BlueDock® Connector


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Double shoulder provides more than 100% compression, efficiency, high over-torque capacity and enhanced fatigue response.
Proprietary hooked thread profile design provides fully reliable structural capacity under extreme loads and extra fatigue resistance.
High thread taper makes stabbing deeper and easier. The multiple start and low TPI design with self-alignment guides allows fast, trouble-free make-up, requiring only 3/4 of a turn to final make-up.
Metal-to-metal seal in sizes up to 22”. Pre-installed elastomeric seal in sizes from 20” to 36”.

The TenarisHydril BlueDock® connector incorporates design concepts from the extensively tested TenarisHydril Blue® Series premium connections and provides reliable performance in the most complex ultra-deepwater operations.

This product has undergone sealability tests based on API RP 5C5 standard, and has been successfully used by major oil and gas operators working in extremely demanding environments.

The TenarisHydril BlueDock® connector is an integrated solution based on Tenaris’s experience in pipe manufacturing, premium connection design and welding technology. The company manufactures the pipe and the connector under the same quality management system and can supply it as part of a more extensive casing and tubing package for offshore wells.

This complete solution is backed by Tenaris's global service network providing technical assistance, product testing, pipe management and technical support in the field.


  • Available in sizes from 18" to 42".
  • Primary Seal Metal-to-Metal (up to 24") or Elastomeric (pre-installed, up to 42"). Optional Secondary Elastomeric Seal.
  • Gas and water sealability verified by full-scale testing on 95% pipe body VME according to the API RP 5C5 CAL I protocol.
  • Up to three anti-rotational keys that prevent buck-off and provide additional support to torque retention.
  • High fatigue performance under bending and/or tension/compression cycling loads given by maximized radii and avoidance of stress-risers.
  • Dope pockets to avoid excessive dope pressure.


  • External Flush
  • Sea Water Exclusion Seal


  • HP/HT & Deep Wells
  • Deepwater
  • Shallow Water
  • Conductor and surface casing


  • Metal-to-metal seal in sizes up to 24”
  • Pre-installed elastomeric seal in sizes from 18” to 42"
  • Optional sea water exclusion seal in sizes from 18” to 42"
  • Full Fatigue option, manufactured with state-of-the-art technologies to optimize fatigue service, supported by extensive full-scale testing.

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