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GB CDE 3P Drilling with Casing Connection

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CDE 3P – Casing Drilling Enhanced with GB 3P Thread


GB Casing Drilling Enhanced 3 Pitch, Large OD, Deep Stab. No Cross Thread Connection. Used for conventional running, rotating to aid in string advancement, drilling with casing/liners, or driving. Internal shoulder for heavier wall pipe.


  • Running Standard Large OD Downhole Casing Applications
  • Rotating To aid string advancement
  • Drilling with Casing / Drilling with Liners
  • Driving


Specialty semi-premium connection machined from heavy-wall coupling stock and forged blanks. The GB CDE 3P Connection performances exceed that of standard API connections. Connection designed with 3-Pitch threadform for easy-stabbing, fast makeup without cross-threading. Innovative, multiple taper thread design (box only) reduces localized bearing stresses in critical areas for improved fatigue resistance.

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.


  • 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 and dynamic applications.
  • Excellent make/break repeatability under field conditions.
  • Enhanced fatigue life.
  • Drive-able.
  • High Torque resistance.
  • Can be inspected with standard API Thread Gauges by any properly trained/experienced Third Party.
  • Positive makeup indication with pin nose engagement in center of connection.
  • Also has API Triangle Stamp on Pin for secondary makeup verification.
  • Innovative Multiple Taper Design reduces localized bearing stresses for enhanced fatigue resistance and reduced galling potential.


  • 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.

Running Procedures


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