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基于西宁盆地地热地质条件的研究,在Donaldson管状模型的基础上,提出的西宁盆地热储构造概念模型是大地热流为热源-低热导率岩层聚热-深循环逐渐加热受迫对流为机制-构造控水控热。进而揭示出,尽管西宁盆地地热异常分布范围较广,但也并非“遍地有热”。在生产实践中,关键是要较为准确地确定地热井的最佳构造部位和找到高渗透率的热储。
Based on the Donaldson tubular model, the conceptual model of thermal reservoir structure in Xining Basin is proposed based on the geothermal geological conditions of Xining basin. The geothermal heat flow is the mechanism of tectonic-thermal convection Water control heat. And then revealed that, despite the broader distribution of geothermal anomalies in the Xining basin, but not “hot everywhere.” In production practice, the key is to determine the best geothermal well location and find a high-permeability thermal reservoir more accurately.