101: Why geophysics matters for geothermal

This podcast episode explores the role of geophysics in the development and implementation of geothermal energy. It delves into various topics such as induced seismicity, decision analysis, uncertainties and geologic factors, full waveform inversion, and future directions in geothermal technology and research. The episode highlights the importance of effective reservoir management and accurate measurements in geophysical techniques to mitigate risks. It also discusses the potential of integrating geophysics with geochemistry and emphasizes the value of networking and passion in the field of geophysics. Throughout the episode, the economic situation and potential of geothermal energy in the oil and gas industry are touched upon. Overall, the episode underscores the significant contributions of geophysics in advancing geothermal energy technologies and addressing industry challenges. Takeaways • Induced seismicity is a concern in geothermal energy projects and careful management of geothermal reservoirs is needed to minimize the risk. • The value of information (VOI) metric helps decision-makers assess the cost-benefit analysis of uncertain outcomes in geothermal drilling. • Geophysics, combined with geochemistry, holds great potential in understanding temperature conditions in geothermal systems. • Geophysics can provide valuable information on permeability and resource volume, but temperature remains a challenging parameter to remotely sense. • Full waveform inversion can help identify small-scale structural features in geothermal prospecting, but further studies are needed to determine its effectiveness. • Geothermal energy has the potential to contribute to a low-carbon energy mix and serve as a consistent baseload for heating infrastructure. • The geophysics community should collaborate and adapt geophysical technology for geothermal applications. • Geothermal energy is an overlooked low-carbon energy source and needs more investment and attention. • Passion and networking are significant for success in the field of geothermal energy and geophysics research.