Internal tieback connectors

Our internal tieback connector sets the industry standard for technology, reliability, and ease of use—in drilling or production.

Advantages include:

  • Strength designed to exceed riser pipe
  • Installed via weight and/or inner riser rotation
  • Resettable downhole
  • Metal-to-metal seal engages casing hanger
  • Exceptional fatigue resistance


External tieback connectors

With more than 125 assemblies delivered worldwide, the H4 connector family has over 20 years of proven field history in drilling and production operations.

Advantages include:

  • High preload drives exceptional fatigue resistance
  • Strength designed to exceed riser pipe
  • Metal-to-metal seal engages high-pressure housing
  • Hydraulically actuated
  • Redundant unlock mechanisms

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