| Laboratory Experiments to Characterize Cation-Exchanging Tracer Behavior at Newberry Crater, OR |
Cynthia DEAN, Paul REIMUS, Kevin LEECASTER, Dennis NEWELL, Peter ROSE, and Susan PETTY |
Tracers |
tracers, reservoir characterization, fracture surface area, cation exchange |
Stanford Geothermal Workshop |
2013 |
English |
| Single-Well Tracer Push-Pull Test Sensitivity to Fracture Aperture and Spacing |
Julia GHERGUT, Horst BEHRENS, Shyamal KARMAKAR, Martin SAUTER |
Tracers |
SWIW, single-well, injection-withdrawal, parallel-fracture, fluid-rock interface area, fracture density, aperture, spacing, tracer test, parameter sensitivity, late-time |
Stanford Geothermal Workshop |
2013 |
English |
| Tracer-Based Prediction of Thermal Reservoir Lifetime: Scope, Limitations, and What Reactive Tracers Can Tell |
Julia GHERGUT, Horst BEHRENS, Tobias LICHA, Martin SAUTER |
Tracers |
thermal lifetime, tracer test, residence time, conservative, reactive, thermo-sensitive, sorption, EGS, petrothermal, aquifer, fractured |
Stanford Geothermal Workshop |
2013 |
English |
| CCS Site Characterization by Single-Well and Inter-Well Tracer Tests |
Julia GHERGUT, Horst BEHRENS, Jac BENSABAT, Auli NIEMI, Tobias LICHA, Thomas PTAK, Martin SAUTER |
Tracers |
phase interface area, residual saturation, equilibrium, partitioning, reactive, sorption, thermo-sensitive, single-well, push-pull, SWIW, CCS, Heletz |
Stanford Geothermal Workshop |
2013 |
English |
| Can Peclet Numbers Depend on Tracer Species? Going Beyond SW Test Insensitivity to Advection or Equilibrium-Exchange |
Julia GHERGUT, Horst BEHRENS, Martin SAUTER, Tobias LICHA, Martin NOTTEBOHM |
Tracers |
tracer tests, inter-well, single-well, dispersivity, travel distance, Peclet number, scale-dependent, conservative, transport-reaction, equilibrium, kinetic, temperature-modulated, sorption |
Stanford Geothermal Workshop |
2013 |
English |
| Controlled Column Experiments to Determine the Theory and Sensitivity of thermo-sensitive Tracers |
Friedrich MAIER, Adriatik OLLONI, Tobias LICHA |
Tracers |
thermo-sensitive tracer, column experiment, isothermal system, theory testing, temperature estimation |
Stanford Geothermal Workshop |
2013 |
English |
| Development of Fractional Derivative-Based Mass and Heat Transport Model |
Anna SUZUKI, Roland N. HORNE, Hiroshi MAKITA, Yuichi NIIBORI, Sergei A. FOMIN, Vladimir A. CHUGUNOV, Toshiyuki HASHIDA |
Tracers |
mathematical model, fractional derivative, TOUGH2, reinjection, tracer analysis |
Stanford Geothermal Workshop |
2013 |
English |
| Tracer Test in Hot Spring Fluid Layer at Minami-Izu Geothermal Field, Shizuoka, Japan |
Norio YANAGISAWA, Kazuo MATSUYAMA, Yasuto TAKEDA, Kazuo TOMITA, Kasumi YASUKAWA, Keiichi SAKAGUCHI |
Tracers |
tracer, uranine, optical fiber system, hot spring, injection well |
Stanford Geothermal Workshop |
2013 |
English |
| Modeling Temperature-Time Tracers for Projecting the Thermal Behavior of Fractured Geothermal Reservoirs |
Morgan AMES and Roland HORNE |
Tracers |
tracer, tracer test, sensor, nanoparticle, temperature, thermal breakthrough, temperature-time response, fracture network characterization, inverse problem, graph, edit distance, Enhanced Geothermal Systems |
Stanford Geothermal Workshop |
2014 |
English |
| Some Insights Gained from Tracer Tests in Geothermal Reservoirs in Southern Germany (2009-2013) |
Horst BEHRENS, Julia GHERGUT |
Tracers |
tracer test, single-well, inter-well, push-pull, push-shut-in, distributed temperature sensing (DTS), parameter sensitivity, passive in-situ sampling, radio-iodide, bromide (82), fluorobenzoate, naphthalene-sulfonate |
Stanford Geothermal Workshop |
2014 |
English |
| Short-Term Fluid, Heat, and Solute Transport in Deep Georeservoirs Likely to Become EGS: Some Challenges to ICDP Hydrogeologists Who Might Like Using Artificial Tracers |
Julia GHERGUT, Horst BEHRENS, Martin SAUTER |
Tracers |
single-well injection-withdrawal (SWIW), push-pull, tracer test, residence time, fracture network, fracture density, fluid-rock interface area, dual tracer, reactive tracer, partitioning tracer, sorption |
Stanford Geothermal Workshop |
2014 |
English |
| Ability of Thermo-Sensitive Tracers for Precisely Estimating System Temperatures in Column Experiments with Thermal Gradient |
Friedrich MAIER, Mario SCHAFFER, Nur, Silvia NNJIE, Tobias LICHA |
Tracers |
thermo-sensitive tracer, thermal gradient flow, reservoir characterization, temperature distribution, pulse injection, push-pull, thermal front |
Stanford Geothermal Workshop |
2014 |
English |
| The Use of Amino G as a thermally Reactive Tracer for Geothermal Applications |
Peter ROSE and Scott CLAUSEN |
Tracers |
tracers, thermally reactive tracers, geothermal, Dixie Valley, Amino G, substituted naphthalene sulfonates |
Stanford Geothermal Workshop |
2014 |
English |
| Characterization of Mass/Heat Transfer in Fractured Geothermal Reservoirs Using Mathematical Model of Complex Dynamical System |
Anna SUZUKI, Yuichi NIIBORI, Sergei A. FOMIN, Vladimir A. CHUGUNOV, Toshiyuki HASHIDA |
Tracers |
reinjection, tracer test, mass and heat transfer, thermal response, fractional derivative |
Stanford Geothermal Workshop |
2014 |
English |
| Laboratory Experiment of Tracer Test in the Two-dimensional Heterogeneous Porous Medium |
Masahiro TAKAKI, Ryuichi ITOI, Toshiaki TANAKA |
Tracers |
tracer test, two-dimensional porous medium, fault system |
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 |
| 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 |
| 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 |
| 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 |
| 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 |