基于三维地质建模的地热资源潜力评价:以施甸地热区为例
Geothermal Resources Evaluation Based on 3D Geological Modeling: The Case of Shidian Geothermal Area
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传统热储法进行地热资源评价虽简便,但评价结果误差通常较大,本研究以施甸地热田为研究区,基于区内地质和地热地质条件,结合地球物理和钻孔资料,用GMS软件建立了三维地质模型,展示了研究区地热储层和盖层的展布情况.考虑到研究区内地热资源评价参数的差异,按照热储温度将研究区划分为9个子区,结合已建立的三维地质模型计算热储体积,利用改进的热储法来准确、动态评价研究区的地热资源量,计算出研究区地热水中储存的热量为1.38×1017 J,热储岩石中储存的热量为1.49×1019 J,地热资源总量为1.5×1019 J.根据地热水可开采量计算结果,若合理开发利用施甸地热水资源,每年可节约4.36×107 t标准煤.本研究为施甸地热资源的科学、合理评价提供了新的模式.
三维地质建模 / 地热资源评价 / GMS / 施甸 / 地热水资源
3D geological modeling / geothermal resource evaluation / GMS / Shidian / geothermal water resources
附表见本刊官网(http://www.earth-science.net/).
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国家自然科学基金项目(42077278)
中央高校基本科研业务费专项资金项目(CUGSDZX002)
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