EGS 지열발전 연구사례: The Soultz Project
Enhanced Geothermal System Case Study: The Soultz Project
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초록
1984년 프랑스 Soultz-sous-Forêts 지역에서 시작된 Soultz 프로젝트는 2007년 11월에 1.5 MW급 Organic Rankine Cycle (ORC) binary 발전 설비가 완성되기까지 20여년에 걸쳐 인공 지열저류층 생성기술(EGS; Enhaced Geothermal System) 개발을 위한 다양한 실험과 연구가 이루어져, 그 축적된 기술은 호주의 Cooper basin, 독일의Landau, Insheim 등의 지열발전 프로젝트에 활용되고 있다. 우리나라의 포항에서도 현재 지열발전 프로젝트가진행되고 있는 시점에서 이 보고에서는 지열저류층 생성 측면에서 Soultz에서의 경험을 살펴보았다. 포항의 경우, 지질학적인 측면에서 Soultz의 환경과 유사한 부분이 많으며 따라서, Soultz에서의 경험과 know-how를 잘연구하고 개선하여 적용한다면 불필요한 시행착오나 시간적, 경제적인 낭비요소를 배제할 수 있을 것이며, 이보고가 그에 보탬이 되기를 기대한다.
Abstract
Various experiences on enhanced geothermal system (EGS) has been accumulated from the Soultz project through various scientific experiments and research activities for more than 20 years since it started in the year of 1984 until the 1.5 MW Organic Rankine Cycle (ORC) binary power plant has been built up in Soultz-sous-Forêts area, France. They have been applied to Cooper basin in Australia, Landau and Insheim in Germany and so forth. This report summaries the experiences from Soultz in the aspect of artificial reservoir creation, expecting to be helpful for reducing any trial and errors or unnecessary expenses in ongoing Korean EGS project in Pohang area,where the geological features are similar to Soultz area.
참고문헌 (14)
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