دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

a retrievable packer where the slips are set and the seal energized by setting tubing string weight down on the packer. Releases by picking up the string. Useful where annular pressure could unseat a tension-set packer.

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 packer that can be pulled out of the well when it fails, to be repaired or replaced.

n: A type of packer that is run and retrieved on a running string or production string, unlike a permanent production packer that is set in the casing or liner before the production string is run. Retrievable packers are most commonly used in well interventi

a non-permanent packer meant to be retrieved.

n: a special retrievable packer set at a particular depth in the wellbore during a squeeze cementing job. See also squeeze cementing.