The drill course in a balanced presentation of theory and practice describes the basic concepts, terminology and drill requirements. This course examines the important issues in drill operations and, by designing such an operation, helps the student to learn. It guides many of the old concepts and beliefs, while scientifically and technically introducing precise concepts with detailed descriptions. This course provides a nine-step methodology for the drill tool’s failure analysis, which includes the autopsy section and the process of rebuilding the tool. This training course is equal to 98 training hours.