(vb.) Well Completions. To guide and engage components that are designed to couple, such as a seal assembly in a sealbore packer. See: Seal Assembly, Sealbore Packer
Schlumberger Ltd. (The World's Leading Supplier Of Technology, Integrated Project Management And Information Solutions to Customers Working in The Oil and Gas Industry Worldwide), Schlumberger Oilfield Glossary Cedex, France 2014. http://www.glossary.oilfield.slb.com/en/Terms/sym/ a.aspx, (Ergo - Brit) {766}