Seating Nipple 2 : A machined profile in a heavy wall short tubing section that allows a plug to be set and the seal on the plug to effectively isolate the well
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}