ITB | Geophysical Engineering
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Staff | David Prambudi Sahara, ST., MT.

David grew up in a mountainous area of Trenggalek, East Java. He use to explore geological-related sites, e.g. active and dormant volcanoes, karst cave, rivers along the faulted block. His great passion in nature motivated him to move to bandung at 2005 and pursued degree at geophysical engineering department, Institut Teknologi Bandung (ITB). He finished his Master degree at 2011 and has worked as an academic staff from then on. Currently he is finishing his PhD at Institute of Applied Geoscience, Karlsruhe Institute of Technology (KIT).

During his bachelor at ITB he had a chance to collaborate with Dr. Hiroshi Asanuma from Tohoku University in developing an in-house software for hypocenter relocation using double-difference method. This work was also supervised by Prof. Sri Widiyantoro and Dr. Moh. Rachmat Sule. His work had been presented at the 2010 European Geothermal PhD day at Potsdam (Germany) and was awarded the best poster and presentation. Currently this method is becoming hot topic for student thesis and is widely used in geothermal as well as oil gas industry.

His current main research is in rock mechanics field. Hydraulic stimulation has been booming lately for enhancing the hydraulic connectivity of the unconventional reservoir. This motivated him to perform an improved characterization of the mechanical properties of fractured reservoirs and their impact on hydraulic stimulation. He is working with vast geo-datase from arguably the best enhanced geothermal system (EGS) site Soultz-sous-Forets, France. His work includes:
1. Stress inversion from borehole data and focal mechanism
2. Numerical modeling of failure mechanism in complex material
3. Analysis of wellbore stability
4. Mechanics-related interpretation of hydraulic stimulation