World Geothermal Congress 2020+1
March - October, 2021

Geogenetic Analysis of Karst Thermal Reservoir in Gaoyang Geothermal Field in Hebei Province

SUI Shaoqiang

[Sinopec Star Co. Ltd, China]

To explore the genesis model of karst thermal reservoir in Gaoyang geothermal field is to develop the geothermal field service reasonably and effectively. Starting from the analysis of basic geothermal geological data such as regional structure, stratum and geothermal field in Gaoyang geothermal field, this paper analyzes the structural characteristics, thermal reservoir distribution, physical properties, heat source, migration channel, hydrochemistry and cap layer. The distribution characteristics of the faults around and inside the Gaoyang geothermal field, the distribution characteristics of the buried hill thermal reservoir, and the distribution relations of the influencing factors in the formation of geothermal field thermal reservoir are defined. The buried hill thermal reservoir in Gaoyang geothermal field is developed in the Proterozoic Wumishan formation, the Cambrian and Ordovician thermal reservoir has local residual, and the karst thermal reservoir has the spreading point in the north east - south west. The regional terrestrial heat flow value is high, the heat source condition is good. Geothermal water flows from the northwest to the southeast, principally from the Taihang mountains. The hot water migration channels are deep faults and unconformities. The cap layers are composed of Tertiary argillaceous rocks and Quaternary strata.

        Topic: Geology Paper Number: 12040

         Session 8P: Poster 2 [Tuesday 11th May 2021, 11:00 pm] (UTC-8)
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