دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: a mechanical arrangement that prevents the upward movement of certain pieces of equipment installed in a well. A sucker rod pump may use a mechanical hold-down for attachment to a seating nipple.

n: a hanger used to lock instruments, such as pressure and temperature bombs, into a seating nipple.

a piece of downhole equipment from which gauges and instruments can be suspended.

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 special tube installed in a string of tubing, having matching wireline tool with locking pawls. It is used to hold a regulator, choke, or safety valve;to anchor a pump;or to permit installation of gas lift valves. Also called a landing nipple.

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.