1. n. []

Any short piece of pipe, especially if threaded at both ends with male threads.

2. n. []

A completion component fabricated as a short section of heavy wall tubular with a machined internal surface that provides a seal area and a locking profile. Landing nipples are included in most completions at predetermined intervals to enable the installation of flow-control devices, such as plugs and chokes. Three basic types of landing nipple are commonly used:

• no-go nipples
• selective-landing nipples
• ported or safety-valve nipples.

See related terms: no-go landing nipple,  selective nipple