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Threaded Connections

BEN-FJ™

Integral, Flush Joint, Premium, Refrac Liner, Injection String, Special Clearance, Coatable

The BEN‑FJ is a true flush joint connection purpose‑built for recompletions, tiebacks and remediation strings. Its flush outside diameter eliminates clearance issues without compromising structural integrity or gas‑tight sealability. The connection includes internal metal‑to‑metal sealing and internal/external shoulders for torque capacity.

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Performance & Sizes

Size range2.375″ – 5.500″
Tension efficiency62 %–65 %
Compression efficiency62 %–65 %

Testing Performed

  • API RP 5C5 / ISO 13679 CAL II Modified
  • Frac Cycle
  • Sealibility
  • Limit Load
  • Finite Element Analysis
  • Field Proven

Key Features

  • Internal metal‑to‑metal seal optimized and proven to be 100 % gas tight.
  • True flush outside diameter provides maximum clearance for tight tolerances.
  • Internal and external shoulders provide high-torque and consistent running operations.
  • Flush inside diameter with mating internal shoulders provides minimal turbulence and eliminates J‑area.