Bore hole plug

E - Fixed Constructions – 21 – B

Patent

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166/64

E21B 33/128 (2006.01) E21B 33/127 (2006.01) E21B 33/134 (2006.01) G01V 1/104 (2006.01)

Patent

CA 1210688

THE ABSTRACT OF THE DISCLOSURE There is provided a new and useful bore hole plug comprising a central support member, an expandable sleeve secured about the central support, a first reactant chemical within the sleeve which is capable of reacting with a second reactant chemical or a catalyst to form a closed cell foam, and means by which the second reactant can be introduced to the sleeve.

462827

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