دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: a device machined internally to receive the movable locking devices used to position. lock. and seal subsurface production controls in tubing. A landing nipple provides a seat at a known depth into which various types of retrievable flow control equipment can be set. Also called a seating nipple.

n: 1.Any short piece of pipe, especially if threaded at both ends with male threads. 2.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 nipple

a nipple profile that contains a specific profile with a lock and a polished bore for sealing.

n: a device, usually with segmented threads, run with seal subs on the bottom of a tubing string and latched into a permanent packer to prevent tubing movement.

n: a device, larger than die bore of a permanent packer, which is run with seal subs on the 00tt0m of a tubing string and used to locate the top of a permanent packer.

n: a smoothly finished steel tube with rubber or synthetic seal rings run on the bottom of the tubing string and seated in a permanent packer in order to make a pressure seal.