Tie Back System

Tieback Seal Nipple

tieback seal nipple

Model No.: CT-TBN

Product No.: CT-91201

Tieback Seal Nipple provide a new casing string to cover intermediate casing worn by drilling or corrosion.

TBN provides protect a weak casing string from shut-in or excessive production pressure, or to isolate a leaking liner top. A typical tieback liner system of  Completion Oil Tools®  includes a Tieback Seal Nipple (CT-TBN), Orifice Float Collar (CT-OFC) and an existing Liner Polished Bore Receptacle (CT-PBR). The CT-TBN consists of a locator, seal mandrel, seals or seal units and a half mule shoe bottom. This assembly is made up to the tieback string and is landed into the existing CT-PBR.

  • Body threaded to match tieback liner/ casing connection.
  • Variety of seal materials available for compatibility with anticipated well conditions.
  • Mule shoe configuration aids in stabbing and facilitates re-entry with wire line equipment.
  • Cementing ports available to facilitate the cementing.
  • L80 & P110 material grade is standard other metallurgies available on request. 
  • Standard lengths are 10,15,20,25 ft.
  • Seal assembly can be used with conjunction of Liner Top tie back Packer.
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