Profile: Casper Oil Tools, LLC provides downhole packers and tools. Our products include cement retainers, mechanical setting tool, WRP retrieving head, service packers, tubing swivels and anchor catcher. Our PCR is a modular designed drillable cement retainer. It is used in acidizing, fracturing or cementing with a cement retainer. We provide a mechanical setting tool for drillable cement retainers and bridge plugs. Our hydraulic bit release sub is a disconnect device that is used to remove the drill bit or mill after drilling operations.