Raz, Eli

Israel

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IPC Class
E21B 47/00 - Survey of boreholes or wells 1
E21B 47/098 - Locating or determining the position of objects in boreholes or wellsIdentifying the free or blocked portions of pipes using impression packers, e.g. to detect recesses or perforations 1
F16L 1/11 - Accessories therefor, e.g. anchors for the detection or protection of pipes in the ground 1
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1.

TUNNEL DETECTION METHOD AND SYSTEM

      
Application Number IL2015050337
Publication Number 2015/151089
Status In Force
Filing Date 2015-03-30
Publication Date 2015-10-08
Owner
  • DAVID, David (Israel)
  • RAZ, Eli (Israel)
Inventor Borowitsh, Zvi

Abstract

The present invention provides a system and method for detecting underground tunnels by using bentonite-slurry.

IPC Classes  ?

  • E21B 47/00 - Survey of boreholes or wells
  • E21B 47/098 - Locating or determining the position of objects in boreholes or wellsIdentifying the free or blocked portions of pipes using impression packers, e.g. to detect recesses or perforations
  • F16L 1/11 - Accessories therefor, e.g. anchors for the detection or protection of pipes in the ground