Overview


Challenges
  • High unconfined compressive strength
  • Interbedded formation
  • High dog leg severity
  • Inconsistent build rates
Results
  • Increased ROP by 41%
  • Maintained steerability
Case study details

A customer drilling the Montney formation required large dog legs of 14° and was experiencing poor toolface control resulting in inconsistent build rates when drilling with competitor polycrystalline diamond compact (PDC) bits. The Baker Hughes Drill Bit team in Canada recommended a KymeraTM hybrid drill bit to reduce the drilling dysfunctions and achieve a consistent build rate through a section consisting of siltstone, shale and fine-grained sandstone. Although this early generation Kymera drill bit demonstrated improved toolface control, the Baker Hughes team was confident that additional performance gains were achievable with an optimized design.

 

 

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