Present Geothermal Field of the Chagan Sag in the Yingen-Ejinaqi Basin of Inner Mongolia, NE China

The aim of this work is to discuss the present geothermal field of the Changan sag of the Yingen-Ejinaqi Basin in Inner Mongolia, NE China. In this study, the rock thermal conductivity and heat generation of the Chagan sag were tested, and the geothermal gradient of four wells and the first heat flo...

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Bibliographic Details
Published in:IOP conference series. Earth and environmental science 2020-06, Vol.512 (1), p.12002
Main Authors: Qingqing, HAO, Yinhui, ZUO, Zhou, Yongshui
Format: Article
Language:English
Subjects:
Geothermal resources
Heat
Heat flow
Heat generation
Heat transfer
Heat transmission
Sag
Tectonics
Thermal conductivity
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Summary:The aim of this work is to discuss the present geothermal field of the Changan sag of the Yingen-Ejinaqi Basin in Inner Mongolia, NE China. In this study, the rock thermal conductivity and heat generation of the Chagan sag were tested, and the geothermal gradient of four wells and the first heat flow data were calculated. It is concluded that the geothermal gradient of the Chagan sag can be divided into three sections, i.e., K2w-K1s2upper, K1s2lower-K1s1 and K1b2. The heat flow of the Chagan sag is 70.6 mW/m2, indicating that this sag is in a geothermal state between tectonic active area and tectonic stable area. The results may provide significant geothermal information for the evaluation of geothermal resources in the Chagan sag.
ISSN:1755-1307
1755-1315
DOI:10.1088/1755-1315/512/1/012002