[主旨报告]Prospects for Seismicity-Permeability Scaling-Key Needs in Pursuit of the Energy Transition
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[主旨报告]Prospects for Seismicity-Permeability Scaling-Key Needs in Pursuit of the Energy Transition

Prospects for Seismicity-Permeability Scaling-Key Needs in Pursuit of the Energy Transition
编号:522 访问权限:仅限参会人 更新:2024-05-27 14:29:03 浏览:437次 主旨报告

报告开始:2024年05月31日 09:00 (Asia/Shanghai)

报告时间:30min

所在会议:[P] Plenary Session » [P-2] Plenary Session Ⅱ

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摘要
Contemporary methods of energy conversion that reduce carbon intensity and address the energy transition draw heavily on fluids in the subsurface. This includes sequestering CO2, fuel switching to lower-carbon sources, such as from abundant gas shales, recovering deep geothermal energy via EGS, and diurnal and inter-seasonal storage of heat, H2 and energized fluids (CAES). In all of these endeavors, either maintaining the low permeability and integrity of caprocks or controlling the growth of permeability in initially very-low-permeability shales or geothermal reservoirs represent key desires. Injected volumes are necessarily enormous, anticipated overpressures large and the potential for hazardous triggered seismicity significant. We explore conditions controlling the linked evolution of seismicity and permeability in particular with respect to the (i) scaling of seismicity, (ii) controls on permeability evolution and the (iii) potential to recover permeability evolution from physics-based models of microearthquakes linked to permeability evolution.
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报告人
Derek Elsworth
Member of the U.S. National Academy of Engineering, Foreign Academician of the Chinese Academy of Engineering, Professor of Energy and Mineral Engineering and Geosciences at Penn State

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