Hydraulic Release Running Tool is used to run and set the liner hanger with or without Liner Top Packer. The Running Tool is built with Setting Sleeve & assembly is run on drill string to the bottom. The Hydraulic Release Liner Setting Tool attaches to the Liner Setting Sleeve profile provides a way to carry a liner to down hole, sets a liner hanger and released from the liner before or, if desired, after cementing. The primary releasing mechanism in a setting tool is based on hydraulic, and an emergency mechanical back-up release system is also available in a setting tool. This tool carries the weight of the liner on a fully supported Collets assembly with no threads hence preventing back off and drop the liner while running in the hole. High torque ratings of the Hydraulic release Running Tool system permits aggressive rotation if required to work a liner to bottom.