دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: a type of mechanism in a packer or a tool in which tubing rotation moves the tools mandrel through a series of motions, similar to a letter J, to set and release the tool.

a pin and groove assembly that keeps a tool in the unset position while running and then can be worked or “Jayed” to operate the tool. Common in retrievable packers and liner hangers.

n: a sleeve receptacle that has a fitted male element and pins that fit into milled Jshaped slots of the sleeve. The short sides of the J-slots provide a shoulder for supporting weight on the pins of the male element. When the male element is lowered and turned relative to the sleeve, the pins slide in the slot toward the long side of the J, which is open-ended. The pins may thus be raised out, releasing weight that may be supported by the sleeve. The releasing procedure is called unjaying the tool."

n: the act of getting ready to use a J-slot packer or tool.