Low heat conductive frangible centralizers

Details Low heat conductive frangible centralizers Low heat conductive frangible centralizers

E - Fixed Constructions

21

B

166/71

E21B 17/10 (2006.01) E21B 36/00 (2006.01) F16L 1/026 (2006.01)

Patent

CA 1070238

ABSTRACT OF THE DISCLOSURE LOW HEAT CONDUCTIVE FRANGIBLE CENTRALIZERS Low heat conductive frangible centralizers are provided for use in a tubing string in a well and include a central tubular section connectable into the tubing string and having a plurality of radially extending polymerized furfuryl alcohol impregnated cordierite lugs in spaced apart position on the periphery of the tubular section with means to disconnectably connect such lugs on the tubular section.

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