Buckling 4 : The deformation of pipe in compression as it moves from straight to sinusoidal to helical shapes in the hole. Usually in the elastic range. 28
George E. King Engineering, 5000 Oilfield Terms: A Glossary of Petroleum Engineering Terms, Abbreviations and Acronyms, US 2010. http://gekengineering.com/Downloads/Free_Downloads /Glossary_of_Petroleum_Engineering_Terms_25_August _2010.pdf, (Oil - Amer) {593}