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Geothermal Technologies Office 2013 Peer ReviewComponent Technologies R&D:Public Service of Colorado Ponnequin Wind FarmTime-lapse Joint Inversion of Geophysical Dataand its Applications to Geothermal Prospecting- GEODEProject Officer: Mark ZiegenbeinTotal Project Funding: 635,000AprilDE-EE00055131 US22,DOE 2013Geothermal OfficePrincipal Investigators:Andre Revil and Mike Batzle(Colorado School of Mines)Ezra Zemach (ORMAT)This presentation does not contain any proprietary confidential, or otherwise restrictedinformation.eere.energy.gov
Relevance/Impact of ResearchObjectives of the project Forward modeling geophysical response with fluid flow/heat modeling Joint inversion (stochastic/deterministic) for ground water flow imaging Combined passive and active geophysical methods /new methods Technical feasibility at Jersey Valley geothermal field (Nevada)Impact on costs Decrease of the costs of drilling through better characterization targets Better management of existing fields through time lapse geophysics Methodologies can be easily transferred to other DOE test sites ORMAT can use the new approaches for both production andsite management2 US DOE Geothermal Officeeere.energy.gov
Scientific/Technical Approach20z (m)Geophysics(1) Joint inversion(2) Time-lapse(3) Seismic EM10020304050x (m)607080Petrophysics(1) Seismic properties(2) Resistivity (m and n)(3) Effet of saturation3 US DOE Geothermal OfficeGeology and texture(1) Sedimentology(2) Tectonics (faults)Reservoir Modeling(1) Multiphase flow(2) Multiscale porousmediaeere.energy.gov
Accomplishments, Results and ProgressPHASE 1 Assemble Data & Model DevelopmentOriginal Planned Milestone/Technical AccomplishmentActual Milestone/TechnicalAccomplishmentDateCompletedTask 1 Assemble & Assess DataMilestone 1 Previous data compiled01/01/2013Task 2 Joint Inversion Model (CSM)Milestone 2: Meetings (ORMAT/CSM)01/01/2013Milestone 3 Codes released01/01/2013Task 3 : Database (ORMAT and CSM)Milestone 4: Measurements complete01/01/2013Task 4 PetrophysicsMilestone 5: PetrophysicsIn progressTask 5 Testing EM systemMilestone 6: Acquisition plansIn progressTask 6 Acquisition Planning01/01/2013Decision Point: Go - No go" Decision of field acquisition (January 2013)Publications: 8 publications in the peer-reviewed literature4 US DOE Geothermal Officeeere.energy.gov
Publications (Phase 1 of the project)Karaoulis M., A. Revil, A., J. Zhang, and D.D. Werkema, Time-lapse cross-gradient joint inversion of cross-well DCresistivity and seismic data: A numerical investigation, Geophysics, 77(4), D141–D157, 2012.Karaoulis M., A. Revil, D.D., Werkema, P. Tsourlos, , and B.J. Minsley, IP4DI SOFTWARE: A 2D/3D time lapsetomographic algorithm for DC resistivity, induced polarization, and frequency-domain induced polarization data,Computers and Geosciences, 2012.Revil A., A. Jardani, J. Hoopes, M. Karaoulis, C. Colwell, M. Batzle, A. Lamb, and K. van Wijk, Non‐intrusiveestimate of the flow rate of thermal water along tectonic faults in geothermal fields using the self‐potential method,FastTIMES, 16(4), 2011.Karaoulis M., A. Revil, Minsley B., M. Todesco, J. Zhang, and D.D.Werkema, 4D Time-lapse gravity inversion,submitted to Geophysical Journal International.MacLennan, K., M. Karaoulis, and A. Revil, Complex conductivity tomography using low-frequency cross-wellelectromagnetic data, submitted to Geophysics, 2012.Byrdina S., D. Ramos, J. Vandemeulebrouck, P. Masias, A. Revil, A. Finizola, K. Gonzales Zuniga, V. Cruz, Y.Antayhua, and O. Macedo, Influence of the regional topography on the remote emplacement of hydrothermalsystems with examples of Tiscani and Ubinas volcanoes, Southern Peru, Earth and Planetary Research, 2013.Soueid Ahmed, A., A. Jardani, A. Revil, and J.P. Dupont, SP2DINV: A 2D forward and inverse code for self-potentialproblems, submitted to Computers & Geosciences, 2012.Zhou J., A. Revil, M. Karaoulis, D. Hale, and J. Doetsch, Image-guided Inversion of Electrical Resistivity Data,submitted to Geophysical Journal International.5 US DOE Geothermal Officeeere.energy.gov
Prediction geophysical datathrough forward modeling (Task 1)Geothermal field:- Topography controls- Self-potential data- Hot springs dataNumerical tool: Comsol Multiphysics 4.36 US DOE Geothermal Officeeere.energy.gov
Image guided inversion (Task 2)Image-guided Inversion of Electrical Resistivity DataJ. Zhou , A. Revil ,M. Karaoulis D. Hale and J. Doetsch(submitted to Geophysical Journal international)Goal: Increase resolution resistivity inversionCLASSICALManipulation model covariance matrixb) Image guided inversion with interpolationNext step: inversion MT seismic dataNEW7 US DOE Geothermal Office(test Upper Arkansas Valley Colorado)eere.energy.gov
Time lapse gravity inversionKaraoulis M., A. Revil, Minsley B., M. Todesco, J. Zhang, and D.D.Werkema, 4D Time-lapse gravity inversion,submitted to Geophysical Journal International.3) Time-lapse inversion of the gravity dataTrue density distribution1) Forward modeling (TOUGH)(use of an active time constraint)2) Forward modeling gravity fieldInverted density distributionTrue densityNext step: fully coupled inversion2D time inversion8 US DOE Geothermal Officeeere.energy.gov
Example of test of the joint inversionLocalization of coal burning front (Task 2)A. Revil, Karaoulis M., et al, In press in Geophysics2) Joint inversion of the geophysical datasets1) Self-potential and resistivity data3) Determination of the target (burning front)Next step: application to a geothermal target9 US DOE Geothermal Officeeere.energy.gov
Coupled Inversion (Task 2)Wang, J., A. Revil, M. Karaoulis et al, in preparation for GeophysicsMultiphase flow inheterogeneous reservoirTRUECLASSICAL INVERSIONNEW INVERSIONFlow information transferred to theInverse problem in geophysics10 US DOE Geothermal Officeeere.energy.gov
Application to Stromboli (Task 1)Joint inversion of the resistivity/gravity1) 3D resistivity tomography done2) 3D gravity inversion doneDensity at 100-200 m deep (with N. Linde, U. Lausanne)High resolution DEM of StromboliPreparation of a paper for Nature Geosciences11 US DOE Geothermal Officeeere.energy.gov
Database GIS (Tasks 3)1) Resistivity survey (IP) Gavity, Mag2) Radon-thoron soil3) Water chemistry4) Geological mapping5) Gravity survey6) 3 slim-holes data7) 9 full-sized wells8) Well-testing (flow/injection)9) Conceptual reservoir modeling10) Tracers test11) Leapfrog 3D structural model12) GIS database12 US DOE Geothermal Officeeere.energy.gov
Application to Jersey Valley (Tasks 4 and 5)ResistivityPolarizationPetrophysics and core measurementsProfiles perform in March 201313 US DOE Geothermal Officeeere.energy.gov
Future Directions (year 2)Milestone or Go/No-GoStatus & Expected Completion DateTask 6 permitting9/1/2012 DoneMilestone 7 –Permits obtained1/1/2012 DonePhase IIApplication to Jersey ValleyCommercializationTask 1 Build Jersey Valley numerical model10/01/2013 In progressMilestone 8 Initial joint inversion modelTask 2 Collect geophysical dataMilestone 9 Data reduction/inversion03/01/2013 In progress06/01/2013 In progressTask 3 Joint inversion data Jersey ValleyTask 4 Interpret results with geologic infoTask 5 Lapse lapse acquisition06/01/201308/01/201308/01/2013Not doneNot doneNot doneGo no-go on time lapse acquisition09/01/2013Not done14 US DOE Geothermal Officeeere.energy.gov
Summary Forward modeling geophysical response explorationNew joint inversion algorithms for explorationNew fully coupled inversion algorithms for monitoringForward modeling for reservoir temperature monitoringTest of the inversion at StromboliAcquisitions at Jersey Valley (Nevada)New acquisitions Upper Arkansas Valley (CO)Field camp at Pagosa Springs (CO)New method of time lapse geophysicsNew method to monitor fracking15 US DOE Geothermal Officeeere.energy.gov
Project ManagementTimeline:PlannedStart DatePlannedEnd DateActualStart DateCurrentEnd Date1/1/201212/31/20121/1/201212/31/2012Federal ShareCost Share255,58621,000ORMATBudget:PlannedExpenses toDateActualExpenses toDateValue ofWork Completedto Date220,447 21,000 24,000Fundingneeded toComplete WorkPhase II24,000 CSM181,522Timeline: 9/30/2011 to 12/31/2014– Budget 255,586 635,000– Partner ORMAT Technologies Inc. Cost Sharing : 151,000 Phase 1 (9/30/2011 to 12/31/2012) Project total cost(9/30/2008 to 2/28/2012)Phase 1Phase 2Phase 316 US DOE Geothermal Office 21,000 85,000 45,000eere.energy.gov
2 US DOE Geothermal Office eere.energy.gov . Relevance/Impact of Research . Objectives of the project Forward modeling geophysical response with fluid flow/heat modeling
