Consumable downhole tools

Details Consumable downhole tools Consumable downhole tools

E - Fixed Constructions

21

B

E21B 17/06 (2006.01) E21B 23/06 (2006.01) E21B 29/00 (2006.01) E21B 29/02 (2006.01)

Patent

CA 2653100

A downhole tool having a body or structural component comprises a material that is at least partially consumed when exposed to heat and a source of oxygen. The material may comprise a metal, such as magnesium, which is convened to magnesium oxide when exposed to heat and a source of oxygen. The downhole tool may further comprise a torch with a fuel load that produces the heat and source of oxygen when burned. The fuel load may comprise a flammable, non- explosive solid, such as thermite.

L'invention concerne un outil de fond de trou ayant un corps ou composant de structure comportant un matériau qui est au moins partiellement consommé suite à une exposition à de la chaleur et à une source d'oxygène. Le matériau peut comporter un métal, tel que du magnésium, qui est transformé en oxyde de magnésium suite à une exposition à de la chaleur et à une source d'oxygène. L'outil de fond de trou peut comporter par ailleurs un chalumeau avec une charge de combustible qui produit la chaleur et la source d'oxygène lors de la combustion. La charge de combustible peut comporter un solide inflammable non explosif, tel que de la thermite.

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