| Citation: |
Gui-ling Wang, Wan-li Wang, Wei Zhang, Feng Ma, Feng Liu, 2020. The status quo and prospect of geothermal resources exploration and development in Beijing-Tianjin-Hebei region in China, China Geology, 3, 173-181. doi: 10.31035/cg2020013
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The status quo and prospect of geothermal resources exploration and development in Beijing-Tianjin-Hebei region in China
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Abstract
The Beijing-Tianjin-Hebei region boasts rich geothermal resources and new achievements have been made in the exploration and development of geothermal resources in this region based on previous regional investigation. In detail, geothermal reservoirs of Gaoyuzhuang Formation of Jixian System and Changcheng System in Xiongan New Area have been recently discovered, opening up the second space of geothermal resources; the calculation method of the recoverable resources of geothermal fluid with reinjection being considered has been improved in Beijing-Tianjin-Hebei region, and uniform comprehensive assessment of shallow geothermal energy, hydrothermal geothermal resources, and hot dry rocks (HDR) geothermal resources in the whole Beijing-Tianjin-Shijiazhuang region has been completed. The scientific research base for cascade development and utilization of geothermal resources in Beijing-Tianjin-Hebei region has applied hydraulic fracturing technology to the geothermal reservoirs in Gaoyuzhuang Formation. As a result, the production capacity doubled and two-stage cascade utilization composed of geothermal power generation and geothermal heating were realized, with the first-phase installed capacity of 280 kW and the geothermal heating is 30000 m2. In this way, a model of the exploration, development, and utilization of geothermal resources formed. Large-scale utilization has become the future trend of geothermal resource development in Beijing-Tianjin-Hebei region, and great efforts shall be made to achieve breakthroughs in reinjection technology, geothermal reservoir reconstruction technology, thermoelectric technology and underground heat exchange technology.
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References
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Gui-ling Wang, Wan-li Wang, Wei Zhang, Feng Ma, Feng Liu, 2020. The status quo and prospect of geothermal resources exploration and development in Beijing-Tianjin-Hebei region in China, China Geology, 3, 173-181. doi: 10.31035/cg2020013
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Figure 1.
Plain and carbonatite distribution map of Beijing-Tianjin-Hebei region.
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Figure 2.
Geological profile of Beijing-Tianjin-Hebei region.
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Figure 3.
Distribution of geothermal wells used to reveal the second space of geothermal reservoirs in Xiongan New Area in 2018.
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Figure 4.
Utilization means of geothermal resources in Beijing-Tianjin-Hebei region. a–thermal spring recuperation in Xiaotangshan Town, Beijing; b–geothermal heating in Xiongan New Area; c–banana planting in winter in a cultivation base; d–aquaculture in an animal husbandry base in Hebei Province.