Seal Sub - DEW GmbH
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Seal Sub
The Seal Sub is a
bushing construction to seal the annulus between the Liner system and the
Tubing string. To provide this sealing the seal components consist of multiple
o-rings or compact in chevron type packing, depending on well specifications.
It is run in the shoe track of the Liner system e.g. when bottom hole circulation
with a slotted inner string is required.
Features/Benefits:
- Protects the tool in run in hole operation
- PDC drillable elements
- To be run with inner string and screen or slotted liner to provide circulation at the bottom hole