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Title:
TUNNEL DETECTION METHOD AND SYSTEM
Document Type and Number:
WIPO Patent Application WO/2015/151089
Kind Code:
A3
Abstract:
The present invention provides a system and method for detecting underground tunnels by using bentonite-slurry.

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WO/2021/210990TOOL AND METHOD FOR VERIFICATION OF PRESSURE INTEGRITY BEHIND DOWNHOLE CASING
Inventors:
BOROWITSH ZVI (IL)
Application Number:
PCT/IL2015/050337
Publication Date:
December 23, 2015
Filing Date:
March 30, 2015
Export Citation:
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Assignee:
BOROWITSH ZVI (IL)
DAVID DAVID (IL)
RAZ ELI (IL)
International Classes:
E21B47/098; E21B47/00; F16L1/11
Foreign References:
US4725164A1988-02-16
US20140034875A12014-02-06
US3946605A1976-03-30
GB2472079A2011-01-26
US4453366A1984-06-12
Attorney, Agent or Firm:
SHMELZER, Zeev et al. (P.O Box 94, 02 Rehovot, IL)
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