Downhole perforation tool

Details Downhole perforation tool Downhole perforation tool

2011-01-04

2011-10-11

Neuder, William P (Department: 3672)

Wells

Processes

With explosion or breaking container to implode

C166S063000

Reexamination Certificate

active

08033333

ABSTRACT:
A propellant assembly for subsurface fracturing and method for using the same are provided. The assembly can include a first tubular member having an annulus formed therethrough; a second tubular member at least partially disposed within the annulus of the first tubular member; one or more tubular propellants housed within the first tubular member, between an inner diameter of the first tubular member and an outer diameter of the second tubular member; and one or more detonating cords housed within the second tubular member, wherein the second tubular member has one or more portions thereof having a reduced wall thickness.

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