolu

Geophysics

Geothermal System, AMT, MT, Southwest Tibet

Stanford Geothermal Workshop

2015

English

Measuring Real-time Concentration of Ionic Tracers and pH in Geothermal Reservoirs Using a Ruggedized Downhole Tool

Ryan HESS, Grzegorz CIESLEWSKI, Timothy J. BOYLE, Steven LIMMER, William G. YELTON, Samuel BINGHAM, Greg STILLMAN

Tracers

tracers, concentraion, pH, high temperature,

Stanford Geothermal Workshop

2015

English

Heat Transfer Properties and Dissolution Behavior of Barre Granite as Applied to Hydrothermal Jet Drilling with Chemical Enhancement

Sean HILLSON, Jefferson TESTER

Emerging Technology

drilling, spallation, dissolution, water-rock interaction, high temperature flow reactor, heat transfer coefficient

Stanford Geothermal Workshop

2015

English

KIT Test-hall for Geothermal Tools – Experimental Results and Consequent Engineering Solutions

Benedict HOLBEIN, Joerg ISELE, Luigi SPATAFORA

General

logging, monitoring, tool development, laboratory experiments, high temperature, borehole investigation

Stanford Geothermal Workshop

2015

English

Introduction to the 40th Stanford Geothermal Workshop

Roland N. HORNE

Introduction

40th Stanford Workshop

Stanford Geothermal Workshop

2015

English

Current Status and Developing Trend of Direct Use in Global Geothermal Resource

Yuanquan HUANG

Direct Use

geothermal resource, direct use, installed capacity, technology

Stanford Geothermal Workshop

2015

English

Micro-earthquake Analysis for Reservoir Properties at the Prati-32 Injection Test, the Geysers, California

Lawrence HUTCHINGS, Brian BONNER, Steve JARPE, and Ankit SINGH

Modeling

rock physics, instrumentation, tomography, micro-earthquakes

Stanford Geothermal Workshop

2015

English

Asymptotic Analysis of Thermal Stimulation of Geothermal Reservoirs

Kyungjae IM, Derek ELSWORTH, Yi FANG

Enhanced Geothermal Systems

asymptotic analysis, permeability, binary temperature

Stanford Geothermal Workshop

2015

English

A Procedure for Appraisal of Drilling Success

Ari INGIMUNDARSON, Helga TULINIUS

General

drilling success, risk mitigation, well test

Stanford Geothermal Workshop

2015

English

Seismic and Aseismic Deformations Occurring During EGS Stimulation at the Geysers: Impact on Reservoir Permeability

Pierre JEANNE, Antonio Pio RINALDI, Jonny RUTQVIST, Patrick F. DOBSON

Enhanced Geothermal Systems

EGS, Microseismic activiy, Numerical simulation, changes in permeability

Stanford Geothermal Workshop

2015

English

Integration of Environmental Management System in Monitoring of Environmental and Social Aspects Associated with Operation of Olkaria II Geothermal Power Plant at Olkaria in Naivasha Sub-county, Nakuru County, Kenya

Philip JUMA BARASA

General

KenGen, Olkaria, geothermal, environmental management system, monitoring

Stanford Geothermal Workshop

2015

English

Three-dimensional Investigation of Hydraulic Treatment in Naturally Fractured Reservoirs

Tatyana KATSAGA, Azadeh RIAHI, Branko DAMANANAC

Modeling

Engineered Geothermal Systems (EGS), Discrete Fracture Network (DFN), Fluid Flow, 3DEC

Stanford Geothermal Workshop

2015

English

Well Design and Well Workover to Land Deep Production Casings in the Menengai Field

Abraham KHAEMBA

Field Studies

Production casings, cement slurry, cold flow, external casing packer, tie back casing, cemented liner

Stanford Geothermal Workshop

2015

English

Structural Geology of Eburru Volcano and Badlands Geothermal Prospects in Kenya

Rose KIENDE and Risper KANDIE

Geology

Faults, craters, caldera, mini-graben, geology, permeability and heat source.

Stanford Geothermal Workshop

2015

English

Modeling of Geysers Response to 3.06.2007 and 3.01.2014 Catastrophic Landslides-Mudflows (Kronotsky Nature Reserve, Kamchatka, Russia)

Alexey KIRYUKHIN

Field Studies

Geysers, Kamchatka, Landslide, Modeling, Velikan

Stanford Geothermal Workshop

2015

English

Fracture Sustainability in EGS Systems – Results of Laboratory Studies

Timothy J. KNEAFSEY, Seiji NAKAGAWA, Patrick F. DOBSON, B. Mack KENNEDY

Enhanced Geothermal Systems

fracture flow, fracture closing, experimental, fracture sustainability, EGS

Stanford Geothermal Workshop

2015

English

Geothermal Energy Prospecting of the Yeoman and Winnipeg Formations Within Estevan, Canada

Randy KOONKOON, Lotanna UFONDU

Modeling

Geothermal prospecting, Fluid flow,Darcy's velocity flow, Estevan

Stanford Geothermal Workshop

2015

English

Application of Silica Heat Flow on Geothermal Water Circulation Depth Estimation in the Chingshui Geothermal Field, Taiwan

Ching-Huei KUO, Chia-Mei LIU, Sheng-Rong SONG, Yu-Wei TSAI

Geochemistry

silica geothermometry, silica heat flow, Chingshui geothermal field, Taiwan

Stanford Geothermal Workshop

2015

English

Analysis of Wellhead Temperature Derivatives During Production from Geothermal Reservoirs

Kaan KUTUN, Omer Inanc TUREYEN, and Abdurrahman SATMAN

Production Engineering

Temperature derivative

Stanford Geothermal Workshop

2015

English

Direct Heat Geothermal Installation Preserves a Historic Building

Jon LEAR, Benjamin BARKER

Direct Use

Victorian, heat pump, Salt Lake City, sewage, historic preservation, direct use

Stanford Geothermal Workshop

2015

English

Experimental and Numerical Studies of Rayleigh-Benard-Darcy Convection at Large Ra, an Analog Representation of a Convective Geothermal System

Juvenal LETELIER, Paulo HERRERA, Nicolas MUJICA, Jaime ORTEGA

Reservoir Engineering

Rayleigh-Benard convection, Hele-Shaw cell, convective geothermal systems, CO2 injection

Stanford Geothermal Workshop

2015

English

Geothermal System of North China Fault Basin: Insight from Xiongxian Geothermal Field

LI Pengwei, HE Zhiliang, HU Zongquan, LIU Jinxia, Zhang Ying, FENG Jianyun, SUN Jiefu, Zou Jing

Low Temperature

geothermal system; karstic and fractured geothermal resources; space heating; gsmokelessh city; Xianxian Count

Stanford Geothermal Workshop

2015

English

Elastic-Waveform Inversion with Compressive Sensing for Sparse Seismic Data

Youzuo LIN and Lianjie HUANG

Geophysics

enhanced geothermal system, elastic-waveform inversion, compressive sensing, sparse source array, vertical seismic profiling surveys

Stanford Geothermal Workshop

2015

English

3-D Full-tensor Magnetotelluric Analysis of Coso Geothermal Field

Nathaniel J. LINDSEY, Gregory A. NEWMAN

Geophysics

Magnetotellurics, 3-D inversion, Coso, High-performance computing

Stanford Geothermal Workshop

2015

English

Integrating Geothermometer and High Resolution Thermometer to Characterize the Geothermal Characteristics of Ilan Plain, Taiwan

Chia-Mei LIU, Hsieh-Tang CHIANG, Ching-Huei KUO, Sheng-Rong SONG, Yu-Wei TSAI

Geochemistry

geothermometer, high resolution thermometer, Ilan Plain, Taiwan

Stanford Geothermal Workshop

2015

English

Large Scale Geothermal High in the Westernmost North American Covered Craton – Can Heat Flow Vs. Basement Heat Production Be a Reliable Tool in Predicting Deep EGS Geothermal Resource?

Jacek MAJOROWICZ and Simon WEIDES

Geophysics

heat flow, heat production, foreland basin, EGS potential

Stanford Geothermal Workshop

2015

English

Structural Permeability Assessment Using Geological Structural Model Integrated with 3D Geomechanical Study and Discrete Facture Network Model in Wayang Windu Geothermal Field, West Java, Indonesia

Asrizal MASRI, Colleen BARTON, Lee HARTLEY, Yuris RAMADHAN

Geology

Wayang Windu, Geothermal, Permeability, Critically Stressed Fractures

Stanford Geothermal Workshop

2015

English

Virtual Seismometers in Geothermal Systems: Using Microquakes to Illuminate the Subsurface

Eric MATZEL, Christina MORENCY, Dennise TEMPLETON, Moira PYLE

Geophysics

EGS, interferometry, microseismicity, virtual seismometers

Stanford Geothermal Workshop

2015

English

Imaging Geothermal Resources with 3D Seismic Attributes

Robert J. MELLORS, Naomi MARKS, Satish PULLAMMANAPPALLI, John CASTEE, Trent YANG, Joseph MOORE and Clay G. JONES

Geophysics

seismic reflection, attributes, exploration

Stanford Geothermal Workshop

2015

English

Joint Inversion of Geothermal Prospects

Robert. J. MELLORS, Andrew TOMPSON, Xianjin YANG, Jeffery WAGONER, Mingjie CHEN, Kathleen DYER, and Abelardo RAMIREZ

Geophysics

exploration, geophysics, joint inversion, MT, permeability

Stanford Geothermal Workshop

2015

English

Geothermal Well Targeting Method Using Structural Irregularities

Glenn MELOSH

Geology

fault, structure, geomechanics, well target

Stanford Geothermal Workshop

2015

English

Dynamic Hydro-geomechanical Simulation of Earthquakes Induced by Fluid Injections in Geothermal Reservoirs

Mamun MIAH, Laura Blanco MARTIN, William FOXALL, Christopher MULLEN, Lawrence HUTCHINGS

Geophysics

Induced seismicity, Hydro-geomechanical coupling, Dynamic earthquake simulation, Rate-and-state friction

Stanford Geothermal Workshop

2015

English

Geothermal Plant Capacity Factors

Greg MINES, Christopher RICHARD, Jay NATHWANI, Hillary HANSON, Rachel WOOD

General

capacity factor, geothermal power plants, EIA

Stanford Geothermal Workshop

2015

English

Optimization of Drilling Parameters in Drilling of Geothermal Wells - A Case Study of Well MW-17 in Menengai Field

Thomas MIYORA, Magnús Þór JÓNSSON, Sverrir ÞÓRHALLSSON

Field Studies

modelling, optimization, drilling parameters, model theory, measured and modeled parameters.

Stanford Geothermal Workshop

2015

English

Geothermal Energy and Biomass Integration in Urban Systems: a Case Study

Stefano MORET, Léda GERBER, Frédéric AMBLARD, Emanuela PEDUZZI, François MARÉCHAL

General

geothermal, EGS, biomass, energy modeling, urban energy systems, process integration

Stanford Geothermal Workshop

2015

English

Survey on Effective and Feasible Emerging Technologies for EGS Well Drilling

Shigemi NAGANAWA

Emerging Technology

drilling, EGS, emerging technology

Stanford Geothermal Workshop

2015

English

Comparison Between Use of Hammer Bits and Roller Cone Bits on Conventional Land Rigs, a Case Study of the Menengai Field

Stephen NATO and Dominic MUTAI

Field Studies

Hammer bit, air drilling, percussion drilling, conventional land rig, drilling fluid, rate of penetration, rotary table, top drive system, roller cone bit, drilling fluids, loss circulation material (LCM), cement plugs.

Stanford Geothermal Workshop

2015

English

Validation of Multicomponent Equilibrium Geothermometry at Four Geothermal Power Plants

Ghanashyam NEUPANE, Jeffrey S. BAUM, Earl D. MATTSON, Gregory L. MINES, Carl D. PALMER, and Robert W. SMITH

Geochemistry

RTEst, MEG, Geothermal, Raft River, Neal Hot Springs, Roosevelt Hot Springs, Steamboat Springs

Stanford Geothermal Workshop

2015

English

Geothermal Play Fairway Analysis of the Snake River Plain, Idaho

Dennis L. NIELSON, John SHERVAIS, Lee LIBERTY, Sabodh K. GARG, Jonathan GLEN, Charles VISSER, Patrick DOBSON, Erika GASPERIKOVA, Eric SONNENTHAL

Field Studies

Basaltic heat source, reservoir seals, Common Risk Segment maps, Composite Common Risk Segment Maps, Plays, Prospects

Stanford Geothermal Workshop

2015

English

Application of Stable Isotope Geochemistry to Tracing Recharge and Flow Systems of Fluids in Olkaria Geothermal Field, Kenya

Melissa NKAPIANI, Kennedy KAMUNYA

Tracers

oxygen18, deuterium, stable isotope ratios, recharge zones, evapo-concentrated

Stanford Geothermal Workshop

2015

English

Injection-Triggered Seismicity: an Investigation of Porothermoelastic Effects Using a Rate-and-State Earthquake Model

Jack NORBECK, Roland HORNE

Injection

injection-triggered seismicity, induced seismicity, earthquake modeling

Stanford Geothermal Workshop

2015

English

Design Considerations for Applying Multi-Zonal Isolation Techniques in Horizontal Wells in a Geothermal Setting

Jeffrey OLSON, Chad AUGUSTINE, Alfred EUSTES, William FLECKENSTEIN

Enhanced Geothermal Systems

horizontal well, well completions, multi-zonal isolation, EGS, unconventional shale, plug and perf, port and packer

Stanford Geothermal Workshop

2015

English

Characteristics of Geothermal Reservoirs in Oceanic Rift Zones

John ORCUTT and Jim SHNELL

Emerging Technology

rift zone, ocean, enthalpy, super-critical

Stanford Geothermal Workshop

2015

English

The Geothermal Journey - A Case Example of Iceland and Kenya

Edna Achieng OUKO, Malfridur OMARSDOTTIR

General

renewable energy, geothermal, developing countries, environmental impacts, sustainability

Stanford Geothermal Workshop

2015

English

Updated Geologic and Geochemical Assessment of the Olkaria III Field Following Recent Expansion to 110MW

Lara OWENS, Enrique PORRAS, Paul SPIELMAN, Patrick WALSH

Field Studies

Kenya, Olkaria, OEC, ORC, stable isotopes, gravity, helium isotopes

Stanford Geothermal Workshop

2015

English

An Update of the Geothermal Potential in the Continental Rift Zone of the Büyük Menderes, Western Anatolia, Turkey

Nevzat ÖZGÜR and Ismail Hakki KARAMANDERESI

Enhanced Geothermal Systems

Turkey, Western Anatolia, Menderes Massif, continental rift zone of the Büyük Menderes, geothermal systems, Kýzýldere, Salavatlý, Germencik, geothermal potential, 600 MW

Stanford Geothermal Workshop

2015

English

Fracture Characterization Using Resistivity Measured at Different Frequencies in Rocks

Baozhi PAN, Kewen LI, Roland HORNE

Enhanced Geothermal Systems

fracture characterization, resistivity, different frequencies

Stanford Geothermal Workshop

2015

English

Reservoir Response to Thermal and High-pressure Well Stimulation Efforts at Raft River, Idaho

Mitchell PLUMMER, Hai HUANG, Robert PODGORNEY, Joseph MOORE, Jacob BRADFORD, Mary OHREN

Injection

well stimulation, simulation

Stanford Geothermal Workshop

2015

English

Poro-Elastic and Self-Propped Single Fracture THM Models for EGS Studies

Robert PODGORNEY, George DANKO, Davood BAHRAMI, Pengcheng FU, Mark WHITE

Modeling

code comparison, egs, modeling, fractures

Stanford Geothermal Workshop

2015

English

Particle Tracking Velocimetry Technique Development for Laboratory Measurement of Fracture Flow Inside a Pressure Vessel Using Neutron Imaging

Yarom POLSKY, Philip BINGHAM, Hassina BILHEUX, Daniel HUSSEY, David JACOBSON, and SETH PEMBERTON

General

flow measurement, enhanced geothermal systems, fracture flow, reservoir model

Stanford Geothermal Workshop

2015

English

3D Conceptual Modeling Based on Geophysical and Geological Information for Targeting Geothermal Prospect Area in Hidden Geothermal System

Angga Bakti PRATAMA, Wahyu SRIGUTOMO, SURYANTINI

Modeling

3D, conceptual model, area targeting

Stanford Geothermal Workshop

2015

English

Assessment of Design Procedures for Vertical Borehole Heat Exchangers

Eleonora SAILER, David Martins Geraldo TABORDA, James KEIRSTEAD

Low Temperature

borehole heat exchanger, ground source heat systems

Stanford Geothermal Workshop

2015

English

Use of Feedzones to Interpret Subsurface Permeability Controls: A Case Study of Olkaria Geothermal System

Daniel SAITET, Eric ROP

Reservoir Engineering

Olkaria, feedzones, reservoir characterization, permeability,competion test

Stanford Geothermal Workshop

2015

English

Recent Progress on Hydrolyzable Compounds as Thermo-Sensitive Tracers for Investigating the Thermal Drawdown of Geothermal Reservoirs

Mario SCHAFFER, Anne NIEDBALA, Friedrich MAIER, Krzysztof R. IDZIK, Max WILKE, Tobias LICHA

Tracers

thermo-sensitive tracers, hydrolyzable compounds, tracer design, reaction kinetics, amides, reservoir characterization

Stanford Geothermal Workshop

2015

English

Natural or Induced: Identifying Natural and Induced Swarms from Pre-production and Co-production Microseismic Catalogs at the Coso Geothermal Field

Martin SCHOENBALL, J. Ole KAVEN, Jonathan M.G. GLEN, Nicholas C. DAVATZES

Field Studies

Coso, induced seismicity, volcanic system

Stanford Geothermal Workshop

2015

English

The Role of Uncertainty for Lumped Parameter Modeling of Low Temperature Geothermal Resources

Sven SCHOLTYSIK

General

lumped parameter modeling, reservoir engineering, geothermal energy, low temperature, uncertainty

Stanford Geothermal Workshop

2015

English

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