Geothermal Heating Mode of "Multi-well Coordination System": A Case Study of Typical Geothermal Distribution Area in Linqing, Liaocheng, Shandong Province

Dong-yi LIU , Zhen-hua ZHAO , Chao JIA , Xiao DONG

Science Technology and Engineering ›› 2025, Vol. 25 ›› Issue (8) : 3102 -3109.

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Science Technology and Engineering ›› 2025, Vol. 25 ›› Issue (8) : 3102-3109 DOI: 10.12404/j.issn.1671-1815.2403441
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Geothermal Heating Mode of "Multi-well Coordination System": A Case Study of Typical Geothermal Distribution Area in Linqing, Liaocheng, Shandong Province
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Abstract

As a widely distributed and abundant clean energy source, geothermal energy may lead to inefficient resource utilization and a series of ecological environmental issues when improperly developed. The typical geothermal distribution area in Linqing, Liaocheng City, Shandong Province was selects as the research object. Based on detailed geothermal geological survey data, the construction of a "multi-well coordination system" geothermal heating model was explored and the feasibility analysis with operational benefit was conducted. The results demonstrate that the proposed coordinated multi-well geothermal heating mode can reduce geothermal resource extraction by 41.46% while maintaining equivalent heating coverage and quality standards, significantly enhancing maximum utilization efficiency of geothermal resources. The system simultaneously achieves geothermal tailwater reinjection with favorable economic returns. The static investment payback period approximates 3 years, and the total revenue over 20 heating seasons reaches 25.742 million yuan. Through zoning division implementation in key operational areas, this model effectively addresses challenges including dense well distribution, uneven development patterns, and difficulties in reinjection well construction. The findings provide technical references and application demonstrations for geothermal heating development in other regions.

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geothermal exploitation / multi-well coordination system / heating mode / operational benefits

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Dong-yi LIU, Zhen-hua ZHAO, Chao JIA, Xiao DONG. Geothermal Heating Mode of "Multi-well Coordination System": A Case Study of Typical Geothermal Distribution Area in Linqing, Liaocheng, Shandong Province. Science Technology and Engineering, 2025, 25(8): 3102-3109 DOI:10.12404/j.issn.1671-1815.2403441

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