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Author Duphil Romain, Possenti Philippe, Piard Luc, doi  openurl
  Title A new leak-tight borehole casing at Dome Concordia station, Antarctica, for the SUBGLACIOR project Type Journal Article
  Year (down) 2014 Publication Annals of Glaciology Abbreviated Journal  
  Volume 55 Issue 68 Pages 351-354  
  Keywords  
  Abstract In the frame of the SUBGLACIOR project, a new type of casing has been installed for testing during the 2013/14 austral summer season at Dome Concordia station, Antarctica. The SUBGLACIOR probe requires a full fluid column up to the surface, in order to circulate fluid for icechips recovery. This makes it essential that the casing is leak-tight through the porous firn column. We have evaluated existing solutions before opting to test a new method. This new system is made of polyethylene pipes which are welded together at the surface while the casing pipes are lowered into the reamed borehole. It is simple and lightweight and allows the casing to be installed quickly with
optimum chance of being leak-tight. The installed casing has been tested both with compressed air and drilling fluids and has proven to work.
 
  Programme 1119  
  Campaign  
  Address  
  Corporate Author Thesis  
  Publisher International Glaciological Society Place of Publication Editor  
  Language Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 02603055 ISBN Medium  
  Area Expedition Conference  
  Notes Approved yes  
  Call Number Serial 5932  
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