东营钻出162℃“能源锅炉” 巨量地热如何变现？

Core Viewpoint - The successful exploration of the "Donggao Heat 1" well in Dongying, Shandong Province, has broken the traditional perception of geothermal resources in China, demonstrating the potential for high-temperature geothermal energy in sedimentary basins, which could lead to diversified energy structures and alleviate structural energy contradictions at the national level [1][2][5]. Geothermal Resource Development - The "Donggao Heat 1" well reached a depth of 4002.17 meters with a bottom temperature of 162°C and a wellhead water temperature of 138°C, producing 101.3 cubic meters of water per hour [1]. - The well's development is based on a new theory that sedimentary basins can host high-temperature geothermal resources, challenging the traditional view that such resources are primarily found in western China [5][8]. Technological Innovations - The "high-temperature acid fracturing technology" developed by the Shandong Geological and Mineral Exploration Bureau has improved the flow capacity of geothermal reservoirs by 12 times and increased wellhead temperature by 18°C [7]. - The principle of "balanced extraction and reinjection" ensures sustainable geothermal resource utilization, preventing depletion and environmental issues [6][7]. Economic Impact - The "Donggao Heat 1" well is estimated to release 679,000 GJ of heat annually, equivalent to approximately 27,000 tons of standard coal, with potential applications in electricity generation and industrial steam production [11]. - The economic benefits from the well's development could reach around 450 million yuan annually, benefiting approximately 180,000 urban and rural residents [11]. Applications in Agriculture and Industry - Geothermal energy is being utilized in agricultural settings, such as the Shandong Shuangfu Flower Company, where heating costs have been significantly reduced from 40 yuan to 15 yuan per square meter, enhancing production quality [9][10]. - The integration of geothermal energy into community heating and agricultural practices demonstrates its versatility and potential for broader applications [10].