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GB 3P

US Patent
5,015,017

Applications


Running  Standard Large OD Downhole Casing Applications

Rotating  To aid string advancement

Driving





Description


Specialty semi-premium connection machined from heavy-wall coupling stock and forged blanks. The GB 3P Connection performances exceed that of standard API connections. Connection designed with 3-Pitch threadform for easy-stabbing, fast makeup without cross-threading. Pin noses engage shoulders in the coupling center for positive indication of proper field makeup. Pin noses, designed for maximum bearing face area, provide high torque resistance.

GB 3P Connections

GB 3P (Original Design) – Designed for deep-stabbing,
no cross-threading, and quick makeup in 5 to 6 turns

Features

  • Uses GB 3P threads.
  • Easy-stabbing, fast makeup without cross-threading.
  • Meets API Coupling OD and Drift Diameter Specifications.
  • Field proven in a variety of static applications.
  • Can be rotated to aid string advancement to achieve target.
  • Excellent make/break repeatability under field conditions.
  • Can be inspected with standard API Thread Gauges by any properly trained/experienced Third Party (special setting standards required).
  • Makes up to an internal torque shoulder in 5 to 6 turns and has API triangle stamp for secondary make-up verification.
  • Positive makeup indication with pin nose/shoulder engagement in center of connection.
  • Heavy cross-section at center of coupling provides hoop stability for enhanced leak resistance and reduced jump-out potential.
  • High Torque resistance.
  • Drive-able.

Available

  • Casing sizes 16" OD to 20" OD.
  • All API Casing Grades and 16" OD through 20" OD Line Pipe; Grades X-56 and X-80.



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