Annual Stanford Workshop on Geothermal Reservoir Engineering


Preliminary Program (31): Last Update Wed 1/24/2007
*Denotes Papers Received. (60 papers received out of 64).

MONDAY JANUARY 22, 2007

7:30 am REGISTRATION/ CONTINENTAL BREAKFAST


8:30 am SESSION 1: INTRODUCTION/OPENING
Chair: Kewen Li

(1) * "The Future of Geothermal Energy: An Assessment of the Energy Supply Potential of Engineered Geothermal Systems (EGS) for the United States," Jefferson Tester, David Blackwell, Susan Petty, Maria Richards, Michal Moore, Brian Anderson, Bill Livesay, Chad Augustine, Ron DiPippo, Ken Nichols, Ralph Veatch, Elisabeth Drake, Nafi Toksoz, Roy Baria, A.S. Batchelor, John Garnish + [Paper]

(2) * "Cost of Electricity from Enhanced Geothermal Systems," Subir K. Sanyal, James W. Morrow, Steven J. Butler and Ann Robertson-Tait + [Paper]

(3) * "Updated U.S. Geothermal Supply Characterization ," Susan Petty and Gian Porro [Paper]


10:15 am COFFEE BREAK


10:45 am SESSION 2: ENHANCED GEOTHERMAL SYSTEMS I
Chair: Jefferson W. Tester

(4) * "Chemical Stimulation in Near-Wellbore Geothermal Formations: Silica Dissolution in the Presence of Calcite at High Temperature and High pH," Peter Rose, Tianfu Xu, Katie Kovac, Mike Mella, and Karsten Pruess + [Paper]

(5) * "Aquifer Thermal Energy Storage in the Fractured London Chalk. a Thermal Injection / Withdrawal Test and Its Interpretation," Ryan Law, Duncan Nicholson, Karen Mayo + [Paper]

(6) * "Estimation of Mineral Transportation in HDR Circulation Test," Norio Yanagisawa, Isao Matsunaga and Hajime Sugita + [Paper]

(7) * "Thermal Modelling of Long Term Circulation of Multi-Well Development at the Cooper Basin Hot Fractured Rock (HFR) Project and Current Proposed Scale-Up Program," Robert Vörös, Ralph Weidler and Doone Wyborn + [Paper]


12:30 pm LUNCH


1:30 pm SESSION 3: FIELD STUDIES I
Chair: Sabodh K. Garg

(8) * "An Investigation of the Dixie Valley Geothermal Field, Nevada, Using Temporal Moment Analysis of Tracer Tests," Marshall J. Reed + [Paper]

(9) * "Thermal Characteristics of the Chena Hot Springs Alaska Geothermal System," Kamil Erkan, Gwen Holdman, David Blackwell and Walter Benoit + [Paper]

(10) * "Exploration and Development at Dixie Valley, Nevada: Summary of DOE Studies," David D. Blackwell, Richard P. Smith, and Maria C. Richards + [Paper]

(11) * "Geothermal Resources at Naval Petroleum Reserve-3 (NPR-3), Wyoming," Mark Milliken + [Paper]


3:15 pm COFFEE BREAK


3:45 pm SESSION 4: RESERVOIR ENGINEERING I
Chair: Abdurrahman Satman

(12) * "Inferring Well-to-Well Connectivity Using Nonparametric Regression on Well Histories," Roland N. Horne and Peter Szucs + [Paper]

(13) * "Analysis of Well Tests in Afyon Ömer-Gecek Geothermal Field, Turkey," Mustafa Onur, Murat Cinar, Niyazi Aksoy, Umran Serpen, and Abdurrahman Satman [Paper]

(14) * "Convective Dispersion in a Real Fracture," Fabrice Bauget and Mostafa Fourar [Paper]

(15) * "Well Path Design and Stimulation Treatments at the Geothermal Research Well GTGRSK4/05 in Groß Schönebeck," Zimmermann, G., Reinicke, A., Blöcher, G., Milsch, H., Gehrke, D., Holl, H.-G., Moeck, I., Brandt, W., Saadat, A., Huenges, E. + [Paper]


5:30 pm WINE AND CHEESE


TUESDAY JANUARY 23, 2007

7:30 am REGISTRATION/ CONTINENTAL BREAKFAST


8:30 am SESSION 5(A): RESERVOIR ENGINEERING II
Chair: Grímur Björnsson

(16) * "New Well Test Measurement Technique for Low Enthalpy Geothermal Wells," Umran Serpen and Niyazi Aksoy [Paper]

(17) * "Reliability of Early Modeling Studies for High-Temperature Reservoirs in Iceland and the Philippines," Zosimo F. Sarmiento and Grimur Björnsson + [Paper]

(18) * "The Use of Inflow Performance Relationships to Identify Reservoir Response During Production Tests in a Geothermal Well," Aragón, A., Suárez, M.C., Moya, S., Izquierdo, G. [Paper]

(19) * "Chemical Characteristics of the Coso East Flank Hydrothermal Fluids: Implications for the Location and Nature of the Heat Source," Bruce W. Christenson, B. Mack Kennedy, Michael C. Adams, Steven C. Bjornstad and Cliff Buck + [Paper]


10:15 am COFFEE BREAK


10:45 am SESSION 6(A): FIELD STUDIES II
Chair: Marshall J. Reed

(20) * "A Study on the Production and Reservoir Performance of Omer-Gecek/Afyon Geothermal Field," Satman, A., Onur, M., Serpen, U., Aksoy, N. [Paper]

(21) * "Deep Heat Mining in the Austrian Alps - a Prelimenary Look on Possibilities and Limitations," Bernhard Salcher and Gregor Goetzl + [Paper]

(22) * "Use of Rapid Temperature Measurements at a 2-meter Depth to Augment Deeper Temperature Gradient Drilling," Mark F. Coolbaugh, Chris Sladek, James E. Faulds, Richard E. Zehner, and Gary L. Oppliger + [Paper]

(23) "Geothermal Energy Development along Africa's Rift Valley," Fernando R. Echavarria


10:45 am SESSION 6(B): MODELING I
Chair: John Pritchett

(24) * "Reservoir Pressure Drawdown and the Alum Lakes, Wairakei," Juliet A. Newson and Michael J. O'Sullivan [Paper]

(25) * "Water Injection as a Means for Reducing Non-Condensible and Corrosive Gases in Steam Produced from Vapor-Dominated Reservoirs," Karsten Pruess, Nicolas Spycher and Timothy J. Kneafsey + [Paper]

(26) * "Geomechanical Facies Concept and the Application of Hybrid Numerical and Analytical Techniques for the Description of HTMC Coupled Transport in Fractured Systems," C.I.McDermott, M. Xie, Georg Kosakowski, Ralph Mettier, H. Moog, O. Kolditz [Paper]

(27) * "Assessing Uncertainty in Future Pressure Changes Predicted by Lumped-Parameter Models: A Field Application," Omer Inanc Tureyen, Hulya Sarak and Mustafa Onur [Paper]


12:30 pm LUNCH


1:30 pm SESSION 7(A): GEOPHYSICS
Chair: Phil Wannamaker

(28) * "Integrated Dense Array and Transect Mt Surveying at Dixie Valley Geothermal Area, Nevada; Structural Controls, Hydrothermal Alteration and Deep Fluid Sources," Philip E. Wannamaker, William M. Doerner and Derrick P. Hasterok + [Paper]

(29) * "Streaming Potential Measured for an Intact Rock Sample at Temperatures to 200 C," Tsuneo Ishido and Nobuo Matsushima + [Paper]

(30) * "Microearthquake Survey at the Buranga Geothermal Prospect, Western Uganda," Norbert Ochmann, Michael Lindenfeld, Paula Barbirye and Christopher Stadtler + [Paper]

(31) * "Microearthquake Moment Tensors from the Coso Geothermal Area," Bruce R. Julian, G. R. Foulger, Francis Monastero + [Paper]


1:30 pm SESSION 7(B): RESERVOIR ENGINEERING III
Chair: Subir Sanyal

(32) * "Net Power Capacity of Geothermal Wells Versus Reservoir Temperature - a Practical Perspective," Subir K. Sanyal, James W. Morrow, and Steven J. Butler [Paper]

(33) * "Experimental Measurement of Two-Phase Relative Permeability in Vertical Fractures," Nick Speyer, Kewen Li, Roland Horne + [Paper]

(34) * "Thermodynamic Model for Predicting Interactions of Geothermal Brines with Hydrothermal Aluminum Silicate Minerals," Nancy Moller, Christomir Christov and John Weare [Paper]

(35) * "Output of Thermal Energy from Mutnovsky Volcano (Kamchatka) and Thermal Feeding of Mutnovsky Hydrothermal System," O.B. Vereina [Paper]


3:15 pm COFFEE BREAK


3:45 pm SESSION 8(A): ENHANCED GEOTHERMAL SYSTEMS II
Chair: Tsuneo Ishido

(36) * "Tracer Tests Evaluating Hydraulic Stimulation at Deep Geothermal Reservoirs in Germany," I. Ghergut, M. Sauter, H. Behrens, T. Licha, C.I. McDermott M. Herfort, P. Rose, G. Zimmermann, J. Orzol, R. Jung, E. Huenges, O. Kolditz, M. Lodemann, S. Fischer, U. Wittig, F. Güthoff, M. Kühr, [Paper]

(37) * "Stress State at Soultz-Sous-Foręts to 5 km Depth from Wellbore Failure and Hydraulic Observations," Benoît Valley, Keith F. Evans + [Paper]

(38) * "Ongoing Resource Assessment of Geothermal Energy from Deep Sedimentary Basins in Texas," R.J. Erdlac, Jr., L. Armour, R. Lee, S. Snyder, M. Sorensen, M. Matteucci, and J. Horton + [Paper]

(39) * "Stress and Pore Pressure Distribution Around a Pressurized, Cooled Crack in Low Permeability Rock," Ahmad Ghassemi [Paper]


5:30 pm INFORMAL LAB TOUR


6:30 pm RECEPTION AND BANQUET


8:00 pm ENTERTAINMENT


WEDNESDAY JANUARY 24, 2007

7:30 am REGISTRATION/ CONTINENTAL BREAKFAST


8:30 am SESSION 9(A): GEOLOGY
Chair: Joel Renner

(40) * "Geologic Setting of the Chena Hot Springs Geothermal System, Alaska ," Amanda Kolker, Rainer Newberry, Paul Layer, Jessica Larsen, and Patrick Stepp [Paper]

(41) * "The Shallow Hydrothermal System of Long Valley Caldera, California," Suemnicht, G.A., Sorey, M.L., Moore, J.N. and Sullivan, R. + [Paper]

(42) * "In Search for Thermal Anomalies in the Coso Geothermal Field (California) Using Remote Sensing and Field Data," Mariana Eneva, Mark Coolbaugh, Steven C. Bjornstad, Jim Combs + [Paper]

(43) * "Discovering a New Buried Geothermal Field Found Using Geological-Geophysical and Geochemical Methods Uchbash-Saphane, Kutahya Western Anatolia, Turkey," Musa Burçak, Fatma Sevim, Ömer Hacisalihoglu [Paper]


10:45 am SESSION 10(B): MODELING III
Chair: Karsten Pruess

(44) * "Updated Methods for Estimating Recovery Factors for Geothermal Resources," Colin F. Williams + [Paper]

(45) * "Numerical Simulation of Tracer Testing Data at the Uenotai Geothermal Field, Japan," Shinsuke Nakao, Tsuneo Ishido and Yoshinobu Takahashi + [Paper]

(46) * "Modeling and Forecast of the Exploitation the Pauzhetsky Geothermal Field, Kamchatka, Russia," A.V. Kiryukhin, N.P. Asaulova, T.V. Rychkova, N.V.Obora, Y.F.Manukhin, L.A. Vorozheikina [Paper]

(47) * "Geothermal Brine Invasion in Oil Reservoirs: A 3D Generalization of the Buckley-Leverett Model Using Non-Linear Finite Elements," Mario-Cesar Suarez A. and Fernando Samaniego V. + [Paper]


12:30 pm LUNCH


1:30 pm SESSION 11: FIELD STUDIES III
Chair: Ben Barker

(48) * "Petrophysical Characterization of Carbonate Naturally Fractured Reservoirs for Use in Dual Porosity Simulators," Héctor Pulido, Fernando Samaniego, Daniel García-Gavito, Guadalupe Galicia-Muńoz and Carlos Velez-García [Paper]

(49) * "An Update on Geothermal Energy Potential of Turkey," Satman, A., Serpen, U., Korkmaz, E.D. + [Paper]

(50) * "Triple Porosity Model-Dual Permeability with Transient Diffusivity Hydraulic in Naturally Fractured Reservoirs ," Hector Pulido, Fernando Samaniego, Héber Cinco-Ley, Jesús Rivera and Guadalupe Galicia [Paper]


3:15 pm COFFEE BREAK


3:30 pm SESSION 12: EMERGING TECHNOLOGY
Chair: Roland Horne

(51) * "The Composition Models of Local Materials Additive to Light Weight Cement on HTHP Conditions," Suhascaryo Nur and Nawangsidi Dody [Paper]

(52) * "Silica Extraction from Hydrothermal Heat Carrier by Membrane Filters," Potapov V.V., Parshin B.E., Gorbach V.A., Kashpura V.N., Min G.M., Ermachihin A.A. [Paper]

(53) * "Experiments on Silicates and Gels Production with Using of Silica Extracted from Hydrothermal Solution," Kashpura V.N., Potapov V.V., Turina N.N., Zubaha S.V, Gorbach V.A. [Paper]


SESSION 13: Publication Only
Chair: -

(54) * "Petrography and Mineral Alteration in Berlín Geothermal Field," Elizabeth Torio-Henriquez [Paper]

(55) * "Geothermal Resources Exploration and Wellsite Selection with Environmental Considerations Using GIS in Sabalan Geothermal Area, Iran," Younes Noorollahi, Ryuichi Itoi, Hikari Fujii and Toshiaki Tanaka [Paper]

(56) * "Estimation of the Sub-Surface Temperature by Means of Magnetotelluric Sounding," V.V.Spichak, O.K.Zakharova, A.K.Rybin [Paper]

(57) * "HDR Project Soultz: Hydraulic and Seismic Observations During Stimulation of the 3 Deep Wells by Massive Water Injections," T. Tischner, M. Schindler, R. Jung, P. Nami [Paper]

(58) * "Geothermal Potential Site Selection using GIS in Iran," Hossein Yousefi, Sachio Ehara, Younes Noorollahi [Paper]

(59) * "Investigation of Salt Precipitation in Geothermal Reservoir Near Sealing Conditions," Tsypkin G.G., Calore C. [Paper]

(60) * "Lithostratigraphy of Nigeria-An Overview," Kazeem Akorede Shitta + [Paper]

(61) * "A Prospect Geothermal Potential of an Abandoned Copper Mine," Anikó Tóth and Elemér Bobok [Paper]