A device for sealing charges in shot holes and a method for...

E - Fixed Constructions – 21 – B

Patent

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E21B 43/263 (2006.01) E21B 33/13 (2006.01)

Patent

CA 2253960

A method and device for plugging a short hole using a plug made up of material that is capable of expanding upon contact with the mud solution of the shot hole and a cover, the material being at least partially enclosed by the cover, the cover being soluble in the mud suspension and the plug dimensioned for receipt into the shot hole.

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