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Occurrence Characteristics and Development Practice of Geothermal Resources In Xianyang Urban Area
The urban area of Xianyang is located in the gentle slope belt in the northern part of the Xi'an sag. The tectonic activities in the area are relatively stable. The fault on the north side of the Weihe River is the main channel for heat control, heat conduction and water conduction. Complete heat storage structure. This paper systematically sorts out the geothermal exploration, development and utilization data of Sinopec Luyuan Geothermal Energy Development Co., Ltd. in the past 15 years, and believes that Xianyang geothermal resources have the characteristics of large scale, high abundance, many heat sources and excellent quality. According to preliminary calculation, the total static reserves of only two sets of main thermal reservoirs in the Lantian-Bahe Formation and Gaoling Group are 347.6×108m3 and the recoverable reserves are 6.96×108m3. It is a large-scale geothermal field. The success of geothermal exploration and development in Xianyang urban area can be summarized as unified planning, scientific and orderly development; cooperation between enterprises and land, standardized management, demonstration and guidance; combination of production and irrigation, sustainable development and utilization; optimization of drilling technology and improvement of engineering quality; Reduce costs and increase efficiency; save energy and reduce emissions, and support the dual-carbon strategy. The practice in Xianyang urban area shows that the large-scale and effective development of geothermal resources in Xianyang fully meets the development requirements of renewable, sustainable and recyclable energy. In order to adjust and improve the energy structure and reduce the consumption of traditional energy , improving the ecological environment and building a beautiful Xianyang, and played a good demonstration role for geothermal development in the Weihe Basin.