发明名称 Method and apparatus for introducing a geothermal probe into the earth
摘要 In a method for introducing a geothermal probe into the earth, a geothermal probe is introduced in a radiating manner with the drill head into the earth. After the drilling operation, the drill head remains in the earth. The drill head is introduced into the earth with the assistance of a rod linkage.
申请公布号 US8020636(B2) 申请公布日期 2011.09.20
申请号 US20070941332 申请日期 2007.11.16
申请人 TRACTO-TECHNIK GMBH & CO. KG 发明人 WURM DIETER
分类号 E21B49/10 主分类号 E21B49/10
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