Retrievable Packers

Retrievable Packers

The packer forms the basis of the cased-hole completion design. The packer is a sealing device that isolates and contains produced fluids and pressures within the wellbore to protect the casing and other formations above or below the producing zone. This is essential to the basic function of most wells.


  • Prevent downhole movement of the tubing string
  • Support some of the weight of the tubing
  • Protect the annular casing from corrosion from produced fluids and high pressures
  • Provide a means of separation of multiple producing zones
  • Limit well control to the tubing at the surface for safety purposes
  • Hold well-servicing fluid (kill fluids, packer fluids) in the casing annulus

Technical Documents

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Frequently Asked Questions

A production packer is a standard component of the completion hardware of oil or gas wells used to provide a seal between the outside of the production tubing and the inside of the casing, liner, or wellbore wall. In wells with multiple reservoir zones, packers are used to isolate the perforations for each zone.

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