Drillstring Failure - Identification, Modeling and Experimental Characterization Jamil Abdo, Edris M.Hassan, Khaled Boulbrachene, Jan Kwak April 2019 PDF Cite Supplementary notes can be added here, including code and math. Drill String Failure Drill String Safety Fatigue Failure Lateral and Torsional Vibration Related Design and Fabrication of an Experimental Setup to Investigate Fatigue Failure in Drilling Pipes