Patent 7591319 was granted and assigned to Baker Hughes on September, 2009 by the United States Patent and Trademark Office.
An actuator device for setting a downhole tool is disclosed. The actuator device includes a gas releasing material that releases a gas when activated by a solvent or other activator. The gas produced due to the contact with the activator is captured within a chamber in the downhole tool. As a result, gas pressure builds up inside the tool to move a piston and cause setting of the downhole tool.