Patent 8403037 was granted and assigned to Baker Hughes on March, 2013 by the United States Patent and Trademark Office.
A method of dissolving a tool includes exposing an outer surface of the tool to an environment reactive with the tool, reacting the tool with the environment, and applying stress to the tool. The method also includes concentrating stress on the tool at stress risers in the outer surface, and initiating fracturing the tool at the stress risers.