DEVICE AND METHOD FOR CLEANING WELLS

摘要

An invention is proposed that provides a tool for well or pipeline servicing. This invention adds the ability of circulation features to a conventional swabbing mandrel allowing for both swabbing and circulation options in circumstances where one or the other may not achieve the desired goal of removing wellbore or pipeline fluids and solids effectively. The invention allows for swabbing with or without circulation while avoiding the need to change the equipment in or out of the well or pipeline.