Reconstruction of deep fluid chemical constituents for estimation of geothermal reservoir temperature using chemical geothermometers |
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Authors: | LIU Yan-guang LIU Bing LU Chuan ZHU Xi WANG Gui-ling |
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Institution: | 1Institute of Hydrogeology and Environmental Geology CAGS, Shijiazhuang 050061, China. |
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Abstract: | This paper elaborates the chemical constituent change principles of deep geothermal fluid during the process of upward movement. It summarizes research methods of hydrochemistry, isotope and numerical modelling technique for the physiochemical processes such as decreasing temperature, shallow groundwater infusion, and degassing. The multi-component chemical geothermometry methods including gas geochemical method are discussed. High-temperature geothermal fields in China are mostly located in the southwest with frequent new tectonic movements, especially in Tibet high-temperature geothermal areas. Therefore the paper also focuses the status of high-temperature geothermal fluid research. At last, it’s pointed out in the paper that in the future we can start from typical high-temperature geothermal zones and geothermal fields to explore optimization of the multi-component geothermometry method and use it in the reconstruction and analogue of the formation mechanism and internal relevancy of regional geothermal systems. |
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Keywords: | High temperature geothermal fluid Multi-component geothermometer optimization Geothermal gases Analogue |
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