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高温地热系统中赋存着大量的地热能资源.为了进一步了解高温地热系统,以腾冲热海热田为典型研究区,利用热泉地球化学组成,基于多种地球化学模型确定了热田深部母地热流体的温度,并分析了其升流后经历的不同冷却过程.热海热田的硫磺塘水热区和热水塘水热区所排泄的热泉源自共同的深部热储,该热储中母地热流体的Cl-质量浓度为265mg/L,温度为336℃.在热海热田,母地热流体在经历绝热冷却过程后直接形成了泉口温度最高的大滚锅泉,而其他中性泉均由母地热流体先与浅部地下冷水混合再经历绝热冷却形成.母地热流体的深部热储之上存在多个温度在200℃以上的热储,这些热储的形成受控于热海地区发育的多组方向不同的断裂.
In order to further understand the geothermal system with high temperature, a geothermal field in Tengchong was selected as a typical study area. Based on the geochemical composition of hot springs and the geochemical model of various geothermal fields, the geothermal energy resources were identified. The temperature of geothermal fluid and the different cooling processes experienced after its upwelling were analyzed.The sulfur pools in Hothai thermal field and the hot springs discharged in the hydrothermal zone of hot water pool are derived from the common deep thermal storage, The Cl-concentration of geothermal fluid in reservoirs was 265mg / L and the temperature was 336 ℃ .At the geothermal field in Athei, the geothermal fluid directly formed the spring with the highest temperature in Quankou after adiabatic cooling, while the others The geothermal springs are formed by mixing the geothermal fluid with shallow groundwater and then adiabatic cooling.Many thermal reservoirs with temperature above 200 ℃ exist on the deep geothermal reservoirs of the geothermal fluid.The formation of these geothermal reservoirs is controlled by the heat The development of the sea area of multiple sets of different directions of the fracture.