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GB WSE 3P and GB HBE 3P Drilling with Casing Connection

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GB WSE 3P – Wear Sleeve Enhanced with GB 3P Thread | GB HBE 3P - Hardbanded Enhanced with GB 3P Thread


GB Casing Drilling Wear Sleeve/Hard Band is an integral sacrificial sleeve on the leading edge and critical areas on the GB CDE 3P connection to minimize wear during drilling operations. In more abrasive environments the sleeve can also be hard faced.


  • 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. Like the GB CDE 3P, both the GB WSE 3P and GB HBE 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.

GB WSE 3P has integral, sacrificial wear sleeve to protect the leading edge and critical areas of the connection that commonly wear during drilling operations. For the most abrasive environments the wear sleeve can be furnished with hard-facing (GB HBE 3P).


  • Uses API BTC Pin Threads (Slightly Modified).
  • Tighter diametric tolerances for enhanced performance.
  • Meets API Coupling OD and Drift Diameter Specifications.
  • Inter-changeable with API BTC accessories.
  • Field proven in a variety of static and dynamic applications.
  • Enhanced fatigue life.
  • Excellent make/break repeatability under field conditions.
  • Drive-able.
  • Integral Sacrificial Wear Sleeve on Leading Edge.
  • High Torque resistance.
  • Full Scale laboratory cyclic tests demonstrate enhanced fatigue life.
  • 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.
  • Heavy cross-section at center of coupling provides hoop stability for enhanced leak resistance and reduced jump-out potential.


  • Casing sizes 4 1/2″ OD to 20″ OD (lighter walls).
  • All standard casing grades up to Q-125.

Hard Binding Options

  • Tesco Fusion-clad

Running Procedures


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