Casing Grade 2 : A generic grade classifying the strength of the pipe: L80, P-110, etc. The numbers are the minimum yield of the steel in 1000's of psi
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}