Underreamer Block with Conical Diamond Elements - Concept, Design, Optimization, and Field Tests | SLB
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Underreamer Block with Conical Diamond Elements

Published: 09/26/2018

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Schlumberger Oilfield Services

  • History of Underreamer Blocks and Problem Description
  • Conical Diamond Elements in Underreamer Blocks
  • Complementary Design Features 4D Simulation Software Introduction
  • 4D Simulation and Design Approach
  • Vibration and Drilling Efficiency Lab Testing
  • 18.125-in × 22-in HEWD Job and 4D Simulation Study
  • 12.25-in × 14.75-in URO Job
  • 8.5-in × 9.0-in HEWD Job
  • Conclusion

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