Well spacing of the doublet at the Huangtsuishan geothermal site, Taiwan

Shang Ying Chen, Bieng Zih Hsieh, Kuo Chin Hsu, Yi Fei Chang, Jia Wei Liu, Kai Chun Fan, Li Wei Chiang, Yin Lung Han

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)


The issue of thermal breakthrough is often encountered in the extraction of geothermal fluids with reinjection. This study analyzes the minimum safe distance between doublet wells that will maintain thermal productivity under various conditions at the Huangtsuishan geothermal site. A conceptual model is constructed and hypothetical exploitation scenarios are explored. The results show that a distance of 300 m is required to avoid a thermal break in 80 years with 120 tons/hour pumped and 90 % reinjected at the Huangtsuishan Geothermal site. A regression formula was provided as a guideline for the minimum required doublet distance for various pumping rates.

Original languageEnglish
Article number101968
Publication statusPublished - 2021 Jan

All Science Journal Classification (ASJC) codes

  • Renewable Energy, Sustainability and the Environment
  • Geotechnical Engineering and Engineering Geology
  • Geology


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