Borehole plug and method

Details Borehole plug and method Borehole plug and method

E - Fixed Constructions

21

B

166/65

E21B 33/13 (2006.01) B01J 7/02 (2006.01) E21B 23/06 (2006.01) E21B 33/127 (2006.01) E21B 33/134 (2006.01) F42D 3/06 (2006.01)

Patent

CA 1269321

ABSTRACT An inflatable borehole plug is disclosed, the inflation of which is achieved by chemical reaction of two co-reagents disposed therein which results in evolution of a gas. The borehole plug can be dropped or lowered down a borehole to a preselected position since the extent of gas-producing chemical reaction is able to be delayed following initiation of mixing of co-reagents, by delay means in the borehole plug, for sufficient time to enable placement of the borehole plug.

537987

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