
(n) a device with an elastomer packing element that depends on pressure below the packing to effect a seal in the annulus. Used primarily to run or pull pipe under low or moderate pressures. This device is not dependable for service under high differential pressures. Also called a stripper.
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(v) to place a packer in the wellbore and activate it so that it forms a seal between the tubing and the casing.
Found on
http://www.encyclo.co.uk/visitor-contributions.php
No exact match found.