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  • ChrisCo Bits Home
  • Products
    • PDC Bits
    • Tri-Cone Bits
      • Steel Tooth
      • Button (TCI)
      • Workover (Open Bearing)
    • Drag Bits
      • Claw Type
      • Step Drag Bit
      • Chevron Style Drag Bit
    • Hole Openers
      • Plate and Gusset
      • Series Body
    • Wipers
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      • Non-Mag
      • Integral Blade (IB)
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      • Directional
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      • Near Bits
      • Motor Stab
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      • CrossOver
      • Lifter
      • Saver Sub
      • Bit Sub
    • Collar and Pipe
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        • Table Breaker
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        • Motor Stab Breaker
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Steerable/Straight

ChrisCo

Home Steerable/Straight

Steerable/Straight

Steerable/Straight
With a steerable drilling system, penetration rates are improved because there are no stationary components to create friction that reduces efficiency and anchors the BHA in the hole. Flow of drilled cuttings past the BHA is enhanced because annular bottlenecks are not created in the wellbore.
What is the purpose of a Straight Blade Stabilizer

A Straight Blade Stab is utilized for sliding, when the drill string is not turning, only the bit at the end of the motor has rotation.

What are Stabilizers for, and how does their gauge affect the string ?

Stabs are used to stiffen the BHA, preventing wobbling down hole. The more full the gauge the more the string will not move, or bend. Full gauge tools are not used in directional work for this reason. The underaged stabs are used to minimize wobble in the string , while still offering flexibility to make a curve.

What is the purpose of a Partial Wrap Stabilizer

A spirial bladed stab is designed to stiffen the BHA while the string is rotating.

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