作者: Langset Einar
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摘要: Abstract not available for EP0804709Abstract of corresponding document: WO9623181A hole in the earth transferring geothermal energy from around to an carrier fluid which is introduced into hole. According invention lower ends (7, 8) at least two substantially vertically extending sections (2, 4) have been used as wells recovery oil or gas, are interconnected by means additional section (3).