Stress and rock mechanics issues of relevance to HDR/HWR engineered geothermal systems: Review of developments during the past 15 years

Keith F. Evans, François H. Cornet, Toshiyuki Hashida, Kazuo Hayashi, Takatoshi Ito, Koji Matsuki, Thomas Wallroth

Research output: Contribution to journalArticle

43 Citations (Scopus)

Abstract

This paper reports the findings of the Stress and rock mechanics working group of the Academic Review of Hot Dry Rock/Hot Wet Rock (HDR/HWR) Engineered Geothermal Systems convened in Sendai, Japan in 1997. Key developments in the fields of stress and rock mechanics that are relevant to the development of HDR/HWR systems and that have occurred since the last Academic Review in 1982 are described. Rock mechanics is here taken to include basic studies of fluid flow through fractures. Key unresolved issues that are important for HDR/HWR systems are also discussed.

Original languageEnglish
Pages (from-to)455-474
Number of pages20
JournalGeothermics
Volume28
Issue number4-5
DOIs
Publication statusPublished - 1999 Aug

Keywords

  • HDR
  • HWR
  • Hot dry rocks
  • Rock mechanics
  • Stress

ASJC Scopus subject areas

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

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