Business Case

• D2.1 Risk and time/readiness maps of all relevant keys
• D2.2 Key performance indicator analyses based on Monte Carlo simulation
• D2.3 Practitioner’s guidelines concerning synergies and standardization needs

Risk Assessment 

• D3.1 A comprehensive report on risk assessment and workflow for soft stimulations in various deep-seated geological contexts in Europe. This evaluation will consider potential risks in urban areas with water-bearing zones
• D3.2 Workflows for seismic risk assessment for soft stimulations, based on high quality datasets 
• D3.3 Risk governance strategy report
• D3.4 An ad-hoc risk monitoring strategy report
• D3.5 Rational guidance to governments and regulatory authorities
• D3.6 Guidance to insurers

Demonstration of combined hydraulic-thermal-chemical treatments

• D4.2 Detailed report on the performance of permeability enhancement, simplified skin effect, and the productivity and injectivity indices
• D4.3 Detailed report on reservoir performance in terms of sustainability each 12 month
• D4.4 Input data on business plan

Demonstration of cyclic hydraulic and multi-stage treatments

• D5.1 Description of individual completion elements required to segment EGC reservoir section, such as water swellable packer, large bore sliding sleeves, and fibre-optic across a large bore segmented wellbore
• D5.2 Demonstration of reservoir treatment (cyclic stimulation) and long-term performance of energy production
• D5.4 Report on ways and methods to lower the technical, geological and financial risks currently associated to EGS

Intelligent tools for controlling performance and environment

• D6.1 soft chemical/acid stimulation
• D6.2 Soft Hydraulic Stimulation
• D6.3 Technical performance monitoring and control
• D6.4 Environmental performance monitoring for validation and control

• D6.5 optimisation of the business case, based on optimized reservoir management and operation 

Dissemination, communication and outreach

• D7.1 Set up of email, internal web site and shared workspace completed
• D7.2 DESTRESS Newsletter published
• D7.3 DESTRESS Newsletter published
• D7.4 DESTRESS Newsletter published
• D7.6 Virtual and physical site access programme
• Ethical Deliverable D8.9 / D.44: Detailed information on the informed consent procedures that will be implemented
• D7.9 Final report target at a public audience released

2020

Azzola, J., Schmittbuhl, J., Zigone, D., Lengliné, O., Masson, F., Magnenet, V., (2020), "Elastic strain effects on wave scattering: implications for coda wave interferometry" (CWI). Journal of Geophysical Research: Solid Earth, e2019JB018974, DOI: https://doi.org/10.1029/2019JB018974

Broccardo, M., Mignan, A., Grigoli, F., Karvounis, D., Rinaldi, A. P., Danciu, L., Hofmann, H., Milkereit, C., Dahm, T., Zimmermann, G.,  Hjörleifsdóttir, V. and Wiemer, S. (2020), "Induced seismicity risk analysis of the hydraulic stimulation of a geothermal well on Geldinganes, Iceland", Natural Hazards and Earth System Sciences, 20, 1573-1593, DOI: 10.5194/nhess-20-1573-2020

Farquharson, J.I., Kushnir, A.R.L., Wild, B. et al. (2020), "Physical property evolution of granite during experimental chemical stimulation". Geotherm Energy 8, 14, DOI: https://doi.org/10.1186/s40517-020-00168-7

Fokker, P., Singh, A., Wassing, B. (2020), "A semianalytic time‐resolved poro‐elasto‐plastic model for wellbore stability and stimulation", Numerical and Analytical Methods in Geomechanics, DOI: https://doi.org/10.1002/nag.3048

2019

Azzola, J., Valley, B., Schmittbuhl, J., and Genter, A. (2019), "Stress characterization and temporal evolution of borehole failure at the Rittershoffen geothermal project", Solid Earth, 10, 1155-1180, https://doi.org/10.5194/se-10-1155-2019.

Hofmann, H., Zimmermann, G., Farkas, M., Huenges, E., Zang, A., Leonhardt, M., Kwiatek, G., Martinez-Garzon, P., Bohnhoff, M., Min, K.-B., Fokker, P., Westaway, R., Bethmann, F., Meier, P., Yoon, K. S., Choi, J. W., Lee, T. J. and Kim, K. Y. (2019), “First field application of cyclic soft stimulation at the Pohang Enhanced Geothermal System site in Korea”, Geophysical Journal International, Vol. 217, No 2, 2019, p. 926–949, https://doi.org/10.1093/gji/ggz058

Hofmann, H., Zimmermann, G., Zang, A., Min, K.-B. (2019), “Correction to Cyclic soft stimulation (CSS): a new fluid injection protocol and traffic light system to mitigate seismic risks of hydraulic stimulation treatments”, Geothermal Energy.

Lucas, Y., Ngo V. V., Clément, A., Fritz, B., Schäfer, G. (2019), "Modelling acid stiumlation in th eenhanced geothermal system of Soultz-sous-Forêts (Alsace, France)", Geothermics.

Salina Borello, E., Fokker, P. A., Viberti, D., Verga, F., Hofmann, H., Meier, P., et al. ( 2019). Harmonic pulse testing for well monitoring: Application to a fractured geothermal reservoir. Water Resources Research, 55. https://doi.org/10.1029/2018WR024029

2018

Azzola, J., Schmittbuhl, J., Zigone, D., Magnenet, V. and Masson, F. (2018), “Direct Modeling of the Mechanical Strain Influence on Coda Wave Interferometry”, Journal of Geophysical Research, April 2018.

Brehme, M., Regenspurg, S., Leary, P., Bulut, F., Milsch, H., Petrauskas, S., Valickas, R. and Blöcher, G. (2018), “Injection-Triggered Occlusion of Flow Pathways in Geothermal Operations”, Geofluids.

Grigoli, F., Cesca, S., Rinaldi, A. P., Manconi, A., López-Comino, J. A., Clinton, J. F., Westaway, R., Cauzzi, C., Dahm, T. and Wiemer, S. (2018), “The November 2017 Mw 5.5 Pohang earthquake: A possible case of induced seismicity in South Korea.” Science, pp. 1003-1006. doi: 10.1126/science.aat2010

Hofmann, H., Zimmermann, G., Zang, A. and Ki-Bok, M. (2018), “Cyclic soft stimulation (CSS): a new fluid injection protocol and traffic light system to mitigate seismic risks of hydraulic stimulation treatments“, Geothermal Energy (2018).

Konstantinos, G., Megalooikonomos, K., Parolai, S. and Pittore, M. (2018), “Toward performance-driven seismic risk monitoring for geothermal platforms: development of ad hoc fragility curves”, Geothermal Energy.

Massin, F. and Malcolm, A. (2018), “Probabilistic Focal Mechanism Estimation Based on Body‐Wave Waveforms through Source‐Scanning Algorithm“, Bulletin of the Seismological Society of America.

Pittore, M., Haas, M. and Megalooikonomou, K. (2018), “Risk-Oriented, Bottom-Up Modeling of Building Portfolios With Faceted Taxonomies”, Frontiers in Built Environment, Vol. 4, 2018.

Welter, S., Siefert, D., Mergner, H., Kölbel, T. and Münch, W. (2018), “Risk factors within techno-economic evaluation of soft-stimulation measure”, PROCEEDINGS, 43rd Workshop on Geothermal Reservoir Engineering Stanford University, February 12-14, 2018

Westaway, R. (2018), “Deep Geothermal Single Well heat production: critical appraisal under UK conditions”, Quarterly Journal of Engineering Geology and Hydrogeology, No 51, pp. 424–449 (2018).

Westaway, R. (2018), “Evidence suggests fracking linked to South Korea’s 2017 earthquake”, The Conversation, 95883, 2018.

2017

Baujard, C., Genter, A., Dalmais, E., Maurer, V., Hehn, R., Rosillette, R., Vidal, J. and  Schmittbuhl, J. (2017), “Hydrothermal characterization of wells GRT-1 and GRT-2 in Rittershoffen, France: Implications on the understanding of natural flow systems in the rhine graben.”

Diaz, M., Kim, K. Y., Yeom, S., Zhuang, L., Park, S. and Min, K. B. (2017), “Surface roughness characterization of open and closed rock joints in deep cores using X-ray computed tomography”, Int J Rock Mech Min Sci, 98:10-19.

Grigoli, F., Boese, M, Scarabello, L., Diehl, T., Weber, B., Weimer, S. and Clinton, J.F (2017), “Picking vs Waveform based detection and location methods for induced seismicity monitoring”

Grigoli F., Cesca, S., Massin, F., Obermann, A., Strauch, W., Clinton, J. F. and Wiemer, S. (2017), “Automated seismic event location combining waveform stacking and relative location techniques”

Grigoli, F., Cesca, S., Priolo, E., Rinaldi, A.P., Clinton, J. F., Stabile, T. A., Dost, B., Garcia Fernandez, M., Wiemer, S. and Dahm, T. (2017), “Current challenges in monitoring, discrimination and management of induced seismicity related to underground industrial activities: a European perspective”

Király-Proag, E. Gischig, V., Zechar, JD and Wiemer, S. (2017), “Multi-component ensemble models to forecast induced seismicity”

Maurer, V., Cuenot, N., Richard, A. and Grunberg, M. (2017). “On-going seismic monitoring of the Rittershoffen and the Soultz EGS projects (Alsace, France)”

Meyer, G., Baujard, C., Hehn, R., Genter, A. and McClure, M. (2017). “Analysis and numerical modelling of pressure drops observed during hydraulic stimulation of GRT-1 geothermal well (Rittershoffen, France).”

Ngo, V.V., Lucas, Y., Clement, A. and Fritz, B. (2017). “Modeling the impact of temperature on the saturation state and behavior of minerals in the geothermal Soultz-sous-Forêts.”

Vidal, J., Genter, A. and Chopin, F. (2017), “Permeable fracture zones in the hard rocks of the geothermal reservoir at Rittershoffen, France”

2016

Baujard, C., Genter, A., Dalmais, E., Maurer, V., Hehn, R. and Rosillette, R. (2016), “Temperature and hydraulic properties of the Rittershoffen EGS reservoir, France.”

Maurer, V., Grunberg, M., Cuenot, N. and Richard, A. (2016), “Towards calibrating an automatic detection system to monitor microseismic activity induced by geothermal projects in the Upper Rhine Graben”

Richard, A., Maurer, V. and Lehujeur M. (2016), “Induced vibrations during a geothermal project and acceptability, how to avoid divorce?”

Vidal, J., Chopin, F., Genter, A. and Dalmais E. (2016), “Natural fractures and permeability at the geothermal site Rittershoffen, France”

Vidal, J., Genter, A. and Schmittbuhl, J. (2016), “Pre- and post-stimulation characterization of geothermal well GRT-1, Rittershoffen, France: insights from acoustic image logs of hard fractured rock”