Pack off Nipple - DEW GmbH

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Pack off Nipple

The Pack off Nipple is located between the Liner Hanger and the Liner Top Packer. Its functional task is to provide housing for the retrievable and drillable inner sealing element (Pack off Bushing) and to ensure an optimal sealing.

For the retrievable variant, a locking profile for the Pack off Bushing and a high surface finish for the seal are integrated in the Pack off Nipple. For the (PDC) drillable variant a special Pack off Bushing was designed, which is able to be installed directly in the Pack off Nipple with anti rotating features.
Features/Benefits:
  • The seal area for the Pack off Bushing is located in the Pack off Nipple
  • Box x box premium threads to connect Liner Hanger and XTS Packer
  • Drillable Pack off Bushing reduces redress and assembly time
  • Centralization of the Liner because of special guiding ridges
  • Flowing channels provide a better flow characteristics
 
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