Core Insights - The successful drilling of the "Donggao Hot 1" geothermal well in Shandong Province marks a significant achievement in the exploration and utilization of hydrothermal geothermal energy in China, with a depth of 4002.17 meters and a bottom temperature of 162°C [1][2] - Geothermal energy is increasingly recognized as a stable, safe, and relatively clean energy source, with the potential to play a crucial role in global energy competition [2][3] Geothermal Energy Characteristics - Geothermal energy can be categorized into magma-type, dry hot rock-type, and hydrothermal geothermal energy, with hydrothermal being the primary focus for global development [2] - The successful drilling of "Donggao Hot 1" is a landmark achievement that enhances China's position in the global energy landscape [2] Technical Challenges and Innovations - Increasing drilling depth leads to more complex geological conditions, resulting in exponential increases in drilling difficulty and costs [3] - The development of high-temperature acid fracturing technology has addressed challenges related to connectivity and blockage in deep high-temperature reservoirs, enabling efficient geothermal fluid extraction [3] Regional Insights - The drilling success challenges the traditional belief that high-temperature geothermal resources are limited to specific regions in China, suggesting potential for similar geological areas to develop high-temperature geothermal resources [4] Applications and Benefits - Geothermal energy applications include urban clean heating, electricity generation, industrial production, and agricultural uses, emphasizing a smart model of temperature-specific and tiered utilization [5][6] - The development of deep geothermal resources aims to benefit the public, with expectations for further scale, intelligence, and low-carbon development, potentially replacing traditional fossil fuels [6]