X and R landing nipples are run into the well on the completion tubing to provide a specific landing location for the subsurface flow control equipment. The common internal profiles of these landing nipples make them universal.
COMPLETION OIL TOOLS® CT-LNP-X and CT-LNP-XN landing nipples are designed for use with standard weight tubing. CT-LNP-R and CT-LNP-RN landing nipples are designed for use with heavy weight tubing. (The N designates no-go nipples).