Weak Point (wireline or CT) : A designed weak point, usually right about the fishing neck on the tool that is designed to separate when excess tension or axial loads are applied
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}