Improved oil well perforator liners

Details Improved oil well perforator liners Improved oil well perforator liners

E - Fixed Constructions

21

B

E21B 43/116 (2006.01) F42B 1/02 (2006.01) F42B 1/032 (2006.01)

Patent

CA 2376565

A shaped charge apparatus having an improved liner for a shaped charge constructed from a combination of powdered metal and selected polymer material. Powdered heavy metal and polymer binder is compressively formed into a rigid shaped charge liner under very high pressure. The polymer binder may be in powdered form and or also be used to coat the powdered metal particles prior to compression. The compressed liner may also contain a relatively small percentage of other material to enhance lubrication or corrosion resistance.

Appareil pour charge creuse équipé d'une colonne améliorée destinée à une charge creuse construite à partir d'un alliage de métal lourd en poudre et de liant métallique. Le métal lourd en poudre et le liant métallique sont transformés en une colonne de charge creuse rigide à très haute pression. Le liant métallique peut se présenter sous forme de poudre ou servir à revêtir les particules métalliques lourdes poudreuses avant la fabrication. La colonne peut également contenir un pourcentage relativement faible d'autres matières afin d'améliorer la lubrification ou la résistance à la corrosion.

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