anchor packer

anchor packer

[′aŋ·kər ‚pak·ər]
(petroleum engineering)
A device used in oil wells to seal the annular space between the tubing and its surrounding casing to help control the oil-producing gas lift.
References in periodicals archive ?
Procurement Hydraulic Anchor Packer Service Allows Fluid Flow and Transition Tools and Accessories Cable Released Without Restrictions, Having A Constant Diameter.