TY - JOUR ID - epos194 UR - http://dx.doi.org/10.1190/1.2954024 IS - 7 A1 - Dyer, B. C. A1 - Schanz, U. A1 - Ladner, Florentin A1 - Häring, Markus O. A1 - Spillman, T. Y1 - 2008/07// N2 - Exploitation of geothermal heat energy from rocks at depths of several km has been the goal of various projects since the mid-1970s. To exploit the energy in these deep rocks poses technical challenges in drilling, well completion, creation of the heat exchange reservoir at depth, and control of seismicity. In spite of the diffi culties, what are now known as enhanced/engineered geothermal systems (EGS) off er almost limitless clean energy, so it is not surprising that this technology continues to attract investors. However, commercial energy production from the greatest potential resource, hot rock at depths >5 km or temperatures >200° C, remains elusive. ... PB - Society of Exploration Geophysicists JF - The Leading Edge VL - 27 SN - 1070-485X TI - Microseismic imaging of a geothermal reservoir stimulation SP - 856 AV - none EP - 869 ER -