Patent ID: 9453382
Filing Date: 2016-09-27
CPC Classification: E21B,F42B

Claim Text:
1. A power charge for igniting in a downhole tool to provide high pressure gas for powering the downhole tool, the power charge comprising: a sleeve which defines a housing which at least in part provides a lateral periphery for the power charge; a propellant packed into said sleeve, and said propellant including of a mixture of combustible components and an oxidizer for providing a controlled burn rate to power the downhole tool; and an igniter disposed in a first end face of said power charge, embedded into said propellant, said igniter having a main body portion disposed adjacent to said first end face, and said igniter having at least one protrusion extending laterally outward from said main body portion and into said propellant, with said propellant disposed between said first end face of said power charge and said at least one protrusion which retains said igniter within said propellant and said power charge.