stripper rubber

stripper rubber

[′strip·ər ‚rəb·ər]
(petroleum engineering)
A pressure-actuated seal used to control gas pressure in the casing-tubing annulus of low-pressure wells while inserting (running) or withdrawing (pulling) tubing.
References in periodicals archive ?
The Company is currently focused on the Oil and Gas Industry and is marketing the following products in various sizes: Chevron-type Packing; Donut Rings; Cone Packing; Prolong Packing (developed by IRIB, this is a Chevron-type packing with "memory"); Ratigan-type Packing and Stripper Rubber.