Explosive system for casing damage repair

Details Explosive system for casing damage repair Explosive system for casing damage repair

E - Fixed Constructions

21

B

E21B 29/02 (2006.01) E21B 41/00 (2006.01) F42B 3/00 (2006.01)

Patent

CA 2376567

An explosive system is disclosed which may be used in repair of damaged casing. In a described embodiment, an explosive system includes a flexible elongated tubular container with a liquid explosive disposed within the container. As an alternative, the liquid explosive may be flowed into a wellbore without being retained within a container. The liquid explosive is detonated in the wellbore, thereby fragmenting the damaged casing and forcing it out into a formation surrounding the wellbore.

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