Patent ID: 9080432
Filing Date: 2015-07-14
Classification: E21B,F42B

Abstract:
1. A method comprising: disposing a perforation gun in a wellbore; and detonating a shaped charge in the perforation gun with a main explosive thereof that is disposed between a liner and a casing of the charge; exposing reactive material of a separately packed wave shaper to the wellbore, the wave shaper located within the casing and between and interfacing each of a primer and the main explosive prior to said detonating, the reactive material selected from a group consisting of a metal and a metalloid with an oxidizing agent; permitting the exposed reactive material to undergo a heat generating reaction upon said exposure; allowing the heat generating reaction to increase pressure in the wellbore for a dynamic overbalance condition thereat; and forming a perforation from the detonating of the main explosive, the perforation of enhanced character into a formation adjacent the wellbore during the overbalance condition.