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.
Hydraulic anchor packers are used in natural gas wells of great depth in order to protect the column operating tools allowing fluid flow passage and accessories and cable released therethrough.